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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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8174560 |
Video camera
A video camera can be configured to highly compress video data in a visually lossless manner. The camera can be configured to transform blue and red image data in a manner that enhances the...
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8165212 |
Video encoding method, and video decoding method
Provided is a video coding method and a video decoding method increasing the resolution and quality of images while suppressing an amount of data required for increasing the resolution. A video...
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8165213 |
Frame conversion apparatus and method, and frame type detection apparatus and method
Provided are a frame conversion apparatus and method and a frame type detecting apparatus and method. The frame conversion apparatus may include a detecting unit and an inverse telecine unit. The...
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8165214 |
Circuit and method for generating fixed point vector dot product and matrix vector values
An integrated circuit (102) and method computes fixed point vector dot products (424) and/or matrix vector products using a type of distributed architecture that loads bit planes (add 00-add30) and...
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8155203 |
Method for transcoding a data stream comprising one or more coded, digitised images
An input data stream coded using a first coding method and containing at least one coded digitized image is converted into an output data stream that is coded using a second coding method. The...
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8149918 |
Method of estimating coded block pattern and method of determining block mode using the same for moving picture encoder
Provided are a coded block pattern (CBP) estimating method which is performed using an average value and a dispersion value between blocks of CBPs in a moving picture encoder for IP-TVs (Internet...
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8144767 |
Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
An image information decoding method for decoding compressed image information which has been coded via a process including dividing an input image signal into blocks, performing an orthogonal...
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8139636 |
Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
An image information decoding method for decoding compressed image information in an image decoding apparatus, which has been coded via a process including dividing an input image signal into...
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8130828 |
Adjusting quantization to preserve non-zero AC coefficients
A video encoder identifies one or more AC coefficients of each of plural blocks in the picture. The encoder identifies a threshold quantization step size such that the identified AC coefficient(s)...
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8126052 |
Motion image encoding apparatus, motion image decoding apparatus, motion image encoding method, motion image decoding method, motion image encoding program, and motion image decoding program
A motion image decoding apparatus for generating a prediction signal in blocks is provided with a low-resolution block decoder for generating a low-resolution block with a smaller number of pixels...
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8121428 |
Accelerated image rendering
Systems and methods are presented for accelerated image rendering. In one implementation, the systems and methods receive digital image data and derive intermediate data associated with the digital...
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8111753 |
Video encoding method and video encoder for improving performance
Video encoding methods and video encoders that provide improved performance while reducing power consumption. In one aspect, a video encoding method comprises the steps of outputting a parameter...
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8107527 |
Progressive block encoding using region analysis
The present invention provides a method of progressively encoding and transmitting visual data. First image information updates are acquired for a region of visual data. The region of visual data...
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8102913 |
DCT/Q/IQ/IDCT bypass algorithm in MPEG to AVC/H.264 transcoding
In one embodiment, a first DCT block of coefficients is received from a transcoding process. The DCT block is of a first size, such as an 8×8 size, and in a first coding standard, such as MPEG-2. ...
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8098728 |
Compressing and decompressing multiple, layered, video streams employing multi-directional spatial encoding
A process for compressing and decompressing non-keyframes in sequential sets of contemporaneous video frames making up multiple video streams where the video frames in a set depict substantially...
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8085852 |
Inverse tone mapping for bit-depth scalable image coding
A method performs inverse tone mapping of an image in a decoder. For each block of each color channel of the image the following steps are performed. A scaling factor is determined for a current...
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8073267 |
Apparatus and method for transforming between discrete cosine transform coefficient and discrete wavelet transform coefficient
Provided is an apparatus and method for transforming between a DCT coefficient and a DWT coefficient. The transforming apparatus includes a first fundamental matrix calculating unit, a second...
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8064635 |
Method for watermarking a digital data set and device implementing said method
The invention relates to a method of watermarking a data set comprising the steps of: selecting, in the data set, at least one group of two data; andmodifying at least one data of the group. The...
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8064710 |
Image processing apparatus, method of controlling thereof, and program
An object of the present invention is to detect characteristics of images such as blurring and the like without expanding compressed and stored image data. And, the above-described detection is...
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8054888 |
Apparatus and method for converting a codec of image data
A system and method for converting a codec of image data is provided. The system includes a syntax converter for selectively converting first image data having a first syntax into second image data...
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8045618 |
Method and apparatus for MPEG-2 to VC-1 video transcoding
A method for transcoding from an MPEG-2 format to a VC-1 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the MPEG-2 format to generate a...
