- #import "UIImage+OpenCV.h"
- #import "MyViewController.h"
- #import <opencv2/highgui/ios.h>
- #import <opencv2/imgproc/imgproc_c.h>
- #import <opencv2/core/core_c.h>
- #import <opencv2/features2d/features2d.hpp>
- #import <opencv2/nonfree/features2d.hpp>
- // Aperture value to use for the Canny edge detection
- const int kCannyAperture = 7;
- @interface MyViewController ()
- - (void)processFrame;
- @end
- @implementation MyViewController
- @synthesize imageView = _imageView;
- @synthesize imageView1 = _imageView1;
- - (void)viewDidLoad
- {
- [super viewDidLoad];
- //[self TakeColorFromImageHSV];
- UIImage *mImage = [UIImage imageNamed:@"防伪标签007.jpg"];
- IplImage *srcIpl = [self convertToIplImage:mImage];
- IplImage *dscIpl = cvCreateImage(cvGetSize(srcIpl), srcIpl->depth, 1);
- [self SkinDetect:srcIpl withParam:dscIpl];
- IplImage *dscIplNew = cvCreateImage(cvGetSize(srcIpl), IPL_DEPTH_8U, 3);
- cvCvtColor(dscIpl, dscIplNew, CV_GRAY2BGR);
- self.imageView.image = mImage;
- UIImage *mImage1 = [UIImage imageNamed:@"temple005.jpg"];
- self.imageView1.image = mImage1;
- IplImage *srcIpl1 = [self convertToIplImage:mImage1];
- IplImage *dscIpl1 = cvCreateImage(cvGetSize(srcIpl1), srcIpl1 ->depth, 1);
- [self SkinDetect:srcIpl1 withParam:dscIpl1];
- IplImage *dscIplNew1 = cvCreateImage(cvGetSize(srcIpl1), IPL_DEPTH_8U, 3);
- cvCvtColor(dscIpl1, dscIplNew1, CV_GRAY2BGR);
- IplImage *src = srcIpl;
- IplImage *srcResult = srcIpl; //用来显示
- IplImage *templat = srcIpl1;
- IplImage *result;
- int srcW, srcH, templatW, templatH, resultH, resultW;
- srcW = src->width;
- srcH = src->height;
- templatW = templat->width;
- templatH = templat->height;
- resultW = srcW - templatW + 1;
- resultH = srcH - templatH + 1;
- result = cvCreateImage(cvSize(resultW, resultH), 32, 1);
- cvMatchTemplate(src, templat, result, CV_TM_SQDIFF);
- double minValue, maxValue;
- CvPoint minLoc, maxLoc;
- cvMinMaxLoc(result, &minValue, &maxValue, &minLoc, &maxLoc);
- cvRectangle(srcResult, minLoc, cvPoint(minLoc.x + templatW, minLoc.y+ templatH), cvScalar(0,0,255));
- self.imageView1.image = [self convertToUIImage:srcResult];
- }
- /// UIImage类型转换为IPlImage类型
- -(IplImage*)convertToIplImage:(UIImage*)image
- {
- CGImageRef imageRef = image.CGImage;
- CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
- IplImage *iplImage = cvCreateImage(cvSize(image.size.width, image.size.height), IPL_DEPTH_8U, 4);
- CGContextRef contextRef = CGBitmapContextCreate(iplImage->imageData, iplImage->width, iplImage->height, iplImage->depth, iplImage->widthStep, colorSpace, kCGImageAlphaPremultipliedLast|kCGBitmapByteOrderDefault);
- CGContextDrawImage(contextRef, CGRectMake(0, 0, image.size.width, image.size.height), imageRef);
- CGContextRelease(contextRef);
- CGColorSpaceRelease(colorSpace);
- IplImage *ret = cvCreateImage(cvGetSize(iplImage), IPL_DEPTH_8U, 3);
- cvCvtColor(iplImage, ret, CV_RGB2BGR);
- cvReleaseImage(&iplImage);
- return ret;
- }
- /// IplImage类型转换为UIImage类型
- -(UIImage*)convertToUIImage:(IplImage*)image
- {
- cvCvtColor(image, image, CV_BGR2RGB);
- CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
- NSData *data = [NSData dataWithBytes:image->imageData length:image->imageSize];
- CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)data);
- CGImageRef imageRef = CGImageCreate(image->width, image->height, image->depth, image->depth * image->nChannels, image->widthStep, colorSpace, kCGImageAlphaNone | kCGBitmapByteOrderDefault, provider, NULL, false, kCGRenderingIntentDefault);
- UIImage *ret = [UIImage imageWithCGImage:imageRef];
- CGImageRelease(imageRef);
- CGDataProviderRelease(provider);
- CGColorSpaceRelease(colorSpace);
- return ret;
- }
- - (void)viewDidUnload
- {
- [super viewDidUnload];
- self.imageView = nil;
- self.imageView1=nil;
- delete _videoCapture;
- _videoCapture = nil;
- }
- @end
来源: http://lib.csdn.net/snippet/ios/42661