Pupil, in optical systems, the virtual image of an aperture associated with mirrors, prisms, and lenses and their combinations. The Figure shows the case of an optical system composed of two lenses with a stop between them. The virtual image of the apert
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This article describes our study of the problem of segmenting the eye pupil and iris in images obtained using an infrared camera. In our work, we propose a proprietary deep neural network architecture with a novel loss function for learning to segment human ocular structures. We also present a...
试题来源: 解析 The iris (plural: irides, in this context) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and the amount of light reaching the pupil. "Eye co... 反馈 收藏 ...
entrance pupil of the eyeThis is the image of the iris aperture formed by the cornea. It is what one sees when one looks at an eye. It is some 13% larger than the real pupil and located slightly in front of it.Syn.apparent pupil (Fig. P23). ...
the expanding and contracting opening in the iris of the eye, through which light passes to the retina. Discover More Other Words From pu·pil·lessadjective Discover More Word History and Origins Origin ofpupil1 First recorded in 1350–1400;Middle Englishpupille,fromMiddle French,fromLatinpūpillu...
pupil (of the eye) 眸() 也可见: 瞳孔 ▾ 外部资源(未审查的) [...] at least a portion of the irisandpupil of theperson’s eye; illuminating an eye, of an unidentified person having an iris and a pupil; obtaining at least one image of at least the same portion of the irisandpup...
2.LawAminorunderthesupervisionof aguardian. [MiddleEnglishpupille,orphan,fromOldFrench,fromLatinpūpillus,diminutiveofpūpus,boy.] pu′pil·lar·y(-pə-lĕr′ē)adj. pu·pil2 (pyo͞o′pəl) n. Theapparentlyblackcircularopeninginthecenteroftheirisoftheeye,throughwhichlightpassestotheretina....
Cl. 3-13 6 Claims ABSTRACT OF THE DISCLOSURE Artificial eye for use as replacement for a natural eye includes a body portion receivable in the natural eye socket, the body carrying a movable and detachable iris and pupil portion whose motion is obtained by the natural muscle acting through a...