App crash error code c0000374
Hi guys.. I need your help... cant finish my project because of this error: c0000374. After starting the program it fails and crashes. I use opencv 3.1 with VS 2010. Programm basically have to show a...
View ArticleExtracting text from an image OpenCV
My goal is to extract the nutrient information of a food product. The image is taken from a phone camera and cropped to the Nutrient Fact table.  I...
View ArticleTutorials for OpenCV 3.x please and not for 2.x?
Hello, I just installed OpenCV 3.1 with Visual Studio 2013 on Windows 7 (64-bit). Where can I find tutorials running on this version of OpenCV please? Even the official examples do not work, for...
View Articlecv::imread - Camera orientation problem
I'm following this guide [here](http://docs.opencv.org/master/d5/daf/tutorial_py_histogram_equalization.html#gsc.tab=0) to try out CLAHE in Python, so I have the following code: import numpy as np...
View ArticleComparing two images (rotate, brightness)
Hi, So I have this:  I need to compare the template (left window) with the detected one (middle window) What is the best way to do this? As you can...
View Article"C compiler identification is unknown" error on Debian (ARM)
Hi, I am getting this error when trying to compile from source: -- The CXX compiler identification is GNU 4.9.2 -- The C compiler identification is unknown -- Check for working CXX compiler:...
View Articleoptimization techniques for opencv, C++
I have written a program in which the program has to detect objects from the video. the actual duration of video is 5 hours but it is taking nearly 10 hours on raspberry pi 2. It is taking very long...
View ArticleBlock-matching Algorithm in OpenCV?
Hi everyone, I have a question if its possible to find a Block Matching Compensation Algorithm in OpenCV, or if exits a more easy method to implement it. I tried to implement it, witout success....
View ArticleHow to change to composite input in Java
Hello, I can't seem to find any info on how to do the following:... I need to switch the default input 0 (S-Video) to the composite input (1) in my application which captures the video from the...
View ArticleClik here to view.
Core Details Of fat loss Explained
How To Lose Weight With The Food Lovers Fat Loss System Diet Do you want to turn one's body in a fat-burning machine? Are you looking for a sporty physique? If yes, take a rest, study your habits and...
View ArticleVideo of cars driving under a bridge - where to find ??
Does anybody know of a publically available download of a video format that OpenCV can open (ex. avi, mp4, wmv, etc.) that shows cars driving under a bridge? I'm planning on making a car counting...
View ArticleMaking OpenCV: Error hal undeclared
I am working on making opencv with the options below in Ubuntu 14.04 with cmake 3.4.1. When I try to compile with make I keep getting an exit with an error that hal is undeclared. Does anyone know why...
View ArticleMultiply a vector
All of my points in my vector are halved, so I'd like to double them. Is there a better way to do this other than looping through all the points and multiplying each x, y value by 2? Thanks!
View ArticleInformative websites related to OpenCV
i think it will be useful if we add links of informative websites related to OpenCV here. Lets create a list together. Last addition : http://hanzratech.in/categories/opencv/ [**check what added to...
View ArticleWhat's the difference between `KDTreeIndex` and `KDTreeSingleIndex`?
In their comments, both says: /** * Randomized kd-tree index * * Contains the k-d trees and other information for indexing a set of points * for nearest-neighbor matching. */ Anyone can tell me the...
View ArticleIf I want OpenCV to use all the cores in my computer, do I have to compile it...
I've been using OpenCV on the Raspberry Pi 2 (4 cores). I installed it with apt-get, yet whenever I use OpenCV via Python it only ever uses 25% of my CPU potential (1 core). Is there a way to install...
View ArticleJava : Convert a binary file (received from Bayer sensor) to a Bayer image...
I am receiving a binary file from a Bayer sensor. Every 10 bits in the file represent a pixel. How can I convert the binary file into the raw Bayer image using OpenCV in Java. Later I would also need...
View Articlehow to differentiate the two overlapped cars in the video
I have written program for detecting cars in the video. If two cars found simultaneously my program is counting for only one or some times it do not count. is there any way to solve this problem? Does...
View ArticleDetect objects by color
Hey guys, I'm trying to do an application that I take a picture of a set of stacked boxes, with different color, and I want to map that stack, like know the position of each box in the stack. It's my...
View Articleimport.opencv.android cannot be resolved
View Article