2014-04-01 04:10:22 -0600 | received badge | ● Student (source) |
2014-03-31 21:40:38 -0600 | asked a question | iOS video Processing is slow,how can i run it in background? I have read the article about OpenCV iOS - Video Processing In the - (void)processImage:(Mat&)image; function can deal with the video's image and output on the screen.Now I want to sign out the car in the video and let it show on the screen by a react.So i changed the - (void)processImage:(Mat&)image; function: this function can react out the car on the screen but i found it was very slow,that's let me crazy.I want to know how can i let it work quickly.(I am a Chinese,my English is very poor.) |
2014-03-31 21:35:54 -0600 | asked a question | iOS Video processing is very slow I have read the article about OpenCV iOS - Video Processing In the - (void)processImage:(Mat&)image; function can deal with the video's image and output on the screen.Now I want to sign out the car in the video and let it show on the screen by a react.So i changed the - (void)processImage:(Mat&)image; function: // IplImage *pSrcImage = cvCreateImage(cvSize(image.cols/2, image.rows/2), image.depth(), image.channels()); IplImage *pGrayImage = cvCreateImage(cvGetSize(&pSrcImage), IPL_DEPTH_8U, 1); cvCvtColor(&pSrcImage, pGrayImage, CV_BGR2GRAY); this function can react out the car on the screen but i found it was very slow,that's let me crazy.I want to know how can i let it work quickly.(I am a Chinese,my English is very poor.) |