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7200275 Skip macroblock coding  
Various techniques and tools for encoding and decoding (e.g., in a video encoder/decoder) binary information (e.g., skipped macroblock information) are described. In some embodiments, the binary...
7197189 System and method having removable storage medium with data compression  
A method and related system for managing data compression activities within a removable storage device that is receivable by a host device. An exemplary embodiment of the storage device typically...
7194140 Image processing apparatus and method which compresses image data of each region using a selected encoding method  
This invention has as its object to provide an image processing apparatus, which can obviate the need for image re-input, can effectively generate encoded data that falls within a set size, and...
7194135 Image recording device  
An image recording device that compresses and records image data is provided wherein noise reduction is recursively performed on the non-compressed image signals and the feedback gain or the...
7187803 Motion detecting device and search region variable-shaped motion detector  
An overall motion detecting device (1) includes a search region variable-shaped motion detector (2) and an overall motion information generator (3). The overall motion information generator (3)...
7181072 Intra compression of pixel blocks using predicted mean  
An apparatus and method for encoding video frames is provided. The video frames are divided into blocks for encoding. Encoding of the video blocks utilizes motion detection, motion estimation and...
7174046 Image quantization and coding based on adaptive threshold  
A monitoring unit monitors continuously wavelet transform component output from a wavelet transformer. When a condition “make all the components of the HH sub-band 0” is applied as a quantization...
7170941 Temporal compression  
The present invention discloses a temporal compressor and decompressor for sequences of images. The compressor includes an interface for receiving the sequence of images. A spatial compressor...
7167932 System and method for DMA data transferring apparatus and liquid ejection apparatus  
Compressed recording data is DMA-transferred to a receiving buffer unit via a system bus one word each. It is DMA-transferred from the receiving buffer unit to a DECU via the system bus. It is...
7167591 Image encoding method and image decoding method  
The present invention provides an image coding method and an image decoding method by which an image can be restored correctly even if part of memory management information is lost by a...
7167263 Multifunction peripheral apparatus, external controller for the same, and their control method  
In an external print controller added to an MFP, bit map data obtained by analyzing and developing received PDL data is once compressed and, subsequently, transferred via a PCI bus. In the...
7164801 System and method for efficiently encoding an image by prioritizing groups of spatially correlated coefficients based on an activity measure  
An encoder (300) selects (702, 1302, 1304,1306,1308) one or more subsets of spatially or temporally correlated transformed data coefficients, on the basis of the significance of each subset in...
7164369 System for improving storage efficiency of digital files  
Data is partitioned and processed along a bit plane that includes symbols holding a particular place in the ordered symbol sequences of digital information to achieve efficient compression and...
7162080 Graphic image re-encoding and distribution system and method  
An image file, which typically represents a palette-based image that has been encoded using a first predefined run-length based encoding method, is decoded to produce an image data array. The...
7161983 Adaptive motion vector field coding  
A method for motion compensated encoding of video data. The method comprises the steps of: generating a motion vector field of video pixels of a current frame to be coded based on a reference...
7151856 Picture coding apparatus and picture coding method  
A frame group target bits number calculating unit (31) reads the total number of bits on frame group basis allocatable to residual frames from a storing unit (36), updates subtracting the number...
7146039 Image compression apparatus and image compression program  
An image compression apparatus for compressing image data that includes luminance signal and chrominance signals includes an image judgement part that judges characterizing features of the image...
7145696 Print data compression method and printer driver  
A printer driver software product is provided for execution by a computer to produce compressed page data corresponding to a page layout. The driver includes instructions to generate...
7146052 Image processing apparatus and surveillance camera system utilizing the same  
A surveillance camera system includes a multiplexer. The multiplexer successively selects image data output from each surveillance camera one by one so as to input the selected image data to an...
7142721 Method of image compression  
A method for image compression is described. The method compresses computer images for efficient transfer of consecutive compressed images through a network. The method comprises loading two...
7136531 Image encoder, image encoding method, image encoding computer program, and storage medium  
An image encoder of the present invention includes an encoder unit for generating first encoded data, re-encoder unit for re-encoding the first encoded data to generate second encoded data,...
7133151 Adaptive processing for images of pages of a document  
An image processing apparatus has a compression rate predicting section for computing an improving rate of compression required for storing image data of the entire document in a image data...
7130474 Method and system for generating digital image files for a limited display  
A method for processing a digital color image for display and transmission includes the steps of (a) resizing the image to a lower display resolution to produce a display-sized image, (b)...
7130864 Method and system for accessing a collection of images in a database  
A method and system are disclosed for accessing a collection of images in a database. In accordance with exemplary embodiments of the present invention, each of the images is sorted into one of a...
