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: According to one embodiment of the present invention, provided is a method for fingerprint recognition and authentication, comprising: a step for sequentially acquiring a plurality of slice images including a fingerprint pattern via a fingerprint sensor; a slice dividing unit for dividing the slice images into block images; a step for converting spatial domain information of the block images into frequency domain information, and eliminating information of a high-frequency component by using a low-pass filter; and a step for forming a fingerprint pattern template by matching the block images, from which the information of the high-frequency component has been eliminated.

Abstract: In accordance with one aspect of the present disclosure, an ultrasound imaging apparatus comprising: an ultrasonic probe for transmitting ultrasonic waves to a target object and receiving ultrasonic waves reflected from the object; a beamforming unit for beamforming the received ultrasonic wave and outputting a beamforming signal; a sampling unit for adjusting the number of sampling times of the beamforming signal according to the amount of motion of the object; and an image processing unit for matching and synthesizing the sampled signals.

Abstract: According to one embodiment, provided is a method by which an electronic device comprising a minimum fingerprint sensing area processes fingerprint information, comprising the steps of: acquiring a fingerprint image from the fingerprint sensing area; calculating a shade change value, defined by a shade difference value from a neighboring pixel, for each pixel of the fingerprint image; selecting points, as feature point candidates, of which the shade change value is a threshold value or more; applying artificial distortion for noise filtering to an area including the feature point candidates and neighboring pixels thereof; and selecting, as final feature points, candidates of which the shade change value after the artificial distortion is within a threshold range from among the feature point candidates.

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 beamforming module includes a conversion unit configured to convert an input signal to generate a converted signal using at least one conversion function, a weight calculator configured to calculate a converted signal weight as a weight for the converted signal, and a synthesizer configured to generate a result signal using the converted signal and the converted signal weight.

Abstract: There are provided a vibrator and an electronic device including the same. The vibrator includes: a housing having an internal space; an elastic member having both ends fixed to the housing so as to be disposed in the internal space in a state in which elastic deformation is possible; and a piezoelectric element mounted on one surface of the elastic member, wherein the piezoelectric element is fixed to the elastic member by soldering.

Abstract: The present invention provides an optical adhesive sheet including a layered structure of a first adhesive layer and a second adhesive layer, in which the first adhesive layer has a glass transition temperature of ?50° C. to ?30° C. and a modulus of 0.3×105 Pa to about 0.6×105 Pa, and the second adhesive layer has a glass transition temperature of ?20° C. to ?10° C. and a modulus of 0.7×105 Pa to 1.0×105 Pa.

Abstract: An ultrasound based measurement method includes obtaining an element of synthetic data corresponding to a focusing point in a region adjacent to a reflector by applying a synthetic focusing method to received data corresponding to an actual focusing point; and generating an image of the reflector based on the element of the synthetic data.

Abstract: A method of providing an ultrasound image via an ultrasound apparatus including a medical tool that is inserted into an object, the method includes: obtaining a plurality of steering images corresponding to a plurality of steering angles, selecting one of the plurality of steering images based on brightness information of the medical tool in each of the plurality of steering images, detecting a steering angle corresponding to the selected steering image, obtaining an ultrasound image including the medical tool by using the detected steering angle, and displaying the obtained ultrasound image on a screen.

Abstract: Disclosed herein are a beamforming method, a method of determining a beamforming coefficient, and an ultrasonic imaging apparatus.

Abstract: According to one embodiment of the present invention, provided is a method for fingerprint recognition and authentication, comprising: a step for sequentially acquiring a plurality of slice images including a fingerprint pattern via a fingerprint sensor; a slice dividing unit for dividing the slice images into block images; a step for converting spatial domain information of the block images into frequency domain information, and eliminating information of a high-frequency component by using a low-pass filter; and a step for forming a fingerprint pattern template by matching the block images, from which the information of the high-frequency component has been eliminated.

