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ICMCS
2006
IEEE
136views Multimedia» more  ICMCS 2006»
15 years 3 months ago
Enhanced Semi-Supervised Learning for Automatic Video Annotation
For automatic semantic annotation of large-scale video database, the insufficiency of labeled training samples is a major obstacle. General semi-supervised learning algorithms can...
Meng Wang, Xian-Sheng Hua, Li-Rong Dai, Yan Song
ICMCS
2006
IEEE
128views Multimedia» more  ICMCS 2006»
15 years 3 months ago
Image Watermarking based on Genetic Algorithm
In order to improve the robustness and imperceptibleness of the image spread spectrum watermark algorithm, a new approach for optimization in 8×8 DCT domain using genetic algorit...
Zhicheng Wei, Hao Li, Jufeng Dai, Sashuang Wang
ISCAS
2006
IEEE
85views Hardware» more  ISCAS 2006»
15 years 3 months ago
Analog frequency response measurement in mixed-signal systems
—We present an efficient approach for on-chip frequency response measurement, including phase and gain, of analog circuitry in mixed-signal systems. The approach uses direct digi...
Charles E. Stroud, Dayu Yang, Foster F. Dai
PR
2007
145views more  PR 2007»
14 years 9 months ago
Face recognition using a kernel fractional-step discriminant analysis algorithm
Feature extraction is among the most important problems in face recognition systems. In this paper, we propose an enhanced kernel discriminant analysis (KDA) algorithm called kern...
Guang Dai, Dit-Yan Yeung, Yuntao Qian
JUCS
2006
83views more  JUCS 2006»
14 years 9 months ago
Ridge Orientation Estimation and Verification Algorithm for Fingerprint Enhancement
: Fingerprint image enhancement is a common and critical step in fingerprint recognition systems. To enhance the images, most of the existing enhancement algorithms use filtering t...
Li-min Liu, Tian-Shyr Dai