Strange crashes during deallocation of std::vector (VS2015, Windows 7)
Hey all, I'm running OpenCV 2.4.11 on Windows 7, compiling with Visual Studio 2015. I've found that during several function calls (to `Stitcher::Stich` and `cv::findContours`, for example), there is a...
View Articlesimple blob Detection
Hi, I am trying to detect simple blobs in an image but while running code, I get the image without any keypoints plotted. Why am I not able to detect the blobs? import cv2 import numpy as np; im =...
View Articlehow to find object in opencv and repalce that with new pic in android?
how can I find the red object in the image below with Open CV in android and fill it by my pattern like second pic ? I need to create app to fill wall with pattern automatic when user click on a image...
View ArticleShape Distance Logic
I would like to ask the logic behind the shape distance provided in opencv 3.1 as I am confused by the results of using shape distance when comparing duplicated images. I used the shape distance...
View ArticleFind a rectangle and crop the area
Hello, how I can find a rectangle in CameraBridgeViewBase (Android), draw an outline on it and save this area? I research a lot but did not find anything very relevant. Thanks.
View ArticleMessage displayed at the end of execution
Greetings. I am creating an application with OpenCV and Qt. My program works correctly, but when execution completes shown the following message on the console:...
View Articlehttp://www.supplements4us.com/max-gain-xtreme/
Max Gain Xtreme Always take in enough vegetables. Proteins and carbohydrates are important in weight training, but vegetables should not be forgotten. But, vegetables offer important nutrients often...
View ArticleHow to add a face database in opencv face recognition andorid app?
I am new to android and opencv. i go through the opencv mobile app for face recogniton which is available in play store(...
View Articleassigning ID to individual blobs
Please assist. Is there any way I can assign detected blobs ids such that I can then refer to each from any where else in my code. say I want the first blob detected to have an ID = 001, second =002,...
View ArticleTrying to re-distort image points using projectPoints
Knowing things about a video-feed from a GoPro camera, I would like to draw on top of the image, which in terms requires me to go from undistorted to distorted image points. I've tried to use...
View ArticleBuilding OpenCV with MINGW-Builds gcc 6.1.0 (x86_64-win32-seh)
(Windows 10 64bit) Yeah. I am unable to build OpenCV from git (commit [1001b05](https://github.com/opencv/opencv/commit/1001b05def6d09051629755d9c9a2ec370b48a8d)) However i built without problem the...
View ArticleEmbed opencv in java project
Hi, Is there a way to kind of embed opencv in a java project so that it can run on a remote computer? I'm working on a project that involves writing image processing code in an AWS Lambda function and...
View ArticleBuild failed MACOS [OpenCV 3.1.0] - QTKit.h File not found
cap_qtkit.mm:46:9: fatal error: 'QTKit/QTKit.h' file not found #import
View ArticleHow can I do this? PSEye Capture Video
I need capture video from four cameras (PSEye) and save AVI files. I do not intend to use the data in real time. And I do not have much programming knowledge. It is possible to achieve this in a...
View Articleerror: identifier cv::Mat is undefined !!!
Hello Everyone , I am very new in OpenCv, so I am writing a code that will detect a face from webcam, but whenever i try to follow the sample code in the book i am using. The cv::Mat will not be...
View ArticleNuGet error: unknown command 'overlay'
Hi, I'm trying Microsoft-Caffe in Debug mode on Visual Studio Express 2013 for Windows Desktop update 5 with Nuget Package Manager Ver.2.12 So while building, output is filled in NuGet error: unknown...
View Articleoptic flow and video writer
Hi All, I'm using Optic flow (motempl) for motion detection. I'm trying to write a video if motion is detected, but i think i'm doing it wrong. I sort of integrated it (not perfectly i know) in that it...
View ArticleOpenCV Structure from Motion Reprojection Issue
I am currently facing an issue with my Structure from Motion program based on OpenCv. I'm gonna try to depict you what it does, and what it is supposed to do. This program lies on the classic...
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