Imaging terminal operative for decoding
AssigneeHoneywell International Inc.
InventorTaylor Smith
Life of this patent
Estimating the term…
Abstract
There is set forth herein an imaging terminal operative for decoding of bar codes. In one embodiment the terminal can include a color imaging assembly having a color image sensor array. The terminal can be operative for capture of a color frame of image data. Responsively to the capture of the color frame of image data the terminal can convert the color image data to monochrome image data while maintaining the color image data. The terminal can utilize the monochrome image data to search for a color bar code finder pattern. The terminal can be operative so that if the color bar code pattern is found utilizing the monochrome image data the terminal can utilize the color image data for attempting to decode a color bar code.
Claims19
A terminal comprising:
- a color image sensor array having an associated color filter pattern;
- an optical imaging lens for focusing an image onto the image sensor array;
- wherein the terminal is operative for capture of a color frame of image data utilizing the color image sensor array;
- wherein the terminal is further operative for converting color image data of the frame to monochrome image data while maintaining color image data in a memory store;
- wherein the terminal is further operative for searching for a bar code symbol finder pattern utilizing the monochrome image data;
- wherein the terminal is further operative so that responsively to finding a color bar code symbol finder pattern utilizing the monochrome image data, the terminal utilizes the color image data for attempting to decode a color bar code symbol;
- wherein the terminal is further operative so that responsively to finding a monochrome bar code symbol finder pattern utilizing the monochrome image data, the terminal utilizes the monochrome image data for attempting to decode a monochrome bar code symbol.
A method comprising:
- providing a terminal having a color image sensor array having an associated color filter pattern and an optical imaging lens for focusing an image onto the image sensor array;
- utilizing the terminal for capture of a color frame of image data;
- converting color image data of the frame to monochrome image data while maintaining color image data in a memory store;
- searching for a bar code symbol finder pattern utilizing the monochrome image data;
- responsively to finding a color bar code symbol finder pattern utilizing the monochrome image data, utilizing the color image data maintained in the memory store for attempting to decode a color bar code symbol;
- responsively to finding a monochrome bar code symbol finder pattern utilizing the monochrome image data for attempting to decode a monochrome bar code symbol.
A computer readable medium comprising instructions for execution of a processor, the instructions for performance of the method comprising capturing into a memory a color frame of image data, converting image data of the frame into monochrome image data while maintaining color image data in a memory store, searching for a bar code symbol finder pattern utilizing the monochrome image data, responsively to a finding of a color bar code symbol finder pattern utilizing the color image data for attempting to decode, and, responsively to a finding of a monochrome bar code symbol finder pattern utilizing the monochrome image data for attempting to decode.
Dependencies are inferred from the claim text.