Object detection and splitting, clustering?
I'm currently working on an application that will split a scanned image (that contains multiple receipts) into individual receipt images. Below is the sample image:  for pattern matching. It is working but i need to find the degree of rotation of that...
View ArticleMake black colors more black and white colors more white..
I is possible using the SV parameter of HSV to adjust an image such that black spots becomes more darker and white areas becomes more lighter.. I theory I think it should be possible, but aren't able...
View ArticleHow to use approxPolyDP to close contours
Hi, I would like to use approxPoly to close contours. But I am not quite sure about how it works. I am using OpenCV 2.4.11. So I have two images: ...
View Articleimwrite a Mat_float keeping the image.
I at moment trying to save a Mat which is given the type Mat_.. When i try to save it it saver an black image, but imshow shows that the image isn't black at all. Is there a way to save the image even...
View Articlehow can I detect one our more helmet safety for workers?
Hi everybody, my name is Wilian Pasternak and I´m Brazilian. So, I must detect one our more helmet safety for workers in a building. I have been trying to use HaarTraining, but not get a good result....
View ArticleIs OpenCv 3.0 compatible for VS 2015
Need to configure the setting for OpenCv for VS2015 as it require C++ for making directory files and other setting for same 32 and 64 bit.
View ArticleTips For Selecting A House Safety Method That Suits You
"How secure do you feel in your home in New York City? Keeping your house safe, as well as your valuables, ought to be your precedence. Burglary is the biggest risk towards a home today. With the risk...
View ArticleOutdoor Safety Cameras Are Not Like Csi
According to the FBI a theft is committed somewhere on average every fifteen seconds. To avoid being the victim of one of them there is a broad variety of actions a house owner can take. Some, like...
View ArticleStranger behaviours with the OpenCV's stitcher/GPU module
Hello, I'm using Visual Studio 2012 with the stitcher module of OpenCv 2.4.11 in order to stitch two videos that coming from two web cams. My pc specs are: Intel core i7@ 3.4 GHz, RAM: 16GB The...
View ArticleWhat is the right/best way for Eye detection ?
I want to detect eyes inside a detected face in webcam footage. I am using haarcascade eye and split eye for detecting eyes. But the eye detection is too much unstable. The detected rectangle is always...
View ArticleHow can I use triangulatePoints() if I have only CameraParams?
How can I get 3x4 projection matricies of the first and the second cameras to use...
View ArticleHow to remove black background from output image in OpenCV python ?
Hi, I'm using OpenCV with python, there are black background on my images, but I just want to use none black pieces I want to draw their histogram. How should I do?
View Articleinstalling opencv
Hy, I need OpenCV for a project I'm working on, however so far I've not been able to successfully build it. I've been trying numorous build guides and haven't found any solution yet. The make process...
View ArticleCrashes in Mat destructor
Hey :), I'm an IT-student and was assigned with the task to implement a harris detector by hand, I'm allowed to use OpenCV for image loading and accessing. So the first step is to implement the image...
View ArticleJava Opencv import for SVM
I am working on an gender recognition app using java and i have detected the users face using open cv and now i am looking into using SVM as part of it. Is it possible to do it in Java as most of the...
View ArticleBuild OpenCV + FastCV static linking
Hi, I am having issues when building OpenCV and FastCV as static libs. Here is my Android.mk: LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) include...
View ArticleAndroid + OpenCV + Face detection + Custom Layout
Hi, I am using: - Android 4.0.3 - OpenCV 2.4.2 - Samsung Galaxy S2 The face-detection example (from the opencv 2.4.2) is working perfectly. But now, I would like to create a custom layout and actually...
View Articlesimple gpu computation
Hello, I'm processing images like this  Images are very large (8192*8192). I need to do two things with these images. First: Get all the unique...
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