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Class 382/232 - IMAGE COMPRESSION OR CODING


Subclass of Class 382 - Image analysis
Definition: Subject matter in which the quantity of data used to represent
No. of patents: 3305
Last issue date: 05/29/2012


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NumberTitleIssue Date
8189932Image processing apparatus and image processing method
An image processing apparatus includes a horizontal analysis filtering unit that receives image data in units of lines and generates a low-frequency component and a high-frequency component by performing horizontal low-pass analysis filtering and horizontal high-pas...
05/29/2012
8189934Image coding apparatus and image decoding apparatus
Provide is an image decoding apparatus which reliably prevents deterioration of the image quality of decoded images which have been previously coded. An image decoding apparatus (200) includes: an inverse quantization and inverse orthogonal transform unit (
05/29/2012
8189933Classifying and controlling encoding quality for textured, dark smooth and smooth video content
Techniques and tools for content classification and adaptive quantization are described. In an example implementation, a video encoding tool classifies blocks as textured, dark smooth or other smooth. The tool classifies a block as textured or non-textured by compar...
05/29/2012
8189935Data processing device, image encoding/decoding device and data processing system
To reduce a processing load of an external CPU, when a large amount of data is initially set frequently to an image coding/decoding device. The image encoding/decoding device (data processing device) includes a first circuit and a second circuit for providing initia...
05/29/2012
8184917Image processor
The image processor processes each pixel of a halftone image by sequentially setting each pixel as a target pixel. A converting unit converts a pixel density of the target pixel into a first output value. An error data calculation unit calculates error data of the t...
05/22/2012
8180163Encoder and decoder and methods of encoding and decoding sequence information with inserted monitor flags
The present disclosure describes encoding sequence information into a sequence of display frames for display on a display device. An example of encoding sequence information includes generating the sequence of display frames, inserting monitor flags within each disp...
05/15/2012
8180164OCR-guided text tokenization of digital images
An image processing method in which OCR is used to guide the text tokenization. More particularly, OCR is first performed on each symbol in the scanned image. For example, a symbol may be a number, letter, or other character. During the tokenization process, the OCR...
05/15/2012
8175398Method for encoding a plurality of video signals into a single video signal
A method of encoding video signals into a single video signal includes extracting background images from corresponding video signals, encoding the video signals into a single video signal, the single video signal containing information for reconstructing the video s...
05/08/2012
8175396Method and apparatus for encoding and decoding multi-view images based on global disparity vector
A method and apparatus for encoding and decoding multi-view images. The multi-view image encoding method selects a block corresponding to a current block from another picture having a view-point which is different from a view-point of a current picture to which the ...
05/08/2012
8175395System and method for dynamically switching quality settings of a codec to maintain a target data rate
A video compression system includes a compression module to compress each of a plurality of segments of an input signal using an initial quality setting. A rate calculation module calculates, for each compressed segment, a data rate for an output signal that would r...
05/08/2012
8175397Device adaptively switching image processes in accordance with characteristic of object included in image
The present invention relates to a device configured to determine whether to perform transform processing from image data into vector data in accordance with characteristics of an object. The device is configured: to separate an object from image data; then to deter...
05/08/2012
8170354Systems and methods of inter-frame compression
A system and method for rendering images, and performing operations such as windowing and leveling, when the parameters of a client appliance are known and rendering images when the parameters of a client appliance are unknown. The invention also considers the rende...
05/01/2012
8170353Information processing apparatus and control method thereof
The present invention provides an information processing apparatus and control method thereof and a storage medium that stores its control program capable of generating a code image with the optimum device in accordance with the amount and/or contents of the informa...
05/01/2012
8165411Method of and apparatus for encoding/decoding data
Provided is a method of and apparatus for compressing/decompressing data, in which lossless compression is applied to a raw data transfer mode in order to decompress data into high-quality data in a encoder/decoder (CODEC) system. A method of encoding data includes ...
04/24/2012
8165412Method for decoding binary image at high speed
A method for decoding a binary image at a high speed, wherein blocks having same pixel values are decoded in clock units, such that a decoding speed increases. The method includes: determining whether a predetermined number of sequential pixels corresponds to any on...
04/24/2012
8160372Optimized backward reference selection with reduced entropy for image compression
A system (and a method) are disclosed for optimizing lossless data compression in digital images systems. The system includes an optimized backward reference selection module and an entropy encoder. The optimized backward reference selection module selects the backw...
04/17/2012
8155456Method and apparatus for block-based compression of light-field images
A method and apparatus for the block-based compression of light-field images. Light-field images may be preprocessed by a preprocessing module into a format that is compatible with the blocking scheme of a block-based compression technique, for example JPEG. The com...
04/10/2012
8155454Method and apparatus for encoder assisted post-processing
Devices and methods for processing multimedia data to generate enhanced quality multimedia data at the receiver based on encoder assisted post-processing. In one aspect, processing multimedia data includes identifying an indicator of a post-processing technique, enc...
04/10/2012
8155458Image processing apparatus and image processing method, information processing apparatus and information processing method, information recording apparatus and information recording method, information reproducing apparatus and information reproducing method, recording medium and program
The present invention can code an I-picture that satisfies a predetermined condition using parameter information. When it is determined at step S1 that a picture type is the I-picture, it is determined at step S2 whether or not the phase of a macro blo...
