5052 search results - page 27 / 1011 » On the Complexity of Ordered Colorings |
PR
2007
13 years 8 months ago
2007
We present a new contrast enhancing color to grayscale conversion algorithm which works in real-time. It incorporates novel techniques for image sampling and dimensionality reduct...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
A fast rate-distortion analytical framework for the PSNR-based optimization of JPEG baseline compression on color images is proposed in this paper. The analysis is conducted in th...
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
Tracking and recognizing non-rigid objects in video image sequences are complex tasks of increasing importance to many applications. In this paper, we present a hierarchical reali...
ESA
2004
Springer
14 years 1 months ago
2004
Springer
We show the first o(n2 ) algorithm for coloring vertices of trianglefree planar graphs using three colors. The time complexity of the algorithm is O(n log n). Our approach can be ...
DAM
2006
13 years 8 months ago
2006
Given a rectangular array where entries represent the pixels of a digitalized image, we consider the problem of reconstructing an image from the number of occurrences of each colo...