Process for high speed rescaling of binary images

Details Process for high speed rescaling of binary images Process for high speed rescaling of binary images

1993-02-04

1994-08-02

Couso, Jose L.

Image analysis

Histogram processing

For setting a threshold

395139, 345127, G06K 942, G06F 1500, G09G 106

Patent

active

053352963

ABSTRACT:
A system and process for scaling a binary image. The present invention includes a prestored set of scaler, or look-up, tables that each map all combinations of a specified number of input bits into a specified number of output bits. A sequencer is generated to direct the column scaling of the image. The sequencer includes a bit-string wherein each bit specifies the selection by a scaler function of a scaler table allowing interpolation of a preselected scale factor. The sequencer also includes information that allows the efficient processing of image data by aligning processed data on memory boundaries of a computer. The present invention may be used by an image memory management system or an image processing application to rescale images at high speeds on a conventional computer.

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