337 search results - page 25 / 68 » Document Image Matching Based on Component Blocks |
ISW
2000
Springer
15 years 3 months ago
2000
Springer
Generally, low frequency domain may be useful to embed a watermark in an image. However, if a watermark is embedded into low frequency components, blocking effects may occur in the...
121
click to vote
ICCV
2007
IEEE
16 years 1 months ago
2007
IEEE
Traditional image retrieval methods require a "query image" to initiate a search for members of an image category. However, when the image database is unstructured, and ...
117
click to vote
ICIP
2007
IEEE
15 years 6 months ago
2007
IEEE
This paper presents some techniques for efficient motion estimation (ME) implementation on fixed-point digital signal processor (DSP) for high resolution video coding. First, chal...
ICDAR
2003
IEEE
15 years 5 months ago
2003
IEEE
In this paper we present a new postal envelope segmentation method based on 2-D histogram clustering and watershed transform. Segmentation task consists in detecting the modes ass...
109
click to vote
ICIP
2006
IEEE
16 years 1 months ago
2006
IEEE
We focus on motion estimation using a block matching approach and suggest using a minimum-entropy criterion. Many entropy-based estimation procedures exist, such as plug-in estima...