Matches 1 - 45 out of 45


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US20080091497 Broadcast Days  
A system and method for efficiently managing advertising content on a network of electronic displays utilizing a broadcast day rule set identifies suitable conditions for the display of electronic...
US20080180577 Gamma Correction Circuit, Gamma Correction Method, and Image Processing Apparatus  
According to one embodiment, a gamma correction circuit including a serial storage unit which serially stores first and second parameter information in a storage area, a first parallel storage...
US20080180576 Arbitrary power function using logarithm lookup table  
A display device performs the fractional part of gamma translation by using a logarithm lookup table. The logarithm of an image data value is found in a look-up table. The retrieved result is...
US20100039503 DISPLAY AND DISPLAY METHOD THEREOF  
A display and a display method thereof are provided. The display is used for displaying 2D and/or 3D video image. The display method includes displaying 2D video image according to a first gamma...
US20090002563 LIGHT-LEAKAGE-CORRECTION TECHNIQUE FOR VIDEO PLAYBACK  
Embodiments of a system that includes one or more integrated circuits are described. During operation, the system compensates for gamma correction in a video image to produce a linear relationship...
US20080303767 VIDEO DISPLAY DRIVER WITH GAMMA CONTROL  
Voltage generator circuitry for providing a plurality of voltages for use in gamma compensation of a video signal.
US20060055828 Automatic gamma correction for a matrix display  
In a display device having a matrix-type display, an automatic picture setting circuit includes a source for color video signals, and adjustable gamma correction circuits for each of the color...
US20090251494 APPARATUS AND METHOD FOR GAMMA CORRECTION  
Apparatus and method for gamma correction are disclosed. An adjustable blending unit is utilized for adjustably blending a linear gamma function with a nonlinear gamma function, thereby resulting...
US20090128705 VIDEO PROCESSING APPARATUS AND GAMMA CORRECTION METHOD THEREOF  
Provided is a video processing apparatus comprising a storage unit and a gamma correction unit. The storage unit stores a plurality of representative values of brightness to perform a gamma...
US20080186405 METHOD FOR GENERATING GAMMA VOLTAGE AND DEVICE USING THE SAME  
The present invention discloses a method for generating gamma voltage and device using the same. The method for generating gamma voltage to a driver of a panel comprising following steps of:...
US20120002114 SYSTEM AND METHOD FOR USING PARTIAL INTERPOLATION TO UNDERTAKE 3D GAMMA ADJUSTMENT OF MICRODISPLAY HAVING DYNAMIC IRIS CONTROL  
In a microdisplay TV with dynamic iris control, interpolation is used to undertake 3D gamma adjustment of the display for intermediate brightness levels.
US20090256935 VIDEO SIGNAL PROCESSING APPARATUS, IMAGING APPARATUS, VIDEO SIGNAL PROCESSING METHOD, AND COMPUTER PROGRAM  
A video signal processing apparatus includes a user interface unit, a gamma correction value calculating unit, and a gamma correction value storage unit. The user interface unit receives a...
US20070229712 Digital gamma correction circuit and digital gamma correction method  
A correction characteristic storage portion stores coordinates (Xp,Yp) of a break point P and curve approximation range widths Wa and Wb. A basic broken line coefficient calculation portion...
US20070262932 ADAPTIVE GAMMA TRANSFORM UNIT AND RELATED METHOD  
The invention discloses a Gamma transform unit. The Gamma transform unit has a lookup table. The lookup table stores a plurality of difference values corresponding to a plurality of predetermined...
US20070279531 TV receiver and TV receiving method  
According to one embodiment, a TV receiver comprising: an input unit to which a video signal is input; a motion picture detecting unit that detects a motion picture on the video signal; a frame...
US20130222698 Cable with Video Processing Capability  
In an embodiment, a host computing device includes an internal display and also includes a connector to connect to an external display. A cable is provided to connect to the connector and to...
US20080018800 SYSTEM AND METHOD FOR DYNAMIC GAMMA CORRECTION IN DIGITAL VIDEO  
A technique for improving image quality using dynamic gray scale correction, in one example embodiment, includes dynamically computing non-linear gamma curves using histogram data extracted from a...
US20100171884 Video processing apparatus  
A final-correction-value acquisition unit performs, for each frame, reduction processing for reducing a difference in gamma correction value between frames and thereby acquires a final correction...
US20100134689 DYNAMIC CONTRAST ON DISPLAYS USING AVERAGE PICTURE LEVEL AND HISTOGRAM ANALYSIS  
Average picture level (APL) of a display and, in examples, histogram information is used to dynamically adjust the display contrast, or “gamma”, using an exponential function. APL can also be used...
US20080239157 Memory Efficient Gamma Correction For Multiple Display Devices  
One embodiment is directed to a gamma correction unit. The gamma correction unit includes a first and at least one second lookup table. In addition, the gamma correction unit includes a first and...
US20070285576 Method and system for digitally scaling a gamma curve  
A method and system for digitally scaling a waveform. A method is described performing a linear waveform transformation and translation of a curve in a smooth and continuous fashion. Another...
US20090122135 ENDOSCOPE PROCESSOR AND ENDOSCOPE SYSTEM  
An endoscope processor including a light source controller, an imaging device driver, and a gamma-correction block, is provided. The light source controller can order first and second light...
