Samsung Electronics Co., Ltd.

Chan-sik Park

Kyo-hyuk Lee

Ki-won Yoo

Sung-Oh Kim

Jae-moon Kim

Hyung-Ju Chun

Young-ho Moon

Yong-Chul Kim

Jin-han Kim

Sang-kwon Na

Sung-han Lee

Myung-ho Kim

Chang-su Han

Sang-Kook Choi

Chan-Yul Park

Jae-kyung Lee

Jae-man Jang

Yong-min Jun

Kyung-hwan Cho

A method of performing embedded compression (EC) on image data includes receiving decoded image data; determining a block size of image data waiting for embedded compression from among the received image data; and comparing the determined block size of the image data waiting for embedded compression with an EC block size that is an embedded compression unit, the method further including: if the determined block size of the image data waiting for embedded compression is equal to or greater than the EC block size, embedding and compressing the received image data; and if the determined block size of the image data waiting for embedded compression is smaller than the EC block size, storing tag information of the received image data.

Method, apparatus, and computer-readable recording medium for efficiently performing embedded compression of data

According to an embodiment of the present disclosure, an electronic device may comprise a memory and a processor configured to produce compressed data by compressing data including a first block and a second block stored in the memory, wherein the processor may be configured to include a first replacement data table corresponding to first sub-data in the compressed data, the first sub-data included in the first block, and the first replacement data table produced based on, at least, rankings of first frequencies for the first sub-data, and include information for reference to the first replacement data table, corresponding to the second block, when second sub-data included in the second block and rankings of second frequencies for the second sub-data meet a designated condition with respect to the first sub-data included in the first block and the rankings of the first frequencies. Other embodiments are also possible.

Electronic device for compressing data and method for operating the same

A video decoding method includes obtaining a motion vector of a current block belonging to a first picture from a bitstream, performed by a first decoding unit; determining whether a reference block indicated by the motion vector is decoded, performed by the first decoding unit; and decoding the current block, based on whether the reference block is decoded. The reference block is included in a second picture decoded by a second decoding unit. The first picture and the second picture are decoded in parallel.

Method and apparatus for parallel video decoding based on multi-core system

Provided are a method and an apparatus for decoding an image by accessing a memory by a block group. The method comprises checking information regarding a size of one or more blocks included in a bitstream of an encoded image, determining whether to group one or more blocks for performing decoding, based on the information regarding the size of the one or more blocks, setting a block group including one or more blocks based on the information regarding the size of the one or more blocks, and accessing a memory by the block group to perform a parallel-pipeline decoding process by the block group.

Enhanced data processing apparatus employing multiple-block based pipeline and operation method thereof

Provided are methods and apparatuses for performing motion estimation encoding and decoding on a video. A method of encoding a video includes splitting a picture by using a maximum coding unit; splitting the maximum coding unit into prediction units, according to a split mode indicating a split form of the maximum coding unit; performing motion estimation on a prediction unit having a size equal to or less than a predetermined size from among the prediction units included in the maximum coding unit, and obtaining a motion vector of the prediction unit having the size equal to or less than the predetermined size; and obtaining a motion vector of a prediction unit having a size greater than the predetermined size, by using the motion vector of the prediction unit having the size equal to or less than the predetermined size.

Methods and apparatuses for encoding and decoding video

A method and apparatus for transmitting a user's intention using a captured image, the method including: if a signal for selecting an article category is received from a terminal, capturing articles belonging to the article category and transmitting the captured image of the articles to the terminal; receiving from the terminal tag information indicating user's intention generated based on the captured image; and mapping the received tag information to a predetermined position on the captured image and transmitting the captured image with the mapped tag information to the terminal.

Method and apparatus for transmitting user intention using captured image

An encoding and decoding method and apparatus are disclosed. whereby, According to the disclosed method, in response to a current frame including a current block being a P frame, a motion vector and an intra-mode-to-inter mode ratio of a frame encoded and decoded previously to the current frame are analyzed in order to determine a temporal search range and a spatial search range of a reference frame.

