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2014-05-20 14:15:18 -0600 | asked a question | Rotate image(mat or iplimage) with size conversion I have image at IplImage (there is not problem to convert it to Mat). I have to rotate my image. I have image: My method for rotate: But after rotate my new image have incorrect resolution. Rotation occurs in this resolution, but my new image have to take new resolution. Test image(original image - center, left image - rotated by my method, right image - rotated by system service): U can see, that my new image crop hat of man, and new image have bigger width. How i could rotate my image without this problem? |
2014-03-09 15:41:32 -0600 | commented question | imread implementation file berak, thx for answer. i sew this tutorials, and btw src really couldnt help me :( can u tell me, in whick representation the image is stored ? i loaded img in Qt Creator: QImage image(filename); representation(data) = 0x6ba6b6e0 And loaded with opencv imread: Mat img_1 = imread(filename, CV_LOAD_IMAGE_COLOR); representation(data) = 0x0000000000389810 Representation of images is different. How i can conver my QT representation to cv::Mat representation ? I have to do this cuz i dont know how is work imread. i think that link can help me http://docs.opencv.org/doc/tutorials/features2d/trackingmotion/harris_detector/harris_detector.html#harris-detector and in particular http://docs.opencv.org/_images/math/4bfccbf6ce004b20fa2ece255b9d24406428c280.png |
2014-03-09 04:32:34 -0600 | asked a question | imread implementation file Good day! Im study opencv (SIFT and SURF methods). First of all i have to load image Mat img_1 = imread(.....); Where is imread implementation ? How its work ? I want to see source code of this method, cuz i cant get thing how its work without implementation. I think its "Integral view of image". But if i want to use it, i have to know how its work. Sure, im using opencv without commercial targets. |