Patents by Inventor Ui-Ho Lee
Ui-Ho 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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Publication number: 20150043647Abstract: According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution.Type: ApplicationFiled: October 24, 2014Publication date: February 12, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150043649Abstract: According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution.Type: ApplicationFiled: October 24, 2014Publication date: February 12, 2015Inventors: Chung Ku YIE, Min Sung Kim, UI Ho Lee
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Publication number: 20150043648Abstract: According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution.Type: ApplicationFiled: October 24, 2014Publication date: February 12, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150016740Abstract: The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images.Type: ApplicationFiled: September 18, 2014Publication date: January 15, 2015Inventors: Alex Chungku YIE, Joon Seong Park, UI Ho Lee
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Publication number: 20150016741Abstract: A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on a prediction unit split by conducting at least one of asymmetric partitioning and geometrical partitioning, and restoring an image by adding the residual value to the prediction unit. It may be possible to enhance encoding efficiency of high-resolution images having a resolution of HD or higher by performing intra prediction on the asymmetric partitioning and/or geometrical partitioning.Type: ApplicationFiled: September 25, 2014Publication date: January 15, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150016738Abstract: The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images.Type: ApplicationFiled: September 18, 2014Publication date: January 15, 2015Inventors: Alex Chungku YIE, Joon Seong Park, Ui Ho Lee
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Publication number: 20150016739Abstract: The invention relates to methods and apparatuses for encoding/decoding high resolution images, which involve setting the size of the prediction unit to be encoded to an expanded macro-block size in accordance with the temporal frequency characteristics or spatial frequency characteristics among pictures to be encoded, and performing motion prediction motion compensation, and transformation on the basis of a set prediction unit size. In addition, the methods and the apparatuses of the present invention involve dividing a macro-block having a pixel size of 32*32 or 64*64 into at least one partition on the basis of an edge, and performing encoding processes for each partition. Accordingly, encoding efficiency can be improved for high definition (HD) or higher resolution high-resolution images.Type: ApplicationFiled: September 18, 2014Publication date: January 15, 2015Inventors: Alex Chungku YIE, Joon Seong Park, Ui Ho Lee
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Publication number: 20150010067Abstract: Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded; determining the total number of prediction modes for intra-prediction in accordance with the size of the prediction unit; selecting a certain prediction mode on the basis of the displacement of a reference pixel among the determined total number of the prediction modes, and performing intra-prediction using the selected prediction mode; and transforming and quantizing the residual value, which is the difference between the prediction unit predicted by the intra-prediction and the current prediction unit, and entropy-encoding the transformed and quantized value. Thus, rate-distortion may be optimized and image quality and encoding speed may be improved.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chungku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150010079Abstract: A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on a prediction unit split by conducting at least one of asymmetric partitioning and geometrical partitioning, and restoring an image by adding the residual value to the prediction unit. It may be possible to enhance encoding efficiency of high-resolution images having a resolution of HD or higher by performing intra prediction on the asymmetric partitioning and/or geometrical partitioning.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150010065Abstract: Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded; determining the total number of prediction modes for intra-prediction in accordance with the size of the prediction unit; selecting a certain prediction mode on the basis of the displacement of a reference pixel among the determined total number of the prediction modes, and performing intra-prediction using the selected prediction mode; and transforming and quantizing the residual value, which is the difference between the prediction unit predicted by the intra-prediction and the current prediction unit, and entropy-encoding the transformed and quantized value. Thus, rate-distortion may be optimized and image quality and encoding speed may be improved.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chungku YIE, Min Sung Kim, Ui Ho Lee
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Publication number: 20150010064Abstract: Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded; determining the total number of prediction modes for intra-prediction in accordance with the size of the prediction unit; selecting a certain prediction mode on the basis of the displacement of a reference pixel among the determined total number of the prediction modes, and performing intra-prediction using the selected prediction mode; and transforming and quantizing the residual value, which is the difference between the prediction unit predicted by the intra-prediction and the current prediction unit, and entropy-encoding the transformed and quantized value. Thus, rate-distortion may be optimized and image quality and encoding speed may be improved.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chungku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150010080Abstract: A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on a prediction unit split by conducting at least one of asymmetric partitioning and geometrical partitioning, and restoring an image by adding the residual value to the prediction unit. It may be possible to enhance encoding efficiency of high-resolution images having a resolution of HD or higher by performing intra prediction on the asymmetric partitioning and/or geometrical partitioning.