Sciweavers

139 search results - page 19 / 28
» Parametric video compression using appearance space
Sort
View
TOG
2008
125views more  TOG 2008»
14 years 9 months ago
Factoring repeated content within and among images
We reduce transmission bandwidth and memory space for images by factoring their repeated content. A transform map and a condensed epitome are created such that all image blocks ca...
Huamin Wang, Yonatan Wexler, Eyal Ofek, Hugues Hop...
PAA
2008
14 years 9 months ago
Recognising facial expressions in video sequences
Abstract We introduce a system that processes a sequence of images of a front-facing human face and recognises a set of facial expressions. We use an efficient appearance-based fac...
José Miguel Buenaposada, Enrique Muñ...
CVPR
2005
IEEE
15 years 3 months ago
Online Selecting Discriminative Tracking Features Using Particle Filter
The paper proposes a method to keep the tracker robust to background clutters by online selecting discriminative features from a large feature space. Furthermore, the feature sele...
Jianyu Wang, Xilin Chen, Wen Gao
ICMCS
2005
IEEE
67views Multimedia» more  ICMCS 2005»
15 years 3 months ago
Head-size equalization for better visual perception of video conferencing
In a video conferencing setting, people often use an elongated meeting table with the major axis along the camera direction. A standard wide angle perspective image of this settin...
Zicheng Liu, Michael F. Cohen
MM
1993
ACM
104views Multimedia» more  MM 1993»
15 years 1 months ago
Panoramic Overviews for Navigating Real-World Scenes
This paper describes an interface which helps people maintain a sense of spatial context while navigating virtual real-world scenes. First, a single panoramic image of the entire ...
Laura Teodosio, Michael Mills