Patents by Inventor Chung-Ku Lee
Chung-Ku Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11966107Abstract: An anti-peep display device includes a display module and an anti-peep module disposed on the display module. The anti-peep module includes the following features. The first light incident surface faces the display surface, the second and third light incident surfaces are located on opposite sides of the first light incident surface, the first condensing portion is disposed corresponding to the second light incident surface and the first light source, the second condensing portion is disposed corresponding to the third light incident surface and the second light source, the first and second condensing portions convert beams of the first and second light sources into anti-peep beams with a beam angle less than 10 degrees, and the optical microstructures reflect the anti-peep beams and exit the anti-peep beams from the light guide plate. The present invention also provides an anti-peep method applicable to the anti-peep display device.Type: GrantFiled: June 14, 2023Date of Patent: April 23, 2024Assignee: CHAMP VISION DISPLAY INC.Inventors: Chung-Hao Wu, Hsin-Hung Lee, Chin-Ku Liu, Chun-Chien Liao, Wei-Jhe Chien
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Patent number: 9083972Abstract: Provided are bitstream encoding/decoding methods and devices. The decoder includes: a condition information extracting unit creating recognition information using syntax tree information indicating a hierarchical structure between syntax elements corresponding to bits of an input bitstream, respectively and rule description information indicating connectivity between the syntax elements; and a decoding unit decoding data contained in the bitstream into moving image data using the recognition information. Accordingly, it is possible to decode bitstreams encoded in a variety of types (syntax, semantics) corresponding to a variety of standards (for example, MPEG-1, MPEG-2, MPEG-4, and MPEG-4 AVC) by the use of the same information recognition method.Type: GrantFiled: June 26, 2006Date of Patent: July 14, 2015Assignee: HUMAX HOLDINGS CO., LTD.Inventors: Euee-S Jang, Sun-Young Lee, Chung-Ku Lee
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Patent number: 9042439Abstract: A method of setting an order of reference frames for multi-view coding performed by one or more processors. The method includes selecting one or more frames of the same kind that have a same-view relation with said current frame and have an inter-view relation with a frame of the same kind, which is encoded or decoded immediately before; and encoding or decoding the current frame by making reference to the selected one or more kind. Further, the one or more frames of the same kind is a P frame.Type: GrantFiled: December 13, 2005Date of Patent: May 26, 2015Assignee: HUMAX HOLDINGS CO., LTD.Inventors: Yung-Lyul Lee, Euee-S Jang, Chung-Ku Lee
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Patent number: 9031136Abstract: A device and a method for encoding/decoding are disclosed. The encoding apparatus includes: an encoding unit configured to encode data and generate encoded data; a decoder description generation unit configured to generate a decoder description that describes functional units (FUs) constituting a decoder for decoding the encoded data and the connection relation of the FUs; an FU list generation unit configured to generate and output an FU list for FUs constituting a decoder for decoding the encoded data; and a packetizing unit configured to be inputted with the encoded data, to be inputted with a decoder description, an FU list and FUs corresponding to the inputted encoded data, and to packetize and output said decoder description, FU list and FUs.Type: GrantFiled: February 1, 2010Date of Patent: May 12, 2015Assignee: Humax Holdings Co., Ltd.Inventors: Euee-Seon Jang, Hyun-Gyu Kim, Chung-Ku Lee
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Patent number: 8848794Abstract: A method of encoding/decoding a video and an apparatus thereof are disclosed. An embodiment of the present invention provides an encoding/decoding method and apparatus thereof that can interpolate a frame to be skipped with the consideration of the property of the frame. Accordingly, an embodiment of the present invention can encode and decode by using a frame-skipping method having low complexity.Type: GrantFiled: December 18, 2008Date of Patent: September 30, 2014Assignee: Humax Holdings Co., Ltd.Inventors: Chung-Ku Lee, Euee-Seon Jang, Sun-Young Lee, Myung-Jung Lee, Jae-Bum Jun
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Patent number: 8817886Abstract: Disclosed are a bitstream decoding device and a method thereof. The decoding device includes a toolbox, configured to include a plurality of functional units which independently perform a predetermined process—each of the functional units is distinguished by using unique identifiable information; and a connection control unit, configured to selectively load at least one functional unit by using the identifiable information and to control a bitstream to be decoded as video data. With the present invention, it is possible to decode bitstreams, encoded in various ways according to each standard, by using the same information recognizing method.Type: GrantFiled: October 16, 2009Date of Patent: August 26, 2014Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Sun-Young Lee, Sin-Wook Lee, Chung-Ku Lee
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Patent number: 8774285Abstract: An adaptive decoding apparatus and a method of adaptive decoding are disclosed.Type: GrantFiled: April 10, 2009Date of Patent: July 8, 2014Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Chung-Ku Lee, Hyun-Gyu Kim