04/10/2012
8155455Image capturing system and method thereof
An image capturing system comprises a storage device and a transcoder module coupled to the storage device. The storage device stores image data of a captured still image compressed by a first coding format configured. The transcoder module transcodes the image data...
04/10/2012
8155457Robust encoding of metadata in lossy encoded images
Processing an image with embedded metadata by determining an integer value of a byte and separate the integer value into a plurality of digits, converting each of the digits into an encoding value using a predefined conversion function, selecting a pixel block in a ...
04/10/2012
8150171Apparatus for and method of decoding moving picture, and computer product
In a moving picture decoding apparatus, a variable-length decoding circuit decodes motion vectors for each macroblock from a bit stream and stores the motion vectors. An error correction circuit calculates a reference vector for an error macroblock using the motion ...
04/03/2012
8150172Video coding mode selection using estimated coding costs
A method and system for coding mode selection using estimated coding costs. To provide high compression efficiency, for example, an encoding device may attempt to select a coding mode for coding blocks of pixels that codes the data of the blocks with high efficiency...
04/03/2012
8150173Image coding method and apparatus, and image decoding method and apparatus
In an image coding apparatus, a ROI setting unit sets a ROI region in an image. An entropy coding unit entropy-codes the image. A ROI information coding unit encodes information for specifying the ROI region. A codestream generator generates a codestream in a manner...
04/03/2012
8150177Image processing apparatus, image processing method, defect detection method, semiconductor device manufacturing method, and program
An image processing apparatus which compresses an image, the apparatus includes: a storage unit which stores a code book, the code book being prepared by allocating identification codes to code blocks, the code blocks being formed by executing quantization processin...
04/03/2012
8150174Method and apparatus for encoding and decoding multi-view image
A method and apparatus for encoding and decoding a multi-view image for a multi-view display apparatus are provided. The method of encoding a multi-view image includes: compressing a multi-view image based on a reference image relative to multiple views; generating ...
04/03/2012
8150176Method and apparatus for controlling a compression rate for a file
Provided are a method and apparatus for determining a target compression rate for a file, which may be calculated using a predetermined algorithm based on a target file size. There is provided a method for compressing a file, the method including using a processor t...
04/03/2012
8150175Systems and methods for image handling and presentation
Certain embodiments provide systems and methods for adaptive compression, transmission, and display of clinical images. Certain embodiments provide a method for adaptive compression of image data for transmission and display at a client workstation. The method inclu...
04/03/2012
8144997Method for enhanced image decoding
A method of processing an image includes the steps of receiving selection of the first region of interest (ROI) of an image, processing the first image data related to the first ROI, displaying the first image ROI based on the first image data, receiving selection o...
03/27/2012
8144998Image processing apparatus and method thereof
The present invention relates to an image processing method and apparatus for processing compressed image generated by segmenting image data into a plurality of MCUs and using a compression method in which a frequency transformation is applied to each MCU. In a case...
03/27/2012
8144999Image capturing apparatus, image processing apparatus and control methods thereof with data conversion
An image capturing apparatus determines an image frame to extract as a reference image frame from a plurality of image frames constituting a moving image, using a histogram, for example, and generates a reference image data file. An encoder unit encodes the pluralit...
03/27/2012
8145000Image data compressing method and image data compressing apparatus
An image data compressing method, including: storing a plurality of data components of an original image data; assigning a value to a first bit sequence, where the first bit sequence includes a first group of bits associated with zero data components in the pluralit...
03/27/2012
8145001Methods and systems for proxy medical image compression and transmission
In accordance with one or more implementations of the present principles, digital medical images may be efficiently transmitted between industry protocol compliant stations. Proxies may be employed to intercept messages and data transmitted between the stations and ...
03/27/2012
8139873Binary image data processing system and method
The image data processing system and method disclosed, processes intermediate compressed binary data representing images scanned for copy or exporting, thereby enabling storage of the copy or export file to a common memory storage device. According to an exemplary e...
03/20/2012
8139872Splitting file types within partitioned images
The claimed subject matter provides a system and/or a method that facilitates optimally and efficiently utilizing an image file format. A server can host an image that is partitioned into two or more tiles, wherein the two or more tiles collectively represent the im...
03/20/2012
8139874Disk sector allocation for high performance access to images
An image data storage system and associated method store, on one or more disk drives in a disk drive array, original image data for different images as well as multiple resolution levels of compressed image data for each image. The lowest resolution level image data...
03/20/2012
8139871Circuit and method for adaptive, lossless compression of successive digital data
An image compression and decompression method compresses data based upon the data states, and decompresses the compressed data based upon the codes generated during the compression. ...
03/20/2012
8140603Distributing limited storage among a collection of media objects
A quality level determining the extent to which each image file is compressed is automatically computed for each image file in a set to ensure that the total size of the compressed image files does not exceed a predefined limit. The compressed size of each image fil...
03/20/2012
8135223Image processing apparatus and method of image processing
An image processing apparatus that generates a code stream that encodes image data and includes a dividing unit that divides the image data into at least one rectangular area, a conversion unit that converts data of the rectangular area into conversion data, an orde...
03/13/2012
8135224Generating image data
The present invention concerns the generation of image data, particularly, though not exclusively for motion estimation in the context of video coders employing inter frame differential coding. A method is provided for generating image data using a set of sampled pi...
03/13/2012
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