How to extract the text displayed in a dot matrix LED display?

I need to extract the number from a display(LED dot matrix) Sample Image: I am using the example code given by p...

Kinect Depth Image?

In my application I am getting the depth frame similar to the depth frame retrieved from Depth Basics Sample. What I...

Trouble fitting depth image to RGB image using Kinect 1.0 SDK?

I'm trying to get the Kinect depth camera pixels to overlay onto the RGB camera. I am using the C++ Kinect 1.0 SDK w...

How to extract account number in cheque/check images?

I am working on a task to extract the account number from cheque images. My current approach can be divided into 2 s...

Image recognition using SURF with OpenCV in Android?

I'm trying to build a simple leaf recognition app with Android and OpenCV; my database consist in just 3 entries (3 ...

Camera pixels to planar world points given 4 known points?

My problem I am assuming is easy, but I still haven't been able to solve it due to my experience in linear algebra a...

How can I make black color to transparent color??

I have image: Image<Bgr,Byte> someImage = new Image<Bgr,Byte>(someImage.jpg); How can I make all...

Image-Processing: Converting normal pictures into FishEye images with intrinsic matrix?

I need to synthesize many FishEye images with different intrinsic matrices based on normal pictures. I am following ...

How to detect hologram overlays like the ones in ID Cards??

Is there any good way to detect the holograms inside security documents like identity cards? I've tried quite a few ...

Logo detection problems using OpenCV?

I'm working on a small project trying to detect logos in images via OpenCV. There may be many logos so that's why I ...

OpenCV bilinear downsampling with non-integer scaling?

I need help in figuring out the algorithm/implementation OpenCV is using for image-downsampling with non-linear scal...

How to detect doors and windows from a floor plan image??

I am working on floor plan analysis where I want to detect the number of doors and windows in floor plan images. How...