US20090322916 SIGNAL PROCESSING SYSTEM  
A signal processing system includes: defining a nonlinear function; defining a set of requirements for an output signal; obtaining an input signal; applying a cubic polynomial fitting to...
US20090051818 VIDEO SIGNAL PROCESSING DEVICE, VIDEO SIGNAL PROCESSING METHOD AND DISPLAY DEVICE  
A video signal processing device includes a sample data register to hold a signal level of a video signal after correction at each sample point as a correction level, a coefficient operation...
US20090040389 Gamma correction apparatus  
A gamma correction apparatus includes a load controlling unit, a non-volatile memory, a volatile memory, a checking unit and a counter. The non-volatile memory stores gamma data and a checking...
US20100328537 SYSTEM AND METHOD FOR BACKLIGHT AND LCD ADJUSTMENT  
In one embodiment the present invention includes a display system for displaying video. The display system includes a backlight layer and an LCD layer. The display system controls the backlight...
US20090027559 Video signal processing apparatus performing gamma correction by cubic interpolation computation, and method thereof  
A video signal processing apparatus includes a non-equidistant section determination circuit, a sample data register, and an interpolation computation circuit. The non-equidistant section...
US20080204579 Method of and apparatus for correcting contour of grayscale image  
A grayscale image with corrected contours, which is suitably applicable to the art of recognition of objects, is obtained using a grayscale image and a distance image of a subject. The contour of...
US20090213272 VIDEO PROCESSING APPARATUS AND METHOD FOR PROCESSING VIDEO SIGNAL  
A video processing apparatus includes: a video processor that detects a video type based on an inter-frame difference of a video signal; an automatic image quality adjustment unit that determines...
US20050259185 Gamma correction apparatus and method capable of preventing noise boost-up  
A gamma correction apparatus and method capable of preventing noise boost-up. A signal extraction unit extracts high-frequency signals and low-frequency signals from an input image signal, a...
US20080117228 System and method for gamma conversion  
The invention provides a Gamma conversion system applied on a source of image pixel data. Each image pixel data in the source of image pixel data has an M-bit pixel value with a first Gamma...
US20090086102 Signal processing apparatus and signal processing method performing gamma correction  
A difference sample data holder of a gamma correction device holds as difference sample data a difference between a corrected signal level and a yet-to-be-corrected signal level for each of...
US20120300128 Systems and Methods for Mitigating Visible Envelope Effects  
Systems and methods in accordance with embodiments of the present invention are provided to compensate for the “envelope effect” that appears to an end user as a result of the sampling and digital...
US20070046827 IMAGE PROCESSING APPARATUS, IMAGE DISPLAY AND IMAGE PROCESSING METHOD  
There is provided an image processing apparatus, an image display and an image processing method which are capable of preventing an unnatural change in image quality to image processing. A...
US20100201887 METHOD AND APPARATUS FOR HARDWARE-EFFICIENT CONTINUOUS GAMMA CURVE ADJUSTMENT  
In accordance with at least one embodiment, a first representation of a first gamma curve is stored in a look-up table, a second representation of a second gamma curve is stored in a look-up...
US20070263127 Low Noise Gamma Function In Digital Image Capture Systems And Methods  
An image processing system includes a filtering arrangement configured to receive incoming pixel information and filter at least a first portion of the information to thereby pass a second portion...
US20100141844 RELATIVE EXPOSURE VALUE MEASURING APPARATUS AND METHOD  
Disclosed is a method which comprises the steps of providing a video-signal output device (4), accepting a brightness component of a video signal corresponding to a first position of a subject (1)...
US20160127736 ENCODING AND DECODING METHODS FOR ADAPTING THE AVERAGE LUMINANCE OF HIGH DYNAMIC RANGE PICTURES AND CORRESPONDING ENCODER AND DECODER  
A method for encoding a sequence of high dynamic range pictures is disclosed. The method comprises for each picture of the sequence: obtaining a value representative of an average luminance of the...
US20160050402 DISPLAY DEVICE AND OPERATION METHOD THEREOF AND IMAGE DISPLAY SYSTEM  
A display device is provided including a timing controller configured to output a test image signal, a data driver configured to output a plurality of data voltages corresponding to the test image...
US20150146107 Methods to Reduce Bit-Depth Required for Linearizing Data  
Media is usually encoded using a non-linear transfer function that approximates human perception to more efficiently allocate codes to areas of dynamic range where human observers are more easily...
US20130120659 GAMMA CORRECTION SYSTEM AND METHOD FOR DISPLAY DEVICE  
A gamma correction system and method for a display device are disclosed. According to one aspect, the gamma correction system includes a display panel configured to display an image, a measuring...
US20120194745 DISPLAY DRIVING CIRCUIT  
A display driving circuit comprising a video signal transformation circuit, a reference voltage generating circuit, a DAC and an interpolation operational amplifier is provided. The video signal...
US20120050618 SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM  
There is a signal processing apparatus, including a gamma correction circuit that performs gamma correction on an input luminance signal and generates an output luminance signal, an...
US20110096238 IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD  
An image display apparatus of the present invention includes: a picture display unit that forms and displays an optical image based on a video signal; a gamma adjustment image display unit that...
US20110043704 IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD, AND IMAGE PROCESSING DEVICE  
An image display device includes: an image projecting unit for externally performing enlargement projection of a main-image signal; a basic-property selecting unit for selecting a predetermined...

Matches 1 - 45 out of 45