Reflective array compressor

Details Reflective array compressor Reflective array compressor

1998-08-06

2000-06-13

Chang, Jon

Image analysis

Image compression or coding

382208, 382218, 333153, 333154, 333195, 310313D, H03H 900, G06K 968

Patent

active

060758988

ABSTRACT:
A reflective array compressor for a fast pattern recognition system. The system includes a combination of digital and analog processing circuitry which allows the system to achieve super computing processing speeds within an open personal computer architecture. The system receives a bit map which is representative of the unknown pattern, such as a picture of an unknown person. The bit map could have multiple people in it--no other system has "faces in the crowd" ability. The bit map associated with the unknown pattern is then pre-processed and compared against a plurality of known patterns in a database to determine how well the unknown pattern correlates with the known patterns. The reflective array compressor employs concave input and output transducers, and curved reflectors.

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Huang et al. "The Design of SAW RAC's Using Arrays of Thin Metal Dots." IEEE Trans. on Ultrasonics, Ferroelectrics and Frequency Control, vol. 41, No. 2, pp. 236-244, Mar. 1994.

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