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150010066Abstract: Disclosed is an adaptive intra-prediction encoding and decoding method. The adaptive intra-prediction encoding method comprises the following steps: providing a prediction unit to be encoded; determining the total number of prediction modes for intra-prediction in accordance with the size of the prediction unit; selecting a certain prediction mode on the basis of the displacement of a reference pixel among the determined total number of the prediction modes, and performing intra-prediction using the selected prediction mode; and transforming and quantizing the residual value, which is the difference between the prediction unit predicted by the intra-prediction and the current prediction unit, and entropy-encoding the transformed and quantized value. Thus, rate-distortion may be optimized and image quality and encoding speed may be improved.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chungku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20150010081Abstract: A method of decoding an image includes the steps of restoring a residual value by performing inverse quantization and inverse transform on the residual value by entropy decoding a received bit stream, generating a prediction unit by performing intra prediction selectively using one of a plurality of prediction modes on a prediction unit split by conducting at least one of asymmetric partitioning and geometrical partitioning, and restoring an image by adding the residual value to the prediction unit. It may be possible to enhance encoding efficiency of high-resolution images having a resolution of HD or higher by performing intra prediction on the asymmetric partitioning and/or geometrical partitioning.Type: ApplicationFiled: September 25, 2014Publication date: January 8, 2015Inventors: Chung Ku YIE, Min Sung KIM, UI Ho LEE
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Publication number: 20140192876Abstract: According to the present invention, an image encoding/decoding method involves selecting, for units which are more precise than picture units, interpolation filters to be used in a motion compensated inter prediction to calculate sub-pixel values, wherein said precise units include at least one of a slice unit and a partition unit. Thus, encoding precision may be improved in a high resolution image having high definition (HD) or greater resolution.Type: ApplicationFiled: August 16, 2012Publication date: July 10, 2014Inventors: Chung Ku Yie, Min Sung Kim, Ui Ho Lee
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Publication number: 20090227300Abstract: A slide type mobile terminal according to an aspect of the invention comprises: a main body having buttons and a slide part having a display, wherein the buttons comprise at least one open button that is open to the exterior and at least one hidden button that is not open to the exterior when the slide part is opened with respect to the main body, the slide part comprises at least one push protrusion corresponding with at least the hidden button, and the main body and the slide part are joined by a connection means which allows sliding of the slide part with respect to the main body. With such a composition, the invention allows for a larger display on the slide part and provides a slide type mobile terminal which can have various functional buttons.Type: ApplicationFiled: December 20, 2005Publication date: September 10, 2009Applicant: KTF TECHNOLOGIES, INC.Inventors: Ui-Ho Lee, Yong-Jae Kim
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Publication number: 20090117954Abstract: The invention comprises a folder having a display part on the inner surface thereof, and a main body having keys which is connected by a swivel hinge to the folder, while the keys have extra functions when the folder is rotated, and with the portable terminal comprising a folder having a push protrusion that is formed to correspond to at least one of the keys when the main body and the folder are superposed with the inner surface of the folder exposed to the exterior, the keys on the main body may be used by applying pressure on the folder when the display part is exposed to the exterior via a 180° rotation of the folder.Type: ApplicationFiled: September 28, 2005Publication date: May 7, 2009Inventors: Ui-Ho Lee, Yong-Jae Kim
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Patent number: 7199406Abstract: A method for manufacturing a transistor includes forming a semiconductor layer on a substrate, a first insulation film on the semiconductor layer, and a gate electrode on the first insulation film. The method also includes forming a source region, a channel region, and a drain region in the semiconductor layer and forming a second insulation film on the gate electrode. A source electrode and a drain electrode are formed on the second insulation film and are coupled to the source region and the drain region, respectively. The method further includes coupling the drain electrode to the gate electrode through a contact hole that is vertically above the channel region.Type: GrantFiled: November 5, 2004Date of Patent: April 3, 2007Assignee: Samsung SDI Co., Ltd.Inventors: Keum-Nam Kim, Ui-Ho Lee
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Publication number: 20050077814Abstract: A top-emitting organic light-emitting device can prevent a voltage drop by electrically coupling a cathode bus line to a cathode electrode. A method for fabricating the same is also disclosed. The flat panel display device comprises an insulating substrate having a pixel region and a non-pixel region, a first electrode arranged in the pixel region a second electrode arranged in the pixel region and the non-pixel region, an organic emission layer and a charge transporting layer formed between the first electrode and the second electrode of the pixel region, and an electrode line formed in the pixel region and the non-pixel region. The electrode line and the second electrode are electrically and directly coupled to each other in the non-pixel region.Type: ApplicationFiled: August 25, 2004Publication date: April 14, 2005Inventors: Jae-Bon Koo, Ui-Ho Lee
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Publication number: 20040207583Abstract: Disclosed is a flat panel display capable of enhancing a white balance by making a doping concentration or shape and size of drain offset regions of driving transistors different, in R, G and B unit pixels of each pixel. A flat panel display, comprises a plurality of pixels, where each of pixels including R, G and B unit pixels to embody red (R), green (G) and blue (B) colors, respectively. Each of the unit pixels includes a transistor with source/drain regions. Transistors of at least two unit pixels of the R, G and B unit pixels have drain regions of different geometric structures. In each unit pixel, a resistance value of the drain region of the transistor to drive a light-emitting device having the highest luminous efficiency among the transistors is higher than that of the drain region of a transistor to drive the light-emitting device having a relatively low luminous efficiency.Type: ApplicationFiled: April 2, 2004Publication date: October 21, 2004Applicant: Samsung SDI Co., Ltd.Inventors: Jae-Bon Koo, Sang-II Park, UI-Ho Lee, Jin-Soo Kim, Jin-Woung Jung, Chang-Gyu Lee