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» Image Processing: Principles and Applications
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CGF
2010
148views more  CGF 2010»
15 years 4 months ago
Two Methods for Fast Ray-Cast Ambient Occlusion
Ambient occlusion has proven to be a useful tool for producing realistic images, both in offline rendering and interactive applications. In production rendering, ambient occlusion...
Samuli Laine, Tero Karras
113
Voted
ICIP
2005
IEEE
16 years 6 months ago
Segmenting small regions in the presence of noise
Binary segmentation, a problem of extracting foreground objects from the background, often arises in medical imaging and document processing. Popular existing solutions include Ex...
Rashi Samur, Vitali Zagorodnov
121
Voted
MMSEC
2004
ACM
126views Multimedia» more  MMSEC 2004»
15 years 10 months ago
Key-dependency for a wavelet-based blind watermarking algorithm
When a host image is watermarked multiple times by the same algorithm collisions can occur. This makes it difficult for an image to host multiple watermarks. But this hosting is n...
Michael Brachtl, Andreas Uhl, Werner Dietl
DAS
2004
Springer
15 years 10 months ago
Tilting at Windmills: Adventures in Attempting to Reconstruct Don Quixote
Despite the current practice of re-keying most documents placed in digital libraries, we continue to try to improve accuracy of automated recognition techniques for obtaining docum...
A. Lawrence Spitz
ICIP
2008
IEEE
16 years 6 months ago
Dark line detection with line width extraction
Automated line detection is a classical image processing topic with many applications such as road detection in remote images and vessel detection in medical images. Many traditio...
Qin Li, Lei Zhang, Jane You, David Zhang, Prabir B...