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7616833 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616832 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616831 |
Method of reducing a blocking artifact when coding moving picture
A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S 0 , S 1 , and S 2 , which are centered around a...
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7616824 |
Method for spatially scalable video coding
A method for decomposing a digital image at resolution R and MR into a set of spatial sub-bands of resolution R and MR where MR>R and where the high-band at resolution MR is calculated by...
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7616823 |
Image processing method and image processing apparatus
Information associated with data which was previously transmitted to a client terminal ( 201 or 202 ) is recorded as a history. When a transmission request of data of logical units in tiles...
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7616693 |
Method and system for detecting motion between video field of same and opposite parity from an interlaced video source
A method and system for detecting the motion between a video field and its previous and subsequent video fields at a specified position. The motion detection scheme and system allows signal values...
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7616692 |
Hybrid motion vector prediction for interlaced forward-predicted fields
Techniques and tools for hybrid motion vector prediction for interlaced forward-predicted fields are described. For example, a video decoder determines an initial motion vector predictor for a...
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7616691 |
Video encoding/decoding method and apparatus
A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a...
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7616690 |
Method and apparatus for adaptive encoding framed data sequences
Methods and apparatus for adaptive encoding of at least a part of a current frame of a sequence of frames of framed data are described which operate on a block-by-block coding basis. The methods...
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7616689 |
Calculation of interpolated pixel values
The invention is related to video compression systems, and in particular to compression/decompression in digital video systems. The present invention discloses an alternative method to calculate...
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7616688 |
VSB transmission system for processing supplemental transmission data
A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data-packets includes a VSB supplemental data processor and a VSB transmission system. The VSB...
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7616687 |
Signal compressing system
A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for...
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7614070 |
Technique for synchronizing deliveries of information and entertainment in a communications network
In a broadband communications system, e.g., a cable system, a broadcast program stream is transmitted to broadcast programming content, and the broadcast program stream is recorded in a headend of...
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7613819 |
Image reproduction apparatus, control method thereof, program and storage medium
An object of this invention is to suppress discontinuity of a moving image as much as possible. In order to achieve this object, an image reproduction apparatus includes a buffer which temporarily...
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7613630 |
System and method for editing existing footage to generate and distribute advertising content to retail locations
A system and method for displaying content at a business establishment. The system includes a local network in communication with a content delivery system. The local network includes an electronic...
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7613605 |
Audio signal encoding apparatus and method
An audio signal encoding apparatus includes a frame dividing unit ( 1 ), an auditory psychological arithmetic unit ( 2 ), a filter bank unit ( 3 ), a scale factor calculation unit ( 4 ) which...
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7613241 |
Method of filtering a pixel of an image
In one embodiment, a pixel in a block of the image is filtered according to a filtering methodology. The filtering methodology includes determining a filtering strength value. This determining step...
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7613240 |
Adaptive filtering based upon boundary strength
Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions.
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7612832 |
Method and system for video clip compression
In a method for compressing a video clip containing audio content and image content, an image and/or an audio portion of individual video frames of the video clip are analyzed. Next frame scores...
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7609902 |
Implementation of discrete cosine transformation and its inverse on programmable graphics processor
The discrete cosine transform (DCT) is mapped to a graphics processing unit (GPU) instead of a central processing unit (CPU). The DCT can be implemented using a shader-based process or a host-based...
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7609882 |
Image compression and decompression method capable of encoding and decoding pixel data based on a color conversion method
An image compression and decompression method encodes and decodes pixel data based on a color conversion method. Base on the relationships of corresponding color components of two adjacent pixels,...
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7609769 |
Image complexity computation in packet based video broadcast systems
A method to determine real time image complexity in video streaming, IPTV and broadcast applications using a statistical model representing channel bandwidth variation and image complexity that...
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7609768 |
Video buffer control apparatus for dual video decoding and digital broadcasting receiver thereof
The present invention provides a video buffer control apparatus for dual video decoding and digital broadcasting receiver. In the present invention, one read block controls the reading of at least...
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7609767 |
Signaling for fading compensation
Techniques and tools for signaling for fading compensation in video processing applications are described. For example, a video encoder performs fading compensation on a reference image, signals...
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7609766 |
System of intra-picture complexity preprocessing
A system having a video pipeline that includes a variation calculation portion is disclosed. The variance calculation portion calculates a plurality of variance values for a macroblock. A DCT-type...
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7609765 |
Fast multi-frame motion estimation with adaptive search strategies
A method includes examining a statistical distribution of motion vectors employed for motion compensation in a first frame of image data. The examining is to produce a distribution model of the...
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7609764 |
Coding apparatus, coding method, program and information recording medium that can suppress unnatural degradation of image quality
A coding apparatus includes a coding process unit that performs one of a field-based coding process and a frame-based coding process with respect to an interlaced image. A selection unit...
