[특허]Image generator for generating perspective views from data defining a model having opaque and translucent features

Image generator for generating perspective views from data defining a model having opaque and translucent features 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/72
출원번호	US-0689924 (1994-11-08)
우선권정보	GB-0028342 (1988-12-05)
국제출원번호	PCT/GB89/01451 (1989-12-05)
§371/§102 date	1991May2 (1991May2)
국제공개번호	WO-9006561 (1990-06-14)
발명자 / 주소	Baker Stephen J. (Surrey GBX) Cowdrey Dennis A. (West Sussex GBX) Olive Graham J. (West Sussex GBX) Wood Karl J. (West Sussex GBX)
출원인 / 주소	Rediffusion Simulation Limited (Sussex GBX 03)
인용정보	피인용 횟수 : 155 인용 특허 : 0

초록 ▼

An apparatus for generating an image from data defining a model including a plurality of opaque and translucent features. The image is intended to represent a view of the model from a predetermined eyepoint and is made up from an array of screen space pixels. The image area is divided into an array of sub-areas each of which covers at least one pixel. For each feature in the model that is potentially visible from the eyepoint, a test is conducted to determine which of the sub-areas is at least partially covered by that feature. For each feature which covers a sampling point, a function of the distance from the eyepoint to that feature at the sampling point is determined. An output for each pixel within a sub-area is produced, the pixel output corresponding to the combined effects of the sampling point outputs for all sampling points which contribute to that pixel, and the pixel outputs are displayed.

대표청구항 ▼

An apparatus for generating an image to be displayed on a display screen from data defining a model including a plurality of opaque and translucent features, the image being intended to represent a view of the model from a predetermined eyepoint and being made up from an angry of screen space pixels to be displayed by a raster scanning process, each pixel being of uniform color and intensity, and the pixels together defining an image area, comprising: a. dividing means for dividing the image area into an array of sub-areas each of which covers at least one pixel, b. sub-area coverage determining means for determining for each feature in the model which of the sub-areas is at least partially covered by that feature, c. list means for producing a list of feature identifiers in respect of each sub-area, the list for any one sub-area identifying features which at least partially cover that sub-area, d. position means for determining a position in screen space for at least one sampling point within each sub-area, e. sampling point cover determining means for determining, for each sub-area in turn, and for each said sampling point, which of the features in that sub-area\s list cover that sampling point, f. distance determining means for determining, for each feature which covers a sampling point, a distance from the eyepoint to that feature at the sampling point, g. feature storing means for storing feature describing data for each sampling point within a sub-area, the stored dam being indicative of at least the distance of the opaque feature which covers the sampling point and is nearest to the eyepoint and the distance and translucency of at least one nearer translucent feature which covers the sampling point, h. sampling point output means for producing an output for each sampling point within a sub-area, the sampling point output corresponding to the combined effects of the features identified by the data stored in the data storing means, i. pixel producing output means for producing an output for each pixel within a sub-area, the pixel output corresponding to the combined effects of the sampling point outputs for all sampling points which contribute to that pixel, and j. display means for displaying the pixel outputs.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Image generator for generating perspective views from data defining a model having opaque and translucent features 원문보기

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연합인증

Image generator for generating perspective views from data defining a model having opaque and translucent features 원문보기

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대표청구항 ▼

연구과제 타임라인

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IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

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