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PCM
2004
Springer
114views Multimedia» more  PCM 2004»
15 years 9 months ago
Key Techniques of Bit Rate Reduction for H.264 Streams
In previous techniques of bit rate reduction transcoding, reusing the mode of the input MB is widely adopted. However, directly re-using the mode of input MB will cause additional ...
Peng Zhang, Qingming Huang, Wen Gao
ISMAR
2003
IEEE
15 years 9 months ago
Robust Visual Tracking for Non-Instrumented Augmented Reality
This paper presents a robust and flexible framework for augmented reality which does not require instrumenting either the environment or the workpiece. A model-based visual track...
Georg S. W. Klein, Tom Drummond
ICRA
2002
IEEE
112views Robotics» more  ICRA 2002»
15 years 9 months ago
Control of a Quadrotor Helicopter using Visual Feedback
We present control methods for an autonomous four-rotor helicopter, called a quadrotor, using visual feedback as the primary sensor. The vision system uses a ground camera to esti...
Erdinç Altug, James P. Ostrowski, Robert E....
ICRA
2002
IEEE
152views Robotics» more  ICRA 2002»
15 years 9 months ago
Needle Insertion Modelling and Simulation
Abstract—A methodology for estimating the force distribution that occurs along a needle shaft during insertion is described. To validate the approach, an experimental system for ...
Simon P. DiMaio, S. E. Salcudean
141
Voted
ISVLSI
2002
IEEE
155views VLSI» more  ISVLSI 2002»
15 years 8 months ago
A High Speed Shift-Invariant Wavelet Transform Chip for Video Compression
Wavelet-based video compression can provide improved codec and bit rates. The shift-variance problem of the discrete wavelet transform on image sequences, however, may cause large...
Henry Y. H. Chuang, David P. Birch, Li-Chang Liu, ...