How to build OpenCV 3.2 Text Module with Tesseract 4.0?
I am new to OpenCV & Tesseract and intend to use cv2.text for text detection and recognition. I have successfully and separately built OpenCV 3.2.0 with its contrib modules and Tesseract-OCR...
View ArticleWhen I use 'cv2.imread()' the image window show not responding.Can somebody...
I am using opencv 2.7When I use 'cv2.imshow('image',img)' the image window shows not responding.I waited for some long,but still not respondiing.Somebody please help me.Thankyou.
View ArticleVital Variables Influencing Scrap Steel Rates
Making use of steel scraps for a selection of efficient uses has caused the speeding up growth of the industry. Today there are over a million industries that provide and also use steel scraps for...
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The Benefits of Sober Living
For recouping addicts who are trying to stay clean as well as sober the choices made after finishing from treatment program could be crucial. Many people graduate from therapy programs and are then...
View ArticleHow to eliminate small contours in a binary image?
I am currently working on image processing project. I am using Opencv 3.x.x with VC++. My code: Mat result; vector>contours; vectorhierarchy; int savedContour = -1; double maxArea = 0.0; // Find...
View ArticleProblem with HSV
Need some help, i am not able to find the desired contour Input:  After applying binary filter: ...
View ArticleWatershed Transform and PCA opencv 3.0 c++
I am trying to train a PCA(classification/recognition) with watershed transform(feature extraction) on Opencv 3.0 with C++. I have managed to get the watershed working but now I have trouble merging...
View ArticleSecret Uses of Remote Control Airplanes
Now that winter is fading in a distant memory it is actually a great time to get kids cowboy boots with the little buckeroo of yours. Many online distributors deptartment stores and children cowboy...
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Plumbing related offers description and the best deal For Plumbing contractor...
You can spend less and get good work done from plumber Toronto companies. All you need to do is know where you can look for offers depending on your situation. Plumbing related needs shall vary for all...
View Articletracking movement in a
Hello Forum. Need some help (well a lot really please). I am trying to track movement in an area. Imagine a cat walking across a lawn, it starts at one side and walks across to the other, how do I...
View ArticleCan someone explain me these terms (acceptanceRatio, HR, FA) in training haar...
View ArticleOpencv select timeout at high resolutions
Hi all. I have an A4Tech pk-336e webcam attached with my BeagleBone and i am using OpenCV to capture images from BeagleBone Black. Issue is when i capture image at 320x240 resolution i get a perfect...
View ArticleCaffe section in the opencv's makefile
What does Caffe section do in the opencv build. I've tried to google it but without any outcome. 
View Articlehow do i load and use TrainData
I downloaded training set for digit recognition. The training set is in csv format , the first column contains the responses and pixel value of the following response is stored the corresponding row....
View Articleis there any way to detect shiny ball ?
Hi , I have an idea but I don't know is it possible or not. I think I can detect shiny ball but any way ... I have a silver shiny ball. How can i detect it using opencv with C++ or Python...
View ArticleHow to Select Energy Applications For Design Engines
Today people have no time to spare in social works because life today is becoming so busy for everybody. People find it hard to get some time to profit the poor and needy. There are some mission trips...
View Articlerecoverpose
Just a simple question, in these two statements E = cv::findEssentialMat( points1, points2, focal, pp, cv::RANSAC, 0.999, 1.0, mask); cv::recoverPose(E, points1, points2, R, t, focal, pp, mask); Is...
View ArticleFeature Extraction using PCA in opencv 3.0 c++
I'm new to opencv 3.0 and I need help . [ Using PCA module to extract the features from contour of image.(feature extraction)] All images of the training set are stored in a single matrix T, where each...
View ArticleUnexpected result with RGB Histogram Backprojection
I noticed that when I apply cv2.calcBackProject on the pixel [b,v,r], it returns the backprojection on the pixel [b,v,0], the third channel's value is ignored while my histogram looks fine. Here is my...
View ArticleWhy MORPH_ELLIPSE kernel is slower than MORPH_RECT and others?
I was doing some dilation and erosion operations and noticed that MORPH_ELLIPSE kernel takes much more time than MORPH_RECT and MORPH_CROSS kernel. A similar question and finding is also posted in...
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