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Delphi-OpenCV/samples/MultiDemo/CarNumDetect/CarNumDetect.dpr
Laentir Valetov fe2351f5da Fixed memory leak on cvFindContours 
Signed-off-by: Laentir Valetov <laex@bk.ru>
2014-10-06 23:26:18 +04:00

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ObjectPascal
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//*****************************************************************
// Delphi-OpenCV Demo
// Copyright (C) 2013 Project Delphi-OpenCV
// ****************************************************************
// Contributor:
// Mikhail Grigorev
// email: sleuthhound@gmail.com
// ****************************************************************
// You may retrieve the latest version of this file at the GitHub,
// located at git://github.com/Laex/Delphi-OpenCV.git
// ****************************************************************
// The contents of this file are used with permission, subject to
// the Mozilla Public License Version 1.1 (the "License"); you may
// not use this file except in compliance with the License. You may
// obtain a copy of the License at
// http://www.mozilla.org/MPL/MPL-1_1Final.html
//
// Software distributed under the License is distributed on an
// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
// implied. See the License for the specific language governing
// rights and limitations under the License.
//*******************************************************************
program CarNumDetect;
{$APPTYPE CONSOLE}
{$POINTERMATH ON}
{$R *.res}
uses
System.SysUtils,
System.Math,
System.IniFiles,
ocv.highgui_c,
ocv.core_c,
ocv.core.types_c,
ocv.imgproc_c,
ocv.imgproc.types_c,
uResourcePaths;
const
filename_ini = 'carnumdetect.ini';
WindowNameOriginal = 'Original Car in Gray Scale';
WindowNameThreshold = 'Threshold Car Image';
WindowNameCarsNumber = 'Cars Number Detect';
WindowNamePlateNum = 'Plate Number';
Radius = 1;
type
pCtx = ^TCtx;
ArrCvRect = Array of TCvRect;
ArrCvBox2D = Array of TCvBox2D;
ArrDouble = Array of Double;
TCtx = record
MyCapture: pCvCapture; // Capture handle
MyWriter: pCvVideoWriter; // Writer handle
MyInputImage: pIplImage; // Input image
MyOrigColorImage: pIplImage; // Original Color Image
MyThresholdImage: pIplImage; // Threshold Image
MyPlateNumberImage: pIplImage; // PlateNumber Image
MyStorage: pCvMemStorage; // Memory storage
MyCvRect: ArrCvRect;
MyCvBox2D: ArrCvBox2D;
MyArea: ArrDouble;
end;
var
MyCtx: pCtx;
Key, SourceCapture, VideoCamNum, RotateImageAngle: Integer;
BinarizationMethod, WriteVideoCaptureToFile, AdaptiveThresholdBlockSize: Integer;
Threshold, ThresholdMaxValue: Integer;
ImageFileCapture, VideoFileCapture, WriteVideoCaptureFileDir: AnsiString;
WriteVideoFileName: AnsiString;
MinRatio, MaxRatio, MinFillArea, VideoCamWidth, VideoCamHeight: Double;
MinArea, MaxArea, MinFullArea, MaxFullArea: Integer;
EnableErode, EnableDilate: Integer;
procedure PlateNumber(const Ctx: pCtx; Rect: TCvRect);
var
Sub_Image: pIplImage;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
Sub_Image := cvCreateImage(cvGetSize(Ctx.MyOrigColorImage), Ctx.MyOrigColorImage.depth, Ctx.MyOrigColorImage.nChannels);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
cvCopy(Ctx.MyOrigColorImage, Sub_Image, nil);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvSetImageROI(Sub_Image, Rect);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Ctx.MyPlateNumberImage := cvCreateImage(cvGetSize(Sub_Image), IPL_DEPTH_8U, 1);
cvConvertImage(Sub_Image, Ctx.MyPlateNumberImage, CV_BGR2BGRA);
cvReleaseImage(Sub_Image);
cvThreshold(Ctx.MyPlateNumberImage, Ctx.MyPlateNumberImage, Threshold, ThresholdMaxValue, CV_THRESH_BINARY or CV_THRESH_OTSU);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//cvDilate(Ctx.MyPlateNumberImage, Ctx.MyPlateNumberImage, nil, 1);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//cvErode(Ctx.MyPlateNumberImage, Ctx.MyPlateNumberImage, nil, 1);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//cvCanny(Ctx.MyPlateNumberImage, Ctx.MyPlateNumberImage, 100, 50, 3);
end;
procedure FindBox(const Ctx: pCtx; min_ratio, max_ratio: Double; min_area, max_area, MinFullArea, MaxFullArea: Integer;
MinFillArea: Double);
var
c, contours: pCvContour;
box: TCvBox2D;
rect: TCvRect;
ratio, contourarea: Double;
area: single;
begin
contours := nil;
c := nil;
contours := AllocMem(SizeOf(TCvContour));
c := AllocMem(SizeOf(TCvContour));
cvClearMemStorage(Ctx.MyStorage);
cvFindContours(Ctx.MyThresholdImage, Ctx.MyStorage, @contours, SizeOf(TCvContour), CV_RETR_LIST, CV_CHAIN_APPROX_NONE,
cvPoint(0, 0));
if contours <> nil then
begin
c := contours;
while (c <> nil) do
begin
{ cvMinAreaRect2 <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
points <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
storage <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> cvMinAreaRect2 <20><> cvBoundingRect <20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
cvMinAreaRect2 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> CvBox2D, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> angle.
