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7636393 |
Image processing method, image recording method, image processing device and image file format
A recording process records low-resolution video data while obtaining a high-resolution image in a window region being a portion of an entire image. Then, the process learns, as a resolution...
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7634009 |
Method and device for picture compression using a plurality of sampling patterns
In order to realize effective picture compression without significantly impairing the resolution, it is proposed that the picture to be compressed be subdivided into a plurality of picture areas,...
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7630439 |
Apparatus for converting conversion encoding coefficients using sampling/resolution conversion
Conversion encoding coefficients which are accumulated in an input memory and read out from the memory is input into converting unit. Conversion matrix integration unit multiplies a basis matrix of...
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7627038 |
Methods and systems for compressing a video stream with minimal loss after subsampled decoding
Transcoding of a video stream to reduce the size of the video stream with little, if any, loss in video quality after subsampling. After accessing a video stream of video pictures (i.e., video...
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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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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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7593915 |
Customized multi-media services
Content files such as photographs, video, graphics and/or music are indexed to identify subjects captured in them. Indexed content files are scanned to identify content files that match certain...
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7580457 |
Unified system for progressive and interlaced video transmission
A system and method that support both progressive and interlaced format video transmission and display. The system utilizes de-interlacing techniques to convert input interlaced format video to...
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7471806 |
Method, apparatus and computer program for inserting a watermarking program into an image processing program
At every reproduction of a moving image, a tamper resistant module (TRM) randomly selects any one of plural electronic watermark inserting modules, and incorporates the module selected into an area...
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7463789 |
Image-processing device, its method, its program and recording medium storing the program
An image-processing device ( 130 ) includes a data access section ( 131 ) that reads composite image data ( 10 ) having one data structure in which a plurality of image data are combined, and a...
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7454692 |
Encoder based error resilience method in a video codec
Improved error resiliency of an encoding device, such as a video codec or encoder, operating in a compressed data transmission system, is achieved by enabling the encoding device to “shadow” or...
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7412100 |
Apparatus and method for sub-sampling images in a transform domain
A method of receiving a bit-stream and extracting data from the bit-stream based on one or more criteria and sub-sampling (for example, filtering and decimating) the extracted data in the transform...
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7409103 |
Method of reducing noise in images
An image noise reducing method that can properly reduce CCD noise which emerges in an image imported from a digital camera is provided. The method includes applying a first filtering step to...
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7394966 |
Image communication apparatus for wireless communication of digital images, and method thereof
An image capture apparatus includes an image capture unit, a recording unit, a wireless communication unit and a control unit. The recording unit records digital image captured by the image capture...
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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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7369613 |
Process for the format conversion of MPEG bitstreams, a system and computer program product therefor
A process for format conversion of DCT macroblocks in an MPEG video bitstream that are divided into blocks, each of which includes a plurality of microblocks. In each DCT block, the significant...
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7366239 |
Method and system for compressing groups of basic media data units
The invention provides a method for compressing a group of basic media data units, the method comprising the steps of: (a) receiving the group of basic media data units; (b) for each basic media...
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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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7346217 |
Digital image enhancement using successive zoom images
A method and Electro-Optical (EO) system for processing imagery comprising selecting a first frame of data as a template frame; capturing a second frame of data using the EO system, for a plurality...
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7321693 |
Image processing apparatus and image processing method including adjustment of coded data to specified target size
An image processing apparatus and an image processing method are disclosed for generating coded data having a desired data size at a high speed. The image processing apparatus includes a coding...
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7292657 |
Signal compressing signal
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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7257161 |
Frequency thinning apparatus for thinning out frequency components of signal and frequency thinning apparatus
An analyzer transforms a digital signal into a spectrum representing the digital signal. A spectrum analyzing unit specifies a predetermined number of sets of the bands in decreasing order of the...
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7254174 |
Process for changing the resolution of MPEG bitstreams, and a system and a computer program product therefor
A process and a system is described for generating an MPEG output bitstream starting from an MPEG input bitstream. The output bitstream has a resolution modified with respect to the resolution of...
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7233619 |
Variable general purpose compression for video images (ZLN)
Methods, medium, and machines which compress, enhance, encode, transmit, decompress and display digital video images in real time. Real time compression is achieved by sub-sampling each frame of a...
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7215708 |
Resolution downscaling of video images
A method and apparatus for downscaling video images to a lower resolution (e.g. from HDTV to SDTV) is presented. The method comprising the steps of frequency domain anti-aliasing filtering and...
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7200174 |
Video coding system
A motion estimation method and system for a video coder are disclosed. The system comprises an input for a video image to be coded. It also comprises a hierarchical series of motion estimators of...
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7180947 |
Method and apparatus for a dynamic data correction appliance
Embodiments of the present invention provide a method and system for a dynamic data correction appliance. A plurality of data points in a first domain may be sampled. The sampled data points may be...
