Scalable video summarization and navigation system and method

摘要

A method and system for automatically summarizing a video document. The video document is decomposed into scenes, shots and frames, and an importance value is assigned to each scene, shot and frame. Keyframes are allocated among the shots based on the importance value of each shot. The allocated number of keyframes are then selected from each shot. The number of keyframes may be altered for greater or lesser detail in response to user input.