Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Korea Advanced Institute of Science and Technology

Seung-ho Park

Young-su Moon

Ho-cheon Wey

Se-hyeok Park

Byung-seok Min

Jae-Hyun Kim

Seung-hoon Han

Tae-gyoung Ahn

Il-soon Lim

Jong-Hyun Park

Hyung-jun Lim

Hyun-wook Park

Young-hoon Jeong

Chul Nam

Hyung-Jun Daniel Park

Jong-ho Kim

Seong-hoon Choi

Hyong-Jong Choi

Seul-Ki Jang

Chang-su Han

Dong-yoon Kim

Doo-seop Choi

Ji-won Choi

Gui-won Seo

Dae-hyun Jun

An electronic device and an image conversion method of the electronic device, the electronic device comprising: a receiving unit for receiving a first image from a source device; a decoding unit for decoding brightness information of the first image; a converting unit for converting a dynamic range of the first image on the basis of the decoded brightness information, using a mapping function; and a display unit for displaying a second image having the converted dynamic range on a display, wherein the mapping function is a curve function including a plurality of points determined on the basis of the first image, a characteristic of a change in brightness of a display of the source device, and a characteristic of brightness of a scene of the first image. The present disclosure may generate, for example, a high dynamic range (HDR) image, which is improved from a standard dynamic range (SDR) image.

Electronic device performing image conversion, and method thereof

Provided are an image processing apparatus and method, which use a maximum display luminance value of a mastering display and a maximum display luminance value of a target display according to luminance characteristics of a current scene of an encoded image.

Image processing apparatus and image processing method based on metadata

A display apparatus and a method of processing an image thereof are provided. The method includes identifying at least one area of an input image by analyzing a dynamic range of the input image, obtaining at least one mapping function based on dynamic range information and brightness information of the at least one area and dynamic range information of the display apparatus, obtaining at least one virtual image where the dynamic range of the input image is converted using the at least one mapping function, synthesizing the at least one virtual image and the input image, and outputting the synthesized image.

Display apparatus and method of processing image thereof

The present disclosure provides a display apparatus including: a display; a signal receiver configured to receive an image signal; a signal processor configured to process the image signal received in the signal receiver; a first sensor configured to sense ambient brightness; and a controller configured to control the signal processor to change grayscale of an output image to be displayed on the display based on characteristics of the image signal and characteristics of the display apparatus if a glare level corresponding to the ambient brightness sensed by the first sensor and brightness of the display is greater than a preset threshold.

Display apparatus and recording medium

A method for controlling an electronic apparatus includes determining representative colors of pixels of a received image frame; calculating input dynamic ranges for respective representative colors based on brightness information of the received image frame; expanding a dynamic range for the representative colors based on at least one of the brightness information of the received image frame and display characteristics of the electronic apparatus; and outputting an image frame having adjusted brightness based on the expanded dynamic range.

Electronic apparatus and method for controlling the same

A method and apparatus for processing a multi-view image is provided. The method includes: extracting disparity information between an image of a first point of view and an image of a second point of view; and estimating a motion between two sequential images of the first point of view or the second point of view using the extracted disparity information. The apparatus may include a processor which is configured to extract disparity information between an image of a first point of view and an image of a second point of view in the multi-view image and is further configured to estimate a motion using the extracted disparity information between two sequential images of the first point of view or the second point of view.

Method and apparatus for estimating image motion using disparity information of a multi-view image

An image correction method includes: obtaining information regarding at least one of brightness and colors of pixels constituting an input image, the input image comprising a plurality of regions classified according to whether the at least one of the brightness and the colors of the pixels are substantially uniformly distributed in a corresponding region; determining a weight with respect to at least one pixel based on the obtained information; and correcting the input image with respect to the at least one pixel based on the determined weight.

Method and apparatus for correcting image based on distribution of pixel characteristic

Provided are an image encoding method and apparatus, and an image decoding method and apparatus. The image encoding method includes: obtaining a variation of a motion estimation error with respect to a homogeneity degree of a motion vector according to mergence, based on a motion vector of each of merged blocks obtained by merging adjacent blocks, motion vectors of the adjacent blocks included in each of the merged blocks, and motion vectors of neighboring blocks of each of the merged blocks; and determining, based on the obtained variation, a merged block having a smallest variation from among the merged blocks and whether to merge the adjacent blocks included in the determined merged block.

Image encoding method and apparatus and image decoding method and apparatus based on motion vector normalization

A method for processing image data corresponding to temporally successive motions of an object, the method including adjusting a range of a first occlusion region which is estimated according to whether position changes occur in sub-blocks forming temporally successive first and second frames among image frames which display the motions of the object, by using Motion Vectors (MVs) mapped to the sub-blocks and detecting a second occlusion region of a third frame which displays the object that moves between the first frame and the second frame, by using the adjusted range of the first occlusion region.

Method and apparatus for processing image data corresponding to temporally successive motions of object

A liquid crystal display device includes: a liquid crystal panel; a first polarizing film and a second polarizing film on a bottom surface and a top surface, respectively, of the liquid crystal panel; a backlight unit below the first polarizing film; and a titanium oxide film on the second polarizing film and that transmits one of right-handed circularly polarized light and left-handed circularly polarized light and reflects the other, with a predetermined wavelength, of the right-handed circularly polarized light and the left-handed circularly polarized light.

Liquid crystal display device

A video controller for automatically varying a memory clock frequency according to the number of commands of controlling a memory includes: a video memory for storing image data to be transmitted to a monitor, a bus interface for receiving commands transmitted from a central processing unit (CPU) through a host bus, a controller for generating an address, data and a control signal for controlling reading from and writing into the video memory according to the commands received from the bus interface, a frequency setter for variably setting a memory clock frequency for accessing a video memory according to an occupancy rate of video access cycles with respect to total bus cycles, and a frequency generator for generating a memory clock according to the memory clock frequency set by the frequency setter. When the number of memory access cycles increases, the memory clock frequency increases to improve the performance of the system and when the number of memory access cycles is reduced, the memory clock frequency is also reduced, to minimize power consumption of the chip.

Technique for generating memory clock in video controller

A video BIOS loading apparatus and a control method thereof which eliminates the need of manually resetting a jumper when replacing an existing video card with a new video card. The video BOIS loading apparatus includes a read only memory (ROM) having a video BIOS stored therein; an expansion unit for engaging a video card thereon, the video card having a video card BIOS; and a central processing unit (CPU) for selecting and using a more suitable BIOS between the video BIOS and the video card BIOS for the video card.

Growing community of inventors

Seoul, South Korea

Seung-ho Park