Apparatus and method for adaptively interpolating a full color i

Details Apparatus and method for adaptively interpolating a full color i Apparatus and method for adaptively interpolating a full color i

1993-06-30

1994-12-13

Powell, Mark R.

Television

Camera, system and detail

With single image scanning device supplying plural color...

348272, H04N 907

Patent

active

053733223

ABSTRACT:
Adaptive interpolation is performed by apparatus operating upon a digitized image signal obtained from an image sensor having color photosites that generate a plurality of color values, but only one color per photosite. A digital processor obtains gradient values from the differences between chrominance values in vertical and horizontal image directions. The gradient values are compared with each other in order to select one of the directions as the preferred orientation for the interpolation of additional luminance values. The interpolation is then performed upon values selected to agree with the preferred orientation.

REFERENCES:
Kodak Professional DCS 200 Digital Camera System, Programmer's Reference Manual, Dec. 1992.

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