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7391808 |
System and method for upgrading processing capabilities of a media center
Video data encoded according to new compression standards may be processed by an existing client terminal using an adaptive module that transcodes the video data into a format compatible with the...
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7388912 |
Systems and methods for adjusting targeted bit allocation based on an occupancy level of a VBV buffer model
Methods and apparatus are provided to advantageously improve bit rate control in a video encoder, such as an MPEG video encoder. The targeted bit allocation for a picture to be encoded is...
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7386446 |
Predictive coding scheme with adaptive speed parameters
If an adaptive prediction algorithm controllable by a speed coefficient is started from to operate with a first adaption speed and a first adaption precision and an accompanying first prediction...
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7382826 |
Method and apparatus for the control of a decision feedback equalizer
Input data segments of received symbols are continuously stored in a decision feedback equalizer buffer at a symbol rate S. Output data sections of received symbols are supplied from the decision...
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7372904 |
Video processing system using variable weights and variable transmission priorities
In an encoding process, video data are represented as a bitstream of a quantized base layer and one or more enhancement layers, which capture the difference between a quantized base video picture...
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7369706 |
Image-data processing device, image-data processing method, image-data distributing device and image-data transmitting system
An image processing device for processing an original image divided into a plurality of blocks that are made up of a plurality of picture elements from encoded image-data which is obtained by...
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7369066 |
Efficient 8×8 CABAC residual block transcode system
A circuit generally including a first module, a second module and a third module is disclosed. The first module may be configured to (i) generate a plurality of parsed residual blocks by parsing a...
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7366240 |
Decoder and method of decoding using pseudo two pass decoding and one pass encoding
A method of processing video frame data includes the steps of: receiving a video frame; partially decoding the video frame; fully decoding the video frame to produce macroblocks; determining video...
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7366236 |
Source adaptive system and method for 2D iDCT
This invention discloses a fast two-dimensional inverse Discrete Cosine Transform (iDCT) that adapts to compressed video source statistics to reduce execution time. iDCT algorithms for sparse...
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7362806 |
Object activity modeling method
An object activity modeling method which can efficiently model complex objects such as a human body is provided. The object activity modeling method includes the steps of (a) obtaining an optical...
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7356191 |
Image encoding apparatus and method, program and recording medium
In an image encoder is provided, including a to-be-encoded object prediction unit which counts quantization coefficients which are newly made significant, for example, when each bit plane is...
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7356078 |
Image encoding device and image decoding device
Multiplexing means of an image encoding device multiplexes object display speed information or image display absolute time information, and an image decoding device performs image processing on the...
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7352810 |
Coding process and device for the displaying of a zoomed MPEG2 coded image
The process is characterized in that, the zoomed image being defined by its horizontal and vertical homothety ratio with respect to the coded image, it performs the following steps:
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7352809 |
System and method for optimal transmission of a multitude of video pictures to one or more destinations
A system and method for optimal transmission of a multitude of video pictures consisting of end video encoders wherein more than one encoder is utilized. The system and method improve the image...
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7352808 |
System and method for the dynamic resolution change for video encoding
The present invention relates to a method, system and computer program product for the predictive encoding of digital video sequences. The objectives of the invention are accomplished by...
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7339507 |
Device for video decoding
A device for video decoding is disclosed. It includes at least a pipeline scheduler, a decoding core, a segmented context memory and a context cache. The pipeline scheduler and the decoding core...
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7327287 |
Lossy data compression exploiting distortion side information
Described are techniques for performing lossy encoding. Source data and quality data are received by an encoder. The encoder maps the source data into a compressed representation having a level of...
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7321618 |
PCM upstream data transmission server
A method for designing an equalizer and tracking performance for upstream PCM in a digital communications network is described. The invention optimizes upstream data rate rates for data...
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7317759 |
System and methods for video compression mode decisions
A method for making a mode decision in video coding. The method includes collecting a first portion of video data and labeling the first portion of video data with an optimal mode. The method also...
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7313184 |
Video data compression apparatus and method of same
When repeatedly performing compression and encoding of video data, automatically detecting a previous picture type at an encoder side and performing the compression and encoding by matching GOP...
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7301999 |
Quantization method and system for video MPEG applications and computer program product therefor
Digital signals are converted between a first and second format by a conversion process including generating coefficients representing the digital signals. The coefficients may be discrete cosine...
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7280698 |
Method and apparatus for displaying noticeable image and system for remotely monitoring image
Coded, or compressed data of moving pictures is received through a transmission path. The picture type of the compressed data is detected from the received compressed data of moving pictures. If...
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7277488 |
Data processing apparatus and method
An encoding data processing apparatus generates at least one water marked version of an original item of material formed by introducing one of a predetermined set of code words into a copy of the...
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7274740 |
Wireless video transmission system
A transmission systems suitable for video.
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7266771 |
Video stream representation and navigation using inherent data
An MPEG compressed bit stream representing video information is associated with supplemental information such as motion, audio, scene cut, and editorial information. The motion information is...
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7263234 |
System and method for video encoding according to degree of macroblock distortion
The invention relates to a video image encoding method for distributing a bit rate to a target macroblock in a digital image while performing video image encoding. Choose a comparison area in the...
