[특허]Interpolation processing of digital map imagery data

Interpolation processing of digital map imagery data 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/62
출원번호	US-0074103 (1993-06-08)
발명자 / 주소	Femal Michael J. (Palm Bay FL) Kautz Kenrick W. (Palm Bay FL)
출원인 / 주소	Harris Corporation (Melbourne FL 02)
인용정보	피인용 횟수 : 83 인용 특허 : 0

초록 ▼

Interpolation processing of digital map imagery data is carried out by prefetching full and half resolution data stored in half-resolution addresses of scene memory into a cache and accessing the cache as virtual addresses associated with the interlaced scan of the display are generated. Both full and half-resolution data is controllably weighted and summed bi-linearly to obtain interpolated data values for spatial locations corresponding to the virtual addresses. For a respective half-resolution storage location, stored imagery data includes both half-resolution data, (such as that representative of color characteristics, elevation, cultural features, linear and area features) of its associated half-resolution spatial location in a terrain map and a plurality of full-resolution data for a plurality of full-resolution spatial locations of the terrain map that are located in a adjacent neighborhood surrounding the half-resolution spatial location.

대표청구항 ▼

For use with a video display apparatus having an array of pixels which are controllably energized by video information signals in order to display a video image representative of information stored in memory, a method of generating said video information signals comprising the steps of: (a) providing a scene memory having a plurality of memory addresses each of which is operative to store video data to be controllably accessed and processed in the course of generating said video information signals; (b) storing, in memory addresses of said scene memory, imagery video data associated with respective spatial locations of an image to be displayed by the pixels of said video display apparatus, said respective spatial locations having a first spatial resolution within said image to be displayed, and wherein a respective first spatial location may, but does not necessarily, coincide with a spatial location of a pixel of said array, and wherein the imagery video data contents of a respective memory address contains a plurality of image video data components, each respective one of which is associated with a respectively different one of a plurality of second spatial locations within said video image to be displayed, said plurality of second spatial locations having a second spatial resolution, which is higher than said first spatial resolution, and wherein any of said plurality of second spatial locations may, but does not necessarily, coincide with the location of a pixel of said array, a respective plurality of second spatial locations being distributed around a respective first spatial location; (c) for a respective pixel of said array, identifying where, within said image to be displayed, its associated spatial location occurs; (d) accessing video imagery data from a plurality of memory addresses of said scene memory, whose associated respective first spatial locations surround the associated spatial location of said respective pixel; and (e) processing the imagery video data accessed in step (d) to produce a respective video information signal through which said respective pixel is energized.

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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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연합인증

Interpolation processing of digital map imagery data 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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연합인증

Interpolation processing of digital map imagery data 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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