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ICPR
2010
IEEE
14 years 7 months ago
Block Pyramid Based Adaptive Quantization Watermarking for Multimodal Biometric Authentication
This paper proposes a novel robust watermarking scheme to embed fingerprint minutiae into face images for multimodal biometric authentication. First, a block pyramid is layered ac...
Bin Ma, ChunLei Li, Yunhong Wang, Zhaoxiang Zhang,...
JIPS
2010
273views more  JIPS 2010»
14 years 4 months ago
Hiding Secret Data in an Image Using Codeword Imitation
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to...
Zhi-Hui Wang, Chin-Chen Chang, Pei-Yu Tsai
DICTA
2003
14 years 11 months ago
Image Error Concealment Based on Watermarking
Imperfect transmission of block-coded images often causes lost blocks. These blocks may contain very important information of image. In this paper a new error concealment scheme is...
Shinfeng D. Lin, Shih-Chieh Shie, Jie-Wei Chen
TIP
2010
124views more  TIP 2010»
14 years 8 months ago
Block-Based Image Compression With Parameter-Assistant Inpainting
Abstract—This correspondence presents an image compression approach that integrates our proposed parameter-assistant inpainting (PAI) to exploit visual redundancy in color images...
Zhiwei Xiong, Xiaoyan Sun, Feng Wu
IAJIT
2008
191views more  IAJIT 2008»
14 years 10 months ago
Novel Image Compression Using Multiwavelets with SPECK Algorithm
: Compression is the process of representing information in a compact form so as to reduce the bit rate for transmission or storage while maintaining acceptable fidelity or data qu...
Sudhakar Radhakrishnan, Jayaraman Subramaniam