}
box := cvMinAreaRect2(c);
area := box.size.width * box.size.height;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
if area > 0 then
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if box.size.width > box.size.height then
begin
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (area > min_area) and (area < max_area) then
begin
ratio := IfThen(box.size.width < box.size.height, box.size.width / box.size.height,
box.size.height / box.size.width);
{$IFDEF DEBUG}
{if box.size.width > box.size.height then
begin
WriteLn(Format('[d1] Rect size: height=%s, width=%s', [FloatToStr(box.size.height), FloatToStr(box.size.width)]));
WriteLn(Format('[d1] Ratio: %s', [FloatToStr(IfThen(box.size.width < box.size.height, box.size.width/box.size.height, box.size.height/box.size.width))]));
WriteLn(Format('[d1] Full Contour Area: %s', [FloatToStr(abs(cvContourArea(c, CV_WHOLE_SEQ)))]));
WriteLn(Format('[d1] Contour Area: %s', [FloatToStr(abs(cvContourArea(c, CV_WHOLE_SEQ))/(area))]));
WriteLn('------------------------- ');
}cvRectangle(Ctx.MyOrigColorImage, cvPoint(Round(box.center.x-box.size.width/2),Round(box.center.y-box.size.height/2)), cvPoint(Round(box.center.x+box.size.width/2),Round(box.center.y+box.size.height/2)), CV_RGB(0,255,255), 2);
//end;
{$ENDIF}
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (ratio > min_ratio) and (ratio < max_ratio) then
begin
{$IFDEF DEBUG}
//WriteLn(Format('[d2] Ratio: %s', [FloatToStr(IfThen(box.size.width < box.size.height, box.size.width/box.size.height, box.size.height/box.size.width))]));
//WriteLn('------------------------- ');
cvRectangle(Ctx.MyOrigColorImage, cvPoint(Round(box.center.x-box.size.width/2),Round(box.center.y-box.size.height/2)), cvPoint(Round(box.center.x+box.size.width/2),Round(box.center.y+box.size.height/2)), CV_RGB(0,255,255), 2);
{$ENDIF}
{ cvContourArea <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
contour <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
slice <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><>-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
}
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
contourarea := cvContourArea(c, CV_WHOLE_SEQ);
if (abs(contourarea) > MinFullArea) and (abs(contourarea) < MaxFullArea) then
begin
{$IFDEF DEBUG}
//WriteLn(Format('[d3] Ratio: %s', [FloatToStr(IfThen(box.size.width < box.size.height, box.size.width/box.size.height, box.size.height/box.size.width))]));
//WriteLn(Format('[d3] Full Contour Area: %s', [FloatToStr(abs(contourarea))]));
//WriteLn('------------------------- ');
cvRectangle(Ctx.MyOrigColorImage, cvPoint(Round(box.center.x-box.size.width/2),Round(box.center.y-box.size.height/2)), cvPoint(Round(box.center.x+box.size.width/2),Round(box.center.y+box.size.height/2)), CV_RGB(255,0,0), 2);
{$ENDIF}
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if abs(contourarea) / (area) > MinFillArea then
begin
WriteLn(Format('[i] Rect size: height=%s, width=%s', [FloatToStr(box.size.height),
FloatToStr(box.size.width)]));
WriteLn(Format('[i] Ratio: %s', [FloatToStr(ratio)]));
WriteLn(Format('[i] Full Contour Area: %s', [FloatToStr(abs(contourarea))]));
WriteLn(Format('[i] Contour Area: %s', [FloatToStr(abs(contourarea) / (area))]));
WriteLn('------------------------- ');
// SetLength(Ctx.MyCvBox2D, length(Ctx.MyCvBox2D)+1);
// Ctx.MyCvBox2D[length(Ctx.MyCvBox2D)+1] := box;
// SetLength(Ctx.MyArea, length(Ctx.MyArea)+1);
// Ctx.MyArea[length(Ctx.MyArea)+1] := cvContourArea(c, CV_WHOLE_SEQ);
