Image processing apparatus

Details Image processing apparatus Image processing apparatus

1996-04-15

1998-04-21

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358404, 395877, G06T 500, H04N 121, H04N 1409

Patent

active

057424004

ABSTRACT:
An image processing apparatus can improve positional accuracy by effecting median filtering processing while ensuring real-time operations by reducing the amount of data processing by software. In this image processing apparatus, when a counter has counted up to a predetermined number, or when the counter's value is increased by a predetermined number after the counter has counted up to the predetermined number, a filter circuit control section activates a filter circuit. As a result, the filter circuit performs median filter processing for multi-gradation image data stored in an FIFO storage section. The image processing apparatus is suitable for use in measuring the position, shape, size, etc. of an object from multi-gradation image data obtained as a result of photographing the object with a camera or the like.

REFERENCES:
patent: 4270183 (1981-05-01), Robinson et al.
patent: 5173951 (1992-12-01), McMahon

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