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8184711 |
Image processing device and image processing method
To stop the decline of the quality of image associated with encoding. The present invention multiplies a decoding rescaling factor (RFr) possibly used in the decoding process by only a...
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8184702 |
Method for encoding/decoding a video sequence based on hierarchical B-picture using adaptively-adjusted GOP structure
Provided is a method for performing hierarchical B picture-based coding on a video sequence using the structure of adaptively divided group of pictures (GOP). The method includes the steps of, for...
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8184706 |
Moving picture coding apparatus and method with decimation of pictures
A motion vector estimating device estimating a motion vector having high accuracy is provided. An eliminating unit eliminates each of pictures in a set of input pictures for each picture. A picture...
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8184707 |
Method and apparatus for encoding multiview video using hierarchical B frames in view direction, and a storage medium using the same
The invention provides a method of encoding a multi-view video and an encoder capable of calculating global disparity between pictures at different viewpoints in the multi-view video and forming a...
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8184708 |
Motion vector encoding device and decoding device
A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of...
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8184694 |
Harmonic quantizer scale
A digital media encoder/decoder performs quantization/dequantization based on quantization parameters taken from a harmonic quantizer scale. The harmonic quantizer scale can include a normal...
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8184704 |
Spatial filtering of differential motion vectors
Embodiments include a video data encoding method comprising receiving video input frames, and performing motion estimation on the video received frames. The motion estimation comprises performing a...
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8184696 |
Method and apparatus for an adaptive systolic array structure
A method and apparatus for an adaptive systolic array structure is initially configured for motion estimation calculations and optionally reconfigured as the motion estimation algorithm progresses....
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8184703 |
Interpolated frame generating method and interpolated frame generating apparatus
According to one embodiment, an interpolated frame generator comprises first detector detects potential motion vector by block matching between input frame images, using first block of fixed size,...
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8184705 |
Method and apparatus for motion compensated filtering of video signals
A method and apparatus for filtering video data. First and second frames of the video data are stored. Motion adapted spatio-temporal filter (MASTF) pixel values of the second frame are calculated...
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8184709 |
Low-power and high-throughput design of fast motion estimation VLSI architecture for multimedia system-on-chip design
A method of fast motion estimation in VLSI architecture with low-power and high-throughput for multimedia System-on-Chip design is disclosed. The method uses the data prediction and data reuse...
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8179474 |
Fast iterative motion estimation method on gradually changing images
A fast iterative motion estimation method enables motion estimation to take place with fewer computations. The motion estimation and error determination steps are combined, each position in the...
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8180195 |
Memory structures and methods for video codec
A memory device for storing a plurality of macroblocks may include a plurality of memory banks. Each macroblock may include m*n pixel data, wherein m is a positive integer, and wherein n also is a...
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8179970 |
Low power video compression chipset for protable application
A data reading method for motion estimation in a video processing chipset is provided. The video processing chipset is coupled to an external memory device, wherein a first frame is stored in the...
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8179960 |
Method and apparatus for performing video coding and decoding with use of virtual reference data
A video codec is provided in which virtual reference data (e.g., virtual reference blocks) are advantageously employed by a video coder and decoder to significantly improve coding efficiency as...
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8179967 |
Method and device for detecting movement of an entity provided with an image sensor
An image sequence sensor senses images. To associate a motion vector with an image of the sequence currently being processed, k candidate vectors are generated by adding, to a reference motion...
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8179969 |
Method and apparatus for encoding or decoding frames of different views in multiview video using global disparity
The present invention relates to a method and apparatus for encoding a multi-view video and a method and apparatus for decoding a multi-view video, and more particularly, to a method and apparatus...
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8179968 |
Motion vector coding and decoding methods
A motion vector coding method and apparatus that improves efficiency of coding motion vectors when a current block is coded using a plurality of motion vectors. The apparatus includes a motion...
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8179964 |
Efficient transcoding between formats using macroblock buffer
Transcoder chip having a buffer for temporarily storing decoded macroblocks and compressed domain parameters. A video decoding module of the transcoding chip decodes and stores the decoded...
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8175148 |
Method and device for indicating quantizer parameters in a video coding system
A method and device for coding of digital video sequence, wherein an indication of quantization parameter (QP) is provided in the encoded bit-stream for decoding purposes. The QP related...
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8175147 |
Video coding rate control
Video encoding (such as H.263, MPEG-4, H.264/AVC) modifies TMN5-type rate control frame skipping and quantization parameter updating according to buffer fullness levels with I-frame initial...
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8175160 |
System, method, and computer program product for refining motion vectors
A system, method, and computer program product are provided for refining motion vectors. In operation, a plurality of motion vectors associated with a current frame and a first resolution are...
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8175153 |
Method of encoding and decoding an image sequence by means of hierarchical temporal analysis
The method realizes a motion compensated temporal filtering (MCTF), the temporal filtering being replaced by an intra mode coding to obtain at least one low (L) or high (H) frequency picture if the...
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8175152 |
Picture coding apparatus and method
A moving picture coding apparatus divides each frame of a moving picture into parts and assigns the parts to different coding units, which compressively code their respective parts. The coding...