// cvRectangle(Ctx.MyOrigColorImage, cvPoint(Round(box.center.x-box.size.width/2),Round(box.center.y-box.size.height/2)), cvPoint(Round(box.center.x+box.size.width/2),Round(box.center.y+box.size.height/2)), CV_RGB(255,255,0), 2);
{ cvBoundingRect <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
points <20> <20><><EFBFBD><EFBFBD><EFBFBD> 2D-<2D><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (CvMat) <20><><EFBFBD><EFBFBD><EFBFBD>
update <20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
0 (CvContour) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> rect <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
1 (CvContour) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD> rect <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
0 (CvSeq <20><><EFBFBD> CvMat) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
1 (CvSeq <20><><EFBFBD> CvMat) <20> ! <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>).
}
rect := cvBoundingRect(c);
PlateNumber(Ctx, rect);
// SetLength(Ctx.MyCvRect, Length(Ctx.MyCvRect)+1);
// Ctx.MyCvRect[Length(Ctx.MyCvRect)+1] := rect;
cvRectangle(Ctx.MyOrigColorImage, cvPoint(rect.x, rect.y),
cvPoint(rect.x + rect.width, rect.y + rect.height), CV_RGB(255, 255, 0), 2);
end;
end;
end;
end;
end;
end;
c := c.h_next;
end;
c := nil;
FreeMem(c, SizeOf(TCvContour));
end;
contours := nil;
FreeMem(contours, SizeOf(TCvContour));
cvClearMemStorage(Ctx.MyStorage);
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
procedure RotateImage(var image: pIplImage; angle: Double = 90);
var
rot_mat: pCvMat;
scale: Double;
temp: pIplImage;
center: TcvPoint2D32f;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
rot_mat := cvCreateMat(2, 3, CV_32FC1);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
center.x := image.width div 2;
center.y := image.height div 2;
scale := 1;
cv2DRotationMatrix(center, angle, scale, rot_mat);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
temp := nil;
temp := cvCreateImage(cvSize(image.width, image.height), image.depth, image.nChannels);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvWarpAffine(image, temp, rot_mat, CV_INTER_LINEAR or CV_WARP_FILL_OUTLIERS, cvScalarAll(0));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvCopy(temp, image);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvReleaseImage(temp);
cvReleaseMat(rot_mat);
end;
procedure InitImageCapture(const Ctx: pCtx);
begin
if FileExists(ImageFileCapture) then
begin
Ctx.MyInputImage := cvLoadImage(pAnsiChar(ImageFileCapture), CV_LOAD_IMAGE_GRAYSCALE);
Ctx.MyOrigColorImage := cvLoadImage(pAnsiChar(ImageFileCapture));
Ctx.MyThresholdImage := cvCreateImage(cvSize(Ctx.MyInputImage^.width, Ctx.MyInputImage^.height), IPL_DEPTH_8U, 1);
WriteLn('[i] Start image capture ' + ImageFileCapture);
end
else
begin
WriteLn('[i] Error reading the image file ' + ImageFileCapture);
Halt;
end;
end;
procedure InitVideoCapture(const Ctx: pCtx);
var
width: Double;
height: Double;
fps: Double;
begin
if SourceCapture = 0 then // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Ctx.MyCapture := cvCreateCameraCapture(VideoCamNum)
else if SourceCapture = 2 then // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
begin
if FileExists(VideoFileCapture) then
begin
Ctx.MyCapture := cvCreateFileCapture(pAnsiChar(VideoFileCapture));
WriteVideoCaptureToFile := 0;
end
else
begin
WriteLn('[i] Error reading the video file ' + VideoFileCapture);
Halt;
end;
end;
if not Assigned(Ctx.MyCapture) then
begin
