|
Match
|
Document |
Document Title |
|
|
8107755 |
Information processing apparatus and method
An information processing apparatus for encoding image data includes: a rearranging unit for rearranging coefficient data divided for each frequency band in order of executing synthesis processing...
|
|
|
7787698 |
Sign coding and decoding
Embodiments of the invention provide an instruction that computes the horizontal and vertical values (H,V) based upon the predefined equations. Based upon the horizontal and vertical values (H,V)...
|
|
|
7680344 |
Encoding control circuit and encoding circuit
It is possible to control the number of generated codes while retraining deterioration of an image quality by an encoding circuit constituted so as to select any of a first image signal not...
|
|
|
7529417 |
Apparatus, method and storage medium for image encoding/decoding using shape-based coefficient interpolation
An image encoding/decoding apparatus is provided, including a frequency band division unit for dividing image data into a plurality of frequency bands to generate sub-band coefficients, a sub-band...
|
|
|
7474767 |
Motion detection using multi-resolution image processing
Motion detection using sub-band image processing. A device has decompose logic that decomposes an input image into composite images that comprise different frequency bands of the input image. The...
|
|
|
7382923 |
Method and device for processing and decoding a coded digital signal
The present invention concerns a method of processing a coded digital signal containing on the one hand a set of samples of different types obtained by coding a set of original samples representing...
|
|
|
7254267 |
Encoder for volume data
A volume data encoder with high encoding efficiency is provided. The object of the coding is volume data which contains a plurality of tomogram planes output from a CT and an MRI. A header analysis...
|
|
|
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...
|
|
|
6999673 |
Moving picture decoding method, moving picture decoding apparatus and program recording medium
A moving picture decoding apparatus is provided which reduces the deterioration in image quality due to errors by a concealment processing for decoded image data, thereby improving the image...
|
|
|
6980597 |
Fine granularity scalability using bit plane coding of transform coefficients
A system for efficient bit plane coding of transform coefficient data, such as DCT data used in a video coding system. Decimal values for the transform coefficients are converted to binary values,...
|
|
|
6888891 |
Wavelet domain half-pixel motion compensation
A wavelet domain half-pixel motion compensation process that reduces aliasing effects that down sampling causes in the wavelet transform uses an H-transform and provides motion estimation and...
|
|
|
6865291 |
Method apparatus and system for compressing data that wavelet decomposes by color plane and then divides by magnitude range non-dc terms between a scalar quantizer and a vector quantizer
An apparatus and method for image data compression performs a modified zero-tree coding on a range of image bit plane values from the largest to a defined smaller value, and a vector quantizer...
|
|
|
6788811 |
Coding apparatus, decoding apparatus, coding method, decoding method, amd computer-readable recording medium for executing the methods
A coding apparatus which can simplify a coding circuit and also simplify the processing of quantization. Image data that consists of R-, G-, and B-color components read from a scanner into buffers...
|
|
|
6778709 |
Embedded block coding with optimized truncation
A multi-layer embedded bitstream is generated from a subband decomposition by partitioning each subband of the decomposition into a plurality of blocks; and encoding the blocks of each subband. The...
|
|
|
6768518 |
Method and apparatus for removing a checkerboard-like noise artifact from a captured composite NTSC video frame
A wavelet domain filtering technique is disclosed that removes or at least minimizes checkerboard-like noise artifacts that result from capturing a composite NTSC video signal. A Haar basis filter...
|
|
|
6738523 |
Parallel inverse discrete wavelet transform
It is, therefore, an object of the present invention to provide a structure and method of processing signals, which includes transforming a signal into subbands by applying a forward discrete...
|
|
|
6693961 |
System and method of video frame memory reduction of video decoders
Embodiments of the invention comprise a new device and method to realize an improved video frame memory reduction for a video decoder. In one embodiment, this improvement is achieved by a removal...
|
|
|
6661842 |
Methods and apparatus for error-resilient video coding
Apparatus and methods are provided for encoding an input frame of a video sequence for transmission over a channel. The method and apparatus decompose the input frame into multiple subbands and...
|
|
|
6553147 |
Apparatus and method for data partitioning to improving error resilience
An apparatus and a method for partitioning data to improve error resilience. Specifically, one or more segment markers (symbols) are entropy encoded along with the bitstream (payload) into a packet.
|
|
|
6553071 |
Motion compensation coding apparatus using wavelet transformation and method thereof
A motion compensation coding apparatus using a wavelet transformation and a method thereof are capable of detecting a motion vector with respect to a block having a certain change or a motion in an...
|
|
|
6411653 |
Cascaded polyphase DFT-filter band for a wireless telecommunications system
A technique for reducing computational and storage requirements of cascaded polyphase DFT-filter bank for receiving and transmitting telecommunications is disclosed. The cascaded polyphase...
|
|
|
6154493 |
Compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image
What is disclosed is a method that includes splitting raw image data into a plurality of channels including color plane difference channels, and then compressing separately each of these channels...
|
|
|
6125143 |
Picture encoding device and method thereof, picture decoding device and method thereof, and recording medium
A picture is divided into either one of three types of macroblocks and then encoded in such a manner that block distortion, mosquito noise and ringing are reduced while picture coding efficiency is...
|
|
|
5719627 |
System and method for motion compensation on sub-band represented signals of motion picture
For digital signals provided with motion vectors of a plurality of regions, a conversion coefficient for a respective one of the motion vectors is determined in accordance with the respective...
|
|
|
5657085 |
Wavelet transform coding method
An improved coding performance for wavelet transform coding. The method comprises: two-dimensional wavelet transforming an input picture signal to output transform coefficients; two-dimensionally...
|
|
|
5604602 |
Process and device for bite-rate reduction for the recording of images on a video recorder
A method comprising breaking an image down into sub-bands, performing a pre-analysis of the image in image blocks, recursively and adaptively assigning the available bit-rate to each pixel in the...
|
|
|
5276525 |
Two-dimensional block scanning for subband image and video coding
A signal coder is disclosed with improved compression of pictorial data that has been decomposed into plural subbands through a two-dimensional quadrature-mirror decomposition (102). In each of the...
|
|
|
5210609 |
Noise reduction circuit for high definition video signal
In ATV (Advanced Television) system which compresses the band of high-definition video signal by using sub-band coding method, the high frequency components of the high-definition video signal are...
|