Setting up MLP for image recognition
Hi! I am new in OpenCV world and neural networks but I have some coding experience in C++/Java. ---------- I created my first ANN MLP and learned it the XOR: #include #include #include #include...
View ArticleOpenCV IOS Swift 2 :How to implement the CvVideoCameraDelegate protocol to...
Okay so I've been using OpenCV and want to use it for IOS with Swift 2.0... I successfully implemented it and I tested it with a few functions/examples, it worked fine! But The application in thought...
View ArticleHow to solve overlapping in blob ?
Sorry for make a question again. I try this for blob in Android. and draw rectangle too, i mean for show scala too, but i don't know how to doing. And i try to modification this part. but still...
View ArticleMatching images from scientific papers using SIFT: sub image enumeration...
I'm searching for duplicates within a group of images which where extracted from scientific papers. The problem is that some of those images have enumerations, i.e. "A", "B", ... which leads to a high...
View Articlewhich distance does the opencv KNN algorithm use?
I use opencv KNN but i would know which distance this algorithm use :euclidean, hamming ...
View ArticleFourier Descriptor implementation using OpenCV
I am looking for a working opencv implementation, for Fourier Descriptors (which are translation, scale and rotation invariant) for closed contours . This a really good explanation :...
View Articleduplicate lines from hough transform
Hello, I am using the probabilistic hough transform to convert a set of LRF (Laser Range Finder) data to lines. The problem is that the lines from hough are duplicated many times .. is there a...
View ArticleSeeking part-time Python, OpenCV, Tesseract Developer
*This is a follow up to an earlier post, except we are now broadening our range to include anyone located anywhere (not just locally). We are also giving a better explanation of what is needed. We need...
View ArticleOpenCV IOS Swift 2 :How to implement the CvVideoCameraDelegate protocol...
Okay so I've been using OpenCV and want to use it for IOS with Swift 2.0... I successfully implemented it and I tested it with a few functions/examples, it worked fine! But The application in thought...
View ArticleDepilación laser En Casa
En Sapphire fabricamos nuestro Lļæ½ser de diodo ļæ½ntegramente en Espaļæ½a ofertando soporte tļæ½cnico propio con una respuesta de 72H en el territorio nacional. Ahora se presentan las preguntas mļæ½s frecuentes...
View Articlespeed of top hat filter
Hi, I have a problem with speed of a top hat filter. In an IEEE transaction paper, the running time of **top hat** applied to an image with resolution 320Ć 256 is estimated 0.0062 second with MATLAB...
View ArticleBebopVideoView to Mat
Hello. I come up against the great problem. I`m try to BebopVideoView to Mat. (BebopVideoView is parrot drone source code) But I was failed for several days. Here is the code. package...
View Articleopencv_createsamples don't generate enough positive samples
I'm trying to generate positive samples for haar training using opencv_createsamples with one positive image and 6 background images. When I specify number of samples to be generated using -num it's...
View ArticleProblem of predicting model via loading SVM(opencv3.0.0+vs2013)
OpenCV3.0.0+VS2013 The results after training is different with original predict after reloading model. ////////////////////////////////////////////////////////////// Ptr svm = SVM::create();...
View Articlecannnot statically compile opencv code
Hello, I have statically cross compiled opencv-2.4.13 for ARM , the installation directory is /Desktop/opencv-build. now I am trying to compile a simple opencv code that displays an image using this...
View ArticleDifficult edge detection using Canny
Hello, For a school project I am trying to perform Canny edge detection on images to be able to acquire the width of the object and thus figure out the distance camera/object. These images are...
View ArticleHow to detect scratches in wood
Hi there! I try to explain my problem.. I've an image of wood beam where I've to identify the scratches and flaws contained in. I've attached a picture to describe my problem. I've to identify the...
View Articlecv::format using locale decimal mark
I'm using OpenCV 3.1 from C++ and I want to store my matrix in Python format: errfile.open("errs.txt"); errfile << cv::format(errs, cv::Formatter::FMT_PYTHON) << std::endl; errfile.close();...
View ArticleHow to find the rotated angle of object
I am using the homography[this tutorial](http://answers.opencv.org/question/10022/the-homography-tutorial-in-java/) for pattern matching. It is working but i need to find the degree of rotation of that...
View Articleopencv_traincascade.exe crashes while at NEG current samples
My goal is to train a cascade to recognize a certain face of the dice. I have 106 non-generated samples converted into a vec file (named `dice1.vec`) by opencv_createsamples, with the params `-w 32...
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