Abstract:
A light-emitting diode (LED) driver, an LED lighting apparatus, and a method of operating the LED lighting apparatus are provided. The LED driver may include an LED current controller configured to control an LED current, which flows through an LED array including a plurality of LEDs, such that the LED current is maintained at a constant level; a comparer configured to compare a sensing signal, which corresponds to a magnitude of the LED current, and a reference signal, and to obtain a first output signal based on a comparison result; and a dimming controller configured to modify the first output signal to obtain a second output signal for dimming of the plurality of LEDs, and to provide the second output signal to the LED current controller.
Abstract:
Methods and devices are provided of pairing glasses with an electronic device is provided. The glasses store identification information and device information regarding a plurality of electronic devices, the device information being usable to pair the glasses with the plurality of electronic devices. The glasses obtain an image of at least one electronic device via a camera of the glasses. The glasses extract identification information of the at least one included in the image. The glasses select the electronic device based on the extracted identification information and the stored identification information. The glasses pair with the electronic device based on the device information of the electronic device.
Abstract:
Disclosed is an electronic device. The An electronic device including a storage, and a processor configured to perform convolution processing on target data and kernel data based on stride information that indicates an interval at which the kernel data is applied to the target data stored in the storage, in which the processor is further configured to divide the target data into a plurality of pieces of sub-data based on first stride information, perform the convolution processing on the plurality of pieces of sub-data and a plurality of pieces of sub-kernel data respectively corresponding to the plurality of pieces of sub-data based on second stride information that is different from the first stride information, and combine a plurality of processing results, the plurality of pieces of sub-kernel data are obtained by dividing the kernel data based on the first stride information, and the second stride information indicates that the interval at which the kernel data is applied to the target data is 1.
Abstract:
Provided are a wearable display device and a light guide element thereof, the display device including: a display element configured to project a first light forming a virtual image; and a light guide element configured to guide the first light from the display element and a second light input from outside of the wearable display device to a predetermined position. The light guide element includes: a first optical surface facing the display element; a second optical surface and a third optical surface configured to reflect the first light input through the first optical surface; and a fourth optical surface configured to reflect the reflected first light to the predetermined position. The first to third optical surfaces are flat surfaces, and the fourth optical surface is a rotationally asymmetric reflective surface.
Abstract:
A hub apparatus and a method are provided for selecting a device. The method includes receiving a service request; determining a sensor based on the received service request; receiving state information from a device including the determined sensor; and selecting the device based on the received state information.
Abstract:
Provided is an image processing method including: generating an omnidirectional spherical image; determining information regarding a director's view that indicates some regions of the omnidirectional spherical image; generating a projection image by projecting the omnidirectional spherical image to a development view of a polyhedron; dividing, from the projection image, a director's view projection image corresponding to the director's view, based on the information regarding the director's view; reshaping the director's view projection image into a director's view rectangular image by moving a location of at least one of pixels of the director's view projection image; and generating a bitstream which the director's view rectangular image is encoded into.
Abstract:
A method for a device to acquire biometric information includes acquiring a plurality of images including an ocular region using an infrared ray (IR) image sensor, detecting a sclera region in each of the plurality of acquired images, sensing a change of the detected sclera region, and determining biometric information based on information on the sensed change of the sclera region.
Abstract:
Provided are a method and apparatus for processing a convolution operation in a neural network. The apparatus may include a memory, and a processor configured to read, from the memory, one of divided blocks of input data stored in a memory; generate an output block by performing the convolution operation on the one of the divided blocks with a kernel; generate a feature map by using the output block, and write the feature map to the memory.
Abstract:
Example methods and devices are provided of pairing glasses with an electronic device is provided. The glasses store identification information and device information regarding a plurality of electronic devices, the device information being usable to pair the glasses with the plurality of electronic devices. The glasses obtain an image of at least one electronic device via a camera of the glasses. The glasses extract identification information of the at least one included in the image. The glasses select the electronic device based on the extracted identification information and the stored identification information. The glasses pair with the electronic device based on the device information of the electronic device.
Abstract:
Methods and devices are provided of pairing glasses with an electronic device is provided. The glasses store identification information and device information regarding a plurality of electronic devices, the device information being usable to pair the glasses with the plurality of electronic devices. The glasses obtain an image of at least one electronic device via a camera of the glasses. The glasses extract identification information of the at least one included in the image. The glasses select the electronic device based on the extracted identification information and the stored identification information. The glasses pair with the electronic device based on the device information of the electronic device.