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8175163 |
System and method for motion compensation using a set of candidate motion vectors obtained from digital video
Embodiments include systems and methods for interpolating frames. In one embodiment, a system and method provides reduced halo and consequently a higher degree of accuracy/fidelity. In one...
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8175161 |
System and method for motion estimation
A parallel processor for motion estimation including: a matrix of elementary processors configured in rows and columns, local connections between the elementary processors for transmitting partial...
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8175159 |
Moving picture signal coding method, decoding method, coding apparatus, and decoding apparatus
Moving picture motion compensation coding/decoding predicts a motion vector in a coding block from a motion vector of the adjacent position and codes a differential motion vector calculated from...
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8175162 |
Image processing apparatus, image processing method, and program
An image processing apparatus which performs processing on an input moving image including a plurality of access units arranged every first period, includes a motion vector calculation unit which...
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8170108 |
Method and apparatus for decoding/encoding a video signal
The present invention provides a video signal decoding method including the steps of checking whether to perform luminance compensation of a current block, performing the luminance compensation on...
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8170105 |
Video decoder and video decoding method
A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for...
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8170107 |
Flexible reduced bandwidth compressed video decoder
A method of decoding a video bitstream is disclosed. The method generally includes the steps of (A) buffering the video bitstream in a main memory, the video bitstream comprising a first residual...
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8170110 |
Method and apparatus for zoom motion estimation
In accordance with an example embodiment of the present invention, the present invention provides method and apparatus for motion compensated prediction. Apart from translational motion, zoom...
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8170112 |
Video compression and encoding method
Disclosed herein is a method for encoding a video signal having at least one frame with a plurality of blocks including a current block, including generating, for at least a selected pixel in the...
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8170106 |
Video displaying apparatus and video displaying method
Apparatus including: a unit detecting a motion vector, among plural number of fields included in motion pictures, or fields, produced from the plural number of fields; a unit for converting the...
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8170111 |
Moving picture encoding apparatus
Data of both MPEG-2 and MPEG-4 is generated simultaneously with a small circuit scale and a small power consumption. A moving picture encoding apparatus for encoding a moving picture through...
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8170104 |
Apparatus and method for motion vector prediction
A motion vector predicting method and apparatus for predicting motion vectors in image coding and decoding, including predicting a motion vector of each small block in a macro block divided into at...
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8170109 |
System for analysis of motion
A computer system for real-time determination of a motion vector comprising an image processor to apply an image processing filter to a normalized frame element of a first image frame, yielding a...
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8165210 |
Video codec with shared interpolation filter and method for use therewith
A video processing device operates in an encoding mode when a mode selection signal has a first value and operates in a decoding mode when the mode selection signal has a second value. The video...
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8165219 |
Memory word array organization and prediction combination for memory access
Described systems and methods allow a reduction in the memory bandwidth required in video coding (decoding/encoding) applications. According to a first aspect, the data assigned to each memory word...
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8165207 |
Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
A method and apparatus are provided for effectively predicting a video frame that use all of the advantages of an intra mode and an intra BL mode in multi-layer structure based-video coding. The...
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8165209 |
Method and apparatus for providing a fast motion estimation process
A process performs a search on a base reference frame in a video signal to determine a first motion vector for each of the possible partitions of a current macroblock. The first motion vector for a...
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8165205 |
Natural shaped regions for motion compensation
A method of irregular motion compensation includes using contours of objects in a reference image to tile the reference image into a plurality of irregular shapes, and mapping each irregular shape...
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8166170 |
Distributed multiplexing
The present invention is directed to a method of delivering a video stream. The method operates by determining a group of video streams to be provided to a particular destination over a particular...
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8165208 |
Method and apparatus for detecting sawtooth and field motion
The present invention provides a video detecting device including a first pixel detector, a second pixel detector, and a determining unit. The first pixel detector compares the intensity of a...
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8165211 |
Method and apparatus of de-interlacing video
The presently claimed invention adaptively selects a local de-interlacing method according to information from a compressed video bitstream. According to one embodiment, successive images from a...
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8160143 |
Decoding device, encoding device, interpolation frame creating system, integrated circuit device, decoding program, and encoding program
The present invention is a decoding device, an encoding device, an interpolation frame creating system, an integrated circuit device, a decoding program and an encoding program capable of creating...
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8160151 |
Motion vector detection apparatus, motion vector processing method and program
A motion vector detection apparatus includes: a base luminance value production section configured to produce a base luminance value of the base block; an effectiveness calculation section...
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8160148 |
Computational reduction in motion estimation based on lower bound of cost function
A method for motion estimation comprising the steps of (A) determining whether a cost of encoding one or more prediction parameters for a current search position is less than a current best cost,...
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8160144 |
Video motion estimation
Motion estimation in video encoding switches among motion estimation methods for successive predicted pictures depending upon statistics of prior pictures. Locally averaged motion vectors, fraction...
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8160147 |
Motion vector coding and decoding methods
A motion vector coding method and apparatus that improves efficiency of coding motion vectors when a current block is coded using a plurality of motion vectors. The apparatus includes a motion...
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