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公开(公告)号：US10650732B2
公开(公告)日：2020-05-12
申请号：US15766464
申请日：2017-01-25
Inventor： Woo Joo Lee , Suk Ho Lee , Kyung Jin Byun , Nak Woong Eum
IPC: G09G3/3208 , G09G3/20 , H05B45/37 , H05B45/00 , G06F1/3218 , G06F3/14 , G06F1/3296
Abstract: Provided is a display device including a display panel, a power delivery network (PDN), an image controller, and a PDN controller. The display panel may include a plurality of sub-panels. The PDN may be controlled by a control signal, respectively deliver voltages determined by the control signal to the plurality of sub-panels, and generate state information for determining the control signal. The image controller may receive to store frame image data, determine a number of frames to be integrated according to a window size, and integrate the frame image data of frames in the determined number into one image to generate integrated image data. The PDN controller may generate the control signal and a size adjusting signal based on the state information and the integrated image data, provide the generated control signal to the PDN, and may provide the generated size adjusting signal to the image controller. The size adjusting signal may adjust the window size.
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公开(公告)号：US10430301B2
公开(公告)日：2019-10-01
申请号：US15432588
申请日：2017-02-14
Inventor： Young-Su Kwon , Kyung Jin Byun , Nak Woong Eum
Abstract: Provided is a processor system including a first processor driven by a first driving voltage and a first driving clock, a second processor driven by a second driving voltage and a second driving clock and configured to perform an identical task to the first processor, and a defect detector configured to perform level synchronization or clock domain synchronization on a first output signal provided from the first processor and a second output signal provided from the second processor to compare the first and second output signals, wherein the first and second driving voltages are respectively provided from mutually independent power supply sources and the first and second driving clocks are respectively provided from mutually independent clock generators.
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公开(公告)号：US09510021B2
公开(公告)日：2016-11-29
申请号：US14286822
申请日：2014-05-23
Inventor： Seunghyun Cho , Hyun Mi Kim , Kyung Jin Byun , Nak Woong Eum
IPC: H04N19/86 , H04N19/423
CPC classification number: H04N19/86 , H04N19/423
Abstract: Provided is a method for a plurality of processing elements to filter a plurality of pixel blocks in a plurality of picture partitions for a single frame image. The method for filtering pixel blocks includes: checking the status of a second boundary pixel block adjacent to a picture partition boundary, the second boundary pixel block being one of a plurality of pixel blocks in a second picture partition and neighboring a first boundary pixel block in a first picture partition, the first boundary pixel block neighboring the picture partition boundary; selecting a filtering area for the first boundary pixel block based on the status of the second boundary pixel block; and filtering the filtering area for the first boundary pixel block.
Abstract translation: 提供了一种用于多个处理元件的滤波方法，用于对用于单帧图像的多个图像分区中的多个像素块进行滤波。 用于滤波像素块的方法包括：检查与图像分区边界相邻的第二边界像素块的状态，第二边界像素块是第二图像分区中的多个像素块中的一个，并且邻近第一边界像素块 第一图像分区，与图像分区边界相邻的第一边界像素块; 基于第二边界像素块的状态为第一边界像素块选择滤波区域; 并对第一边界像素块的滤波区域进行滤波。
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公开(公告)号：US08958642B2
公开(公告)日：2015-02-17
申请号：US13654682
申请日：2012-10-18
Inventor： Seunghyun Cho , Nak Woong Eum
CPC classification number: H04N19/436 , H04N19/00 , H04N19/132 , H04N19/156 , H04N19/174 , H04N19/182 , H04N19/88
Abstract: Disclosed are a method and a device for processing an image by using image division capable of simultaneously minimizing deterioration of an image quality due to an error in a transmission line and further improving compression efficiency in performing compression and restoration of an image signal by using multiple processors. The method of processing an image by using image division according to an exemplary embodiment of the present disclosure includes dividing an image frame into multiple subblocks having a predetermined pixel size; constituting multiple macroblocks by sampling respective pixels positioned at an identical position within a predetermined number of subblocks; and constituting multiple slices by dividing the multiple macroblocks based on the positions of the sampled pixels within the subblock.
Abstract translation: 公开了一种通过使用图像分割来处理图像的方法和装置，其能够同时最小化由于传输线中的错误导致的图像质量的劣化，并且通过使用多个处理器进一步提高了执行图像信号的压缩和恢复的压缩效率 。 根据本公开的示例性实施例的通过使用图像划分处理图像的方法包括将图像帧划分为具有预定像素大小的多个子块; 通过对位于预定数量的子块内的相同位置处的各个像素进行采样来构成多个宏块; 并且通过基于子块内的采样像素的位置划分多个宏块来构成多个片段。
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公开(公告)号：US20130266234A1
公开(公告)日：2013-10-10
申请号：US13848096
申请日：2013-03-21
Inventor： Seunghyun CHO , Nak Woong Eum
IPC: G06T9/00
CPC classification number: G06T9/004 , H04N19/436 , H04N19/593 , H04N19/61
Abstract: Disclosed is a parallel intra prediction method for video data, including: dividing, by an intra prediction unit, pixels included in at least one prediction unit configuring a coding unit or a sub-coding unit so as to belong to any one of a reference pixel group and a prediction group; generating, by the intra prediction unit, reference sub blocks and prediction sub blocks, respectively, using reference pixels belonging to the reference pixel group and prediction pixels belonging to the prediction pixel group; performing, by the intra prediction unit, encoding processing on the reference sub blocks; and performing, by the intra prediction unit, encoding processing on the prediction sub blocks.