WriteLn('[i] Error initializing video capture.');
Halt;
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
if (VideoCamWidth <> 0.0) or (VideoCamHeight <> 0.0) then
begin
cvSetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_WIDTH, VideoCamWidth);
cvSetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_HEIGHT, VideoCamHeight);
cvSetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FPS, 25.0);
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>c<EFBFBD><63> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
fps := cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FPS);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
width := cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_WIDTH);
height := cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_HEIGHT);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Ctx.MyOrigColorImage := cvCreateImage(cvSize(Round(width), Round(height)), IPL_DEPTH_8U, 1);
Ctx.MyOrigColorImage := cvQueryFrame(Ctx.MyCapture);
WriteLn('[i] Start video capture.');
WriteLn(Format('[i] VideoCapture size: %.0f x %.0f', [width, height]));
WriteLn(Format('[i] VideoCapture FPS: %.0f', [fps]));
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Ctx.MyInputImage := cvCreateImage(cvSize(Ctx.MyOrigColorImage^.width, Ctx.MyOrigColorImage^.height), IPL_DEPTH_8U, 1);
Ctx.MyThresholdImage := cvCreateImage(cvSize(Ctx.MyOrigColorImage^.width, Ctx.MyOrigColorImage^.height),
IPL_DEPTH_8U, 1);
end;
procedure InitVideoWriter(const Ctx: pCtx);
var
size: TCvSize;
fps: Double;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
size := cvSize(Trunc(cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_WIDTH)),
Trunc(cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FRAME_HEIGHT)));
fps := 10; // cvGetCaptureProperty(Ctx.MyCapture, CV_CAP_PROP_FPS);
WriteLn(Format('[i] VideoWriter size: %d x %d', [size.width, size.height]));
WriteLn(Format('[i] VideoWriter FPS: %.0f', [fps]));
WriteVideoFileName := IncludeTrailingPathDelimiter(WriteVideoCaptureFileDir) + FormatDateTime('ddmmyyyyhhmmss',
Now) + '.avi';
WriteLn(Format('[i] VideoWriter filename: %s', [WriteVideoFileName]));
Ctx.MyWriter := cvCreateVideoWriter(pAnsiChar(WriteVideoFileName), CV_FOURCC('X', 'V', 'I', 'D'), fps, size, 1);
end;
procedure ImageFilterAndThreshold(const Ctx: pCtx);
var
Kern: pIplConvKernel;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
// max_value = 255 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> CV_THRESH_BINARY <20> CV_THRESH_BINARY_INV
// adaptive_method = CV_ADAPTIVE_THRESH_MEAN_C - <20><><EFBFBD><EFBFBD><EFBFBD> CV_ADAPTIVE_THRESH_MEAN_C <20><><EFBFBD> CV_ADAPTIVE_THRESH_GAUSSIAN_C
// threshold_type = CV_THRESH_BINARY <20><><EFBFBD> CV_THRESH_BINARY_INV
// block_size = 15 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
// param1 = 0 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD> CV_ADAPTIVE_THRESH_MEAN_C <20> CV_ADAPTIVE_THRESH_GAUSSIAN_C <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
if BinarizationMethod = 0 then
cvAdaptiveThreshold(Ctx.MyInputImage, Ctx.MyThresholdImage, ThresholdMaxValue, CV_ADAPTIVE_THRESH_MEAN_C,
CV_THRESH_BINARY, AdaptiveThresholdBlockSize, 0)
else
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
cvThreshold(Ctx.MyInputImage, Ctx.MyThresholdImage, Threshold, ThresholdMaxValue, CV_THRESH_BINARY_INV);
Kern := cvCreateStructuringElementEx(Radius * 2 + 1, Radius * 2 + 1, Radius, Radius, CV_SHAPE_RECT);
if EnableErode = 1 then
