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ICIP
2001
IEEE
16 years 8 months ago
Geometric hashing techniques for watermarking
In this paper we introduce the idea of using Computer Vision techniques for improving and enhancing watermarking capabilities. Specifically, we incorporate Geometric Hashing techn...
Hagit Zabrodsky Hel-Or, Y. Yitzhaki, Yacov Hel-Or
ICIP
2001
IEEE
16 years 8 months ago
An analysis of subjective quality in low bit rate video
A subjective quality evaluation was performed to quantify viewer responses to various visual defects that appear in low bit rate video, both at full and reduced frame rates. The s...
Mark Masry, Sheila S. Hemami
ICIP
2001
IEEE
16 years 8 months ago
Bayesian high-resolution reconstruction of low-resolution compressed video
A method for simultaneously estimating the high-resolution frames and the corresponding motion field from a compressed low-resolution video sequence is presented. The algorithm in...
Rafael Molina, Aggelos K. Katsaggelos, Javier Mate...
ICIP
2001
IEEE
16 years 8 months ago
A rate-distortion optimal video pre-processing algorithm
Pre-processing algorithms improve the quality of a compression system by removing unimportant data before encoding. This enhances both the visual quality and coding efficiency of ...
C. Andrew Segall, Passant V. Karunaratne, Aggelos ...
ICIP
2000
IEEE
16 years 8 months ago
Compression Tolerant Watermarking for Image Verification
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
Harpal S. Bassali, Jatin Chhugani, Saurabh Agarwal...