mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 16:25:53 +01:00
ba000c1405
LibTest [+] cv_CalcOpticalFlowPyrLK [+] cv_SnakeImage MultiDemo [+] CameraShift [+] Squares Signed-off-by: Laex <laex@bk.ru>
60 lines
1.9 KiB
ObjectPascal
60 lines
1.9 KiB
ObjectPascal
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
|
|
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
|
|
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
|
|
program cv_FindContours;
|
|
|
|
{$APPTYPE CONSOLE}
|
|
{$R *.res}
|
|
|
|
uses
|
|
System.SysUtils,
|
|
{$I ..\..\uses_include.inc}
|
|
;
|
|
|
|
Const
|
|
filename = 'Resource\opencv_logo_with_text_sm.png';
|
|
|
|
Var
|
|
image: pIplImage = nil;
|
|
dst: pIplImage = nil;
|
|
img_gray: pIplImage = Nil;
|
|
contours: pCvSeq=nil;
|
|
storage: pCvMemStorage = nil;
|
|
|
|
begin
|
|
try
|
|
// ïîëó÷àåì êàðòèíêó
|
|
image := cvLoadImage(filename, CV_LOAD_IMAGE_UNCHANGED);
|
|
if Assigned(image) then
|
|
begin
|
|
cvNamedWindow('Source image', CV_WINDOW_AUTOSIZE);
|
|
cvNamedWindow('Gray image', CV_WINDOW_AUTOSIZE);
|
|
cvNamedWindow('Threshold image', CV_WINDOW_AUTOSIZE);
|
|
cvNamedWindow('Contour image', CV_WINDOW_AUTOSIZE);
|
|
cvShowImage('Source image', image);
|
|
// Ñîçäàåì èçîáðàæåíèå â ãðàäàöèÿõ ñåðîãî
|
|
img_gray := cvCreateImage(cvSize(image^.width, image^.height), IPL_DEPTH_8U, 1);
|
|
dst := cvCreateImage(cvSize(image^.width, image^.height), IPL_DEPTH_8U, 1);
|
|
cvCvtColor(image, img_gray, CV_BGR2GRAY);
|
|
cvShowImage('Gray image', img_gray);
|
|
storage := cvCreateMemStorage(0);
|
|
cvThreshold(img_gray, dst, 128, 255, CV_THRESH_BINARY_INV);
|
|
// cvAdaptiveThreshold(img_gray, img_gray, 255, CV_ADAPTIVE_THRESH_GAUSSIAN_C, CV_THRESH_BINARY, 21, 7);
|
|
cvShowImage('Threshold image', dst);
|
|
contours:=AllocMem(SizeOf(TCvSeq));
|
|
cvFindContours(dst, storage, @contours, SizeOf(TCvContour), CV_RETR_LIST, CV_CHAIN_APPROX_SIMPLE, cvPoint(0, 0));
|
|
cvDrawContours(image, contours, CV_RGB(100, 200, 0), CV_RGB(200, 100, 0), 2, 2, CV_AA, cvPoint(0, 0));
|
|
cvShowImage('Contour image', image);
|
|
cvWaitKey(0);
|
|
cvDestroyAllWindows;
|
|
cvReleaseImage(image);
|
|
cvReleaseImage(img_gray);
|
|
cvReleaseImage(dst);
|
|
end;
|
|
except
|
|
on E: Exception do
|
|
WriteLn(E.ClassName, ': ', E.Message);
|
|
end;
|
|
|
|
end.
|