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Class 348/645 - Chrominance signal amplitude control (e.g., saturation)


Subclass of Class 348 - Television
Definition: Subject matter including an apparatus for controlling the
No. of patents: 210
Last issue date: 11/15/2011


1            
NumberTitleIssue Date
8059204Method and apparatus for adjusting a saturation level of original image data
An apparatus for adjusting image color saturation and a method for adjusting a saturation level of an original image data are provided. The image color saturation apparatus includes a first color over-saturation level calculating unit, a parameter adjusting unit, a ...
11/15/2011
8018533Independent chrominance control method and system for images
A method and system for adjusting selected colors of an image is presented. A chrominance adjustment system in accordance with one embodiment of the present invention, determines whether the color of the current pixel is near a selected color. When the color of the ...
09/13/2011
7864250Image processing apparatus and method thereof
Color saturation in chroma correction is reduced. Hence, a two-dimensional histogram is generated in association with the luminance and chroma levels of an image for one frame. An ease of saturation of the image is calculated from the two-dimensional histogram. A ch...
01/04/2011
7714938Enhancement of video images by boost of secondary colors
A method for enhancing a video image by processing a video signal includes inputting a video signal and boosting color saturation or lightness of the video signal as a its hue gets closer to a secondary color, and/or shifting the hue of the video signal toward one o...
05/11/2010
7593066Chrominance control unit and method for video images
A color saturation control unit and method for increasing the color saturation of an image is presented. A scaled saturation enhancement factor calculation unit generates a scaled saturation enhancement factor using a base saturation enhancement factor. A multiplier...
09/22/2009
7570308Method for color saturation adjustment in an RGB color system
The present invention relates to a method for adjusting the saturation levels of the pixels of a time varying image being represented by RGB color sample vectors {right arrow over (C)} in an RGB color system. The method does not require the RGB color sample vectors ...
08/04/2009
7483082Method and system for automatic color hue and color saturation adjustment of a pixel from a video source
A method for automatically adjusting chrominance data of an input pixel from a color video signal includes receiving and temporarily storing the chrominance data of the input pixel in a transmission format comprising a color difference representation and converting ...
01/27/2009
7443453Dynamic image saturation enhancement apparatus
The invention provides an apparatus for dynamically adjusting the saturation of an image signal consisting of a plurality of pixels. The apparatus includes a first transformation module, an operation module, a gain module, an adjustment module and a second transform...
10/28/2008
7423696Concurrent luminance-saturation adjustment of digital images
Brightness of a plurality of pixels in a digital image is adjusted directly in a luminance-chrominance color space. Luminance and saturation are adjusted concurrently without changing hue of the pixels. ...
09/09/2008
7408558Laser-based display having expanded image color
A method for displaying a color image by providing a color image display apparatus having at least three narrow-band emissive light sources that define a display color gamut. Image data values are accepted that are defined within an original color gamut that is smal...
08/05/2008
7405771Method and device for independent color management
The present invention discloses a method and a device for independent color management by using a look-up table (LUT) so as to adjust the color saturation of a single color independently. The method comprises steps of: receiving a color signal of an input pixel; det...
07/29/2008
7365798Video signal identification device and video signal identification method
The procedure of the invention acquires a maximum RB value, which is a largest value of an R signal component and a B signal component, on the assumption that the signal format of an input video signal is an RGB signal, and obtains an RGB probability corresponding t...
04/29/2008
7355753Color saturation adjustment
A method of adjusting primary color data values including producing color saturation adjusted primary color data values that depend on a relative amount of chroma in the initial primary color data values. ...
04/08/2008
7349023Camera-integrated video recording and reproducing apparatus, and record control method thereof
A video recording/reproducing apparatus combined with a camera adapted to control a target information amount according to the nature and properties of an animated image to be photographed, and a recording control method for the same are provided. A target informati...
03/25/2008
7327404Methods and systems for color image processing
Methods and systems of color image processing for color adjustments. Phase information of a received chrominance signal is detected and applied to adjust saturation and hue of the color by changing the magnitude and phase of the chrominance signal respectively. The ...
02/05/2008
7327876Image processing device
An image processing device includes: a color coordinate conversion device which converts color coordinates of a color signal which has been obtained by color separation; and a two dimensional look up table which is used for correcting a chromaticity signal which has...
02/05/2008
7327384Gamut false color display
A gamut error false color display uses false coloring on a monochrome image of a video picture being tested. Composite and component gamut error signals are extracted from an input video signal representing the video picture being tested. Such error signals may repr...
02/05/2008
7312815Method and apparatus for color calibration
The present invention provides a method and an apparatus for color calibration for calibrating an input color. A target color represented by a first coordinate pair (X1, Y1). An input color, which is to be calibrated, is represented by a second coordin...
12/25/2007
7292370Image processing device and method
In order to achieve to adjust saturation of an image without leading to a deterioration in image quality, there is provided an image processing device and method in which a conversion data has a conversion characteristic which suppresses a change in saturation in a ...
11/06/2007
7289128Image processing device
The image processing device of the present invention maps signal values on saturation segments to corresponding signals on an achromatic axis. In conjunction with this, mapping of color signal present around the saturation segments is mapped while preserving the con...
