Back to results
US 4,365,304 AGranted
Method and apparatus for on-line data enhancement
AssigneeYeda Research and Development Co. Ltd.
InventorsSmil Ruhman, Zvi Orbach
Life of this patent
Estimating the term…
Abstract
Apparatus for on-line data enhancement including apparatus for receiving data, apparatus for applying a histogram transformation to the received data including a look-up table embodied in a rewritable memory; apparatus for determining the histogram transformation in response to a histogram of the received data; and apparatus for producing a histogram of the received data.
Claims19
Apparatus for on-line data enhancement comprising:
- means for receiving input data;
- means for gathering a histogram of said input data;
- means for providing a histogram transformation function operative to convert said input data to output data having a desired one of a plurality of selectable output histograms, said plurality of selectable output histograms including non-flat histograms;
- and
- a look up table for applying said histogram transformation function to said input data.
2 more elements
A method for applying a histogram transformation to received data comprising the steps of:
- receiving input data;
- gathering a histogram of said input data;
- providing a histogram transformation function operative to convert said input data to output data having a desired one of a plurality of selectable output histograms, said plurality of selectable output histograms including non-flat histograms;
- inserting said histogram transformation function into a look-up table embodied in a rewritable memory;
- and
- applying said input data to said look-up table for desired histogram transformation thereof.
3 more elements
Dependencies are inferred from the claim text.