Abstract: Disclosed is a method for determining alcohol consumption capable of analyzing alcohol consumption in a time domain by analyzing a formant slope of a voice signal, and a recording medium and a terminal for carrying out same. An terminal for determining whether a person is drunk comprises: a voice input unit for generating a voice frame by receiving a voice signal; a voiced/unvoiced sound analysis unit for determining whether a received voiced frame corresponds to a voiced sound; a formant frequency extraction unit for extracting a plurality of formant frequencies of the voice frame corresponding to the voiced sound; and an alcohol consumption determining unit for calculating a formant slope between the plurality of formant frequencies, and determining the state of alcohol consumption depending on the formant slope, thereby determining whether a person is drunk by analyzing the formant slope of an inputted voice.

Abstract: An image processing system includes an a noise detection unit that extracts a local statistical characteristic of a predicted original image according to a local statistical characteristic of an observed image and a local statistical characteristic of a predicted noise image, sets a flag level indicating a distortion state for each of pixels of the observed image according to the local statistical characteristic of the predicted original image, zones the observed image through a filter window, determines distortion states of adjacent pixels, corrects the flag level, and detects noise, and a noise removal unit that adaptively sets a filter size according to the corrected flag level and removes the noise, when the corrected flag level is determined through the noise detection unit, and therefore it is possible to implement adaptive noise detection and removal techniques of a distorted image damaged by noise, and detect a contour to the corresponding pixels into undistorted pixels.

Abstract: Disclosed are: a thin-film pattern array able to minimize level differences between thin films; and a production method therefor. The thin-film pattern array comprises: a lower thin-film pattern which is positioned on a substrate; an upper thin-film pattern which is positioned on the upper edge of the lower thin-film pattern; and a level-difference attenuating pattern which is positioned between the lower thin-film pattern and the upper thin-film pattern, and has a gentle taper angle so as to be able to reduce the level difference between the lower thin-film pattern and the upper thin-film pattern.

Abstract: An interleaving apparatus, a computer-readable recording medium, and a method for interleaving data elements comprised in data frame which are transmitted via a channel for error dispersion are provided. The interleaving apparatus includes a block division unit that divides a given page of the data frame including two-dimensional array data into a plurality of data block units, and an interleaving unit that performs interleaving at least between two of the plurality of data blocks units, which are divided by the block division unit. A first block unit in the plurality of data block units is set as a reference interleaving block unit, and first data in the first block unit and second data in a second block unit are interleaved. The first block unit and the second block unit are included in the plurality of data block units, and the first block unit is different from the second block unit.

Abstract: Provided is a piezoelectric stack transducer. In a transducer portion, a plurality of piezoelectric transducers which output maximum amplitude at different frequencies are continuously stacked. A stacked electrode portion is provided on both surfaces of each of the plurality of continuously stacked piezoelectric transducers and supplies an electric signal so that vibration is generated. In this case, the plurality of piezoelectric transducers have different diameters. According to the present invention, it is possible to implement a piezoelectric stack transducer which exhibits constant amplitude (output) at different frequencies by piezoelectric transducers exhibiting different amplitudes at respective frequencies according to natural frequencies supplementing amplitude of a different piezoelectric transducer.

Abstract: A method and an apparatus for propagating a message in a social network are disclosed. A method for propagating a message in a social network according to an embodiment of the invention can include: calculating a degree of connectivity of each user; calculating a propagation capability of each user by using the calculated degree of connectivity and a probability of distribution; choosing target users for propagating a message by using the propagation capability of each user; and propagating the message to nodes of the chosen target users.

Abstract: Provided is a method of detecting a pedestrian through feature information prediction based on an integral image. The method includes extracting a feature image of an obtained original image; generating an integral image of the feature image; predicting an integral image of an enlarged/reduced feature image using the integral image of the feature image and an image enlargement/reduction scale value; and detecting a pedestrian using an integral image of the predicted enlarged/reduced feature image. Accordingly, it is possible to decrease a time taken for a feature extracting operation, and perform pedestrian detection efficiently.

Abstract: A method and service server for providing passenger density information are provided. The service server for providing passenger density information of a car according to an embodiment of the invention may include: a motion vector detection unit that detects motion vectors generated by the movements of passengers from a captured image of the inside of the car; a head recognition unit that recognizes the heads of passengers from the image; and a density information generation unit that generates the passenger density information of the car by using one or more of the motion vectors, a result of head recognition of the passengers, and tag sensor information received from sensors installed in the car.

Abstract: An apparatus for controlling an output voltage of a switching mode power supply (SMPS) by adjusting a switching duty ratio is provided. A comparator outputs a state signal varying depending on a comparison result between an output voltage of the SMPS and a reference voltage. A clock generator generates an internal chip operating frequency and a switching frequency of the SMPS. A digital controller determines on/off of current cells depending on the state signal input from the comparator. A digital pulse width modulator (DPWM) determines a duty ratio of a digital pulse width modulation signal by determining a charging/discharging time of an internal capacitor based on an amount of current of the current cell.

Abstract: An apparatus and a method for predicting the pleasantness-unpleasantness index of words are disclosed. The disclosed apparatus includes: a computing unit configured to compute an emotion correlation between a word and one or more comparison word, compute emotion correlations between multiple reference words included in a reference word set and the one or more comparison word, compute multiple first absolute emotion similarity values between the word and the multiple reference words, and compute at least one second absolute emotion similarity value between a reference word and another reference word for all of the reference words included in the reference word set; and a prediction unit configured to predict the pleasantness-unpleasantness index of the word by using the multiple number of first absolute emotion similarity values, the at least one second absolute emotion similarity value, and a preset pleasantness-unpleasantness index of the multiple number of reference words.

