A Sketch-Based Approach To Video Retrieval Using Qualitative Features
Koustav Ghosal, Anoop Namboodiri · 2014
Motion trajectories extracted from certain videos contain sufficient spatio-temporal information which can be effectively used to characterize those videos. But the task of framing text-based queries for such videos in content-based video retrieval systems is very complicated. Sketch based query is an efficient tool to construct motion-based queries but perceptual differences like spatial and temporal variability pose serious challenges to query modelling.