Abstract: A local processing apparatus and a data transceiving method thereof are provided. The local processing apparatus includes a communication module configured to transceive the data with the one or more distributed storage units, a memory configured to store a program for transceiving the data and the one or more key-value data pairs, and a processor configured to execute the program, the processor confirms whether a first key-value data exists in the memory by executing the program, and determines whether to prefetch one or more key-value data corresponding to the first key-value data based on the confirmation result.

Abstract: A method for optimizing network performance according to an embodiment of the present invention includes initializing a size of test data for network performance measurement, performing a test on the network performance by transmitting the test data to each of a first communication protocol and a second communication protocol, repeatedly performing the test, when the size of the test data is increased and then the increased size of the test data is a preset size or smaller based on a comparison between the increased size of the test data and the preset size, and setting a threshold value having a data size being a reference of switching between the first communication protocol and the second communication protocol, based on data collected through the performing of the test, when the increased size of the test data is larger than the preset size.

Abstract: A method for processing a CR algorithm by actively utilizing a shared memory of a multi-processor, and a processor using the same are provided. A processor includes: a first multi-processor configured to process a first group of elements of a matrix in accordance with an algorithm; a second multi-processor configured to process a second group of the elements of the matrix in accordance with the algorithm; and a third multi-processor configured to process a third group which comprises some of the elements of the first group, some of the elements of the second group, and some of the elements which are not comprised in the first group and the second group, in accordance with the algorithm. Accordingly, a TDM having many elements can be calculated fast.

Abstract: Provided are a display apparatus and a method for controlling a backlight. A display apparatus including a backlight partitioned into a plurality of sections according to an exemplary embodiment of the present invention includes: an external brightness measurer measuring and providing front brightness values of the display apparatus corresponding to the sections; an image signal analyzer analyzing an inputted image signal and calculating and providing a brightness influence value of each section by adjacent sections; and a control signal corrector converting a source backlight control signal of each section corresponding to the image signal into an intermediate backlight control signal of each section on the basis of the front brightness values and the brightness influence values of the sections and comparing the intermediate backlight control signal with the previous final backlight control signal to generate the current final backlight control signal.

Abstract: Provided are a display apparatus and a method for controlling a backlight. A display apparatus including a backlight partitioned into a plurality of sections according to an exemplary embodiment of the present invention includes: an external brightness measurer measuring and providing front brightness values of the display apparatus corresponding to the sections; an image signal analyzer analyzing an inputted image signal and calculating and providing a brightness influence value of each section by adjacent sections; and a control signal corrector converting a source backlight control signal of each section corresponding to the image signal into an intermediate backlight control signal of each section on the basis of the front brightness values and the brightness influence values of the sections and comparing the intermediate backlight control signal with the previous final backlight control signal to generate the current final backlight control signal.

Abstract: A method for adjusting backlight brightness for an image display device whose backlights are arranged in an M×N, 2-dimensional array, and an apparatus for realizing this are provided. The method comprises a full search step determining the brightness adjustment value for each of the M×N image blocks corresponding to the backlights for the entire input image and selecting a reference block; a partial search step determining the brightness adjustment value for the selected reference block and surrounding blocks thereof for the image frame inputted following the full search step and reselecting a reference block based on the brightness adjustment value of the previous reference block and surrounding blocks thereof; and an adjustment step adjusting brightness of the backlights in accordance with the brightness adjustment value for each block as determined by the full search step and/or partial search step.

Abstract: Provided are a display device and method. The display device includes an image analyzing unit for analyzing an input image signal to extract block-based brightness information of a divided display region, a block control value calculating unit for calculating a backlight control value for a backlight block corresponding to the block of the display region by using the brightness information, and a block control value compensating unit for determining whether to perform a scaling process of reducing brightness degree at a predetermined ratio according to brightness of the respective backlight blocks considering brightness degree of adjacent blocks, and outputting a backlight compensation control value.

Abstract: A method for adjusting backlight brightness for an image display device whose backlights are arranged in an M×N, 2-dimensional array, and an apparatus for realizing this are provided. The method comprises a full search step determining the brightness adjustment value for each of the M×N image blocks corresponding to the backlights for the entire input image and selecting a reference block; a partial search step determining the brightness adjustment value for the selected reference block and surrounding blocks thereof for the image frame inputted following the full search step and reselecting a reference block based on the brightness adjustment value of the previous reference block and surrounding blocks thereof; and an adjustment step adjusting brightness of the backlights in accordance with the brightness adjustment value for each block as determined by the full search step and/or partial search step.