Abstract translation: 公开了一种用于视频数据的并行帧内预测方法，包括：通过帧内预测单元将构成编码单元或子编码单元的至少一个预测单元中包括的像素分成属于参考像素 组和预测组; 使用属于参考像素组的参考像素和属于预测像素组的预测像素，分别由帧内预测单元生成参考子块和预测子块; 通过帧内预测单元对参考子块进行编码处理; 并且通过帧内预测单元对预测子块执行编码处理。
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Patent Agency Ranking
公开(公告)号：US10057583B2
公开(公告)日：2018-08-21
申请号：US15232542
申请日：2016-08-09
Inventor： Sukho Lee , Kyung Jin Byun , Nak Woong Eum
IPC: H04N19/159 , H04N19/176 , H04N19/182 , H04N19/122 , H04N19/61 , H04N19/124 , H04N19/13 , H04N19/96
CPC classification number: H04N19/159 , H04N19/11 , H04N19/122 , H04N19/124 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/463 , H04N19/61 , H04N19/96
Abstract: Provided is an encoding method of an image encoding device including predicting an intra mode for coding blocks of a minimum size for intra prediction to generate an intra pixel; and using the intra mode of the coding blocks of the minimum size to restore an intra mode of coding blocks of a larger size.
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公开(公告)号：US09836401B2
公开(公告)日：2017-12-05
申请号：US15222940
申请日：2016-07-28
Inventor： Jae-Jin Lee , Kyung Jin Byun , Nak Woong Eum
IPC: G06F12/08 , G06F12/084 , G06F9/30 , G06F12/0842 , G06F12/0875
CPC classification number: G06F12/084 , G06F9/3017 , G06F12/0842 , G06F12/0875 , G06F17/5022 , G06F2212/452 , G06F2212/62 , G06F2217/68
Abstract: Provided is a multi-core simulation method including allocating, to a working memory, a shared translation block cache commonly used for a plurality of core models, reading a first target instruction to be performed in a first core model, generating a first translation block corresponding to the first target instruction and provided with an instruction set used in a host processor, performing the first translation block in the first core model after the first translation block is stored in the shared translation block cache, reading a second target instruction to be performed in a second core model, searching the shared translation block cache for a translation block including same content as that of the second target instruction, and performing the first translation block in the second core model, when the first target instruction includes same content as that of the second target instruction.
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公开(公告)号：US10977988B2
公开(公告)日：2021-04-13
申请号：US16838629
申请日：2020-04-02
Inventor： Woo Joo Lee , Suk Ho Lee , Kyung Jin Byun , Nak Woong Eum
IPC: G09G3/3208 , G09G3/20 , H05B45/37 , H05B45/00 , G06F1/3218 , G06F3/14 , G06F1/3296
Abstract: Provided is a display device including a display panel, a power delivery network (PDN), an image controller, and a PDN controller. The display panel may include a plurality of sub-panels. The PDN may be controlled by a control signal, respectively deliver voltages determined by the control signal to the plurality of sub-panels, and generate state information for determining the control signal. The image controller may receive to store frame image data, determine a number of frames to be integrated according to a window size, and integrate the frame image data of frames in the determined number into one image to generate integrated image data. The PDN controller may generate the control signal and a size adjusting signal based on the state information and the integrated image data, provide the generated control signal to the PDN, and may provide the generated size adjusting signal to the image controller. The size adjusting signal may adjust the window size.
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公开(公告)号：US09859889B2
公开(公告)日：2018-01-02
申请号：US15414236
申请日：2017-01-24
Inventor： Woojoo Lee , Young-Su Kwon , Kyung Jin Byun , Jin Ho Han , Nak Woong Eum
CPC classification number: H03K19/0013 , G06F3/0202 , H01L27/1104 , H01L29/49 , H03K17/9638 , H03K19/00369 , H03K19/0944
Abstract: An Ultra Low Voltage (ULV) digital circuit includes a logic circuit comprising a plurality of logic gates and a plurality of buffered interconnects for connecting between the plurality of logic gates, a temperature sensor configured to detect a temperature of the logic circuit, and a voltage controller configured to control a driving voltage provided to the logic circuit in order to reduce a power consumption of the logic circuit based on the detected temperature. Each of the plurality of logic gates and buffered interconnects reduces a signal delay as a temperature increases.
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公开(公告)号：US20130195190A1
公开(公告)日：2013-08-01
申请号：US13750151
申请日：2013-01-25
Inventor： Suk Ho Lee , Nak Woong Eum
IPC: H04N7/26
CPC classification number: H04N19/176 , H04N19/107 , H04N19/119 , H04N19/15
Abstract: Disclosed are a method for deciding a motion partition mode and an encoder. The method for deciding a motion partition mode includes reading, a motion partition mode decision unit, motion vector information of more than one neighboring block decided as an inter mode among neighboring blocks of a current prediction unit C0 from a motion vector storage unit; and deciding, by the motion partition mode decision unit, the motion partition mode for the current prediction unit using the read motion vector information. In accordance with the embodiments of the present invention, it is possible to perform the real-time encoding in the high-resolution and high-complexity video by shortening the time required for the motion estimation and improving the performance of the encoder.
Abstract translation: 公开了一种用于决定运动分割模式和编码器的方法。 用于确定运动分割模式的方法包括：从运动矢量存储单元读取当前预测单元C0的相邻块中被确定为帧间模式的多于一个相邻块的运动矢量信息;运动分割模式决定单元; 并且通过运动分割模式决定单元，使用所读取的运动矢量信息来确定当前预测单元的运动分割模式。 根据本发明的实施例，可以通过缩短运动估计所需的时间并提高编码器的性能来执行高分辨率和高复杂度视频中的实时编码。
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