[특허]Method and apparatus for representing an image

Method and apparatus for representing an image 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06K-009/40
출원번호	US-0477564 (1990-02-09)
발명자 / 주소	Resnikoff Howard L. (Winchester MA) Zettler Jr. William (Brookline MA)
출원인 / 주소	Aware, Inc. (Cambridge MA 02)
인용정보	피인용 횟수 : 74 인용 특허 : 0

초록 ▼

An improved image compression system is disclosed in which the image is first repetitively filtered in one direction to produce a series of sub-images. These sub-images are then repetitively filtered in a second image to produce an image representation having a plurality of sub-images in which each

대표청구항 ▼

An apparatus for generating representation of an input array comprising a two-dimensional array of numbers, said input array being organized as a plurality of linear arrays corresponding to the roes and colums of sa dinput array, said aparatus comprising: means for storing at least one row of said input array; linear filtering means for filtering a lnear sequence of numbers to generate high and low frequency linear arrays of numbers, said high and low frequency linear arrays representing the high and low frequency components of said linear sequence; row processing means for causing said linear filtering means to process each said row in said input array to generate a low frequency row array representing said input array, said low frequency row array comprising a two-dmensional array of numbers orgaized as a plurality of rows and columns, said row processing means comprising means for iteratively processing a row of said input array for a predetermined number of iterations, wherein said first iteration comprises causing said linear filtering means to filter said row of said input array and, in successive said iterations, said filtering means is caused to filter the low frequency array generated in the previsou iteration; said row processing means further comprising means for storing the low frequency array generated in the last said iteration in said low frequency row array at a row location corresponding to the location of the row in said input array from which said low frquency array was generated; and column processing means for cuasing said linear filtering means to process each said column in said low frequency row array to generate a low frequency column array representing said input array said low frequency column array comprising a two-dimensional array of numbers organized as a plurality of rows and columns, said colum processing means comprising means for iteratively processing a column of said low frequency row array for a predetermined number of iterations, wherein said first iteration, said linear filtering means is caused to filter said column of said input array and, in said successive iterations, said filtering means is cuaed to fitler the low frequency column array generated in the previous iteration, said column processing means further comprising means for storing the low frequency array generated in the last said iteration in said low frequency column array at a column location corresponding to the location of the column in said low frequency row array from which said low frequency array was generated.

이 특허를 인용한 특허 (74)

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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

Method and apparatus for representing an image 원문보기

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Method and apparatus for representing an image 원문보기

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