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ICIP
2004
IEEE
15 years 12 months ago
Learning structured dictionaries for image representation
The dictionary approach to signal and image processing has been massively investigated in the last two decades, proving very attractive for a wide range of applications. The effec...
Gianluca Monaci, Pierre Vandergheynst
ICIP
2004
IEEE
15 years 12 months ago
JPEG2000 vs. JPEG from an image retrieval point of view
It is well known that JPEG2000 has a variety of advantages over its predecessor JPEG. JPEG2000 not only allows images to be coded with clearly better visual image quality, it also...
Gerald Schaefer
98
Voted
ICIP
2004
IEEE
15 years 12 months ago
Motion-based shape error concealment for object-based video
In this paper, an original motion-based shape error concealment technique, especially useful for object-based video applications in error-prone environments such as mobile network...
Luis Ducla Soares, Fernando Pereira
ICIP
2004
IEEE
15 years 12 months ago
Drift reduction for a H.264/AVC fine grain scalability with motion compensation architecture
The recent advances in non-scalable video encoding brought by the H.264/AVC standard offered significant improvements in terms of rate-distortion performance. This paper proposes ...
João Ascenso, Fernando Pereira
91
Voted
ICIP
2004
IEEE
15 years 12 months ago
Estimation of attacker's scale and noise variance for qim-dc watermark embedding
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore, the scaling factor needs to be estimated at the decoder side, such that the received (attac...
Reginald L. Lagendijk, Ivo D. Shterev