Target recognition using quantization indexes

Details Target recognition using quantization indexes Target recognition using quantization indexes

1991-09-05

1993-11-02

Harvey, Jack B.

Boots, shoes, and leggings

382 16, 382 20, 382 21, 382 22, 382 50, 358105, G06F 1520

Patent

active

052589242

ABSTRACT:
An apparatus for detecting the presence of a target in an n-dimensional array of digital data samples comprises: 1) a reading module, which reads the samples from the data array in overlapping groups; 2) a quantizing module, coupled to the reading module, which quantizes each of the overlapping groups of data samples and which generates an index that identifies the quantized group; and 3) a comparing module, coupled to the quantizing module, which compares indexes from the quantizing module to multiple reference indexes, each of which represents a quantized group of data samples that identify a distinctive feature of the target.

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patent: 4707859 (1987-11-01), Nudd et al.
patent: 4769644 (1988-09-01), Frazier
patent: 4845610 (1989-07-01), Parvin
patent: 4972495 (1990-11-01), Bilke et al.
patent: 5027413 (1991-06-01), Barnard et al.
patent: 5134572 (1992-07-01), Takasaki et al.

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