Matches 1 - 23 out of 23


Match Document Document Title
US20090115845 Method and System for Inverse Telecine and Scene Change Detection of Progressive Video  
Certain aspects of a method and system for inverse telecine and scene change detection of progressive video may include determining a cadence, for example, 3:2 or 2:2 pulldown, and phase of...
US20120038830 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...
US20080158430 Method, apparatus and system using hierarchical histogram for automatic exposure adjustment of an image  
A method, apparatus and system with a hierarchical histogram generator that generates sub-histograms of differing resolutions. These sub-histograms are used to adjust an image exposure setting.
US20090021648 HISTOGRAM EQUALIZER AND HISTOGRAM EQUALIZATION METHOD  
A histogram equalizer and histogram equalization method is provided. A histogram equalizer, including: a memory; and an operation unit which reads first data and second data from the memory, and...
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...
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...
US20090244386 HISTOGRAM AND CHROMINANCE PROCESSING  
The present invention relates to a method and corresponding system for improving the perceived visual quality of images for instance displayed on a colour television screen. According to the...
US20080158429 CIRCUIT AND METHOD OF DYNAMIC CONTRAST ENHANCEMENT  
A dynamic contrast enhancement circuit (DCE circuit) includes a grayscale statistical unit, an operation unit and a transformation unit. Wherein, the grayscale statistical unit receives a frame...
US20090059081 HISTOGRAM DETECTOR FOR CONTRAST RATIO ENHANCEMENT SYSTEM  
The disclosed embodiments relate to a system and method for processing a video signal, comprising assigning pixels from a set of pixels to at least one of a plurality of bins based on a brightness...
US20080143882 VIDEO SIGNAL PROCESSING DEVICE AND VIDEO SIGNAL PROCESSING METHOD  
According to one embodiment, a video signal processing device includes a set-up level detecting unit that detects a set-up level of an input video signal, a set-up level correcting unit that...
US20080043152 APPARATUS AND METHOD OF CONTROLLING BLACK STRETCH  
An apparatus for controlling black stretch includes a black stretching unit, an offset adjusting unit and an output unit. The black stretching unit performs black stretch processing on a video...
US20080068510 IMAGE 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...
US20090213271 Video Signal Processing Device and Video Signal Processing Method  
According to one embodiment, an extraction module that extracts a high frequency component of a luminance signal, an acquisition module that acquires band histogram data according to amplitude...
US20090115907 IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD  
An image display apparatus includes an image displaying unit that includes a light source unit and a light modulation device, a histogram generating unit, a light source luminance calculator, a...
US20090167956 IMAGE PROCESSING APPARATUS, VIDEO RECEPTION APPARATUS, AND IMAGE PROCESSING METHOD  
According to one embodiment, a video display apparatus having a smoothing processing unit inputs luminance signals of pixels which form an image, acquires histogram data by counting the numbers of...
US20100085477 DISPLAY DEVICE  
The display device including: a display panel; a backlight; a memory for converting frame rate of an input video signal and outputting a video signal; an interpolation frame generation unit for...
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...
US20100214478 IMAGE SIGNAL PROCESSING APPARATUS, METHOD OF CONTROLLING THE SAME, AND TELEVISION SIGNAL RECEIVING APPARATUS  
According to one embodiment of the invention, a smoothing module is configured to smooth and reduce grayscale differences in a plain area of an input digital image signal according to a collection...
US20170154411 METHOD AND ELECTRONIC APPARATUS FOR ADJUSTING IMAGE QUALITY OF VIDEO  
Disclosed is a method and an electronic apparatus for adjusting image quality of video, which includes: acquiring a luminance histogram of a current video frame according to a grayscale image of...
US20130182185 IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGE PROCESSING PROGRAM, AND RECORDING MEDIUM  
An image processing device (100) includes: a luminance distribution information preparation section (110) for preparing a luminance histogram in which each luminance range serves as a class, by...
US20110267543 PICTURE SIGNAL PROCESSING APPARATUS AND PICTURE SIGNAL PROCESSING METHOD  
According to one embodiment, a picture signal processing apparatus comprises an acquisition unit which acquires histogram data on each luminance level from luminance signals for one frame, a...
US20110267542 IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF  
An image processing apparatus comprises: an acquisition unit that divides an inputted video image into a plurality of divisions, and acquires a histogram of each of the divisions; a generation...
US20110019096 METHOD AND SYSTEM FOR DETECTION AND ENHANCEMENT OF VIDEO IMAGES  
A method and a system for adaptive image enhancement are provided for measuring the image quality of a pixel region in a frame, performing an image classification based on the image quality...

Matches 1 - 23 out of 23