Sciweavers

1383 search results - page 23 / 277
» Directionally adaptive super-resolution
Sort
View
ICIP
2007
IEEE
14 years 1 months ago
Lifting-Based Directional DCT-Like Transform for Image Coding
Traditional 2D DCT implemented by separable 1D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve ...
Hao Xu, Jizheng Xu, Feng Wu
ICDCN
2010
Springer
13 years 11 months ago
On Communication Complexity of Secure Message Transmission in Directed Networks
Abstract. We re-visit the problem of perfectly secure message transmission (PSMT) in a directed network under the presence of a threshold adaptive Byzantine adversary, having unbou...
Arpita Patra, Ashish Choudhary, C. Pandu Rangan
CTRSA
2007
Springer
112views Cryptology» more  CTRSA 2007»
14 years 1 months ago
Directed Transitive Signature Scheme
In 2002, Micali and Rivest raised an open problem as to whether directed transitive signatures exist or not. In 2003, Hohenberger formalized the necessary mathematical criteria for...
Xun Yi
AAAI
2008
13 years 9 months ago
Reasoning with Cardinal Directions: An Efficient Algorithm
Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus...
Xiaotong Zhang, Weiming Liu, Sanjiang Li, Mingshen...
TROB
2008
311views more  TROB 2008»
13 years 7 months ago
Smooth Vertical Surface Climbing With Directional Adhesion
Stickybot is a bio-inspired robot that climbs smooth vertical surfaces such as glass, plastic and ceramic tile at 4 cm/s. The robot employs several design principles adapted from t...
Sangbae Kim, Matthew Spenko, Salomon Trujillo, Bar...