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SIGMOD
2002
ACM
124views Database» more  SIGMOD 2002»
16 years 6 months ago
Quadtree and R-tree indexes in oracle spatial: a comparison using GIS data
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
Kothuri Venkata Ravi Kanth, Siva Ravada, Daniel Ab...
ICASSP
2008
IEEE
16 years 1 months ago
Mixed-signal parallel compressed sensing and reception for cognitive radio
A parallel structure to do spectrum sensing in Cognitive Radio (CR) at sub-Nyquist rate is proposed. The structure is based on Compressed Sensing (CS) that exploits the sparsity o...
Zhuizhuan Yu, Sebastian Hoyos, Brian M. Sadler
ISVC
2007
Springer
16 years 27 days ago
Fast kd -Tree Construction for 3D-Rendering Algorithms Like Ray Tracing
Many computer graphics rendering algorithms and techniques use ray tracing for generation of natural and photo-realistic images. The efficiency of the ray tracing algorithms depend...
Sajid Hussain, Håkan Grahn
EURODAC
1994
IEEE
129views VHDL» more  EURODAC 1994»
15 years 11 months ago
Synthesis of Self-Testable Controllers
The paper presents a synthesis approach for pipelinelike controller structures. These structures allow to implement a built-in self-test in two sessions without any extra test reg...
Sybille Hellebrand, Hans-Joachim Wunderlich
FPL
2008
Springer
117views Hardware» more  FPL 2008»
15 years 8 months ago
On-the-fly attestation of reconfigurable hardware
This paper presents a novel method to perform on-the-fly attestation of hardware structures loaded to reconfigurable devices. Given that a loadable hardware structure to a reconfi...
Ricardo Chaves, Georgi Kuzmanov, Leonel Sousa