Abstract: A touch controller for driving a touch screen including a touch sensing array and a fingerprint sensing array, the touch controller including a processor configured to: generate first touch data from a first input, on a touch sensing area of the touch screen, sensed by the touch sensing array; generate second touch data from a second input, on a fingerprint sensing area of the touch screen, sensed by at least one of the touch sensing array and the fingerprint sensing array; and compensate the second touch data by adjusting touch values included therein to generate compensated second touch data, wherein the first touch data, the second touch data and the compensated second touch data are used to calculate coordinates of the first input and the second input on the touch screen, and the fingerprint sensing array receives a third input on the fingerprint sensing area to generate fingerprint data.

Abstract: A blood pressure measuring apparatus and a method of operating the same are provided. The blood pressure measuring apparatus includes: a strap; and a main body that is rotatably connected to the strap, wherein the main body includes: a first pulse wave measurer configured to measure a first pulse wave; a second pulse wave measurer that is spaced apart from the first pulse wave measurer at a regular interval and is configured to measure a second pulse wave; and a blood pressure measurer configured to analyze the first pulse wave and the second pulse wave and determine a blood pressure based on the analyzed first pulse wave and the analyzed second pulse wave.

Abstract: Ultrasonic imaging method includes sequentially emitting by each transducer group of respective regions, into which transducers are divided, focused ultrasonic pulses to a focal point of an object; sequentially acquiring, by each transducer group, ultrasonic echo signals from the focal point based on the emitted ultrasonic pulses; calculating a normal vector of a surface of the object using emission directions of the focused ultrasonic pulses and intensities of the ultrasonic echo signals in correspondence to the focused ultrasonic pulses emitted by three of the transducer groups; calculating an attenuation rate of the ultrasonic echo signals using the normal vector and the emission directions of the focused ultrasonic pulses emitted by the three of the transducer groups, and correcting the ultrasonic echo signals based on the attenuation rate; beamforming the ultrasonic echo signals, an attenuation of which has been corrected, into ultrasonic image signals to be output as an ultrasonic image.

Abstract: A photocurable coating composition includes 50 to 150 parts by weight of a urethane acrylate oligomer having a number average molecular weight of 1300 to 1700 g/mol and 9 functional groups, 50 to 150 parts by weight of an acrylate monomer, 10 to 15 parts by weight of a photoinitiator, and 1 to 3 parts by weight of a surfactant.

Abstract: Ultrasonic imaging method includes sequentially emitting by each transducer group of respective regions, into which transducers are divided, focused ultrasonic pulses to a focal point of an object; sequentially acquiring, by each transducer group, ultrasonic echo signals from the focal point based on the emitted ultrasonic pulses; calculating a normal vector of a surface of the object using emission directions of the focused ultrasonic pulses and intensities of the ultrasonic echo signals in correspondence to the focused ultrasonic pulses emitted by three of the transducer groups; calculating an attenuation rate of the ultrasonic echo signals using the normal vector and the emission directions of the focused ultrasonic pulses emitted by the three of the transducer groups, and correcting the ultrasonic echo signals based on the attenuation rate; beamforming the ultrasonic echo signals, an attenuation of which has been corrected, into ultrasonic image signals to be output as an ultrasonic image.

Abstract: An ultrasonic imaging method includes emitting ultrasonic pulses in different directions and acquiring ultrasonic echo signals from an object, calculating an attenuation rate of the ultrasonic echo signals, correcting the acquired ultrasonic echo signals based on the attenuation rate, and outputting the corrected ultrasonic echo signals as an ultrasonic image.

Abstract: A unit pixel of a fingerprint sensor is provided. The unit pixel includes a sensing electrode located to form a capacitance with an object touching a touch surface, a first switch connected between a first node and a second node to transmit at least one driving voltage input through the second node, the first node connected to the sensing electrode, the switch configured to the sensing electrode, an amplifier configured to receive a signal from the sensing electrode and amplify the signal, and a first capacitor connected between a first input terminal and an output terminal of the amplifier, the first capacitor configured to transmit the signal from the sensing electrode to the output terminal. The amplifier is configured to output a different output voltage according to the at least one driving based on an operation of the first switch.

Abstract: A sensor for increasing security using biometric data, a mobile device including the same, and an authentication method of the mobile device are provided. The sensor includes a fingerprint sensor configured to detect fingerprint data of a user contacting a fingerprint acquisition region, a plurality of electrodes, and a bio sensor connected to the electrodes to detect at least one type of biometric data. A first electrode among the electrodes is located such that a finger of the user contacts the first electrode when the finger of the user is in contact with the fingerprint acquisition region.

Abstract: A fingerprint sensor includes a pixel array, an analog-to-digital converter, and a reference signal generator. The pixel array includes a plurality of unit pixels arranged in rows and columns, and each of the plurality of unit pixels generates an analog signal by detecting a fingerprint of a user. The analog-to-digital converter performs an analog-to-digital conversion operation on the analog signal to generate a digital signal. The analog-to-digital converter is configured to perform the analog-to-digital conversion based on a reference signal. The reference signal generator generates the reference signal such that the reference signal decreases at a first rate from a start voltage, and adjusts a magnitude of the start voltage based on the digital signal.

