System and method of obtaining fit and fabrication measurements for eyeglasses using simultaneous localization and mapping of camera images

摘要

A system and method for determining the measurements needed to fabricate prescription eyeglasses. A person is imaged wearing the eyeglass frames, from a first camera position and a subsequent camera position. This produces images having differing perspectives from known distances. Common measurement points are identified within at least some of the images. The common measurement points undergo positional changes between the images having said differing perspectives. The positional changes of the common measurement points and the known distance to the imaging camera are utilized to map three dimensional coordinates for the measurement points using an actual measurement scale. Fabrication measurements are calculated between the various three-dimensional coordinates in the same scale.