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SIGMOD
2002
ACM
124views Database» more  SIGMOD 2002»
16 years 7 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 1 months 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