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7583318 |
Apparatus and method for controlling hue and luminance in image display device
An apparatus for converting input image signals into image signals that can be displayed in an image display device. The image display device includes a color space converter converting color...
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7522218 |
Display device and method for controlling the same
Display devices and methods for controlling the same are provided, which can display text along with video that satisfy prescribed visual criteria. Accordingly, the text can be more easily seen by...
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7355654 |
Character display control circuit
A character display control circuit comprises a selection circuit to select and output, as one of the RGB signals, one of a first voltage, a second voltage lower than the first voltage, and one or...
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7339619 |
Image pickup system and image processing program for performing correction on chroma signal
A color signal of a primary color or a color signal of a complementary color is converted from a CCD to signals in a color space having an intensity, a hue and a chroma. Tone conversion is...
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7327382 |
System and method for processing electronically captured images to emulate film tonescale and color
A method for converting a sequence of electronically captured images into a sequence of modified images for providing the appearance of images captured by a film reproduction system. The film...
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7298379 |
Luminance preserving color conversion from YUV to RGB
This invention presents a YUV to RGB conversion method which preserves high precision of luminance information in an original YUV image signal when converting it to RGB signal. The method can be...
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7242409 |
Interpolated color transform for changing color of an application user interface
A system and method for adjusting the color of an application user interface (UI). A UI allows a user to define hue and saturation values used to adjust first RGB values of pixels determining the...
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7167214 |
Signal processing unit and liquid crystal display device
A signal processing unit in a liquid crystal display device, etc., includes a brightness component appearance frequency measuring unit that measures an appearance frequency of each brightness...
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7034867 |
Digital camera
A digital camera includes an LCH conversion circuit. The LCH conversion circuit detects an L component value, a C component value and an H component value from each of pixel signals forming an...
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7034862 |
System and method for processing electronically captured images to emulate film tonescale and color
A sequence of electronically captured images are converted into modified images providing the appearance of images captured by a film reproduction system, where the film reproduction system is of...
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6950097 |
Video display interface controller for host video display unit
A video display interface controller for a host video display unit in which control signals multiplexed with component video signals are extracted and routed according to included address...
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6903782 |
System and method for performing segmentation-based enhancements of a video image
There is disclosed an apparatus for performing segmentation-based enhancements of a video image. The apparatus comprises: 1) an input buffer for storing video frames of an incoming video signal; 2)...
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6795083 |
Color enhancement of analog video for digital video systems
A method and system enhances the color of an image by manipulating the chrominance and/or luminance signals of the image. Specifically, a color enhancement system sharpens color changes for better...
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6690826 |
System and method for detecting text in mixed graphics data
A system and method for identifying whether sample values of pixel samples in a sample region have two or fewer different sample values represented, such as in graphics data representing text...
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6580433 |
Automatic reverse method for reversing the black-and-white monochrome image, and printer unit using the same
The objective of this invention is to provide an automatic reverse method for reversing and displaying the black-white image into the white-black image under the predetermined condition, and a...
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6476820 |
Video image display apparatus and method
A signal Y outputted from a Y/C separating circuit is supplied to first and second matrices. Signals R-Y and B-Y are supplied to the first matrix through a gain control amplifier (GCA) and are also...
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6476793 |
User interactive copy processing for selective color conversion or adjustment without gradation loss, and adjacent non-selected-color areas are not affected
A more-natural-looking video is reproduced and a video data having a desired color tone is formed by preserving the tone of a video as an original in color conversion at a desired ratio. To this...
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6462783 |
Picture encoding method and apparatus
A picture recording method for recording original picture data encodes the original picture so that the entirety of the original picture is displayed at its original resolution on a television...
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6441869 |
Systems and methods for color specific hue control
Image systems and methods adjust hue angles of one or more colors in an image. The adjusted image may be output to a printer for printing. An image quality control is provided to allow a user to...
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6400371 |
Television signal chrominance adjustment
The invention provides an improved method and system for presenting color television signals. Television signal chrominance values for foreground elements are adjusted in response to television...
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6285410 |
Method and system for removal of flash artifacts from digital images
A method and system for removal of flash artifacts from a digital image containing pixels therein, including using a database of reference flash-corrupted images for identifying corrupted pixels...
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6226040 |
Apparatus for converting video signal
Apparatus for generating at least a selected area in a picture is disclosed herein. The picture and the selected area are displayed on a video display means, and the user can optionally adjust the...
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6191823 |
Analog/digital color video apparatus and method for adjusting attributes of a color video signal using digital signal processing
An analog/digital color video apparatus for adjusting attributes of a color image contained in an analog video signal and a digital video signal and visually displaying an attribute-adjusted color...
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6181384 |
Image converting apparatus and image converting method
An image converting apparatus for converting an image of an input video signal into an image with a metallic luster and representing the metallic luster with parameters designated corresponding to...
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6137952 |
Apparatus and method for degrading the quality of unauthorized copies of color images and video sequences
Image-distorting artifacts are added to selected areas of a color image. A first artifact change is made to a luminance component of a selected area, and at least one other artifact change is made...