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7609763 |
Advanced bi-directional predictive coding of video frames
Techniques and tools for coding/decoding of video images, and in particular, B-frames, are described. In one aspect, a video encoder/decoder determines a fraction for a current image in a sequence....
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7609762 |
Signaling for entry point frames with predicted first field
A video decoder receives an entry point key frame comprising first and second interlaced video fields and decodes a first syntax element comprising information (e.g., frame coding mode) for the...
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7609761 |
Apparatus and method for abstracting motion picture shape descriptor including statistical characteristic of still picture shape descriptor, and video indexing system and method using the same
An apparatus and method for abstracting motion picture shape descriptor including statistical characteristics of still picture shape descriptor, and video indexing system and method using the same....
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7609760 |
Signal compressing system
A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for...
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7606527 |
Digital broadcast receiving device, digital broadcast receiving method, and program therefor
Provided is a digital broadcast receiving device ( 20 ) which can display a high resolution image longer without burdening users with a cumbersome operation. The digital broadcast receiving device...
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7606427 |
Efficient rate control techniques for video encoding
This disclosure describes rate control techniques that can improve video encoding. In particular, the described rate control techniques exploit relationships between the number of bits encoded per...
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7606350 |
Incentive-based DSL system
Improved DSL and/or other communication system services can be provided by motivating users, service providers and operators to implement and comply with one or more operational conditions, such as...
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7606314 |
Method and apparatus for caching, compressing and transmitting video signals
Disclosed is a method and apparatus for transmitting video signals from a remote computer to a local computer over a network such as a LAN, WAN, the Internet, etc. The method receives and digitizes...
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7606313 |
System, method, and apparatus for error concealment in coded video signals
Efficient techniques are provided to detect and correct channel errors found in an encoded video signal. In one example embodiment, header information in a video frame is analyzed to detect channel...
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7606312 |
Intra coding video data methods and apparatuses
Streamlined prediction approaches are provided to predict pixel values of a 4×4 subblock of a macroblock of video data being encoded, under a number of prediction modes. Additionally, prediction...
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7606311 |
Macroblock information signaling for interlaced frames
A decoder decodes skipped macroblocks of an interlaced frame. Skipped macroblocks use exactly one motion vector and have no motion vector differential information, and lack residual information....
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7606310 |
Video compression and encoding method
A method of compressing video data having at least one frame having at least one block and each block having an array of pixels is provided. The method transforms the pixels of each block into...
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7606309 |
Motion estimation for video processing using 2-D (spatial) convolution
A device including a two-dimensional convolution unit to perform spatial image filtering. A reference frame mirroring unit is connected to the two-dimensional convolution unit. A mean square error...
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7606308 |
Signaling macroblock mode information for macroblocks of interlaced forward-predicted fields
Techniques and tools for code table selection and joint coding/decoding of macroblock mode information for macroblocks of interlaced forward-predicted frames are described. For example, a video...
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7606307 |
Method of determining a motion vector for deriving motion vectors of a bi-predictive image block
In the method of determining a motion vector for deriving motion vectors of a bi-predictive image block, a list 0 motion vector of a co-located image block for a bi-predictive image block is...
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7606306 |
Output method for improving video image quality
An output method for improving video image quality is provided. First, a frame data of a first frame is received, wherein the first frame may coincide with a first type or a second type....
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7606305 |
Method and system for transcoding video data
A first method of transcoding video data is disclosed that generates a motion vector for a macroblock encoded as a dual prime macro block that has a direct motion vector, and differential motion...
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7606304 |
Method and apparatus for memory efficient compressed domain video processing
A method for reducing the memory requirements for decoding a bit stream is provided. The method initiates with receiving a video bit stream. Then, a frame of the bit stream is decoded into a...
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7606303 |
Method and apparatus to detect anchor frames from digital video streams
A method ( 60 ) and apparatus process video in a multiple encoder system by identifying ( 61 ) those frames that were originally encoded as anchor frames in the first encoder and ensuring that a...
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7605737 |
Data encoding in a clocked data interface
One embodiment of the present invention includes a data transmission system. The system comprises a data transmitter that provides a plurality of data bits over at least one data line. The data...
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7603024 |
Apparatus for storing and searching audio/video data containing additional information
An audio/video data storing and searching apparatus is provided, which stores audio/video data including additional information of a user desired program, to thereby perform an easy searching. For...
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7602983 |
Wavelet transformation apparatus
A wavelet transformation apparatus including a unit that comprises a first adding device that adds a first input signal and a second input signal input by a predetermined order, a first multiplying...
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7602981 |
Image storage and display system, maintenance system therefor, and image storage and display method
The invention provides an image storage and display system including: an image storage server that includes an image file storing unit for storing image data; and image display terminals that are...
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