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Chang Su
Chang Su Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090243805 | RFID TAG AND RFID SYSTEM USING THE SAME - An RFID tag and an RFID tag using the same are disclosed, wherein the RFID tag comprises: a circuit unit arranged on a first part of a board; and a loop type antenna on a second part of the board. | 10-01-2009 |
Chang Su Hong, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090154707 | METHOD AND SYSTEM FOR DISTRIBUTING GROUP KEY IN VIDEO CONFERENCE SYSTEM - Provided are a system and method for distributing a group key for a video conference using a one-time password in a video conference system. The method includes: when a video terminal is required to participate in a video conference, generating a challenge value and a response value corresponding to the video terminal; encrypting a group key corresponding to the video conference with the response value, and transmitting the encrypted group key and the challenge value to the video terminal; and causing the video terminal to participate in the video conference in response to an acknowledgement message from the video terminal. This results in high user friendliness and high-level security. | 06-18-2009 |
| 20100128876 | METHOD OF DISTRIBUTING ENCODING/DECODING PROGRAM AND SYMMETRIC KEY IN SECURITY DOMAIN ENVIRONMENT AND DATA DIVIDER AND DATA INJECTOR THEREFOR - A method of distributing an encoding/decoding program and a symmetric key in a security domain environment, and a device divider and data injector therefor are provided. The method includes selecting, at a highest-level security domain, an encoding/decoding program and a symmetric key to be distributed to a plurality of lower-level security domains; dividing the selected encoding/decoding program and the symmetric key into pieces as many as the number of lower-level security domains; and distributing the divided encoding/decoding program pieces and the symmetric key pieces to devices belonging to the lower-level security domains. | 05-27-2010 |
Chang Su Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090190662 | METHOD AND APPARATUS FOR ENCODING AND DECODING MULTIVIEW VIDEO - A method for encoding a multiview video includes estimating and compensating for a motion between a plurality of pictures from more than one view. A first video captured at a first view becomes a basis and for performing encoding on the first video using the motion estimation and compensation result. Motion estimation and compensation is then performed on a predetermined picture selected from among a plurality of pictures included in a second video captured at a second view being different from that of the first video. The picture from the second view is then encoded using the motion estimation and compensation result. A bit stream is generated including encoded data of the first video and encoded data of the second video. | 07-30-2009 |
| 20090196349 | METHOD FOR ESTIMATING CONTOUR OF VIDEO OBJECT - A method for estimating a boundary between a background and a user object in a video, in which the user object is segmented from the background is provided. The initial object contour is estimated in a first video frame for object segmentation, and color probability density functions are estimated for the user object and the background segmented from the first video frame. An edge strip with a predetermined width is generated in a current frame based on an object contour of a previous frame, and a coherence probability density function of the edge strip is estimated. The user object is segmented in the current frame by energy minimization. | 08-06-2009 |
| 20090196507 | Method and apparatus for estimating object contour in a moving picture - A method and apparatus for estimating the contour of a user object in a moving picture during video communications so that a personal background image is not provided during video communications. Information about center coordinates as well as a size of a face of the user object is extracted from a moving picture frame. Edges are extracted from the moving picture frame, and a boundary of a head of the user object is estimated using a semicircle. The boundaries of left and right shoulders and left and right arms of the user object are estimated using second-order function graphs that overlap a largest portion of the edges. An entire contour of the user object is estimated according to the boundaries of the head, the left and right shoulders, and the left and right arms of the user object. | 08-06-2009 |
| 20100208797 | DISTRIBUTED VIDEO ENCODER AND DECODER, AND DISTRIBUTED VIDEO ENCODING AND DECODING METHOD - A distributed video encoder and decoder and a distributed video encoding and decoding method through a symmetrical motion prediction and channel division are provided. Side information may be generated through the symmetrical motion prediction, and only a portion, which is significantly distorted, may be encoded and decoded into a channel code through an evaluation of the side information and thus, a configuration of the distributed video decoder may be simplified. | 08-19-2010 |
