Open Computer Vision

December 20, 2008

Red blob detection from video

This post is all about the red Blob Detection from a Video.This is the post you should be looking on if you are here for blob Detection.Here the method which I have used is the Color Space conversion and then the detection using some more functions.So if you are looking for Color recognition then youre at the right place… (more…)

December 19, 2008

Creating Your own Videos in OpenCV

Filed under: Uncategorized — colouredpages @ 11:14 am

Don’t you want to convert all the images which you have of your friends or a collection of good images ..the images which you like ..convert them into a video..?

Yes…You can do it some very small code…here it goes…So now let’s speak about making your own videos in OpenCV without a help of a camera. (more…)

May 11, 2008

cvSobel Operation

Filed under: Edge detection,OpenCV Sobel Operation,Uncategorized — colouredpages @ 3:38 pm

Here this post demonstrates the sobel operator..the double differentiation on the picture do you remember …? since this is double differentiation on the input the output is very dull you need to observe the output very closely. Have fun differentiating the input Image. (more…)

May 8, 2008

Monochrome Images from Color Images

Filed under: Extracting channels,Image Processing,OpenCV,Uncategorized — colouredpages @ 1:07 pm

This post shows exactly how to play with the images channels throw it to the back or use a single channel to do something else.In this post I have taken a three channel Image and then I have made another Image and taken out one of the channel from the color image and pasted in this monochrome image… (more…)

Playing with Images in Open Computer Vision

Filed under: Uncategorized — colouredpages @ 8:58 am

Just the Basics about what are images ..Here you would get to know about what are Images more than what is OpenCV and in this post I have worked on a very low level basics about what is an image and how to extract the channels and make it work according to your satisfaction…So if you are an OpenCV beginner and you want to get a good basic knowhow about images and want to work with some good basics .. (more…)

April 9, 2008

Thresholding with an OpenCV Function

Filed under: Uncategorized — colouredpages @ 6:12 pm

Thresholding is very very Important aspect in any field and not just in Open Computer Vision..but in Image processing you need to specify some conditions which is very frequently Thresholding and this is what is the main concern of this post.Here you would get to know about what is Thresholding and also how to use the same and when its required.In almost every program you would specify to extract a pixel above a certain value which is nothing but thresholding ….. (more…)

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