is there a better way to recover 16UC bit values?
Hi guys, let's say that I have a `CV_16UC1` matrix with 16bit unsigned short values which it needs to be transformed to `CV_8UC1` for now no any further process in between and then back to `CV_16UC1`....
View ArticleEye detection and tracking
recently many questions were asked about the eye detection. for practise purpose, i tried to implement an initial code about this subject. my main idea is based on detecting the eye pair and later...
View ArticleHow to use openCV lib in an Eclipse RCP App.
Hello, I want to use opencv library with its native library in my **RCP App**. Everything is fine if I add the jar lib in plugin class path using Build Path -> Configure Build Path... etc. and...
View Articleopencv java server display image
I have a camera feed that I capture pictures and do some manipulation. What would be the best way to display them in a client Web Browser? I don't know what I should do with the Mat image.
View ArticleBRISK Detector with RANSAC
HI, I find the keypoint and the match between two images with BRISK ( I have to use it ) but now I need to use RANSAC to estimate the correspondence better than the only matcher function. Can you help...
View Articlecoordinate and dimension of rectangle
Hello guys, I apologize for my bad English. I have a problem. I found this source. It works, because it identifies the rectangles that make up the picture. Only that I should extract from the each...
View ArticleNew Techniques Found in Laser Decoration Process!
Software program algorithms has to be able to generate intelligent decisions based on these types of patterns then apply them to further data. Christ said, "The truth will set you free. " (Jn almost...
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Hints To Determine The Right Site For The Company Event
For those companies who want to bring some cohesiveness to their workforce, Dallas team building events are por great way to do it. Even Dallas corporate events will be able to house and entertain vast...
View Articlefatal error: opencv2/photo.hpp
Hello, I am compiling the artoolkit from Daqri which relies on OpenCV. When i run make it reports this error..... fatal error: opencv2/photo.hpp: No such file or directory In Ubuntu.... I have...
View ArticleHow to use Train cascade?
I have to detect hand in a video file hence I think that train cascade could be used to do that. I have already taken some pictures for positive and negative images. What are the next steps to do? I...
View ArticleFlann index for video duplicate finding
I am writing a program to find duplicate videos, I am pulling frames every 500ms and using ORB to compute. I was looking at using FLANN for matching and heard about index. Reading further it says that...
View ArticleUbuntu eclipse error opencv while build(c++)?
Cannot build the project there is no BINARY file in the project(that is created in with INCLUDE and main.cpp) It is showing this error make all Building target: xs Invoking: GCC C++ Linker g++...
View ArticleVideo Stabilization using OpenCV's videostab file
I'm using videostab file provided in OpenCV folder but the output is not stabilized and the generated output "stabilized.avi" is exact the copy of input video. How can I improve the quality? This video...
View Articleopencv make
Hi All, I face an error when install opencv. The error is： Generating pyopencv_generated_include.h, pyopencv_generated_funcs.h, pyopencv_generated_types.h, pyopencv_generated_type_reg.h,...
View ArticledetectMultiscale fails when weights are requested
Hello, When weights and rejection levels are requested, detectMultiscale always returns a square at the center of the image, regardless of the image. Minimal working example: (the image I used is...
View Articleopencv RANSAC random sequence
i use findhomography and findfundamental algorithm in my code. but when i use this with ransac findHomography(src_points, dst_points, Matches_Info.inliers_mask, CV_RANSAC, 3.0);...
View Articleerror :could not find glib-genmarshal in your path
i have start (cross compiling opencv) by using LTIB to cross compile opencv for ARM but i got one error where i am stuck error :could not find glib-genmarshal in your path glib-2.0 package are failed...
View ArticleReading GEO Tiff
Hi everone. I build an OPENCV3.0 project in order to read big geo tiff satellite images. I was able to link gdal lib to OCV but still have problems opening tiffs. I am not sure if the there are 2...
View ArticleHaarcascade or HOG for lego identification ?
Hi everyone, I would like to devellop a system to identify lego blocks, the aim is to verify if a lego set (a set of different lego blocks) is full using a single image for identification. The system...
View ArticleContour Numbering Doubt
Hi Guys I Have an image as shown  This is a simple code to create contour around the rectangular boxes. import numpy as np import cv2 img =...
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