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ICIP
2002
IEEE
14 years 11 months ago
Regular spatial B-spline active contour for fast video segmentation
This paper deals with fast video segmentation using active contours. Region-based active contours is a powerful technique for video segmentation. However most of these methods are...
Frédéric Precioso, Michel Barlaud
ICIP
2002
IEEE
14 years 11 months ago
Automatic threshold determination of centroid-linkage region growing by MPEG-7 dominant color descriptors
The emerging MPEG-7 standard embodies a visual descriptor that will be associated with the dominant colors of an image. In this contribution, a threshold adaptation method for reg...
Fatih Porikli
ICIP
2002
IEEE
14 years 11 months ago
Building adaptive 2D wavelet decompositions by update lifting
This paper discusses a method for the construction of nonlinear 2D wavelet decompositions using an adaptive update lifting scheme. A very interesting aspect is that the decomposit...
Béatrice Pesquet-Popescu, Gemma Piella, Hen...
ICIP
2002
IEEE
14 years 11 months ago
Quantized projection data hiding
In this paper we propose a novel data hiding procedure called Quantized Projection (QP), that combines elements from quantization (i.e. Quantization Index Modulation, QIM) and spr...
Fernando Pérez-González, Féli...
ICIP
2002
IEEE
14 years 11 months ago
Progressive image transmission over a noisy channel using wavelet transform and channel optimized vector quantization
This paper studies a progressive image transmission technique over waveform channels. The Channel Optimized Vector Quantization codec (COVQ) [1] is applied to the image wavelet co...
Inmaculada García, José L. Pé...
ICIP
2002
IEEE
14 years 11 months ago
Channel adapted multiple description coding scheme using wavelet transform
A challenge of image communication over unreliable channels is to achieve good compression rates and be effective in presence of channel failures. In this work we use the Multiple...
Manuela Pereira, Marc Antonini, Michel Barlaud
ICIP
2002
IEEE
14 years 11 months ago
Updating mixture of principal components for error concealment
This paper is organized as follows. In Section 2, we formulate the proposed UMPC method for modeling nonstationary and multi-modal data. Both MPC and UPC are shown to be special ca...
Trista Pei-chun Chen, Tsuhan Chen
ICIP
2002
IEEE
14 years 11 months ago
Automatic 3D model reconstruction using voxel coding and pose integration
Automatic reconstruction of a complete 3D model of a complex object is presented. The complete 3D model is reconstructed by integrating two 3D models which are reconstructed from ...
Soon-Yong Park, Murali Subbarao
ICIP
2002
IEEE
14 years 11 months ago
Visualization of high dynamic range images
A novel paradigm for information visualization in high dynamic range images is presented in this paper. These images, real or synthetic, have luminance with typical ranges many or...
Alvaro Pardo, Guillermo Sapiro
ICIP
2002
IEEE
14 years 11 months ago
Extraction of semantic objects from still images
In this work, we study the extraction of semantic objects from still images. We combine different ideas to extract them in a structured manner together with a perceptual metric th...
Alvaro Pardo