Fixtureless lensmeter system

作者: Goldberg David Howard , Carrafa Joseph

DOI:

关键词: Distortion (optics)Computer sciencePower (physics)Spherical powerCoordinate systemLens (optics)CylinderAstigmatismMobile deviceArtificial intelligenceComputer vision

摘要: A lensmeter system may include a mobile device having camera. The camera capture first image of pattern through lens that is separate from the camera, while in contact with pattern. determine size based on and known features second pattern, at an intermediate location between be transformed to ideal coordinate system, processed distortion attributable lens. measure characteristics distortion. Characteristics spherical power, cylinder and/or astigmatism angle.