Robust tracking of blobs?

I have an image feature extraction problem. The input images are binary (black and white) and may contain blobs of ...

How to detect black shaped contour on photo with OpenCV-Python?

I am trying to detect black shape on photo like this. So far i have picture with shape but still on there is man...

How to determine whether two edge images should match?

I am using background subtraction to see if something has entered the viewpoint of my camera. Sometimes, this is re...

Finding separate centroids of each white spots in a frame??

I'm doing finger detection i.e. the fingertips using VGA camera. I have used HSV and image thresholding and I am abl...

Align profile face image with its frontal face image?

I have a profile face: and a frontal face image: Output: aligned profile face with reference to frontal face. ...

Scikit-image: how to reduce broken line segments, overlapping lines??

I'm currently working on a project to find straight lines and the length of these lines in an image that looks like ...

How to obtain the index value from an indexed image in MATLAB??

I have an indexed image loaded in MATLAB and if I use the data cursor, I able to obtain the X, Y,RGB and Index value...

OpenCV Error: (-215)size.width>0 && size.height>0 in function imshow?

I am trying to make a face tracker that combines Haar Cascade Classification with Lucas Kanade good feature detectio...

How to detect symbols on a image and save it??

I've created simple neural network which can recognize separate digits and characters. I want the neural network to ...

Image comparison - fast algorithm?

I'm looking to create a base table of images and then compare any new images against that to determine if the new im...

How to draw a rectangle around a region of interest in python?

I'm having trouble with import cv in my python code. My issue is I need to draw a rectangle around regions of inter...

Detecting tennis court lines intercepts?

I am trying to improve my code to find the tennis court line intercepts so that I can find the boundaries of the dif...

numpy with python: convert 3d array to 2d?

Say that I have a color image, and naturally this will be represented by a 3-dimensional array in python, say of sha...

What is the definition of a “disparity map”??

I've been asked to implement an edge-based disparity map, but I fundamentally don't understand what a disparity map ...