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Patent number: 8711946Abstract: A unified codec device and method are disclosed. A decoding device includes a decoding description decoder, generating at least one table by using inputted decoding description; and a codec unit, decoding and outputting encoded video data, included in an inputted bit-stream, to moving picture data by using the table. With the present invention, a bit-stream, encoded by various formats according to each standard (e.g. MPEG-1, MPEG-2, MPEG-4 and MPEG-4 AVC), can be decoded by the same information recognizing method.Type: GrantFiled: September 30, 2008Date of Patent: April 29, 2014Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Sun-Young Lee, Chung-Ku Lee
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Patent number: 8687704Abstract: A bitstream decoding apparatus and a method thereof, where the bitstream decoding apparatus includes: a decoder forming unit, configured to generate and output CSCI control information and connection control information by using partial decoder descriptions stored in a description storing unit; and a decoding unit, which selectively loads a plurality of functional units included in a toolbox by using the CSCI control information and the connection control information to decode a bitstream to video data.Type: GrantFiled: October 20, 2008Date of Patent: April 1, 2014Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Chung-Ku Lee, Hyun-Gyu Kim, Shin-Wook Lee, Jea-Bum Jun
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Patent number: 8675734Abstract: Discussed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding/decoding video data by use of the bit precision.Type: GrantFiled: January 26, 2010Date of Patent: March 18, 2014Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Sun-Young Lee, Gi-Seok Son, Chung-Ku Lee
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Patent number: 8654901Abstract: Provided are a decoding apparatus and method. The decoding apparatus includes a repository and a configuration unit. The repository stores a plurality of functional units having an input port and an output port which are respectively represented as tokens. The configuration unit receives decoder description which includes an identifier of at least one of the functional units and connection relationship information between the functional units, selects each functional unit corresponding to the received identifier from the repository, and connects the selected functional units by using the token to configure a variable decoder. The decoding apparatus and method defines the connection relationships between a plurality of functional units that configure a decoder, and thus can quickly and dynamically configure a decoder suitable for various encoding schemes.Type: GrantFiled: October 9, 2009Date of Patent: February 18, 2014Assignee: Korea Electronics Technology InstituteInventors: Hyun Gyu Kim, Sin Wook Lee, Hwa Seon Shin, Sang Heon Lee, Byeong Ho Choi, Chung Ku Lee, Euee Seon Jang
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Bitstream decoding device having reconfigurable functional units and a corresponding decoding method
Patent number: 8582661Abstract: Disclosed are a bitstream decoding device and a method thereof. The decoding device can include a parser, configured to receive schema information for analyzing a bitstream and convert the bitstream to a meaningful datum to output the datum; and a decoding solution, configured to output a video datum by performing a bitstream decoding by use of the datum. With the present invention, it is possible to decode the bitstream encoded in various ways according to each standard by using the same information recognizing method.Type: GrantFiled: October 16, 2009Date of Patent: November 12, 2013Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Sun-Young Lee, Hyun-Gyu Kim, Chung-Ku Lee -
Patent number: 8565320Abstract: Disclosed are a method of encoding/decoding video data and a device thereof. The device includes a toolbox, which stores a plurality of functional units, a reconstruction unit, which reconstructs a decoder description by receiving a compressed decoder description, a decoder description parsing unit, which converts the decoder description to an XML-based decoder description, an ADM generating unit, generates an abstract decoding model (ADM) by using the XML-based decoder description, and a decoding solution, which loads the plurality of functional units stored in the toolbox by using the ADM or the XML-based decoder description to decode input data to video data. With the present invention, it is possible to reconstruct and reassemble a decoder in various forms by using a decoder description.Type: GrantFiled: July 9, 2010Date of Patent: October 22, 2013Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Chung-Ku Lee, Hyun-Gyu Kim
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Patent number: 8411745Abstract: Disclosed are a method and an apparatus of encoding/decoding by using a bit precision. In accordance to an aspect of the present invention, it is possible to encoding and decoding an image or a video by using a bit precision. Accordingly, compression efficiency can be improved and the decoding complexity can be reduced by encoding/decoding video data by use of the bit precision.Type: GrantFiled: July 18, 2008Date of Patent: April 2, 2013Assignee: Humax Co., Ltd.Inventors: Euee-Seon Jang, Sun-Young Lee, Gi-Seok Son, Chung-Ku Lee
