Samsung Electronics Co., Ltd.

Electronics and Telecommunications Research Institute

Woo-Young Jang

Eun Soo Nam

Kyung-Ho Kim

Jae Kyoung Mun

Chi Hoon Jun

Duhgoon Lee

Dong-Wook Kim

Young-Bae Park

Youn-ho Kim

Sang Choon Ko

Sang-Hoon Shin

Kyoung-Yong Lee

Woojin Chang

Hong-sig Kim

Young Rak Park

Seok-Hwan Moon

Sang-kon Bae

Sung-Bum Bae

Sang-hoon Shin

Jae-chan Park

Seong-Deok Lee

Min-hyung Chung

Seung-Wan Lee

Jeong-Jin Kim

Je Ho Na

Jin-Wook Choi

Soon-Jae Cho

Jin-wook Oh

Hyungyu Jang

Chan-ho Cho

Ho-seong Gi

Jae-Guyn Lim

Myung-hwan Yun

Dong-soo Suh

Chang-Lae Lee

Jin-Wook Jung

Sung-Ho Chang

Woo-Sup Han

Eung-Bum Kim

Wan-Hee Chun

Yeon-Bae Kim

Provided is a method of manufacturing a nitride semiconductor device. The method includes forming a plurality of electrodes on a growth substrate on which first and second nitride semiconductor layers are sequentially stacked, forming upper metal layers on the plurality of electrodes respectively, removing the growth substrate to expose a lower surface of the first nitride semiconductor layer, and forming a third nitride semiconductor layer and a lower metal layer sequentially on the exposed lower surface of the first nitride semiconductor layer.

Methods of manufacturing nitride semiconductor devices

A method, medium, and apparatus extracting avatar parameters using an avatar transformation algorithm from health state information measured from a user and generating an avatar using the extracted parameters. In the apparatus, a state analysis unit receives at least one among a bio-signal and questionary information of a user and outputs health state information, a parameter extraction unit extracts parameters defining an avatar image, and an avatar generation unit generates the avatar image using the parameters. By providing the method, medium, and apparatus, it is possible to provide a user with a convenience in recognizing his health state by generating an avatar image describing the user's future health state as well as the user's current health state. Further, it is possible to induce a user to manage his health constantly by maintaining a user's with the avatar image change.

Method, medium, and apparatus generating health state based avatars

A method and an apparatus for outputting body information of a user. The method of outputting the body information of a user comprises: designating coordinate points of the body information according to first, second, and third body information on a three-dimensional coordinate having the first, second, and third coordinates as coordinate axes; and outputting comparison information between the user body figure and the average body figure from the distance between the coordinate point of the body information of the average body figure designated on a three-dimensional coordinate in advance and the coordinate point of the body information of the user.

Method of outputting body information and apparatus therefor

In a device and a method for detecting a letter box for an MPEG decoder, the method includes performing processing area filtering for selecting a processing area of an image used to detect the letter box; performing intra-macroblock filtering for determining the letter box area based on a change level of pixels in macroblocks in one line of the image from the processing area; performing impulse data filtering for excluding the line being detected a high frequency component from the determined letter box area; performing inter-macroblock filtering for determining the letter box area based on a change level of lines between macroblocks of the image; performing inter-line filtering for determining a boundary of the letter box based on an average of the pixel values of the lines; and performing inter-picture filtering for outputting a boundary value of the letter box that has the highest frequency number as the boundary of the letter box in successive images.

Apparatus and method for detecting letter box, and MPEG decoding device having the same

An apparatus, medium, and method for measuring body fat. The apparatus may include a current generating unit generating a current having a predetermined range of variable frequency and applying the current to a desired area in a human body to be measured, a detector unit detecting a voltage generated from the desired area in response to the current having a variable frequency and detecting a frequency value at which impedance of the desired area is changed based on relation between the detected voltage and the variable frequency, and a body fat calculating unit calculating body fat thickness based on the detected frequency value. It is possible to measure body fat thickness in any part of a human body by applying a variable frequency current to a desired area. Therefore, health and fatness management can be accomplished for each part of a human body.

Apparatus, medium, and method for measuring body fat

A video decoding system capable of decoding compressed high definition (HD) MPEG video signals incoming from different channels includes a first channel video decoder, a second channel video decoder, a video signal processor and an arbiter, where the first and second channel video decoders decode video streams incoming from different channels to generate decoded video streams and request signals, the video signal processor performs signal processing on the decoded video streams, and the arbiter grants control of the video signal processor to the first and second channel video decoders.

System and method of decoding dual video signals

In a blood flow controlling apparatus using a magnetic field for controlling blood flow within a living body, and methods therefor, the blood flow controlling apparatus includes a magnetic field applying unit for supplying the magnetic field and applying the magnetic field to the living body, a blood flow measuring unit for measuring a blood flow signal including information about blood flow, and a blood flow controlling unit for controlling the blood flow according to the measured blood flow signal.

Apparatus for evaluating blood flow and controlling blood flow using a magnetic field and methods therefor

An impedance measurement system for measuring skin impedance in a small skin region includes an electrode unit having a plurality of current supply electrodes for supplying a constant current and a plurality of measurement electrodes separate from the current supply electrodes for measuring a response signal of skin, a current source for supplying the constant current to the current supply electrodes, a signal processing unit, connected to the measurement electrodes, for receiving response signals generated in the skin in response to the applied constant current, for generating a potential difference signal, for removing noise from the potential difference signal, and for amplifying the noise-removed potential difference signal, a signal conversion unit for converting the potential difference signal received from the signal processing unit from analog into digital format, and an image display unit for converting the digital potential difference signal into an image signal and for displaying the image signal.

Measurement system and electrode for measuring skin impedance in a small region of skin

Provided are a method of and an system for coding a grouped zerotree wavelet image having high coding efficiency regardless of the scale of a wavelet transform. According to an embodiment of the present invention, a method of coding an input image to a bitstream by using a zerotree wavelet transform, the method comprises merging a plurality of adjacent zerotrees, and coding the merged zerotrees to one symbol and outputting the symbol. The method further comprises transforming the input image to a wavelet domain having a plurality of wavelet coefficients via the zerotree wavelet transform, and generating the plurality of adjacent zerotrees each having the plurality of wavelet coefficients.

Method and apparatus for coding digital video signal based on grouped zerotree wavelet image coding algorithm

An apparatus for image coding using tree-structured vector quantization based on a wavelet transform and a method therefor are provided. The apparatus for image coding using a tree-structured vector quantization based on wavelet transform has a wavelet transform unit, a vector construct unit, an error vector unit, a scan unit, a first quantization unit and a second quantization unit. The wavelet transform unit wavelet transforms an input image signal. The vector construct unit constructs vectors, each having a tree structure in a different direction, using the wavelet transformed result. The error vector generation unit generates a plurality of error vectors by setting one of the vectors as a basic vector and performing a calculation on each of the vectors remaining with respect to the basic vector. The scan unit scans the coefficients of each of the basic vector and error vectors in a different direction. The first vector quantization unit generates a first codebook for the basic vector scanned in the scan unit, quantizes the scanned basic vector using the first codebook, and outputs the quantization result as the index of the first codebook. The second vector quantization unit generates a second codebook for the error vectors scanned in the scan unit, quantizes the scanned error vectors using the second codebook, and outputs the quantization results as the indices of the second codebook. According to the apparatus and method, the advantages of wavelet vector quantization and zerotree-coding are maximized so that the size of a codebook is reduced and the coding performance is improved.

Apparatus and method for image coding using tree-structured quantization based on wavelet transform

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Seoul, South Korea

Woo-Young Jang