Abstract: An endless track for providing traction to a vehicle, such as a construction vehicle, an agricultural vehicle or other work vehicle. The endless track has: an inner side for facing a plurality of wheels of the vehicle; a ground-engaging outer side for engaging the ground; a first lateral edge; and a second lateral edge. The endless track comprises an elastomeric body and a plurality of cores at least partially embedded in the elastomeric body. Each core extends transversally to a longitudinal direction of the endless track to provide transverse rigidity to the endless track. The endless track comprises an impact absorber in a lateral edge part of the endless track, the lateral edge part being located between the cores and a given one of the first lateral edge and the second lateral edge. The impact absorber facilitates an elastic deformation of the lateral edge part when the lateral edge part impacts an obstacle on the ground.

Abstract: According to one embodiment, provided is a method by which an electronic device comprising a minimum fingerprint sensing area processes fingerprint information, comprising the steps of: acquiring a fingerprint image from the fingerprint sensing area; calculating a shade change value, defined by a shade difference value from a neighboring pixel, for each pixel of the fingerprint image; selecting points, as feature point candidates, of which the shade change value is a threshold value or more; applying artificial distortion for noise filtering to an area including the feature point candidates and neighboring pixels thereof; and selecting, as final feature points, candidates of which the shade change value after the artificial distortion is within a threshold range from among the feature point candidates.

Abstract: Disclosed herein is an ultrasonic imaging apparatus. The ultrasonic imaging apparatus includes an image restoration unit to perform image restoration on at least one beamformed ultrasound image, an image restoration performance estimation unit to estimate an image restoration performance based on the beamformed ultrasound image and setting information regarding ultrasound image acquisition, and an adaptive postprocessing unit to perform adaptive postprocessing on a result image acquired by the image restoration based on the estimated image restoration performance and thus resolution of a restored image and signal-to-noise ratio (SNR) may be enhanced.

Abstract: Disclosed herein are a photoacoustic imaging apparatus to project a continuous-wave laser beam onto an object to generate a photoacoustic image, and a method of controlling the same. The photoacoustic imaging apparatus include a laser source to generate a continuous-wave (CW) laser beam, a deflection mirror to reflect the CW laser beam to the object while rotating, a transducer to collect acoustic waves generated in the object by the CW laser beam, and an image processor to generate a photoacoustic image based on the collected acoustic waves.

Abstract: A high-refractive adhesive film includes: a thermosetting resin matrix; and high refractive particles dispersed in the thermosetting resin matrix. The refraction index of the high-refractive particles is higher than that of the thermosetting resin matrix.

Abstract: A medical image processing apparatus includes a weight applier configured to, when a difference between a first imaginary component of a first frame image and a second imaginary component of a second frame image, the second frame image being adjacent to the first frame image, is less than or equal to a first threshold value, apply a first weight to the second imaginary component to increase the difference; and an image generator configured to generate a movement-amplified image based on the first frame image and the second frame image to which the first weight is applied so that a movement of interest corresponding to the increased difference is amplified.

Abstract: Disclosed herein are an ultrasonic imaging apparatus and an image display method thereof. The ultrasonic imaging apparatus includes an ultrasonic probe configured to transmit ultrasonic signals toward an object and to receive ultrasonic signals reflected by the object, a beamformer configured to perform beamforming based on the ultrasonic signals received by the ultrasonic probe, and an image processor configured to generate an ultrasonic image of an examined region within the object based on the beamforming, to extract characteristic information which relates to the examined region from the generated ultrasonic image, and to judge whether or not the examined region coincides with a target region based on the extracted characteristic information, thus facilitating a determination as to with which region within the object the examined region corresponds based on various pieces of the characteristic information of the examined region extracted via analysis of the ultrasonic image.

Abstract: Provided are an adhesive composition for a touch panel, including: a hydrophilic functional group-containing monomer, wherein a dielectric constant at a frequency of 100 kHz to 2 MHz is 3.5 or less, and an adhesive film having an adhesive layer including a cured product of the adhesive composition for a touch panel. In addition, provided is a touch panel including: a conductive plastic film having a conductive layer formed on one surface; and an adhesive layer attached onto the conductive layer and including a cured product of the adhesive composition for a touch panel.