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CORR
2010
Springer
99views Education» more  CORR 2010»
15 years 2 months ago
Filter Bank Fusion Frames
In this paper we characterize and construct novel oversampled filter banks implementing fusion frames. A fusion frame is a sequence of orthogonal projection operators whose sum can...
Amina Chebira, Matthew Fickus, Dustin G. Mixon
RAS
2008
149views more  RAS 2008»
15 years 1 months ago
Robot task planning using semantic maps
Task planning for mobile robots usually relies solely on spatial information and on shallow domain knowledge, like labels attached to objects and places. Although spatial informat...
Cipriano Galindo, Juan-Antonio Fernandez-Madrigal,...
SAC
2008
ACM
15 years 1 months ago
Exploiting program cyclic behavior to reduce memory latency in embedded processors
In this work we modify the conventional row buffer allocation mechanism used in DDR2 SDRAM banks to improve average memory latency and overall processor performance. Our method as...
Ehsan Atoofian, Amirali Baniasadi
TWC
2008
235views more  TWC 2008»
15 years 1 months ago
Optimal spectrum sensing framework for cognitive radio networks
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
Won-Yeol Lee, Ian F. Akyildiz
295
Voted
PAMI
2010
396views more  PAMI 2010»
15 years 27 days ago
Self-Validated Labeling of Markov Random Fields for Image Segmentation
—This paper addresses the problem of self-validated labeling of Markov random fields (MRFs), namely to optimize an MRF with unknown number of labels. We present graduated graph c...
Wei Feng, Jiaya Jia, Zhi-Qiang Liu