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Method of improving a digital image as a function of its dynamic range
Accordingly, it is an object of the present invention to provide a method of improving an image created with digital data for both color and non-color images. Another ...
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Video noise reduction system
The present invention has application in the field of film to video tape conversation, but works in conjunction with any video signal from which it is desired to reduce ...
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Automatic gain control system for a high definition television signal receiver including an adaptive equalizer
FIG. 1 illustrates a portion of a high definition television (HDTV) receiver for receiving and digitally processing an HDTV signal of the type shown in FIG. 2. This ...
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Television scan line doubler including temporal median filter
WITH OBJECTS A general object of the present invention is to provide an improved method and apparatus for television scan line doubling and display which includes a ...
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Fifty channel television transmitter
What is claimed is: 1. A device that simultaneously transmits a plurality of television channels, comprising; a local oscillator that generates a predetermined frequency;...
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Apparatus for reducing artifacts in error diffused images
What is claimed is: 1. Apparatus for a recursive spatial filter which eliminates visible grain patterns from bilevel digital images, said apparatus comprising: means, ...
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Noise reducing apparatus and methods for television receivers
The invention is embodied in a principal one of its aspects in a television system including a source of an intermediate frequency (IF) signal comprising an IF picture ...
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Method of forming halftone screen
It is a primary object of the present invention to provide a method of forming a halftone screen to produce a better halftone dot image by eliminating a periodic pattern ...
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Parallel propagating embedded binary sequence for parameterizing two dimensional image domain code patterns in two dimensional address space
OF THE INVENTION While the invention is described in some detail hereinbelow with reference to certain illustrated embodiments, it is to be understood that it is not ...
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Marking engine and method to optimize tone levels in a digital output system
In accordance with the present invention, a halftone cell configuration of a plurality of output pixels has optimal tone level gradations. The halftone cell comprises ...
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