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Anderstanding of the frame Format on Android

1) we get the frame in RGBA format via inputFrame.rgba(); 2) we must transform to Imgproc.COLOR_RGB2GRAY to process Imgproc methode. 3) We got a destination Mat in output of a lot of method. Witch are...

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How can I get original coordinates after stereo rectification?

Hello, everyone. I'm a newbie here. I'm working on stereo rectification and reverse mapping. I need to get original coordinates(in the source image) after stereo rectification( cvStereoRectify(),...

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connectedComponents() not working

I have problem using connectedComponents() .Error shows at line 341

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Using ifstream in VS2015

Hello, I am calling a function from OpenCV that uses ifstream in C++. ifstream doesn't seem to work when tried in isolation. Ptr er_filter1 =...

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Solve the error

I'm getting the following error, Error 100 error LNK2038: mismatch detected for 'RuntimeLibrary': value 'MTd_StaticDebug' doesn't match value 'MDd_DynamicDebug' in webcam_face_pose_ex.obj...

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Defishing an fisheye image.

I'm quite new to opencv so pardon me if I'm asking a question which is already been answered. I'm trying to find a way do defish an fisheye image (Taken from a gopro). Can someone guide me how i can...

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Can we use stitching_detailed.cpp to create 3D sphere

I'm trying to create a 3d sphere with by using opencv sample code "stitching_detailed.cpp". Pictures have been taken by 7 camera (5 in ring and 1 for top and 1 for bottom). Any idea which prams i can...

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readFolderExtractFeatures method is undefined in visual studio

I'm using visual studio 2013 but readFolderExtractFeatures() method is undefined

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access violation while filling a Mat with custom uchar* data

I want to test the base64 encoding/decoding about to make an Android application communicate with native Opencv c++ code. I try to show the result image about to check weather the result string is...

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Linking ThinPlateSplineShapeTransformer failed (undefined reference)

Hi all, I built OpenCV 3.1.0-dev (latest by today) and installed it to a subdir of my home dir. Now, I want to compile a simple example cpp-file, using my freshly installed OpenCV #include #include...

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getting 0xc000007b

I am getting 0xc000007b ( the application was unable to start correctly). Click OK to close.

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Why do I get segmentation fault on multiclass rtrees training?

I have data with 21 features and the number of classes is dependent of my goal. When I formulate my problem with 2 classes the following code works. But when I formulate my problem with 3 classes I...

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cannot complied a opencv3.1 vdo sumarized program on visual studio 2015 c++

Dear Guru I'm quite new about opencv. But I was able to run some opencv3.1 programs such as the car counting, the background subtraction. However I tried to study about vdo summation with opencv c++....

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3D Reconstructed Scene appearing in 'slices'

I am trying out 3D Reconstruction and while the frontal result looks exactly similar to its 2D scene, the view from the sides are appearing in slices. Does anyone have any suggestions on how I can make...

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Help Regarding Setup Windows Universal App Using Open CV Module

Experts advice needed on setting up all the things[,](http://softlay.net)I want to design windows universal app using Open CV module

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How to fit an ellipse to fingertips ?

![image description](/upfiles/1470937175857319.jpg) 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...

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OpenCV Error: Assertion failed (scn == 3 || scn == 4) in cvtColor, file...

Stumbled on this problem the embedded camera works fine but when I try to make this work on the remote it throws "OpenCV Error: Assertion failed (scn == 3 || scn == 4) in cvtColor, file...

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Does clahe work on 16uc1 image?I tried myself but got unexpected result.Plz...

I used mat in opencv cpp code to load images Here is my code: cv::Mat srcImage_3channels = cv::imread(InputPath, CV_LOAD_IMAGE_UNCHANGED); cv::Mat srcImage = cv::Mat::zeros(srcImage_3channels.rows,...

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Stitching Detailed: Warp one image with respect to the second and keep the...

I am using opencv stitching detailed example as reference for my project in which if I provide two images to create a panorama then both are warped to match each other, is there a way in which one...

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Feature extracting for color

I am trying a color recognition system with the use of machine learning. I have read some papers. They are several feature extracting methods. What is the best feature extracting method for color...

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