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» The Dimensionality of Scene Appearance
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ICPR
2008
IEEE
15 years 6 months ago
Spatio-temporal patches for night background modeling by subspace learning
In this paper, a novel background model on spatio-temporal patches is introduced for video surveillance, especially for night outdoor scene, where extreme lighting conditions ofte...
Youdong Zhao, Haifeng Gong, Liang Lin, Yunde Jia
ICDAR
2007
IEEE
15 years 6 months ago
Camera-Based Graphical Symbol Detection
In this paper we present a method to locate and recognize graphical symbols appearing in real images. A vectorial signature is defined to describe graphical symbols. It is formul...
Marçal Rusiñol, Josep Lladós,...
PG
2007
IEEE
15 years 6 months ago
Illumination Brush: Interactive Design of All-Frequency Lighting
We present an appearance-based user interface for artists to efficiently design customized image-based lighting environments. 1 Our approach avoids typical iterations of paramete...
Makoto Okabe, Yasuyuki Matsushita, Li Shen, Takeo ...
ACCV
2007
Springer
15 years 6 months ago
Multiperspective Distortion Correction Using Collineations
We present a new framework for correcting multiperspective distortions using collineations. A collineation describes the transformation between the images of a camera due to change...
Yuanyuan Ding and Jingyi Yu
ICMCS
2006
IEEE
189views Multimedia» more  ICMCS 2006»
15 years 6 months ago
Multiscale Edge-Based Text Extraction from Complex Images
Text that appears in images contains important and useful information. Detection and extraction of text in images have been used in many applications. In this paper, we propose a ...
Xiaoqing Liu, Jagath Samarabandu