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: Provided is a transmission line transformer having increased signal efficiency. The transmission line transformer is formed on an integrated circuit (IC), wherein a first transmission line disposed in one direction. Second and third transmission lines have same length direction as the first transmission line and are spaced apart from each other in a lateral direction above or below the first transmission line. Accordingly, an area of the first transmission line and areas of the second and third transmission lines, which face each other, are increased, thereby improving a coupling factor. Also, since a secondary transmission line is divided into two regions and uses the second and third transmission lines that have narrower widths than the first transmission line, parasitic capacitance components generated between the first through third transmission lines and a semiconductor substrate may be decreased.

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.

Abstract: A mobile terminal capable of localization, a localization server, and a method for localizing the mobile terminal using the localization server are disclosed. The disclosed localization server includes a control unit configured to control transmissions of visible-light signals from a multiple number of visible-light transmitting devices; and a position computing unit configured to compute a position of a mobile terminal based on time information regarding when the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices were received at the mobile terminal, where the control unit controls the transmissions such that each of the plurality of visible-light transmitting devices sequentially transmits the visible-light signal for a particular first time period with no overlapping of transmission times of the visible-light signals transmitted respectively from the plurality of visible-light transmitting devices.

Abstract: A data processing method, apparatus, and computer program product for performing a similarity comparison between software programs are provided. An aspect of the invention provides a data processing method for performing a similarity comparison between two programs, where the data processing method includes: (a) extracting API names from each program and converting the API names to unique text sequences of a particular byte; (b) establishing a frequency table by counting a frequency of the extracted API names; (c) recording the API names converted into the unique text sequences in a log file in the order of extraction; and (d) saving the frequency table as a file and compressing the log file.

Abstract: Provided is a fuel cell including an anode electrode, a cathode electrode, and an electrolyte/ion exchange membrane between the anode electrode and the cathode electrode. The cathode electrode uses an iron redox couple as an oxidizer. The iron redox couple is regenerated by an oxidizing substance. The fuel cell does not need a noble metal catalyst, is thus economical in manufacturing costs, and has high power density, thereby improving energy conversion efficiency. Furthermore, the fuel cell is capable of decomposing an oxidizing substance, such as NOx, Cl2, Br2, or O3.

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 apparatus for decision migration within a multi-component robot are disclosed. The method of supporting decision migration between components for a multi-component robot may include: recognizing at least one subcomponent; generating at least one rule corresponding to a respective action of the at least one recognized subcomponent and embedding the at least one rule in at least one other component; and transmitting a decision or action migration request for a specific task to the other component if a failure occurs or synchronization with the other component is needed while the at least one subcomponent is performing the specific task by using the generated rule.

Abstract: A method for operating an invisible system service on Android platform is disclosed. The method for operating system services on Android platform includes selectively registering a created system service in a context manager according to a type of the created system service, where the type of the system service comprises a first type for permitting access from an outside and a second type for not permitting access from the outside, and the selectively registering comprises registering in the context manager the created system service belonging to the first type and not registering in the context manager the created system service belonging to the second type.

Abstract: An apparatus for computing a coupling noise voltage occurring in a plurality of cells arranged on a plurality of word lines and a plurality of bit lines in a flash memory device includes: a coupling ratio computing unit and a coupling voltage computing unit. The coupling ratio computing unit can compute coupling ratios between a cell and neighboring cells wherein each of the coupling ratios have a value such that the difference between two coupling noise voltage values is minimized. The coupling voltage computing unit computes the coupling noise voltage value occurring in the cell using the computed coupling ratios.