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ICIP
2007
IEEE
14 years 6 months ago
Compression Optimized Tracing of Digital Curves using Graph Theory
The use of an alphabet of line segments to compose a curve is a possible approach for curve data compression. An existing state-of-the-art method considers a quadtree decompositio...
András Hajdu, Ioannis Pitas
ICIP
2007
IEEE
14 years 6 months ago
Universal Camera Calibration with Automatic Distortion Model Selection
We present an optimized full scale automatic camera calibration approach which is both accurate and simple to implement. The method can be applied to a wide range of cameras equip...
Vitaly Orekhov, Besma R. Abidi, Christopher Broadd...
ICIP
2007
IEEE
14 years 6 months ago
Outer-Layer Based Tracking using Entropy as a Similarity Measure
Tracking can be achieved using region active contours based on homogeneity models (intensity, motion...). However the model complexity necessary to achieve a given accuracy might ...
Vincent Garcia, Sylvain Boltz, Eric Debreuve, Mich...
ICIP
2007
IEEE
14 years 6 months ago
Distributed Compression of Multi-View Images using a Geometrical Coding Approach
In this paper, we propose a distributed compression approach for multi-view images, where each camera efficiently encodes its visual information locally without requiring any col...
Nicolas Gehrig, Pier Luigi Dragotti
ICIP
2007
IEEE
14 years 6 months ago
Adaptive Cluster-Distance Bounding for Nearest Neighbor Search in Image Databases
We consider approaches for exact similarity search in a high dimensional space of correlated features representing image datasets, based on principles of clustering and vector qua...
Sharadh Ramaswamy, Kenneth Rose
ICIP
2007
IEEE
14 years 6 months ago
Dual-Layer Visual Vocabulary Tree Hypotheses for Object Recognition
This paper introduces an efficient method to substantially increase the recognition performance of a vocabulary tree based recognition system. We propose to enhance the hypothesi...
Sandra Ober, Martin Winter, Clemens Arth, Horst Bi...
ICIP
2007
IEEE
14 years 6 months ago
Multiscale Random Projections for Compressive Classification
We propose a framework for exploiting dimension-reducing random projections in detection and classification problems. Our approach is based on the generalized likelihood ratio te...
Marco F. Duarte, Mark A. Davenport, Michael B. Wak...
ICIP
2007
IEEE
14 years 6 months ago
An Image-Based Rendering (IBR) Approach for Realistic Stereo View Synthesis of TV Broadcast Based on Structure from Motion
In the past years, the 3D display technology has become a booming branch of research with fast technical progress. Hence, the 3D conversion of already existing 2D video material i...
Sebastian Knorr, Thomas Sikora
ICIP
2007
IEEE
14 years 6 months ago
A Novel Image Re-Indexing by Self Organizing Motor Maps
Palette re-ordering is a well known and very effective approach for improving the compression of color indexed images. If the spatial distribution of the indexes in the image is s...
Sebastiano Battiato, Francesco Rundo, Filippo Stan...
ICIP
2007
IEEE
14 years 6 months ago
Image Matting in the Framework of Quantification IV
Image matting and segmentation, which are used to extract a foreground object from the background, are primary techniques for digital image and video editing. In digital matting, ...
Takumi Kobayashi, Tadaaki Hosaka, Nobuyuki Otsu