cvErode(Ctx.MyThresholdImage, Ctx.MyThresholdImage, Kern, 1); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if EnableDilate = 1 then
cvDilate(Ctx.MyThresholdImage, Ctx.MyThresholdImage, Kern, 1); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
procedure VideoFilterAndThreshold(const Ctx: pCtx);
var
Kern: pIplConvKernel;
begin
cvCvtColor(Ctx.MyOrigColorImage, Ctx.MyInputImage, CV_BGR2GRAY);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
// max_value = 255 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> CV_THRESH_BINARY <20> CV_THRESH_BINARY_INV
// adaptive_method = CV_ADAPTIVE_THRESH_MEAN_C - <20><><EFBFBD><EFBFBD><EFBFBD> CV_ADAPTIVE_THRESH_MEAN_C <20><><EFBFBD> CV_ADAPTIVE_THRESH_GAUSSIAN_C
// threshold_type = CV_THRESH_BINARY <20><><EFBFBD> CV_THRESH_BINARY_INV
// block_size = 15 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
// param1 = 0 - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>. <20><><EFBFBD> CV_ADAPTIVE_THRESH_MEAN_C <20> CV_ADAPTIVE_THRESH_GAUSSIAN_C <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
if BinarizationMethod = 0 then
cvAdaptiveThreshold(Ctx.MyInputImage, Ctx.MyThresholdImage, ThresholdMaxValue, CV_ADAPTIVE_THRESH_MEAN_C,
CV_THRESH_BINARY, AdaptiveThresholdBlockSize, 0)
else
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
cvThreshold(Ctx.MyInputImage, Ctx.MyThresholdImage, Threshold, ThresholdMaxValue, CV_THRESH_BINARY_INV);
Kern := cvCreateStructuringElementEx(Radius * 2 + 1, Radius * 2 + 1, Radius, Radius, CV_SHAPE_RECT);
if EnableErode = 1 then
cvErode(Ctx.MyThresholdImage, Ctx.MyThresholdImage, Kern, 1); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if EnableDilate = 1 then
cvDilate(Ctx.MyThresholdImage, Ctx.MyThresholdImage, Kern, 1); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
procedure InitCtx(const Ctx: pCtx);
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Ctx.MyStorage := cvCreateMemStorage(0);
end;
procedure ClearRes(const Ctx: pCtx);
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if SourceCapture = 0 then
begin
if Assigned(Ctx.MyCapture) then
cvReleaseCapture(Ctx.MyCapture);
if Assigned(Ctx.MyWriter) then
cvReleaseVideoWriter(Ctx.MyWriter);
end;
cvReleaseImage(Ctx.MyInputImage);
cvReleaseImage(Ctx.MyThresholdImage);
if Assigned(Ctx.MyPlateNumberImage) then
cvReleaseImage(Ctx.MyPlateNumberImage);
cvReleaseMemStorage(Ctx.MyStorage);
cvDestroyAllWindows();
end;
procedure InitWindows(const Ctx: pCtx);
begin
if SourceCapture = 1 then
cvNamedWindow(WindowNameOriginal, CV_WINDOW_AUTOSIZE);
cvNamedWindow(WindowNameThreshold, CV_WINDOW_AUTOSIZE);
cvNamedWindow(WindowNameCarsNumber, CV_WINDOW_AUTOSIZE);
cvNamedWindow(WindowNamePlateNum, CV_WINDOW_AUTOSIZE);
// <20><><EFBFBD><EFBFBD><EFBFBD>c<EFBFBD><63><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> c<><63><EFBFBD><EFBFBD>
if (Ctx.MyInputImage.width < 1920 / 4) and (Ctx.MyInputImage.height < 1080 / 2) then
begin
if SourceCapture = 1 then
begin
cvMoveWindow(WindowNameOriginal, 0, 0);
cvMoveWindow(WindowNameThreshold, Ctx.MyInputImage.width + 10, 0);
cvMoveWindow(WindowNameCarsNumber, 0, Ctx.MyInputImage.height + 35);
end
else
begin
cvMoveWindow(WindowNameThreshold, 0, 0);
cvMoveWindow(WindowNameCarsNumber, Ctx.MyInputImage.width + 10, 0);
end;
end;
end;
procedure ShowWindow(const Ctx: pCtx);
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if RotateImageAngle > 0 then
begin
RotateImage(MyCtx.MyOrigColorImage, RotateImageAngle);
RotateImage(MyCtx.MyThresholdImage, RotateImageAngle);
