Samsung Electronics Co., Ltd.

Seokyoon Jung

Soojung Ryu

Jeongjoon Yoo

John Wakefield Brothers

Sundeep Krishnadasan

Dongkyun Kim

Sanghun Lee

Byounglyong Choi

Sunghyun Nam

Jeongae Park

Younghun Sung

YangHo Cho

Keunho Kim

Sangwook Lee

Shinjun Lee

Sangoak Woo

Seokho Song

Donghoon Yoo

Jeongwook Kim

Yoonseo Choi

Keshavan Varadarajan

Hui Zhang

Jeongsoo Park

Minyoung Son

Minkyu Jeong

Inkyu Park

Krishnadasan Sundeep

Mookyoung Chung

Duckhoon Kim

Ildong Yun

Sehyuk Yun

Sergei Ivanovich Vyatkin

Gyeongia Jang

Jooyeon Han

A method of rendering at least one of paths forming an object includes setting an initial value to each of tiles included in a frame based on a position and a proceeding direction of the at least one of paths, calculating a winding number of each of the tiles through which the at least one of paths passes, among the tiles included in the frame, based on the set initial value, and determining whether to perform shading based on the set initial value and the calculated winding number.

Method and apparatus for performing tile-based path rendering

An electrical polarization filter, an electronic apparatus including the electrical polarization filter, and a method of operating the electronic apparatus are provided. The electrical polarization filter includes a liquid crystal panel configured to control a polarization angle of incident light and a polarization unit configured to display a linear polarization characteristic. The liquid crystal panel includes first and second transparent plates, first and second electrodes provided between the first transparent plate and the second transparent plate, and a liquid crystal layer provided between the first electrode and the second electrode, wherein the incident light directly enters one of the first and second transparent plate provided on an outer side. The polarization unit may be a passive type polarization unit or an active type polarization unit.

Electrical polarization filter, electronic apparatus including the same, and method of operating the electronic apparatus

The electric pen device includes an optical system including a lens and an image sensor configured to convert an image signal of light that has passed through the optical system to an electrical signal. The electric pen device includes a control board configured to interact with an electronic device and a communication module configured to communicate by wire or wirelessly with the electronic device, so that an image or a picture taken by a camera is confirmed and an optical zoom is controlled from the external electronic device.

Electronic pen device having optical zoom

A method of performing path rendering, includes acquiring information of vertexes in an object to be rendered in a frame, and calculating a winding number of a pixel in the frame, based on a relationship between a position of the pixel and a proceeding direction of a path connecting the vertexes. The method further includes determining whether to assign a color to the pixel, based on the winding number.

Method and apparatus for performing path rendering

A graphics data processing method and apparatus are disclosed. The graphics data processing method includes determining a guard band region having a distance range which is predetermined in a viewing direction from a position of a virtual camera, outside a virtualization region representing regions of objects able to be displayed on a screen among a plurality of objects included in graphics data. The method further includes acquiring position information of each of the plurality of objects, determining a region where at least one object among the plurality of objects is located, based on the acquired position information, and performing at least one of clipping and culling on data of the at least one object, based on the determined region.

Graphics data processing method and apparatus

Provided is a method of managing commands, which includes receiving a frame buffer object (FBO) change command, comparing an FBO designated by the FBO change command with a FBO currently processed by a graphics processing unit (GPU) to determine whether the two FBOs are the same as each other, and managing the FBO change command or a flush command based on a result of the comparison.

Apparatus and method for managing commands

Computing apparatus and methods are provided for performing a tile-based graphics pipeline. The graphics pipeline includes a binning pipeline configured to generate a tile list of objects indicating which tile vertices, primitives, or patches the objects belong to; and a rendering pipeline configured to render an object, per tile, based on the tile list generated in the binning pipeline. Each of the binning pipeline and the rendering pipeline is configured to implement a tessellation pipeline. The graphics pipeline may be configured to operate in an efficiency mode to defer or lower tessellation by performing tessellation in one of the binning and rendering pipelines or by setting a new lower tessellation factor.

Graphic processing unit and method of performing, by graphic processing unit, tile-based graphics pipeline

A curve rendering method includes calculating a step size based on a length of a straight line connecting a start point and an end point among control points of a curve to be rendered, and calculating initial values of a forward differencing algorithm (FDA) based on the calculated step size and coefficient values of an equation of the curve that is determined based on the control points. The method further includes generating an FDA table based on the initial values, and calculating a coordinate value of a pixel based on the FDA table.

Curve rendering method and apparatus

An apparatus and method of producing a three-dimensional structural sketch (3DSS) and a computer-readable recording medium on which a computer program for executing the method is recorded are provided. The apparatus includes a property-detecting unit detecting a unary property of each part of a predetermined two-dimensional sketch and relational properties of the parts; a node-generating unit receiving the detected unary properties and the parts and converting the parts into nodes having three-dimensional shapes together with the detected unary properties; and a node-arranging unit receiving the detected relational properties and the nodes, arranging the nodes according to the detected relational properties, and generating a three-dimensional structural sketch, wherein the unary property includes geometric property and the relational property include topologic property. Thus, the apparatus can easily produce a 3DSS and update the produced 3DSS.

Apparatus and method of producing 3D structural sketch and computer-readable recording medium on which compute program for executing the method is recorded

Provided are an apparatus and method for triangulating a three-dimensional (3D) image, and a computer-readable recording medium storing a computer program for controlling the apparatus. The apparatus includes: a surface expression unit expressing the surface of the 3D image as triangles without holes; and an information output unit outputting a result obtained by the surface expression unit. The apparatus quickly and easily finds surface points and expresses the surface of the 3D image as a combination of triangles reliably, generally, and efficiently, more accurately obtains the 4-sided polygons, reduces the number of holes to be formed, is edited by personally recognizing modification of the surface of the 3D image, and can be used as a tool for expressing intuitive data to edit a dynamic object.

Apparatus and method for triangulating 3D image and computer-readable recording medium storing computer program for controlling the apparatus

A method and/or apparatus for high speed visualization of depth image-based 3D graphic data. The method includes: reading point texture data of a 3D object; performing a 3D warping for each of the reference images of the simple texture data at a predetermined view point to obtain warped images; performing a depth test and a splatting for each pixel of the plurality of warped images to obtain final color data; and visualizing an object by using the final color data. Accordingly, it is possible to reduce memory usage and increase the number of visualization per a second and to effectively implement visualization of 3D graphic object in, particularly, a mobile terminal.

Method and/or apparatus for high speed visualization of depth image-based 3D graphic data

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Seoul, South Korea

Seokyoon Jung