Tracking Coloured Objects in Video using OpenCV
TweetAs a newcomer to image processing, I have attempted to achieve the tracking of coloured objects in some sample video footage. In my case, my little one’s blue gloves moving in a snow-covered landscape (a bitterly cold Musselburgh allotments, December … Continue reading
Displaying AVI Video using OpenCV
TweetA short demonstration of how to use OpenCV to capture and display video frames from an avi file. The code demonstrates how to capture video from an example video (avi) file, get information in the form of frames per sec. … Continue reading
Analyzing FlyCapture2 Images obtained from Flea2 Cameras
TweetFlea2 Camera Physical Layout The photograph shows the physical setup for grabbing images from a Flea2 camera (by Point Gray Research) mounted above a Xaar inket printer. This represents a prototype used to obtain images of microarray spots printed to … Continue reading
Integrating the FlyCapture SDK for use with OpenCV
TweetIntroduction A recent stab at grabbing images from the Flea2 camera using APIs from the FlyCapture2 SDK by Point Gray Research (PGR). Additionally, the camera was to be used in “Format 7 mode”, so that we may grab partial regions of … Continue reading
OpenCV Detection of Dark Objects Against Light Backgrounds
TweetThe results of some experimentation with and comparison between raw OpenCV functions and the cvBlobsLib library to detect darker coloured spots against lighter backgrounds. For guidance on how to set up OpenCV / cvBlobsLIb for use in Visual Studio Environments, … Continue reading
Getting Started with OpenCV in Visual Studio
TweetOpenCV is a free, open source library that enables your computer application to “see” and make decisions from the image data it acquires. Here are some guides for setting up OpenCV for use in Microsoft Visual Studio Environments: Installing OpenCV … Continue reading
Object Detection Using the OpenCV / cvBlobsLib Libraries
TweetA short example of how to utilize various open source library functions that can be used to identify and analyse strongly connected components for a given input image. In the example I have given here, the image represents microarray sample … Continue reading