C++, MATLAB Make your visual vocabulary for bag-of-words representation. Needs OpenCV (tested only on OpenCV 2.1)

C++ Originally was designed to track faces, but can be used with any rectangular objects.

C++ An image representation used for expression recognition, proposed in BMVC'13 (see publications).

C++ Extracts visually salient patches automatically and uses them for loop closure.

Python (Django) The source code of this web page

MATLAB The entire stereo calibration code I used for my MSc thesis.

MATLAB Some MATLAB scripts to crop (de-rotate faces etc.) in a few popular face databases

LaTeX A template to use while responding to reviewers in peer-reviewed journals. You can enumerate comments and answers, and refer to other answers in the letter.