7129962 Efficient video processing method and system  
A graphics processing device for converting coefficients in a video data stream from a first type, e.g., frequency-domain, to a second type, e.g., color-domain. The device includes an input for...
7127115 Image processing apparatus and method, computer program, and storage medium  
The present invention allows an image to be coded within a target size without necessitating the image to be input again during the coding of the image, with a mode reflecting a user's intention...
7127116 Image data compression  
A method and apparatus for image data compression is disclosed. According to one embodiment, image data may be received at a digital video camera having an encoder and a transmitter. The encoder...
7127113 Image processing method, storage medium, image forming apparatus and program with correction processing according to an attribute of an image  
The present invention aims to enable image attribute discrimination of an image indicative of compressed data, and hence correction processing on the image indicative of the compressed data. In...
7123771 System and method for directed acuity segmentation resolution compression and decompression  
A compression and decompression system and process for optimally compressing and decompressing multibit per pixel image regions based on the type of data contained in the image region, e.g.,...
7120304 Image data compressing apparatus  
When an nth frame of encoded data is stored in a compressed-data storage area that stores 15 frames of encoded data, a target amount of code of the nth frame is decided so as to become a value...
7116832 Method of compressing digital images  
A method is for compressing a digital image including a matrix of elements, with each element including at least one component of a different type for representing a pixel. The method includes...
7116835 Image processing apparatus and method, recording medium, and program  
A normalized activity calculating unit calculates a normalized activity that is calculated from luminescence component pixel values of an original image on the basis of information from an...
7110608 Digital image compression  
A method of reconstructing an image, where the input image data is preferably part I or part II compliant JPEG2000 coded data, or pixel data of the original image. The method selects (810) an...
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...
7104890 Program, recording medium, game character rendering method, and game apparatus  
A program which can dynamically and realistically express an impact which a game character rendered by motion data receives is provided. In bullet ball-related processing (S114), determination is...
7106799 Digital transcoding system  
A digital transcoder system is presented for receiving data bit streams with a first bit rate (R1) and outputting a data bit stream with a second bit rate (R2) which differs from the first bit...
7106908 Method and apparatus for selecting a format in which to re-encode a quantized image  
An apparatus and corresponding method (10) for reencoding an input image already encoded in some format in order to provide a possibly more suitable encoding, based on whether the input image is...
7106909 Method and apparatus for encoding image data in accordance with a target data size  
An encoder (103) encodes image data using a first parameter Q1, and a re-encoder (107) re-encodes the encoded result of the encoder (103) using a second parameter Q2. When the encoded data size...
7099513 Bit allocation process for multi-stage image compression  
A process and apparatus for allocating bits between the stages of a multi-stage digital image compression scheme with quantizer feedback is disclosed. The process selects a quantization schedule...
7095898 Image processing apparatus  
In a system for variable-length coding, when image data of a plurality of documents are compressed and stored in a compression memory, the image data is divided into a plurality of areas. Then,...
7095897 Zero length or run length coding decision  
When encoding and decoding bit planes, a decision is made in the clean up pass if zero coding or run length coding should be performed. Embodiments of the invention provide a zero coding or run...
7092577 Image compression device, image compression method, electronic camera, computer-readable medium for image compression, and computer system for compressing image data  
An image compression device includes a transformation part for subjecting image data to frequency decomposition and for determining transformation coefficients, a coefficient adjustment part for...
7092578 Signaling adaptive-quantization matrices in JPEG using end-of-block codes  
Previously-unused slots in a Huffman code table associated with a Joint Photographic Experts Group (JPEG) image file are associated with various quantization matrices (Q matrices) that are used to...
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 and...
7085423 Apparatus and method for filing and reproducing images  
The invention provides a data filing device for storing an original image as one electronic file by not uniformly encoding but in different systems for each of parts in the original image. The...
7085424 Method and system for compressing motion image information  
A method and system for compressing motion image information, which can compress data that can be subjected to predictive encoding. An image within a frame is divided into blocks before an...
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...
7075982 Video encoding method and apparatus  
A video encoding method includes executing a first encoding of encoding an input video signal in units of one frame, determining at least one of the number-of-bits allocation and a quantization...
7076106 Video objects coded by keyregions  
A coding protocol provides for coding video data that has been organized as video objects. The protocol provides a keyregion to permit coding of a region of data within the video object having...
7068717 Method and apparatus for dynamic allocation of scalable selective enhanced fine granular encoded images  
A method and system for dynamically selectively enhancing desired area or areas of a video image which are FGS encoded. The method comprising the steps of determining at least one of the FGS...