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MMM
2007
Springer
138views Multimedia» more  MMM 2007»
14 years 2 months ago
Subtrajectory-Based Video Indexing and Retrieval
This paper proposes an approach for retrieving videos based on object trajectories and subtrajectories. First, trajectories are segmented into subtrajectories according to the char...
Thi-Lan Le, Alain Boucher, Monique Thonnat
ICMCS
2006
IEEE
181views Multimedia» more  ICMCS 2006»
14 years 1 months ago
A Fast Downsizing Video Transcoder for H.264/AVC with Rate-Distortion Optimal Mode Decision
This paper focuses on the mode decision and motion selection problem when H.264/AVC video streams are transcoded in spatial resolution. A fast downsizing transcoding scheme is dev...
Huifeng Shen, Xiaoyan Sun, Feng Wu, Houqiang Li, S...
PCM
2005
Springer
133views Multimedia» more  PCM 2005»
14 years 1 months ago
Optimum Quantization Parameters for Mode Decision in Scalable Extension of H.264/AVC Video Codec
In the joint scalable video model (JSVM), selection of quantization parameters for mode decision (QPMD) and bit rate control (QPBC) is important for efficient coding performance. F...
Seung Hwan Kim, Yo-Sung Ho
ISCAS
2003
IEEE
84views Hardware» more  ISCAS 2003»
14 years 1 months ago
Performance optimization for motion compensated 2D wavelet video compression techniques
In this paper we present two performance optimization methods for a motion compensated (MC) 2D wavelet video coding technique, which is based on two of the current stateof-the-art...
Zhen Li, Feng Wu, Shipeng Li, Edward J. Delp
IEEEMSP
2002
IEEE
110views Multimedia» more  IEEEMSP 2002»
14 years 20 days ago
Summarizing video using non-negative similarity matrix factorization
Abstract— We present a novel approach to automatically extracting summary excerpts from audio and video. Our approach is to maximize the average similarity between the excerpt an...
Matthew L. Cooper, Jonathan Foote