[특허]Method and apparatus for transforming a two-dimensional video signal onto a three-dimensional surface

Method and apparatus for transforming a two-dimensional video signal onto a three-dimensional surface 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-009/00 G06F-015/62
출원번호	US-0865946 (1992-04-09)
발명자 / 주소	Kurashige Masafumi (Tokyo JPX)
출원인 / 주소	Sony Corporation (Tokyo JPX 03)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A method and apparatus for transforming a two-dimensional input video signal onto a three-dimensional surface and for depicting illumination thereof by a spot light source transforms the two-dimensional video signal in accordance with a mapping data signal onto the three-dimensional surface. A spot light source signal including first and second data signals is generated, the first data signal representing the direction of the axis of a spot light source and the second data signal representing a radius of the spot light source. A spot light key signal is generated based on the second data signal and a distance signal representing distances between locations on the three-dimensional surface and the axis of the spot light source based on the first data signal and the mapping data signal. At least one of a luminance component and hue components of at least one of the two-dimensional video image signal and the transformed two-dimensional video image signal is modified in accordance with the spot light key signal.

대표청구항 ▼

A method for transforming an input video signal representing a two-dimensional image into a transformed video signal representing said two-dimensional image transformed onto a three-dimensional surface and for depicting illumination thereof by a spot light source, said input video signal having at least one of a luminance component and hue components, comprising the steps of: defining said three-dimensional surface; providing a mapping data signal for transforming said input video signal onto said three-dimensional surface; transforming said input video signal in accordance with said mapping data signal to generate said transformed video signal representing an image conforming with said three-dimensional surface, said transformed video signal having at least one of a luminance component and hue components; generating a spot light source signal including first and second data signals, the first data signal representing a direction of an axis of a spot light source and the second data signal representing a radius of said spot light source; generating a spot light key signal based on said second data signal and a distance signal representing distance between locations on said three-dimensional surface and the axis of the spot light source based on said first data signal and said mapping data signal; and modifying at least one of said luminance component and said hue components of at least one of said input video signal and said transformed video signal in accordance with said spot light key signal.

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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

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Method and apparatus for transforming a two-dimensional video signal onto a three-dimensional surface 원문보기

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Method and apparatus for transforming a two-dimensional video signal onto a three-dimensional surface 원문보기

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