SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
— In the reversible conversion of color images to gray ones, colors are mapped to textures and from the textures the receiver can recover the colors, i.e. one may print a color i...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
Dental biometrics is used in forensic dentistry to identify or verify persons based on their dental radiographs. This paper presents a method for human identification based on den...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
This paper presents a new approach to multiple objects tracking that combines particle filters and k-means. The approach has been tested under an important real world situation, ...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
We address the problem of binary image operator design over large windows by breaking it into two phases. Firstly, we design several operators over small sub-windows of the main w...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
This paper presents a data hiding technique for printed bicolor documents. It inserts tiny dots, hardly noticeable at normal reading distance, to embed the message. For message ex...
SIBGRAPI
2007
IEEE
14 years 5 months ago
2007
IEEE
Video clip localization consists in identifying real positions of a specific video clip in a video stream. To cope with this problem, we propose a new approach considering the ma...
PG
2007
IEEE
14 years 5 months ago
2007
IEEE
We propose a technique for fusing a bracketed exposure sequence into a high quality image, without converting to HDR first. Skipping the physically-based HDR assembly step simpli...
PG
2007
IEEE
14 years 5 months ago
2007
IEEE
This paper presents an image-space approximation technique for real-time subsurface scattering. We first create transmitted irradiance samples on shadow maps and then estimate si...
PG
2007
IEEE
14 years 5 months ago
2007
IEEE
Radiometric compensation techniques allow seamless projections onto complex everyday surfaces. Implemented with projector-camera systems they support the presentation of visual co...
PG
2007
IEEE
14 years 5 months ago
2007
IEEE