Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition

Question

One of the most interesting projects I\'ve worked on in the past couple of years was a project about image processing. The goal was to develop a system to be able to recogni

Answer 1

I like the challenge and wanted to give an answer, which solves the issue, I think.

1. Extract features (keypoints, descriptors such as SIFT, SURF) of the logo
2. Match the points with a model image of the logo (using Matcher such as Brute Force )
3. Estimate the coordinates of the rigid body (PnP problem - SolvePnP)
4. Estimate the cap position according to the rigid body
5. Do back-projection and calculate the image pixel position (ROI) of the cap of the bottle (I assume you have the intrinsic parameters of the camera)
6. Check with a method whether the cap is there or not. If there, then this is the bottle

Detection of the cap is another issue. It can be either complicated or simple. If I were you, I would simply check the color histogram in the ROI for a simple decision.

Please, give the feedback if I am wrong. Thanks.