Abstract: A fingerprint sensor includes a pixel array and a controller. The pixel array includes a plurality of unit pixels arranged in rows and columns, each of the plurality of unit pixels including, a sensing electrode configured to form a detection capacitance with a finger, a signal generation circuit configured to output an analog signal through a column line based on the detection capacitance, and a protection circuit configured to control a voltage transfer between the sensing electrode and a common line. The controller is configured to control the protection circuit in each of the plurality of unit pixels to transfer a voltage at the sensing electrode of an active unit pixel of the plurality of unit pixels to the sensing electrode in at least one protection unit pixel of the plurality of unit pixels through the common line.

Abstract: Provided are a three-dimensional (3D) image acquisition apparatus, and a method of generating a depth image in the 3D image acquisition apparatus. The method may include sequentially projecting a light transmission signal, which is generated from a light source, to a subject, modulating reflected light, which is reflected by the subject, using a light modulation signal, calculating a phase delay using a combination of a first plurality of images of two groups, from among a second plurality of images of all groups obtained by capturing the modulated reflected light, and generating a depth image based on the phase delay.

Abstract: Provided is a technology for measuring a user's blood pressure by using light sources, in which the blood pressure measuring apparatus includes: a light emitter configured to emit one or more lights having different penetration characteristics toward a user; a light receiver configured to receive the lights that have penetrated through the user, and acquire photo-plethysmography (PPG) signals from the received lights; and a blood pressure measurer configured to measure a phase difference between the acquired PPG signals, and measure a blood pressure based on the measured phase difference.

Abstract: An apparatus and method for out-focusing a color image based on a depth image, the method including receiving an input of a depth region of interest (ROI) desired to be in focus for performing out-focusing in the depth image, and applying different blur models to pixels corresponding to the depth ROI, and pixels corresponding to a region, other than the depth ROI, in the color image, thereby performing out-focusing on the depth ROI.

Abstract: Provided are methods of switching guest-host dual frequency liquid crystals by using a back flow. In the case of a shutter having a dual frequency liquid crystal layer between two transparent substrates, such a method includes: applying a first voltage having a first frequency to the dual frequency liquid crystal layer; and applying a second voltage having a second frequency to the dual frequency liquid crystal, the second frequency being higher than the first frequency, wherein the second voltage is higher than a threshold voltage that generates a back flow around liquid crystals of the dual frequency liquid crystal layer, and the first voltage is lower than the threshold voltage.

Abstract: Provided is a data integration method and system. The data integration method includes: accessing, by a computer, first data and second data; extracting information that is an integration target from the first data and generating a first table; extracting information that is an integration target from the second data and generating a second table; generating at least one change set by performing comparison between the first table and the second table using at least one Structured Query Language (SQL) query including a set operation; and applying the generated at least one change set to the second data.

Abstract: An apparatus and method for generating a depth image using transition of light sources may include a surface information determination unit to determine surface information related to a surface of an object, using a plurality of intensity images generated according to position of light sources; and an output depth image generation unit to generate an output depth image, using an original depth image and the surface information.

Abstract: A grip-type blood pressure measuring apparatus and a method of operating the apparatus are provided. The grip-type blood pressure measuring apparatus may include a pulse wave measuring sensor array comprising a plurality of pulse wave measuring sensors that are spaced apart from each other at a predetermined interval; and a blood pressure measurer configured to select a first pulse wave and a second pulse wave from among a plurality of pulse waves measured by the plurality of pulse wave measuring sensors, analyze the selected first pulse wave and second pulse wave, and determine a blood pressure based on an analysis result of the first pulse wave and the second pulse wave.

Abstract: An image processing apparatus and method using a depth image are provided. The image processing apparatus may include a region determination unit to determine a foreground region and a background region in a color image using a depth image, and a color compensation unit to compensate a color with respect to the foreground region and the background region.

Abstract: A blood pressure measuring apparatus based on multiprocessing and a method of operating the same are provided. The blood pressure measuring apparatus based on multiprocessing includes: at least two multichannel pulse wave measurers including a plurality of pulse wave measuring sensors configured to measure pulse waves; and at least two processors, each processor of the at least two processors being configured to receive corresponding pulse waves among the measured pulse waves from a corresponding multichannel pulse wave measurer of the at least two multichannel pulse wave measurers, and analyze the corresponding pulse waves and extract feature points from the analyzed pulse waves, wherein the at least two processors comprise a master processor configured to measure a blood pressure based on the feature points extracted by each of the at least two processors.

Abstract: A blood pressure measuring apparatus and a method of operating the same are provided. The blood pressure measuring apparatus includes: a strap; and a main body that is rotatably connected to the strap, wherein the main body includes: a first pulse wave measurer configured to measure a first pulse wave; a second pulse wave measurer that is spaced apart from the first pulse wave measurer at a regular interval and is configured to measure a second pulse wave; and a blood pressure measurer configured to analyze the first pulse wave and the second pulse wave and determine a blood pressure based on the analyzed first pulse wave and the analyzed second pulse wave.