Method and apparatus for encoding and decoding an image by using an adaptive search range decision for motion estimation

An image encoding apparatus is provided, including a lossless compression unit that performs lossless compression on deblocked data on a window basis during encoding of image data; a lossless compression controller that determines a relation between the deblocked data and the losslessly compressed deblocked data and determines a size of the window; a cache controller that selects losslessly compressed deblocked data corresponding to reference data used for motion compensation or motion estimation from the losslessly compressed deblocked data, based on the relation between the deblocked data and losslessly compressed deblocked data; a lossless compression reconstruction unit that decodes the selected losslessly compressed deblocked data to reconstruct the reference data; and a cache storage unit that stores the reconstructed reference data.

Method and apparatus for bandwidth-reduced image encoding and decoding

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 performing intraprediction within a current frame and performing interprediction between the current frame and a reference frame, applying lossless compression in input data in a raw data transfer mode in which raw data is transferred within an input frame, and comparing a predetermined parameter generated by the intraprediction and the interprediction with a predetermined parameter generated by the lossless compression, in order to select one of a prediction mode and a lossless compression mode.

Method of and apparatus for encoding/decoding data

A method of fabricating a semiconductor device is provided. The method includes preparing a semiconductor substrate having first and second regions, forming a mask layer pattern on the second region, growing an oxidation retarding layer on the first region and removing the mask layer pattern. The method further includes growing a silicon oxide layer on the semiconductor substrate to form gate insulating layers having different thicknesses from one another on the first and second regions.

Method of fabricating semiconductor device having multiple gate insulating layer

An apparatus for compensating for dispersion of an optical fiber in an optical line, which compensates for dispersion generated in the optical fiber when an optical signal produced by an optical transmitter is transmitted to an optical receiver via the optical line, is provided. The apparatus includes a dispersion compensation fiber for compensating an optical signal produced by an optical transmitter in order to predict and compensate for dispersion generated in the optical line, a dispersion compensation filter for controlling the dispersion value of the optical signal dispersion-compensated by the dispersion compensation fiber, to gain zero overall dispersion, and an optical amplifier for amplifying a signal having a dispersion value adjusted by the dispersion compensation filter and outputting the result to the optical line. Accordingly, it is easy to zero a dispersion value of an optical fiber in the optical line by regulation of the dispersion compensation fiber and filter. When the dispersion value varies with the deterioration of the optical fiber in the optical line, continuous compensation is not possible using only the dispersion compensation fiber. However, continuous compensation is easily made by adding the dispersion compensation filter.

Apparatus for compensating for dispersion of optical fiber in an optical line

A method for forming an integrated circuit isolation layer includes the steps of forming a patterned masking layer of a semiconductor substrate, forming an oxygen diffusing layer on the patterned masking layer and the exposed portion of the semiconductor substrate, and forming an isolation layer on the exposed portion of the substrate. In particular, the oxygen diffusing layer can be a layer of SiON, and the oxygen diffusing layer can have a thickness in the range of 30 .ANG. to 150 .ANG.. The oxygen diffusing layer and the mask layer can then be removed completing the isolation layer.

Methods for forming integrated circuit isolation layers using oxygen

An oxidizing apparatus and a method for forming an oxide film by controlling the oxide film growth using the same are provided. The apparatus includes an oxide film growing means, oxide film thickness measuring means and controlling means in order to form an oxide film of a desired thickness on a wafer. Here, the controlling means automatically calculates the oxide film growing time corresponding to a target thickness of an oxide film to be grown on the wafer. Accordingly, operation is simplified and a differing thicknesses of the oxide film in each batch is minimized, to thereby enhance reliability with respect to a precess and produce uniform product.

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Hwaseong-si, South Korea

Chan-sik Park