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7230982 |
Decision feedback equalizer for minimum and maximum phase channels
This invention describes an apparatus and method to improve the performance of a decision feedback equalizer (DFE) for time-varying multi-path channels. For minimum-phase channels, the equalization...
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7224733 |
Interpolation filtering method for accurate sub-pixel motion assessment
To generate an improved image signal when estimating motion, a motion vector is first determined with pel accuracy, and a two-step interpolation filtering is subsequently carried out with sub-pel...
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7200858 |
Data distribution system
An interactive system for obtaining data for diagnostic purposes from a server having access to stores of said data wherein the server supplies the data and software to a data requesting user that...
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7197072 |
Systems and methods for resetting rate control state variables upon the detection of a scene change within a group of pictures
The invention is related to methods and apparatus that advantageously improve picture quality in a video encoder, such as an MPEG video encoder. Scene changes typically occur relatively frequently...
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7194030 |
Method for pre-suppressing noise of image
A method for pre-suppress noise of an image at least includes the following steps: detecting whether the currently processed DCT coefficient value is equal to or less than a corresponding threshold...
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7194000 |
Methods and systems for provision of streaming data services in an internet protocol network
Control of the transmission of streaming data between a first data processing system and a second data processing system in a packet network is provided. Priorities are assigned to packets of the...
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7173968 |
Method for coding and decoding a digitalized image
A method and an arrangement in which a digitized image with picture elements is allocated to a number of image segments. The image segments, preferably image blocks, are spread such that...
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7170933 |
Method and system for objective quality assessment of image and video streams
A method to predict visual quality of a DCT (discrete cosine transform) based compressed image or video stream without referring to its source. When applied to an MPEG video stream, the method is...
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7165130 |
Method and system for an adaptive multimode media queue
Embodiments of the invention may provide a method for implementing an adaptive multimode media queue. A mode of operation may be determined for a received media stream based on a sampling rate of...
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7154949 |
Picture coding device and method, picture transmitting device and method and recording medium
In a quantizing circuit 15 , DCT coefficients output from a DCT circuit 14 are quantized with the quantizing step corresponding to a quantizing index supplied from a quantizing index determining...
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7151799 |
Transcoder for coded video
Provided is a transcoder for coded video the encoding mode of that is changed according to the coded data, itself, that has been compressed by transcoding, or information prepared by decoding only...
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7145949 |
Video signal quantizing apparatus and method thereof
A residue code amount is calculated. A threshold act_thrsh corresponding to the residue code amount is obtained. A variable mb that designates a macro block is initialized to zero. The variable mb...
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7130348 |
Systems and methods for reduced bit-depth processing in video-related data
Embodiments of the present invention comprise systems and methods for processing of data related to video wherein reduced bit depth intermediate calculations are enabled.
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7123657 |
Video processing system also compressing coding decision data
An MPEG2 decoded video signal is accompanied by a representation of the coding decisions to aid downstream re-encoding. The representation is an MPEG compliant bit modified to reduce the number of...
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7123654 |
Method and apparatus to encode a moving image with fixed computational complexity
An apparatus and method thereof to encode a moving image include a discrete cosine transform (DCT) unit performing a DCT process on input video data, a quantizer, and a motion estimation (ME) unit...
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7113546 |
System for handling compressed video data and method thereof
In a specific embodiment of the present invention, a system and method is disclosed having a plurality of modes for providing and/or receiving compressed video data at a frame buffer memory. The...
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7110450 |
Moving picture encoding apparatus
Deterioration of picture quality is prevented even in a transmission environment in which errors easily occur. A block significance determining section produces block significance for each block as...
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7106795 |
Systems and methods for enabling reduced bit-depth processing and memory reduction in video-related data processing
Embodiments of the present invention comprise systems and methods for quantization or dequantization of data related to video wherein reduced bit depth intermediate calculations are enabled.
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7103099 |
Selective compression
A method of generating a compressed video stream, comprising: providing a plurality of display commands which represents a display; generating a plurality of quantized transform coefficients from...
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7092575 |
Moving image encoding apparatus and moving image encoding method
An encoding preprocessing part 1 extracts the amount of image feature relative to image data and passes the amount of image feature to a control part 2 as image feature amount information 11 ...
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7092442 |
System and method for adaptive field and frame video encoding using motion activity
A method adaptively encodes a video including a sequence of images, where each image is a picture of two fields. Each image is first separated into a top-field and a bottom-field. Motion activity...
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7092441 |
Moving pictures encoding with constant overall bit rate
A method and apparatus control bit rates used in a moving pictures encoder, such as an MPEG standard encoder. A sequence of moving pictures is divided into segments each of which comprises one or...
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7088780 |
Video transcoder with drift compensation
A method compensates for drift in macroblocks of a partially decoded input bitstream. The macroblocks include intra-mode and inter-mode macroblocks, and each macroblock includes DCT coefficients,...
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7082221 |
Bandwidth determination for multiple layer digital video
In an encoding process, video data are represented as a bitstream of quantized base data and enhancement data, which capture the difference between a quantized base video picture and an original...
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