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8040946 |
Audio/video data synchronization apparatus for transmitting uncompressed audio/video data
Disclosed is an audio/video data synchronization apparatus for directly transmitting decoded audio/video data to an external device, without compressing the data, using UWB communication. The...
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8027387 |
Moving picture coding apparatus utilizing a DCT coefficient for performing intra-coding
In a moving picture coding apparatus, a first determining section determines whether the parameter is less than or equal to a predetermined threshold and a first measuring section, for each divided...
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8006168 |
Apparatus and method for applying unequal error protection during wireless video transmission
Wireless transmission of high-definition video, whether essentially uncompressed or compressed, is prone to errors during reception due to the condition of the wireless link. To ensure video...
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7974483 |
Method and corresponding device for block coding data
The method for block coding data, such as video data, via a compression operation includes applying to input-data blocks a discrete-cosine-transform (DCT) operation and a quantization operation to...
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7974346 |
System and method for generating video data for implicit coefficient prediction decoding
A predictive video coder performs gradient prediction based on previous blocks of image data. For a new block of image data, the prediction determines a horizontal gradient and a vertical gradient...
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7953156 |
System and method for encoding and decoding enhancement layer data using descriptive model parameters
There is provided an image encoding system (300, 400) including an encoder (300) for receiving input image data and generating corresponding encoded image output data. The encoder includes image...
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7949047 |
System and method for partial intraframe encoding for wireless multimedia transmission
Digital multimedia includes intraframe information and interframe information. In addition to sending separate complete intraframes that are referenced by interframes, some interframes...
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7949196 |
Low complexity and unified transforms for video coding
A method and apparatus is disclosed herein for decoding data (e.g., video data) using transforms. In one embodiment, the decoding process comprises scaling a block of coefficients using a scaling...
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7945102 |
Data encoding apparatus, data encoding method, data output apparatus, data output method, signal processing system, signal processing apparatus, signal processing method, data decoding apparatus, and data decoding method
An apparatus for encoding data includes a receiving section, a signal-deteriorating factor generation section, and a data-encoding section. The signal-deteriorating generating section generates a...
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7929607 |
Video encoding/ decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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7924317 |
Method and apparatus for reducing motion blur in digital images
A method and apparatus for reducing motion blur in digital images. An imager captures a reference frame and a plurality of target frames. Feature blocks preferably containing strong two-dimensional...
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7924923 |
Motion estimation and compensation method and device adaptive to change in illumination
Provided are a motion estimation device and method adaptive to change in illumination. The motion estimation method includes the steps of: generating a current frame pattern block and a reference...
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7912159 |
Enhanced denoising system
A method and apparatus for processing a received digital signal that has been corrupted by a channel is disclosed. The method includes storing the received digital signal and receiving a partially...
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7912127 |
H.264 to VC-1 and VC-1 to H.264 transcoding
A method for transcoding from an H.264 format to a VC-1 format. The method generally comprises the steps of (A) decoding an input video stream in the H.264 format to generate a picture having a...
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7903739 |
Method and apparatus for VC-1 to MPEG-2 video transcoding
A method for transcoding from a VC-1 format to an MPEG-2 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the VC-1 format to generate a...
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7894531 |
Method of compression for wide angle digital video
A system and method for varying the level of detail encoded in a video. In a preferred embodiment, some regions of a wide-angle video scene are encoded in an almost lossless manner, while other...
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7881379 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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7881384 |
Method and apparatus for H.264 to MPEG-2 video transcoding
A method for transcoding from an H.264 format to an MPEG-2 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the H.264 format to generate a...
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7881382 |
Video encoding/ decoding method and apparatus for motion compensation prediction
A video encoding apparatus includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at...
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7881378 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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7881370 |
Method of selecting among n spatial video CODECs the optimum CODEC for a same input signal
The invention relates to a method of selecting among N “Spatial Video CODECs” where N is an integer number greater than 1, the optimum “Spatial Video CODEC” for a same input signal I. “Spatia...
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7876817 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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7876824 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding apparatus includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at...
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7876825 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding apparatus includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at...
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7876826 |
Video encoding/decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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7876822 |
Video encoding/ decoding method and apparatus for motion compensation prediction
A video encoding apparatus includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at...
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7873108 |
Video encoding/decoding method and apparatus
A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one...
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7873109 |
Video encoding/ decoding method and apparatus for motion compensation prediction
A video encoding method includes selecting one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least...
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