While capturing video thru OpenCV, I'm getting following.
D:\Ram\Projects\Temp and Samples\dlib-18.18\examples\build\Debug>makeupapp_ex.exe shape_predictor_68_face_landmarks.dat Error detected at line 36. Error detected in file d:\ram\projects\temp and...
View ArticleUndefined reference to algorithm
I want to write a program for a raspberry pi witch can recognize road signs. I found that tutorial http://docs.opencv.org/doc/tutorials/features2d/feature_flann_matcher/feature_flann_matcher.html but...
View ArticleOpenCV: VideoCapture::get(CV_CAP_PROP_POS_MSEC ) returns 0
I'm trying to timestamp the frames when recording video using OpenCV 3.1.0. However, when using VideoCapture::get(CV_CAP_PROP_POS_MSEC) to get the millisecond timestamp of the last frame grabbed the...
View ArticleWhy VFW call to get MJPG decompressor fails?
I am using opencv C++ (2.4.13) prebuilt binary (VS12 x64) on windows 10 x64 (10.0.10586) to read some image frame from my webcam using the following code: VideoCapture capture; capture.open(-1); if...
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 I want to fit ellipse to all the fingertips on this hand using the detected points. How should I draw ellipse only at those specific places. Should...
View ArticleExactly once after my computer wakes up, OpenCV 3.1.0 remap causes Intel HD...
I've tested this a couple of times; at one point in my code I call the OpenCV remap function, passing in a large roughly 2000x2000 pixel image into the function, and the destination image is roughly...
View ArticlePiramidal Lukas and Kanade in Tracking API
Is there sameone implementing PLK in the Tracking API? If yes, and you need help, please inform. I wanna help or please share it. Thanks.
View ArticleGet the color of an object
Hello, I am trying to extract the dominant color of an object for color analysis but It seems like I don't get the true color using Core.mean() [RGB] in OpenCV3. Do we have a way to get the dominant...
View ArticleWhat is the best algorithm for multiple objects tracking?
Hi guys, I have a concern about the question "what is the best algorithm for multiple objects tracking in real time applications". Anyone have experience in this sector? Can you provide for me some...
View Articleopencv CRF(conditional random fields)
Hello, I want to use CRF on my project. But I cant find a method in opencv library for this. Is there a method for CRF?
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Hi, I want to implement an algorithm for semantic segmentation using OpenCV. As per my knowledge there is no current implementation of semantic segmentation in OpenCV . Is it possible to implement by...
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I am trying to use watershed given in python example ,i am able to select the marker but it is not painting i.e when i am trying to drag on image no region is getting selected.I have not made any...
View ArticleConfidence is always zero
Hi I am using opencv 2.4.x I am trying to recognize the image. I have cropped the rectangular part of faces, greyed it out, and fed it to Fischer face recognition algorithm. I do get the predicted...
View Articlehow to calculate radius
i developed a code to detect hough circle , and can how search for radius in case there is no signAL
View ArticleMicrosoft C++ exception: cv::Exception at memory location
Iwant to implement a simple thresholding algorithm by comparing the pixel values of an image with some threshold and then assign either 0 or 1 to the pixels of output value correspondingly. a part of...
View ArticleCamshiftDemo on 64 bit windows 10 doesn't display camera feed
 CamshiftDemo on 64 bit windows 10 doesn't display camera feed. How can i get the camera feed on screen.![image...
View ArticleDelay video in python
I am trying to delay a video feed, I am very new to programming but am jumping right in. I can display the video from the camera but I want a delay between the camera and the display. Many thanks
View ArticleOpencv versions and face recognition in android
I am getting confused with opencv versions for android and for other platforms, and the facerecognition methods availability. - As of August 2016, latest opencv available is 2.4.13. But for android,...
View ArticleHow to get Y, U, V from image
I use OpenCV 3.0 in Python3.4. I have **BGR** image converted to **YUV420**: out_image = cv2.cvtColor(in_image, cv2.COLOR_BGR2YUV_I420) How to get Y, U, V values from out_image?
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