Abstract: A system for accessing ledger information by using common keyset information according to the present invention comprises: a transaction packer for adding key information corresponding to a transaction request to a generated transaction proposal; a transaction aggregator for generating common transaction batch information and common keyset information corresponding to the transaction proposal according to the key information included in the transaction proposal received from the transaction packer, and transmitting the common transaction batch information and the common keyset information to each execution node group distinguished and predesignated with regard to the common transaction batch information; at least one transaction executor for executing a simulation regarding the transaction proposals included in the common transaction batch information transmitted from the transaction aggregator, which belongs to the execution node group, and transferring the common keyset information; and a ledger manager for

Abstract: A ledger information access system having a plurality of storage spaces, according to the present invention, comprises: a transaction packer for adding, to generated transaction proposals, key information corresponding to a transaction request; a transaction aggregator, which separates common keyset information from common transaction batch information according to the common transaction batch information, so as to transmit each to a predefined execution node group; at least one transaction executor, which belongs to the execution node group, executes a simulation for transaction proposals included in the common transaction batch information transmitted from the transaction aggregator, and transmits the common keyset information; and a ledger manager which includes a plurality of storage spaces for storing each of a plurality of part blocks in which pieces of transaction information constituting one block connected to a blockchain are distributed, and which reads, from the plurality of storage spaces, pieces

Abstract: A display device includes a first pixel region including a plurality of first pixels and a plurality of first gate control lines coupled to the first pixels, and a second pixel region spaced apart from the first pixel region. The second pixel region includes a plurality of second pixels and a plurality of second gate control lines coupled to the second pixels. The display device further includes a first non-pixel region disposed between the first pixel region and the second pixel region, and a first coupling line disposed in the first non-pixel region. The first coupling line commonly couples at least two first gate control lines and at least two second gate control lines.

Abstract: A semiconductor memory device includes a cell array that includes a plurality of DRAM cells to store data, and refresh control logic that refreshes the plurality of DRAM cells depending on access scenario information provided from an outside. The refresh control logic determines a refresh time of the plurality of DRAM cells with reference to the access scenario information and a retention characteristic of the plurality of DRAM cells and refreshes the plurality of DRAM cells depending on the determined refresh time.

Abstract: Provided is a memory device capable of reducing power consumption. The memory device includes a plurality of memory cells; and a self refresh controller configured to perform a refreshing cycle, which includes a first time interval and a second time interval, for a plurality of number of times, the second time interval being longer than the first section, wherein the self refresh controller is configured to perform a burst refreshing operation during the first time interval and to perform a power supply controlling operation during the second time interval.

Abstract: A semiconductor memory device comprises a memory cell array and a data inversion circuit. The data inversion circuit is configured to receive a first unit data and a second unit data stored in the memory cell array through different first data lines, determine, while the first unit data is transmitted to a data input/output (I/O) buffer through a second data line, whether to the invert the second unit data based on a Hamming distance between the first unit data and the second unit data, and transmit the inverted or non-inverted second unit data to the data I/O buffer through the second data line.

Abstract: A semiconductor memory device includes a cell array that includes a plurality of DRAM cells to store data, and refresh control logic that refreshes the plurality of DRAM cells depending on access scenario information provided from an outside. The refresh control logic determines a refresh time of the plurality of DRAM cells with reference to the access scenario information and a retention characteristic of the plurality of DRAM cells and refreshes the plurality of DRAM cells depending on the determined refresh time.

Abstract: Provided is a memory device capable of reducing power consumption. The memory device includes a plurality of memory cells; and a self refresh controller configured to perform a refreshing cycle, which includes a first time interval and a second time interval, for a plurality of number of times, the second time interval being longer than the first section, wherein the self refresh controller is configured to perform a burst refreshing operation during the first time interval and to perform a power supply controlling operation during the second time interval.

Abstract: An antifuse memory device includes an antifuse memory cell, a reference current generation unit, and a comparison unit. The antifuse memory cell includes an antifuse. The reference current generation unit provides a reference current selected from a plurality of reference currents. The comparison unit compares an intensity of a cell current flowing through the antifuse with an intensity of the reference current and provides an output signal corresponding to a result of the comparison.

Abstract: Disclosed are a system and a method for compositing various images that minimize a brightness difference in connection areas of various images by using a clustering technique at the time of compositing various images. The method for compositing various images may include receiving two or more input images; compositing the two or more input images into one composite image; calculating a brightness distribution degree; calculating representative brightness values; determining clustering; calculating a correction target value; and calculating a correction value of an increase/decrease curve.

Abstract: Disclosed is a vehicle, including a display device; one or more cameras; and a controller configured to combine a plurality of images received from the one or more cameras and switch the combined image to a top view image to generate an around view image, detect an object from at least one of the plurality of images and the around view image, determine a weighted value of two images obtained from two cameras of the one or more cameras when an object is located in an overlapping area in views of the two cameras, assign a weighted value to a specific image of the two images from the two cameras with the overlapping area, and display the specific image with the assigned weighted value and the around view image on the display device.

Abstract: A semiconductor memory device comprises a memory cell array and a data inversion circuit. The data inversion circuit is configured to receive a first unit data and a second unit data stored in the memory cell array through different first data lines, determine, while the first unit data is transmitted to a data input/output (I/O) buffer through a second data line, whether to the invert the second unit data based on a Hamming distance between the first unit data and the second unit data, and transmit the inverted or non-inverted second unit data to the data I/O buffer through the second data line.

Abstract: Disclosed are a system and a method for compositing various images that minimize a brightness difference in connection areas of various images by using a clustering technique at the time of compositing various images. The method for compositing various images may include receiving two or more input images; compositing the two or more input images into one composite image; calculating a brightness distribution degree; calculating representative brightness values; determining clustering; calculating a correction target value; and calculating a correction value of an increase/decrease curve.

Abstract: An antifuse memory device includes an antifuse memory cell, a reference current generation unit, and a comparison unit. The antifuse memory cell includes an antifuse. The reference current generation unit provides a reference current selected from a plurality of reference currents. The comparison unit compares an intensity of a cell current flowing through the antifuse with an intensity of the reference current and provides an output signal corresponding to a result of the comparison.