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Patent number: 8385405Abstract: A coding/decoding device using a bit-precision is disclosed. A coding device includes a bit-precision selecting unit, selecting a bit-precision value according to data to be coded; and a coding unit, generating a bit-stream by coding the data according to the selected bit-precision value, whereas the selected bit-precision value is inserted into the bit-stream. With the present invention, video data can be entropy-coded by selectively determining the number of bits and there can be provided the decoding method with a little complexity which has not only the identical compression rate to the conventional entropy coding method but also no necessity of additional computation when video data is decoded.Type: GrantFiled: October 19, 2007Date of Patent: February 26, 2013Assignee: Humax Co., Ltd.Inventors: Euee-S Jang, Sun-Young Lee, Chung-Ku Lee
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Patent number: 8331455Abstract: A video data encoding/decoding device and method are disclosed. The decoding device includes a syntax parsing unit, storing a plurality of element information, generated by syntax parsing of a bit stream using description information, in an element information storing unit; a connection controlling unit, successively selecting a plurality of functional units by using the description information, and selectively inputting element information predetermined for the selected functional unit of the plurality of element information stored in the element information storing unit; and a processing unit, comprising at least a functional unit performing a process predetermined by using the element information inputted by the connection controlling unit, and outputting corresponding result data. Accordingly, the present invention can decode a bit stream, decoded by various format in accordance with various standards, by using an identical information recognizing method.Type: GrantFiled: December 28, 2006Date of Patent: December 11, 2012Assignee: Humax Co., Ltd.Inventors: Euee-S Jang, Sun-Young Lee, Chung-Ku Lee
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Patent number: 8149920Abstract: A unified codec device and a method thereof are disclosed. The unified codec device in accordance with an embodiment of the present invention comprises a decoding control unit, which sets a connection relation of functional units by interpreting connection information from an inputted universal bitstream or data, and a functional group, which consists of a plurality of functional units and in which functional units corresponding to a sequential start control of the decoding control unit are sequentially activated to process a bitstream or the data, using the control parameter, to output the inputted bitstream as image data. Using the functional unit recombination technique in accordance with the present invention, the bitstreams based on various decoding standards can be encoded/decoded without restriction.Type: GrantFiled: December 14, 2005Date of Patent: April 3, 2012Assignee: Humax Co., Ltd.Inventors: Euee-S Jang, Sun-Young Lee, Chung-Ku Lee
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Patent number: 8149922Abstract: A video unified codec device and corresponding video method. The unified codec device includes parsing and decoding functional units (PD FUs) extracting and grouping context information, control signals, and data in bit streams inputted according to different syntax data per codec, macro-block-based functional units (MB-based FUs) comprising block-based process units of each codec, for decoding data outputted from PD FUs, and a global control unit (GCU) for controlling MB-based FUs grouped after corresponding control signals and context information received from PD FUs to each codec and processing.Type: GrantFiled: October 21, 2005Date of Patent: April 3, 2012Assignee: Humax Co., Ltd.Inventors: Euee-S. Jang, Yung-Lyul Lee, Sun-Young Lee, Sung-Won Park, Jong-Woo Won, Yong Ho Cho, Chung-Ku Lee
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Patent number: 8144782Abstract: An adaptive motion estimation/compensation device and a method thereof for MB-based illumination change are disclosed. If a macro block mode is determined as a newly designed P_L0_16Ă—16_Mean by calculating the sum of an absolute difference, the motion estimation device CABAC-codes the absolute difference between the pixel mean of a current frame and the pixel mean of a candidate pattern block and transmits the CABAC-coded absolute difference to a pertinent decoder. With the present invention, the transmission amount of the bit stream transmitted to the decoder for decoding can be minimized by maximizing corresponding compressing rate.Type: GrantFiled: December 28, 2006Date of Patent: March 27, 2012Assignee: Humax Co., Ltd.Inventors: Yung-Lyul Lee, Chung-Ku Lee
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Publication number: 20110299603Abstract: A device and a method for encoding/decoding are disclosed. The encoding apparatus includes: an encoding unit configured to encode data and generate encoded data; a decoder description generation unit configured to generate a decoder description that describes functional units (FUs) constituting a decoder for decoding the encoded data and the connection relation of the FUs; an FU list generation unit configured to generate and output an FU list for FUs constituting a decoder for decoding the encoded data; and a packetizing unit configured to be inputted with the encoded data, to be inputted with a decoder description, an FU list and FUs corresponding to the inputted encoded data, and to packetize and output said decoder description, FU list and FUs.Type: ApplicationFiled: February 1, 2010Publication date: December 8, 2011Applicant: HUMAX CO., LTD.Inventors: Euee-Seon Jang, Hyun-Gyu Kim, Chung-Ku Lee