[특허]Automatic focusing of biomedical specimens apparatus

Automatic focusing of biomedical specimens apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06T-005/20
출원번호	US-0309405 (1994-09-20)
발명자 / 주소	Frost Keith L. (Seattle WA) Hayenga Jon W. (Kent WA) Stephanick James A. (Seattle WA) Schmidt Robert C. (Redmond WA)
출원인 / 주소	NeoPath, Inc. (Redmond WA 02)
인용정보	피인용 횟수 : 71 인용 특허 : 0

초록 ▼

A method for automatically focusing on a slide includes the steps of locating a coverslip, acquiring images from predetermined focal depths in the slide, and starting at an initial focal depth proximate the surface of the coverslip. A set of predetermined characteristics within each of the images are measured to generate at least one image measurement for each of the plurality of images. A focus measure is computed for each of the images, where each focus measure is a function of at least one image measurement. A best focus location is determined relative to a focal depth where an acquired image has a highest focus measure.

대표청구항 ▼

A method for automatically focusing on a slide comprising the steps of: (a) locating a coverslip having a bottom surface; (b) acquiring a plurality of images from a plurality of predetermined focal depths relative to the slide, starting at an initial focal depth proximate the bottom surface of the coverslip; (c) measuring a set of predetermined characteristics within each of the plurality of images to generate at least one image measurement for each of the plurality of images; (d) computing a focus measure for each of the plurality of images, where each focus measure is a function of at least one image measurement, wherein the focus measure is derived from morphological operations, computational operations, and logical operations on the at least one image measurement; and (e) determining a best focus location relative to a focal depth where an acquired image has a highest focus measure.

이 특허를 인용한 특허 (71)

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Douglass, James W.; Riding, Thomas J.; Ring, James E., Method and apparatus for automated image analysis of biological specimens.
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Douglass,James W.; Riding,Thomas J.; Ring,James E., Method and apparatus for automated image analysis of biological specimens.
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Douglass,James W.; Riding,Thomas J.; Ring,James E., Method and apparatus for automated image analysis of biological specimens.
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Wetzel,Arthur W.; Gilbertson, II,John R.; Beckstead,Jeffrey A.; Feineigle,Patricia A.; Hauser,Christopher R.; Palmieri, Jr.,Frank A., System and method for finding regions of interest for microscopic digital montage imaging.
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Wetzel,Arthur W.; Gilbertson, II,John R.; Beckstead,Jeffrey A.; Feineigle,Patricia A.; Hauser,Christopher R.; Palmieri, Jr.,Frank A., System for creating microscopic digital montage images.
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Automatic focusing of biomedical specimens apparatus 원문보기

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Automatic focusing of biomedical specimens apparatus 원문보기

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