10/30/2007
7286175Bias control circuitry for cathode ray tube beam currents
Bias control circuitry and method for use in controlling one or more cathode ray tube (CRT) beam currents. ...
10/23/2007
7280691Colour correction
Digital image processing apparatus for applying pixel-based colour correction to a hue-saturation-based polar representation of pixels of an input image to generate an output image comprises colour correction logic arranged to provide a colour mapping operation defi...
10/09/2007
7271851Adaptive color transient improvement
A superior Color Transient Improvement technique is adaptive to the local image features, so that more natural color edge transition improvement can be accomplished. A gain control function is provided that depends on the local image feature so that different region...
09/18/2007
7272252Automated system for combining bright field and fluorescent microscopy
A method and apparatus for automated analysis of transmitted and fluorescently labeled biological samples, wherein the apparatus automatically scans at a low magnification to acquire images which are analyzed to determine candidate cell objects of interest. Once can...
09/18/2007
7265870Colour separation method
Separation of a color into values for colorants in colorant space can be done easily when color correction and color separation are done in separate steps, where the color is defined as a set of values in a trajectory space, and trajectories include points for which...
09/04/2007
7251057Digital camera
A digital camera includes a CCD imager. When a display-use UYV signal is generated on the basis of an RGB signal of an object image photographed by the CCD imager, a CPU detects a color saturation degree of the RGB signal and reduces dynamic range of a U signal and ...
07/31/2007
7232122Jam detection method and system for an inserter
A document assembly system with jam detection capability. The system including an accumulation chassis having a series of pusher fingers for pushing collations of documents. Above the chassis, document feeders release documents to the chassis to form the collations....
06/19/2007
7227552Image processing apparatus and method and storage medium
In an image processing apparatus, color balance adjustment information are inputted on the basis of a user instruction, and the brightness of RGB image data having red, green, and blue components is detected. A generation portion maps the image data on a two-dimensi...
06/05/2007
7227543Contrast adjusting circuitry and video display apparatus using same
With the aim of offering a video display technique by which stable and high contrast video images are reproduced, contrast adjusting circuitry is constructed. The contrast adjusting circuitry detects a maximum picture level (MPL) and an average picture level (APL) o...
06/05/2007
7224833Method for fast color saturation control
A method for a fast color saturation control of digital color images using one color saturation factor has been achieved. Said method can be performed in any color space having three primaries as e.g. the R-G-B or in the CMY color space without the requirement to co...
05/29/2007
7193659Method and apparatus for compensating for chrominance saturation
A method of color saturation compensation in a video signal is disclosed. The method includes the steps of: processing a luminance signal component of the video signal; determining whether the processing of the luminance signal results in a change in chrominance sat...
03/20/2007
7190830Image processing method, apparatus and memory medium therefor
Correction for color fog is securely achieved with limited load of processing. The RGB image data are converted into the luminance Y and the chromaticity values C1, C2, then a highlight point and a shadow point are determined and are connected to defin...
03/13/2007
7177454Automated detection of objects in a biological sample
A method, system, and apparatus are provided for automated light microscopic for detection of proteins associated with cell proliferative disorders. ...
02/13/2007
7154563Automatic brightness limitation for avoiding video signal clipping
A brightness limitation system is employed in a television circuit to prevent the black reference voltage level and the video signal from entering a minimum signal clipping zone, to provide precise correction signal, limiting the brightness, to maintain a constant b...
12/26/2006
7145608Method of using locality statistics characteristic to enhance gamma corrections
This specification discloses a method of using locality statistics characteristic to enhance gamma corrections. Using the property that the color values of nearby digital image pixels are close to one another, the cache queue operation model is employed to partly re...
12/05/2006
7142254Self compensating video data amplifier and driver for broadcast data receiver
The invention relates to improvements to the operation of a broadcast data receiver (BDR) and, in particular, to the provision of a video data amplifier and driver circuit for the processing of a received video data signal. The circuit includes a means for generatin...
11/28/2006
7138989Display capable of displaying images in response to signals of a plurality of signal formats
A display is capable of displaying images in response to signals of a plurality of signal formats. The display includes a controller that is coupled to a plurality of image data interfaces. When the plurality of image data interfaces are simultaneously operating, th...
11/21/2006
7136190Color conversion apparatus and color conversion method
A conventional color conversion apparatus was associated with a problem of generation of an achromatic component and reduction in the luminance. A color conversion apparatus according to the present invention generates new color data corresponding to color re...
11/14/2006
7123308Video data correction capable of exactly correcting hue, chroma and/or luminance signal
An angle calculation unit calculates an angle formed by color difference signals R-Y, B-Y of each input pixel. Correction gain calculation units use the angle as a parameter to generate correction gains of hue, chroma, luminance (Y) gamma, and chroma (C) gamma for o...
10/17/2006
7113207Chrominance signal processing apparatus, image-sensing apparatus and control methods for same
The present invention relates to a chrominance signal processing apparatus and method for providing optimal color processing according to the hue of the color image data. Red, green and blue signals are input to a chroma composition ratio determination circuit that ...
09/26/2006
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