| 20110091118 | APPARATUS AND METHOD FOR CODING A THREE DIMENSIONAL MESH - Disclosed is a three-dimensional (3D) mesh compression apparatus and method. The 3D mesh compression apparatus may generate a base mesh through a mesh simplification, may separately compress the base mesh and peaks eliminated by the simplification, may construct a covariance matrix based on a topological distance between the eliminated peaks, and may compress 3D mesh data based on the covariance matrix. | 04-21-2011 |
| 20120013608 | APPARATUS AND METHOD OF SCALABLE ENCODING OF 3D MESH, AND APPARATUS AND METHOD OF SCALABLE DECODING OF 3D MESH - A scalable three-dimensional (3D) mesh encoding method includes dividing the 3D mesh into layers of complexity into a plurality of graduated levels and generating vertex position information and connectivity information of each of the plurality of levels. The vertex position information about the 3D mesh is encoded based on a weighting in each bit plane and vertex position information having a higher weighting in each bit plane is first encoded. | 01-19-2012 |
Chang-Su Han, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110309958 | METHOD AND APPARATUS FOR ENCODING AND DECODING DATA - Methods and apparatuses for encoding and decoding data. The method for encoding data includes: receiving data; determining one quantizer from among a plurality of quantizers having a same quantization step size and different offset values; and transmitting an indicator and a quantized coefficient related to the determined quantizer. The method for decoding data includes: receiving an indicator and a quantized coefficient related to a quantizer; determining one de-quantizer from among a plurality of de-quantizers by using the indicator; and acquiring reconstructed data by de-quantizing the quantized coefficient by using the determined de-quantizer. | 12-22-2011 |
Chang-Su Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090106776 | Apparatus and method for managing events in virtual world - Provided is an apparatus for managing events in a virtual world. The apparatus includes: an event detecting unit monitoring a virtual world and detecting an event which occurs in the virtual world; a snapshot managing unit generating snapshots of developments of the event; and a control unit providing each of the generated snapshots in real time. | 04-23-2009 |
| 20090109614 | PORTABLE TERMINAL HAVING LONG STROKE HINGE - A portable terminal having a long-stroke hinge is disclosed. The portable terminal includes a first main body, a second main body sliding on the first main body, a first member with elasticity having a first end fixed to the first main body and a second end that is horizontally moveable, and a second member having a first end rotatably coupled with the second end of the first member and a second end fixed to the second main body. | 04-30-2009 |
| 20090153497 | USER INTERFACE DEVICE AND INPUT ELEMENT - A user interface device and an input element include at least one input button that protrudes to be deformed when being pressed and then elastically restored when not being pressed, a sensing unit to sense whether the at least one input button has been pressed, and a display panel disposed underneath the at least one input button and including an input sign display area overlapping with the at least one input button. | 06-18-2009 |
| 20100110229 | Terminal having photographing function and display method for the same - Provided are a terminal having a photographing function and a displaying method for the terminal. The displaying method includes generating a plurality of process images by processing an original image, which is an image shown through a lens of the terminal, several times using different setup information each time, and displaying the generated plurality of process images on a plurality of buttons. Accordingly, even when a user is not proficient with how to obtain a high quality photograph by setting setup information, such as a focus, exposure, etc. and with operating the buttons, the user can select a process image, which seems to be the most preferable to the user, from among the process images, and thus the user can easily find the optimum setup information with a simple button operation. | 05-06-2010 |
| 20110199346 | SEMICONDUCTOR DEVICE HAVING GUARD RING, DISPLAY DRIVER CIRCUIT, AND DISPLAY APPARATUS - A semiconductor device includes a semiconductor substrate having a first conductivity type, at least two first well regions which have a second conductivity type and a predetermined depth in the semiconductor substrate, at least one second well region which has the first conductivity type and a predetermined depth in each of the first well regions, and a guard-ring region which has the second conductivity type and a predetermined depth and is positioned between the first well regions to be separated by a predetermined distance from the first well regions. The guard-ring region is connected to a ground voltage. | 08-18-2011 |
