Vignesh Srinivasan

Shot aggregating strategy for near-duplicate video retrieval: Feature representation for videos using shot detection, key frame extraction, fisher vector encoding and shot level aggregation of the descriptors. Application of these representations to near duplicate video retrieval.

Activity Recognition: Analysis of video streams to describe the scene content using Background subtraction, Blob tracking, Physical scene understanding, Colour identification and Optical flow detection in C/C++. Social Media Analysis: Analysis of the trends observed in Twitter data. Identify recurring patterns and event specific characteristics based on text analysis, image based analysis and location based analysis. Ranking of images and tweets based on similarity of features