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6137532 |
Color image filtering apparatus and method for use in a digital camera
A color filter device of a digital camera which comprises a luminance processor, a color processor, a control unit, and a color memory for storing color data. The color memory is controlled by the...
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6005635 |
Displaying aliased and anti-aliased characters from a source font
A system and methods that provide a simple, but effective, technique for generating aliased and anti-aliased fonts while minimizing both processor and memory requirements are described. For each...
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5953455 |
Apparatus and method for encoding and decoding an image
An image encoding and decoding apparatus and method for providing a reference picture signal for display on a display device. Such reference picture signal may indicate a brightness change or a...
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5949962 |
Method for calculating color correction conditions, a method for determining an exposure amount for printing, an image processing apparatus, a printing exposure apparatus and a storage medium
In a method of obtaining a color correcting condition for a color image on an image frame, plural color component image signals are obtained for each pixel of the color image of the frame, and the...
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5920358 |
Method of transforming colors of image
Physiological primary colors, which correspond to tristimulus values of each of picture elements of an image on a hard copy, are obtained. A parameter, which represents the degree of incomplete...
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5841422 |
Method and apparatus for reducing the number of matrix operations when converting RGB color space signals to YCbCr color space signals
In a method and apparatus for reducing the number of matrix operations when converting digitized RGB color space signals to digitized YCbCr color space signals, at least two color difference...
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5767920 |
Coloring device and method for specific region on a video display screen
A device and method for performing a coloring set operation for a specific region on a screen of a video signal process device which designates the specific region on a liquid crystal monitor and...
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5719639 |
Method and apparatus for changing specified color in a color image
A subject color and a non-subject color of color change operation are specified and then a first color vector representing the subject color and a second color vector representing the non-subject...
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5687249 |
Method and apparatus for extracting features of moving objects
The present invention is intended to reconstruct or acquire the shape of an object without rotating it. A TV camera with a fish-eye lens is used to conduct the image-sensing of a vehicle as a...
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5671340 |
Method of non-overlapping additive color printing
A multicolor printing method employing a color printer capable of printing non-overlapping red, green, blue and black colorants, includes the steps of: providing a digital color image having...
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5384601 |
Color adjustment apparatus for automatically changing colors
An automatic color adjustment apparatus for use in an imaging device for adjusting the color of a subject such as skin or leave, which is well retained in human memory, to be as natural as...
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5196922 |
Digital image generation
A method of generating a representation of a subsidiary colored image initially contained within a color content of pixels of the image comprises defining a control data array. This control data...
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5140414 |
Video system for producing video images simulating images derived from motion picture film
Digital signals are generated and stored for each pixel of a frame of high definition video originated material. A computer reads the digital signals and converts them to binary image data by...
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5130702 |
Automatic color converter for on-screen signal
This invention provides an automatic color converter for on-screen signals including a color television displaying the color signals of image signals provided from a color demodulation integrated...
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5126834 |
Color image processing system with hue processing and modification
A color picture image processing system for effecting hue processing and hue modification based on a derivation of chrominance components. A contour line determination unit determines a contour...
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4954883 |
Interweave picture comparison apparatus and method
Video signals from two different sources are interwoven with one another so that segments of one picture are intermixed evenly with segments of another picture. It is preferred that the segments be...
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4954881 |
Method and apparatus for correcting video color signals
Video signal color correction is accomplished by selecting for color correction areas of the chrominance plane defining sectors in polar coordinants. Both the angle and the width of the sector can...
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4953008 |
Method and apparatus for uniform saturation, hue and luminance correction
Video signal color correction is accomplished by selecting for color correction areas of the chrominance plane defining sectors in polar coordinants. Both the angle and the width of the sector can...
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4907071 |
Color matching system and method
In a video color correction and matching technique, a first picture composed of color video signals is displayed on a monitor screen and video signals from a limited area on the screen which...
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4862251 |
Color correction system and method
A color correction system and method are disclosed. A color corrector may include circuits for selecting a predetermined range of colors around an infinitely selectable principal color and circuits...
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4839718 |
Luminance selection apparatus for video signal control system
A luminance selection apparatus for correcting the hue, saturation and luminance of an input color video signal as a function of the luminance of the signal. The system allows setting and storing...
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4782384 |
Area isolation apparatus for video signal control system
A video parameter control system operative for selecting a spatial region in a video image for correction, particularly useful for a scene by scene color corrector. A track ball allows selection of...
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4727412 |
Video signal correction system with low chrominance circuit for modifying currections
A phase responsive video parameter control system operative for correcting hue, saturation, and luminance of a phase encoded component of a composite video signal. A digital phase detector detects...
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4710800 |
Apparatus for allowing operator selection of a color region of a video image for receiving color corrections
A video parameter control system operative for correcting hue, saturation and luminance of a color video signal. Circuitry for generating and positioning a cursor on a video monitor displaying an...
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RE32544 |
Selective color modification
An apparatus and method is described for the modification of the color of television pictures in arbitrarily selected regions of the color space and of the picture. A region within which color...
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