Does Opencv3.3.1 support Visual Studio 2008 ?
Does anybody tried to compile Opencv3.3.1 with cmake and Visual Studio 2008, or does Opencv3.3.1 support Visual Studio 2008 .Tell me what you know or have tried, Thanks!
View Articlegetting error in multiclass SVM classification??
Hello all, I'm getting error in my code. here i'm doing multiclass classification using svm with 20 classes. here the training data of each class is feature vector .yml file named as Dictionay1 ,...
View ArticleCreating mobile application with OpenCV
What technologies can be used to create applications for iOS and Android? It is necessary that the application code with OpenСV was common to both systems.
View ArticleLUT for 16bit image
Hi, I want to do lookuptable for 16 bit image. I have image of 16 bit(CV_16UC1), then i naormalize image with RGB give value and store in Mat variable called lut(type - CV_16UC3). After that, i split...
View Articlebuild 4.01 with vs2017 + WITH_QT & WITH_OPENGL errors
OPENCV_EXTRA_MODULES_PATH : opencv_contrib-master/opencv_contrib-master/modules; ERRORS: Error LNK1104 cannot open file '..\..\lib\Debug\opencv_highgui401d.lib' opencv_perf_imgcodecs ; Error LNK1104...
View Articlefinding the brightest area
I have a photo that has areas with high brightness.  applying different algorithms i made white the brightest points and black the rest points then i...
View Articlecompare two thermal images in android
please provide the sample or tutorials how to compare two thermal images in android
View Articleopencv-python 4.0.0.21
Unofficial pre-built OpenCV 4.0 packages for Python is [available](https://pypi.org/project/opencv-python/4.0.0.21/)
View ArticleH264 without ffmeg
In order to get an h264 stream, I'm using a simple android library (wich is working well enough) I send the decode stream to a surface view mRtspClient = new RtspClient(Video_H264/*rtspUrl*/);...
View ArticleOpenCV 4.0 count cameras number
Dear all, I would like to set a code to count the number of active cameras detected by OpenCV-4.0. To achieve my goal, I used a for loop, because I didn't found how to do it by another way. Apparently,...
View ArticleopenCV with openVINO..?
hello there... am using openVINO with raspbian and NCS and its working fine..but i cannot able to use opencv withit... it shows error: cv2.error: OpenCV(4.0.0)...
View Articleroi out of bounds
I have the following error i don't have any idea how to fix it. can you please help me to fix this error? The full code is below. #include "opencv2/core/core.hpp" #include "opencv2/imgproc/imgproc.hpp"...
View ArticleExtract rotation and translation from Fundamental matrix
Hello, I try to extract rotation and translation from my simulated data. I use simulated large fisheye data.  ![image...
View ArticleDNN/Tensorflow API works in python but not c++
Hi, I'm fairly new to training my own NN but I have gotten it to work but only partially. For some reason, I can only detect objects in python but not in c++. In python (3.6) this will detect objects...
View ArticleUpdating of documentation (regarding reduce)
Hi, I have just started playing with opencv for Python, trying to do some simple calculations. I am using opencv-python v. 4.0.0.21 and Python v. 3.6.6 I found the documentation for the reduce...
View Articlepython: how to compute the color distribution of image in the paper with...
I am computing the color distribution of image as mentioned in the paper: https://arxiv.org/pdf/1202.2158.pdf. 3.1.2 Color Distribution To avoid distraction from objects in the background,...
View Articlednn assertion failed 'getMemoryShapes()' using Darknet yolov3
Hi, I'm trying to use the OpenCV dnn with the Darknet pre-trained yolov3 weights and cfg. (on Ubuntu 16.04, OpenCV 4.0.1-dev). The weights and cfg files are loaded using `readNetFromDarknet()` When...
View ArticlepointPolygonTest() throws error for some reason
I am using the following piece of code to check if a point is inside the contour or not: # form the contour from points cnt = [] for pose in component.part_outline.outline_poses.poses: point =...
View ArticlePatternsize in findChessboardcorners
Hello, We have to specify the values for PatternSize in findChessboardcorners. But how to do if we don't know at the advance exactly these values ? Because testing all possible values is time expensive...
View ArticleR6010 abort() called
I am working on a simple CNN program https://github.com/xingdi-eric-yuan/single-layer-convnet/blob/master/ConvNet.cpp here but when I run the code i am encountering this exception. The console is like...
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