HOw to get the value between two peaks from a histo
Hi, Any method that I can use to get the value between two peaks in the histogram using opencv?  thanks
View ArticleHow to obtain partial derivatives of R,G,B
Hi!!! I'm trying to do an edge detector but how I do to each color band to obtain partial derivatives rx,ry, gx, gy, bx, by (for red,green,blue). With these color derivatives I must create a S matrix,...
View Articlelibv4l2: error turning on stream: Invalid argument VIDIOC_STREAMON: Invalid...
I'm working on logitech external camera using opencv 3.0.0 and C++ on cross compiled raspberry pi 2 board, When I run a program using the camera and stop it with Ctrl + C, I can't get it run for a...
View Articlehow to crop ROI?
Hello, I have already set ROI for my image and now I want to crop ROI again. for example as shown in figure, there is already ROI and the read box which I want cropping. ![image...
View ArticleSelective hole filling
Hello everyone At the moment I use cv::floodFill to fill holes in binary images. So, if I have the following image (These images are examples produced with a painting tool). ![image...
View ArticleHow to remove black/shadows regions of colored Image via OpenCV
Hello guys.I want to remove black/shadows regions of coloured image and after this improve contrast and brightness. So how can i achieve this one? Can i use **equalizeHist** or **AdaptiveTreshold** and...
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West Ham Back In Europe For First Time In Nine Years Thanks To Fair Play
Direct free-kicks aren't all that common in FIFA 16 But if you draw a foul just outside the 18-yard box you'll be treated to a short cutscene where the referee will march the defensive wall back the...
View ArticleChanging part of image doesnt effect orjinal image OpenCV 2.4.11 C++
Hey, I'm processing part of image but it changes orginal image weirdly. Edit: Found the problem redFilter is returning copy of the image. I changed code create another mat and copy it to tile still...
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Truths About Herpes And Possible Remedies.
(Medical Xpress) - Herpesviruses are thrifty reproducers - they only send off their most infectious children to attack brand-new cells. herpes cure update reveals itself in an outbreak of small...
View ArticleIdentify Pepperoni Slice: Houghs Circles is Slow
Hello I am making a simple fun project that identifies how many pepperoni pieces/slices are on a pizza. The algorithm to count the no. of pepperoni slices is based off [this...
View ArticleBody immune system May Play Key Function In Viral Treatment's Efficiency...
According to standard Chinese medical theory, herpes break outs happen when your qi is under attack. Due to the fact that it is a persistent condition that comes back repeatedly although in lower...
View ArticleIs it possible to display a GpuMat directly?
It seems very inefficient to download a GpuMat to system memory only to send it back to the gpu when it's displayed. Is there some way to display an image directly from the gpu? imshow on a GpuMat...
View ArticleWhat Is Raging Lion Male Enhancement?
those merchandise is being pushed and promoted through this creator by means of this evaluate you heard about Raging Lion If not but; then, permit this writer to provide you the important details...
View ArticleVideoCapture not working OpenCv3.0.0/lubuntu 14.04
I am pretty sure my code is ok. I used OpenCv3.0.0. 'cap' opens but 'cap.read' returns false. The webcam (logitech sphere) works through guvcview after I used the ppa to get the latest version. The...
View ArticleMegatropin greatest product regarding muscles buliding
For every man on this planet, making difficult, hard along with hard muscle groups can be for the substantial concern. It's very important to allow them to acquire hard along with sturdy muscle groups...
View ArticleRemoving background from Image
Ok so I am newbie in openCv, I am working on an Android App that requires a user to remove Image background using OpenCV, I could have used other libraries if there were many good ones out there but...
View ArticleBag of visual words android
Is bag of visual words possible in android, using BOWextractor and BOWkmeans? or is it omitted? Please and thank you!
View ArticleFind depth from disparity map
I'm trying calculate depth map from disparity map in OpenCV, and then use this to create a point cloud with pcl. I have a set of images from L and R which i use to calibrate cameras (using...
View ArticleMat hierarchy in Java vs vector hierarchy in C++
I have a function in C++ as below. void trackFilteredObject(int &x, int &y, cv::Mat threshold, cv::Mat cameraFeed){ cv::Mat temp; threshold.copyTo(temp); vector< vector> contours; vector...
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