Abstract:
A head motion tracking method for 3D face animation is provided to automatically carry out natural 3D face model animation without a manual work, thereby saving time and a cost. An initial face motion to be adjusted to a 3D model image is obtained from an image inputted from one video camera(S300). A silhouette of the 3D model is produced and projected(S302). The silhouette generated from the 3D model is matched with a silhouette obtained by a statistical characteristic point tracking method(S304). Motion parameters for the 3D model image are obtained through motion compensation using texture to conduct a 3D head motion tracking function(S306). A characteristic point of the 3D model is matched with a characteristic point of a 2D image to calculate initial motion parameters.
Abstract:
본 발명은 3차원 공간에서 시간일관성을 이용한 실루엣 렌더링 장치 및 방법에 관한 것으로서, 메쉬 형상을 나타내는 메쉬 정보중 3D 오브젝트를 실루엣 추출 알고리즘 중에서 면위에 에지를 생성하는 스무드 서피스 방법을 써서 에지를 추출하는 에지 추출모듈과, 에지 추출모듈에서 구해진 각각의 에지 간을 연결하여 스트로크를 생성하는 스트로크 생성모듈과, 상기 스트로크 생성모듈로부터 상기 스트로크의 현재 프레임과 이전 프레임에서 추출된 카메라와 물체의 움직임 정보를 통하여 연관된 스트로크를 결정하여 해당 스트로크의 스타일 파라미터를 계산하고 세팅하는 파라미터 계산모듈로 구성되는 것을 특징으로 하므로, 3D 상에서 실루엣 에지가 움직인다는 개념 아래에 실루엣 에지의 파라미터를 프레임간의 시간적 일관성을 가지는 실루엣의 스타일 적용을 통하여 아티스트들이 실루엣 표현에 더 자유로울 수 있을 것이며, 또한, 3차원 오브젝트의 모양을 효과적으로 반영하는 실루엣의 렌더링의 스타일화의 시간적 일관성을 해결한 효과가 있는 것이다. 실루엣 렌더링, 시간적 일관성, 애니메이션, 비사실적 렌더링
Abstract:
본 발명은 캐릭터 애니메이션과 메쉬 변형을 이용한 카툰 애니메이션 제작 방법 및 시스템에 관한 것으로서, 캐릭터의 변형되지 않은 모션을 데이터화한 기존 모션데이터를 입력받아 기존 모션데이터로부터 캐릭터의 각 관절이 갖는 애니메이션 값을 분석하여, 파라미터를 추출하는 모션분석모듈과, 캐릭터의 외관을 나타내는 기존 메쉬데이터, 파라미터 및 뼈대와 메쉬가 밀착을 위해 조합된 정보인 기존 스키닝데이터를 입력받아 변형된 메쉬데이터를 생성하는 메쉬변형모듈과, 기존 모션데이터를 입력받아 파라미터를 이용하여 모션을 변형시키는 모션변형모듈과, 변형된 메쉬데이터, 변형된 모션데이터 및 기존 스키닝데이터를 입력받아 최종적으로 카툰 스타일의 모션을 갖는 캐릭터 애니메이션 데이터를 생성하는 스키닝모듈로 구성되므로, 3차원 애니메이션 제작 기법을 이용하면서도 2차원 셀 애니메이션 스타일의 애니메이션을 제작할 때 캐릭터가 2차원 카툰 스타일로 동작하도록 기존 모션을 변형하고 애니메이션에 따라 메쉬를 만화적으로 과장되게 변형하며 캐릭터가 이를 수용할 수 있는 구조를 제공함으로써, 보다 생동감있는 2차원 애니메이션에 가까운 3차원 애니메이션을 제공하는 효과가 있다. 캐릭터, 애니메이션, 메쉬, 모션, 변형,
Abstract:
A system and a method for producing the curvature reflection equi-potential surface based on the Delaunay triangulation are provided to extract the mesh of the curved surface from the three-dimensional negative function data. An initial producing module(1) receives the negative function data and produces the initial mesh. A curved surface geometric module(2) receives the initial mesh, calculates the direction curvature value of the curved surface, produces the Delaunay vertex set to be used the Delaunay triangulation and calculates again the negative function. A space division module(4) performs the Delaunay triangulation with the Delaunay vertex set as the reference and produces the Delaunay triangulation information. A final mesh extraction module(3) receives the three-dimensional negative function data from the Delaunay triangulation information produced from the space division module and extracts the final mesh.