Chang-Su Kim, Seongnam-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100190321 | METHOD OF FABRICATING PHASE-CHANGE MEMORY DEVICE HAVING TiC LAYER - Provided is a method of fabricating a phase-change memory device. The phase-change memory device includes a memory cell having a switching device and a phase change pattern. The method includes; forming a TiC layer on a contact electrically connecting the switching device using a plasma enhanced cyclic chemical vapor deposition (PE-cyclic CVD) process, patterning the TiC layer to form a lower electrode on the contact, and forming the phase-change pattern on the lower electrode. | 07-29-2010 |
Chang-Su Kim, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20120074540 | SEMICONDUCTOR CHIP PACKAGE - A structure of a semiconductor chip package is provided. The semiconductor chip package includes: a substrate; a semiconductor chip mounted on a first surface of the substrate; a plurality of electrode pads on a second surface, different from the first surface, of the substrate; and an electrostatic discharge protection pad overlapping a portion of a first electrode pad and a portion of a second electrode pad among the plurality of electrode pads. | 03-29-2012 |
Chang-Su Kyeong, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20120056834 | Display Device Having Touch Sensor and Method for Driving the Same - The present invention relates to a display device having a touch sensor in which the touch sensor is driven in a period which has a small noise component from the display device to reduce influence from the noise for minimizing a touch error; and a method for driving the same. | 03-08-2012 |
Chang-Su Lee, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110115788 | METHOD AND APPARATUS FOR SETTING STEREOSCOPIC EFFECT IN A PORTABLE TERMINAL - A method and an apparatus for setting a three-Dimensional (3D) effect in a portable terminal are provided. In the method, a 3D effect index for each of a plurality of items forming a display screen or a list is set. A display depth of each item according to the set 3D effect index is controlled when the plurality of items are displayed. | 05-19-2011 |
Chang-Su Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100250675 | SYSTEM AND METHOD FOR TRANSMITTING PERSONAL NETWORKING-BASED BLOG POST, AND SERVER APPLIED TO THE SAME - Disclosed are a system and method for distributing a blog post based on personal networking, and a server to be applied thereto. The system includes a writer terminal unit, which makes a series of settings for forming a blog post containing contents posted by a writer through the writer's blog registered with an online community service, and then distributes the blog post to at least one or more acquaintances blogs registered to personal networking with the writer, sharer/distributor terminal units, which make setting for posting the blog post on the acquaintances blogs, or distributing the blog post to at least one or more other acquaintances blogs registered to personal networking with sharers/distributors, and a service management server, which differentially provides management authority for the blog post to each of the writer and the sharers/distributors, and integrally manages the blog post distributed to a plurality of blogs, based on a path along which the blog post is distributed. The system and method distributes a blog post containing a writer's specific purpose of posting, such as a help-wanted notice, step by step through blogs registered with an online community service, based on trust relationships, thereby providing a notice platform, which is so efficient that an advertiser who writes a blog post, such as a help-wanted notice, can quickly find a qualified person, based on his/her trust relationships. | 09-30-2010 |
Chang-Su Park, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090027752 | PROJECTION DISPLAY APPARATUS FOR REMOVING NOISE - A projection type of display apparatus for removing a noise is disclosed. In accordance with an embodiment of the present invention, the projection type of display apparatus includes: a light source; an optical board, incidenting a beam of light emitted from the light source; and an optical modulator, being fixed on one surface of the optical board and modulating and emitting the beam of light that passed through the optical board. The blocking layer is formed on the optical board. With the present invention, it is possible to remove the noise of the image and display the image more clearly by enhancing the contrast. | 01-29-2009 |