if SourceCapture = 1 then
RotateImage(MyCtx.MyInputImage, RotateImageAngle);
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if SourceCapture = 1 then
cvShowImage(WindowNameOriginal, MyCtx.MyInputImage);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvShowImage(WindowNameThreshold, MyCtx.MyThresholdImage);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>c<EFBFBD>
cvShowImage(WindowNameCarsNumber, MyCtx.MyOrigColorImage);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
cvShowImage(WindowNamePlateNum, Ctx.MyPlateNumberImage);
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
procedure InitSettings(inipath: WideString);
var
fullininame: WideString;
INI: TIniFile;
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if not DirectoryExists(inipath) then
begin
try
CreateDir(inipath);
except
on e: Exception do
WriteLn('Exception in procedure InitSettings: Unable to create directory ' + inipath);
end;
end;
fullininame := inipath + filename_ini;
if FileExists(fullininame) then
begin
INI := TIniFile.Create(fullininame);
try
// 0 - VideoCam, 1 - ImageFile, 2 - VideoFile
SourceCapture := INI.ReadInteger('Main', 'SourceCapture', 0);
VideoCamNum := INI.ReadInteger('Main', 'VideoCamNum', 0);
VideoCamWidth := INI.ReadFloat('Main', 'VideoCamWidth', 0.0);
VideoCamHeight := INI.ReadFloat('Main', 'VideoCamWidth', 0.0);
ImageFileCapture := INI.ReadString('Main', 'ImageFileCapture', 'Resource\CarNom1.jpg');
VideoFileCapture := INI.ReadString('Main', 'VideoFileCapture', 'Resource\CarNom.avi');
RotateImageAngle := INI.ReadInteger('Main', 'RotateImageAngle', 0);
WriteVideoCaptureToFile := INI.ReadInteger('Main', 'WriteVideoCaptureToFile', 0);
WriteVideoCaptureFileDir := INI.ReadString('Main', 'WriteVideoCaptureFileDir', ExtractFilePath(ParamStr(0)));
if WriteVideoCaptureFileDir = '' then
WriteVideoCaptureFileDir := ExtractFilePath(ParamStr(0));
// 0 - cvAdaptiveThreshold, 1 - cvThreshold
BinarizationMethod := INI.ReadInteger('Main', 'BinarizationMethod', 0);
AdaptiveThresholdBlockSize := INI.ReadInteger('Main', 'AdaptiveThresholdBlockSize', 15);
Threshold := INI.ReadInteger('Main', 'Threshold', 128);
ThresholdMaxValue := INI.ReadInteger('Main', 'ThresholdMaxValue', 255);
MinRatio := INI.ReadFloat('Main', 'MinRatio', 0.15);
MaxRatio := INI.ReadFloat('Main', 'MaxRatio', 0.5);
MinArea := INI.ReadInteger('Main', 'MinArea', 500);
MaxArea := INI.ReadInteger('Main', 'MaxArea', 25000);
MinFullArea := INI.ReadInteger('Main', 'MinFullArea', 800);
MaxFullArea := INI.ReadInteger('Main', 'MaxFullArea', 7000);
MinFillArea := INI.ReadFloat('Main', 'MinFillArea', 0.7);
EnableErode := INI.ReadInteger('Main', 'EnableErode', 1);
EnableDilate := INI.ReadInteger('Main', 'EnableDilate', 1);
finally
INI.Free;
end;
end
else
begin
INI := TIniFile.Create(fullininame);
try
SourceCapture := 0;
VideoCamNum := 0;
VideoCamWidth := 0.0;
VideoCamHeight := 0.0;
ImageFileCapture := 'Resource\CarNom1.jpg';
VideoFileCapture := 'Resource\CarNom.avi';
WriteVideoCaptureFileDir := ExtractFilePath(ParamStr(0));
RotateImageAngle := 0;
WriteVideoCaptureToFile := 0;
BinarizationMethod := 0;
AdaptiveThresholdBlockSize := 15;
Threshold := 128;
ThresholdMaxValue := 255;
MinRatio := 0.15;
MaxRatio := 0.5;
MinArea := 500;
MaxArea := 25000;
MinFullArea := 800;
MaxFullArea := 7000;
MinFillArea := 0.7;
EnableErode := 1;
EnableDilate := 1;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
INI.WriteInteger('Main', 'SourceCapture', SourceCapture);
INI.WriteInteger('Main', 'VideoCamNum', VideoCamNum);