Abstract:
PURPOSE: A three dimensional VR(Virtual Reality) implementing client system and method is provided to process the X3D(eXtensible 3 Dimension) data, transmitted by a server, to display the processed data, and to reprocess a three dimensional VR screen according to an event, generated in the VR. CONSTITUTION: The client system comprises an applet(110), a communication module(130), a browser(140), and an ASP(Active Server Page) support module(120). The applet(110) enables the client system to communicate the X3D data with a server. The communication module(130), connected to the applet(110), makes possible the communication between the client system and the server. The browser(140) parses the X3D data transmitted via the communication module(130) by the server, constructs a scene graph, renders the scene graph according to a preset type, and displays the rendered scene graph on a display. The ASP support module(120) processes the data, transmitted by the server, on an external window according to a user event, generated in the VR implemented by the browser(140).
Abstract:
PURPOSE: A device for generating an interactive model using multi images is provided to generate the interactive model for creating a 3-dimensional model from a 2-dimensional image, thereby being used in 3-dimensional modeling based on images. CONSTITUTION: An image obtaining module(100) obtains an optional object by a 2-dimensional image. A primitive user interface module(200) stores and distributes images through the image obtaining module, and supplies a graphic-based user interface for outputting a printed result on a screen, then supplies primitives of a predefined 3-dimensional initial model for giving interaction between 2-dimensional and 3-dimensional data. A 3-dimensional model generating module(300) inputs image points and a predefined 3-dimensional primitive to calculate 3-dimensional coordinates, and generates a 3-dimensional model to be conformed with pictures of the primitives. A texture rendering module(400) renders textures of each face of the 3-dimensional model. A user adds or edits various types of animation for the 3-dimensional model in an interactive animation module(500).
Abstract:
PURPOSE: An automatic sampling system for shape information and a sampling method thereof are provided to rapidly process image information using a moire probe, to use halogen illumination instead of laser light for human body, to automatically and precisely sample three dimensional shape information with high sampling density and to unite face information in 360 degrees. CONSTITUTION: An automatic sampling system contains a rotating table(2) rotating an object(3); a rotating table controller(4) for controlling the rotating table; a moire probe(1) inputting image information per face; a moire probe controller(6) controlling the moire probe; and a microcomputer(5) controlling the rotating table controller and the moire probe controller, analyzing the moire image and sampling three dimensional shape information in 360 degrees. First, the object is rotated in 360 degrees to make the shape of the object. Secondary, an upward three dimensional information is combined with the shape of the object by using a mirror face and by photographing the upper portion of the object. Finally, the three dimensional shape of the object is sampled.
Abstract:
PURPOSE: An automatic appearance testing system and its method are provided to automate the entire processes. CONSTITUTION: An automatic appearance testing system comprises a computer(30) to analyze an image and to check a tested object; a sensor(40) to inform a loading of a car body; an image processing board(50) to memorize shape information by inputting an image of a camera; CCD(Charge Coupled Device) cameras(60,70) to take images of a rear portion in the car body; a tag reader(80) to offer a model and specification of the car body by reading information of a tag; and a controller(90) to stop and operate the car body and to inform through a warning lamp. An emergency stop signal is detected. An emergency stop of the car body is checked. A sensor signal is detected. Information of a stopped vehicle is analyzed. Images of a roof and a rear portion are tested. A defect is tested and the defective car body is processed. A conveyer is driven.