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7171162 |
Method and apparatus for frequency estimation using iterative filtering in a GSM communications system
A method of frequency estimation for a GSM communications system is disclosed. First, the a frequency control channel data burst is received and downsampled into a plurality of subsets. Then, the...
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7167520 |
Transcoder
A transcoder for resizing video data and outputting the resized video data to a reproduction apparatus. The reproduction apparatus reproduces the resized video data by repeating a display period...
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7167521 |
Video encoding apparatus and video decoding apparatus
An alpha-map encoding apparatus includes a first down-sampling circuit ( 21 ) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the...
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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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7149249 |
Color video codec method and system
In one aspect of a preferred embodiment, the present invention comprises a system for video compression comprising a video preprocessor; a predictor configured to receive video data from the...
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7110732 |
Subsampling RF receiver architecture
A subsampling receiver ( 50, 50′, 50″ ) for converting an RF signal to baseband is disclosed. The subsampling receiver ( 50, 50′, 50″ ) may be implemented into a wireless communications...
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7068733 |
Sampling technique for digital beam former
A mobile satellite payload 18 and a method for sampling communication signals 26 are provided. The mobile satellite payload 18 uses a plurality of receive radiating elements 24 within a...
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7054366 |
Systems and methods for MPEG subsample decoding
A decoder decimates MPEG or other video data by subsampling the output of an inverse discrete cosine transform (IDCT) module. The decimation process is useful for reducing the volume of data that...
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7050504 |
Low-complexity deblocking filter
A method of filtering to remove coding artifacts introduced at block edges in a block-based video coder, the method having the steps of: checking the content activity on every line of samples...
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7035331 |
Method and apparatus for performing a pixel averaging instruction
In an embodiment, a functional unit including a compressor section and a 36-bit SIMD adder is used to perform a STMD four-pixel averaging instruction. The functional unit generates four four-pixel...
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7031535 |
Image processing apparatus capable of interpolating error data
This invention provides an image processing apparatus which receives an image signal divided into a plurality of different subband components, detects an error in low-frequency subband component...
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7028108 |
System and method for controlling data transfer for data array control unit having first and second selector with data shift register
A data register which outputs an input data as is when the input data fulfills a set data width for outputting, and holds the input data until a bit width of the input data is equal to or more than...
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7027511 |
Fast motion estimation using N-queen pixel decimation
The present invention proposes a fast motion estimation using N-queen pixel decimation, whereby after a reference block and a block to be processed are selected in a video sequence, an N×N queens...
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7020202 |
Systems for MPEG subsample decoding
Decimating MPEG or other video data by subsampling the output of an inverse discrete cosine transform (IDCT) module. The decimation process is useful for reducing the volume of data that must be...
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7006568 |
3D wavelet based video codec with human perceptual model
A video encoding/decoding system based on 3D wavelet decomposition and the human perceptual model is implemented. JND is applied in quantizer design to improve the subjective quality of compressed...
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6993099 |
Communications receiver architectures and algorithms permitting hardware adjustments for optimizing performance
A receiver architecture featuring a decimation filter and a bypass around said decimation filter is disclosed along with a method for optimizing said receiver's sampling phase and programmable gain...
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6990241 |
Circuit and method for decoding an encoded version of an image having a first resolution directly into a decoded version of the image having a second resolution
An image processing circuit includes a processor that receives an encoded portion of a first version of an image. The processor decodes this encoded portion directly into a decoded portion of a...
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6970510 |
Method for downstream editing of compressed video
In a MPEG or other video system, editing is performed using “independently coded regions” (ICRs) embedded into an input video signal. These regions facilitate quick editing and formatting of a...
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6970507 |
Method for motion-compensated prediction of moving images and device for performing said method
Past image point information is also considered as well as local neighboring image point information in the interpolation of a predicted picture for motion-compensated prediction of moving pictures...
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6970575 |
Method of extracting digital watermark information and method of judging bit value of digital watermark information
A digital watermark information is extracted from geometrically deformed image without using a calibrating digital watermark. Pixel data at positions predetermined in an X-Y coordinate used when...
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6970511 |
Interpolator, a resampler employing the interpolator and method of interpolating a signal associated therewith
An interpolator, method of interpolating a one-bit signal and resampler employing the interpolator and method. The interpolator employs a cascaded architecture to interpolate a one-bit input signal...
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6968009 |
System and method of finding motion vectors in MPEG-2 video using motion estimation algorithm which employs scaled frames
A method of finding motion vectors for use in MPEG video encoding comprises generating, from a full frame, (i) a first scaled frame having a reduced number of pixels as compared to the full frame...
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6968011 |
Motion vector detecting device improved in detection speed of motion vectors and system employing the same devices
The control circuit controls output of template block data held in the input section such that a plurality of operation units within the operation section are provided with data of unadjacent...
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