INI.WriteFloat('Main', 'VideoCamWidth', VideoCamWidth);
INI.WriteFloat('Main', 'VideoCamWidth', VideoCamHeight);
INI.WriteString('Main', 'ImageFileCapture', ImageFileCapture);
INI.WriteString('Main', 'VideoFileCapture', VideoFileCapture);
INI.WriteInteger('Main', 'RotateImageAngle', RotateImageAngle);
INI.WriteInteger('Main', 'WriteVideoCaptureToFile', WriteVideoCaptureToFile);
INI.WriteString('Main', 'WriteVideoCaptureFileDir', WriteVideoCaptureFileDir);
INI.WriteInteger('Main', 'BinarizationMethod', BinarizationMethod);
INI.WriteInteger('Main', 'AdaptiveThresholdBlockSize', AdaptiveThresholdBlockSize);
INI.WriteInteger('Main', 'Threshold', Threshold);
INI.WriteInteger('Main', 'ThresholdMaxValue', ThresholdMaxValue);
INI.WriteFloat('Main', 'MinRatio', MinRatio);
INI.WriteFloat('Main', 'MaxRatio', MaxRatio);
INI.WriteInteger('Main', 'MinArea', MinArea);
INI.WriteInteger('Main', 'MaxArea', MaxArea);
INI.WriteInteger('Main', 'MinFullArea', MinFullArea);
INI.WriteInteger('Main', 'MaxFullArea', MaxFullArea);
INI.WriteFloat('Main', 'MinFillArea', MinFillArea);
INI.WriteInteger('Main', 'EnableErode', EnableErode);
INI.WriteInteger('Main', 'EnableDilate', EnableDilate);
finally
INI.Free;
end;
end;
end;
begin
try
MyCtx := AllocMem(SizeOf(TCtx));
InitSettings(IncludeTrailingPathDelimiter(ExtractFilePath(ParamStr(0))));
InitCtx(MyCtx);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if SourceCapture = 1 then
begin
InitImageCapture(MyCtx);
InitWindows(MyCtx);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ImageFilterAndThreshold(MyCtx);
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 0.15 <20> 0.5 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 500 <20> 25000 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 800 <20> 7000 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>.
// 0.7 - <20><><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
FindBox(MyCtx, MinRatio, MaxRatio, MinArea, MaxArea, MinFullArea, MaxFullArea, MinFillArea);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ShowWindow(MyCtx);
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvWaitKey(0);
end
else // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
begin
InitVideoCapture(MyCtx);
InitWindows(MyCtx);
if WriteVideoCaptureToFile = 1 then
InitVideoWriter(MyCtx);
while true do
begin
MyCtx.MyOrigColorImage := cvQueryFrame(MyCtx.MyCapture);
if MyCtx.MyOrigColorImage = nil then
Break;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
VideoFilterAndThreshold(MyCtx);
// <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 0.15 <20> 0.5 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 500 <20> 25000 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 800 <20> 7000 - <20><><EFBFBD>. <20> <20><><EFBFBD><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 0.7 - <20><><EFBFBD>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
FindBox(MyCtx, MinRatio, MaxRatio, MinArea, MaxArea, MinFullArea, MaxFullArea, MinFillArea);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ShowWindow(MyCtx);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
if Assigned(MyCtx.MyWriter) then
cvWriteFrame(MyCtx.MyWriter, MyCtx.MyOrigColorImage);
Key := cvWaitKey(33);
if (Key = 27) then
Break;
end;
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ClearRes(MyCtx);
FreeMem(MyCtx, SizeOf(TCtx));
except
on e: Exception do
WriteLn(e.ClassName, ': ', e.Message);
end;
end.
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