基于Face++实现的人脸识别源码代码,ObjC代码库,德仔网

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【ObjC】基于Face++实现的人脸识别源码

作者:宝清 / 发布于2014/11/17/ 1258

通过Face iOS SDK来为应用集成人脸识别功能，包括人脸关键点检测，微笑成都分析，人脸对比。


	//提交人脸进行检测，并在图片上描绘出人脸范围
	- (void)detectWithImage:(UIImage *)image{
	 FaceppResult *result = [[FaceppAPI detection]detectWithURL:nil orImageData:UIImageJPEGRepresentation(image, 0.5) mode:FaceppDetectionModeNormal attribute:FaceppDetectionAttributeNone];
	 if (result.success) {
	 double image_width = [[result content][@"img_width"]doubleValue]*0.01f;
	 double image_height = [[result content][@"img_height"]doubleValue]*0.01f;
	 UIGraphicsBeginImageContext(image.size);
	 [image drawAtPoint:CGPointZero];
	 CGContextRef context = UIGraphicsGetCurrentContext();
	 CGContextSetRGBFillColor(context, 1.0, 0, 0, 1.0);
	 CGContextSetLineWidth(context, image_width*0.7f);
	 int face_count = [[result content][@"face"]count];
	 for (int i = 0; i<face_count; i++)="" {="" double="" width="[[result" content][@"face"][i][@"position"][@"width"]doublevalue];="" height="[[result" content][@"face"][i][@"position"][@"height"]doublevalue];="" 获取到得人脸范围="" cgrect="" rect="CGRectMake(([[result" content][@"face"][i][@"position"][@"center"][@"x"]doublevalue]-width="" 2)*image_width,="" ([[result="" content][@"face"][i][@"position"][@"center"][@"y"]doublevalue]-height="" 2)*image_height,="" width*image_width,="" height*image_height);="" cgcontextstrokerect(context,="" rect);="" }="" uiimage="" *newimage="UIGraphicsGetImageFromCurrentImageContext();" uigraphicsendimagecontext();="" float="" scale="1.0f;" 280.f="" newimage.size.width);="" 257.f="" newimage.size.height);="" [self.imageview="" setframe:cgrectmake(self.imageview.frame.origin.x,="" self.imageview.frame.origin.y,="" newimage.size.width*scale,="" newimage.size.height*scale)];="" setimage:newimage];="" }else="" uialertview="" *alert="[[UIAlertView" alloc]initwithtitle:[nsstring="" stringwithformat:@"error="" message:="" %@",="" [result="" error].message]="" message:@""="" delegate:nil="" cancelbuttontitle:@"ok!"="" otherbuttontitles:nil];="" [alert="" performselectoronmainthread:@selector(show)="" withobject:nil="" waituntildone:yes];="" 提交人脸进行检测，并在图片上描绘出人脸范围="" -="" (void)detectwithimage:(uiimage="" *)image{="" faceppresult="" *result="[[FaceppAPI" detection]detectwithurl:nil="" orimagedata:uiimagejpegrepresentation(image,="" 0.5)="" mode:faceppdetectionmodenormal="" attribute:faceppdetectionattributenone];="" if="" (result.success)="" image_width="[[result" content][@"img_width"]doublevalue]*0.01f;="" image_height="[[result" content][@"img_height"]doublevalue]*0.01f;="" uigraphicsbeginimagecontext(image.size);="" [image="" drawatpoint:cgpointzero];="" cgcontextref="" context="UIGraphicsGetCurrentContext();" cgcontextsetrgbfillcolor(context,="" 1.0,="" 0,="" 1.0);="" cgcontextsetlinewidth(context,="" image_width*0.7f);="" int="" face_count="[[result" content][@"face"]count];="" for="" (int="" i="0;" i<face_count;="" }<="" pre="">
	 </face_count;>

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　Face++　　人脸识别　

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