Abstract: Disclosed herein are a semiconductor chip for adaptively processing a plurality of commands to request memory access, and a method of controlling memory. The semiconductor chip includes a storage unit ad a control unit. The storage unit stores a memory access request to be currently processed and a plurality of memory access requests received before the memory access request to be currently processed in received order. The control unit processes the memory access request to be currently processed and the plurality of memory access requests received before the memory access request to be currently processed, which have been stored in the storage unit, in received order, except that memory access requests attempting to access the same bank and the same row are successively processed.

Abstract: Provided are an indoor wireless positioning system and method capable of more accurately performing indoor wireless positioning by predicting signal attenuation due to a floor or wall within a multi-floor building. The indoor wireless positioning method includes calculating floor loss information of a floor on which the user terminal is located within the building, a higher floor, and a lower floor, calculating the floor on which the user terminal is located by comparing the calculated floor loss information to pre-stored previous floor loss information, calculating information about wall loss in the floor on which the user terminal is located, and acquiring position information on a horizontal plane of the user terminal according to received signal strength of the user terminal and the information about the wall loss. When the position of the user terminal is detected, detection accuracy is improved and more efficient wireless positioning is possible.

Abstract: A method and a gateway for extending a network are disclosed. A method by which a gateway extends an EtherCAT network to a wireless network according to an embodiment of the invention includes: receiving first data from the EtherCAT network and converting the first data by a protocol conversion to second data suitable for the wireless network, and transmitting the converted second data to the wireless network, where the transmitting of the converted second data may include reducing the difference in communication speed between the EtherCAT network and the wireless network by using an internal buffer.

Abstract: The present invention relates to an expression vector containing the major envelope protein P9 of Cystovirus phi12 as a fusion partner, and a process for producing a membrane protein using the same. Particularly, the present invention is directed to an expression vector comprising a major envelope protein P9 gene of Cystovirus phi12, a multicloning site (MCS) for inserting a target membrane protein, and a protease recognition site located between a P9 gene and the MCS.

Abstract: An apparatus and a method for predicting the pleasantness-unpleasantness index of words are disclosed. The disclosed apparatus includes: a computing unit configured to compute an emotion correlation between a word and one or more comparison word, compute emotion correlations between multiple reference words included in a reference word set and the one or more comparison word, compute multiple first absolute emotion similarity values between the word and the multiple reference words, and compute at least one second absolute emotion similarity value between a reference word and another reference word for all of the reference words included in the reference word set; and a prediction unit configured to predict the pleasantness-unpleasantness index of the word by using the multiple number of first absolute emotion similarity values, the at least one second absolute emotion similarity value, and a preset pleasantness-unpleasantness index of the multiple number of reference words.

Abstract: A multiple output converter is provided. The multiple output converter includes a power conversion circuit and a switching control unit. The power conversion circuit includes an input unit having at least one first switch, a transformer unit configured to convert a magnitude of power from the input unit, an output unit having a plurality of output terminals, which are configured to receive the power from the transformer unit, and a second switch unit having a plurality of second switches, wherein each of the plurality of second switches is installed in each of the plurality of output terminals, respectively, and is controlled in a time division multiple control manner. The switching control is configured to transmit a pulse width modulation signal to the at least one first switch and the plurality of second switches for controlling the at least one first switch and the plurality of second switches in the time division multiple control manner.

Abstract: A user authentication method and apparatus are disclosed. One embodiment of the invention can provide a method for authenticating a user from a server that includes: (a) transmitting a one-time server certification message in response to an authentication request including a user ID of a client terminal, and receiving a one-time terminal certification message from the client terminal; and (b) authenticating the user by verifying the one-time terminal certification message by using a hash value stored beforehand in correspondence to the user ID.

Abstract: An apparatus for measuring displacement is disclosed. The disclosed displacement measurement apparatus may include a magnet unit having magnet sub-units arranged repeatedly in a particular pitch (p) to generate a sine-wave magnetic flux density; a sensor unit including a sensor array for measuring the sine-wave magnetic flux density; and a measurement part configured to measure a displacement of the magnet unit and the sensor unit displaced relatively to each other, based on the measured value of the sine-wave magnetic flux density, where the sensor array comprises two or more sensors arranged separated by a gap of p/k in-between (where k is 2n, n is an integer greater than or equal to 1) along an arrangement direction of the magnet sub-units.

Abstract: A master device for calculating a synchronized actuation time for an N number of slave devices (N being an integer greater than or equal to 2) includes: a transmitting part configured to transmit a request message a K number of times (K being an integer greater than or equal to 2) to each of the N number of slave devices, where the request message includes an actuation command; a receiving part configured to receive a reply message from each of the N number of slave devices, where the reply message includes information on a K number of end-to-end delay times; and an absolute-time calculating part configured to calculate an absolute time for concurrently actuating the N number of slave devices by using the information on the K number of end-to-end delay times received from each of the N number of slave devices.

Abstract: Provided are a method and apparatus for recognizing sign language using an electromyogram sensor and a gyro sensor. The method includes the steps of (a) receiving a gyro measurement signal and an electromyogram measurement signal from the gyro sensor and the electromyogram sensor which are attached to the body of a subject, (b) determining to which of groups clustered with similar fingerspelling motions the gyro measurement signal belongs, (c) acquiring a Gaussian model for the electromyogram measurement signal, and (d) comparing the acquired Gaussian model with Gaussian candidate models for candidate fingerspelling motions which belong to the group determined in step (b), and recognizing the candidate fingerspelling motion corresponding to the Gaussian candidate model that is most similar to the acquired Gaussian model as the fingerspelling motion of the subject.