Thermal infrared (IR) imagery offers a promising alternative to visible imagery for face recognition due to its relative insensitive to variations in face appearance caused by illumination changes. Despite its advantages, however, thermal IR has several limitations including that it is opaque to glass. The focus of this study is on the sensitivity of thermal IR imagery to facial occlusions caus...

A new proto col for m aking an immediate prov isional eyeg lasses-supported nasa l p rosthesis is presen ted t hat uses laser scann ing, com puter-aided desig n/computer-aided manufacturing procedu res, and rapid p rototyping tech niques, reducing time and costs while increasing the quality of the final product. With this protocol, the eyeglasses were digitized, and the relative posit ion of th...

PURPOSE To evaluate the visual performance of different types of intraocular lens (IOL) in eyes submitted to femtosecond laser (FSL) cataract surgery and to analyze whether this technology could result in spectacles independence. DESIGN Retrospective comparative case series. METHODS Consecutive eyes that were scheduled for FSL cataract surgery were included in this study. After one month po...

Video-based eye gaze detection systems are useful for eye-slaved support system for the severely disabled. The pupil center in the video image is a focal point to determine the eye gaze. Recently, to improve the disadvantages of traditional pupil detection methods, a pupil detection technique using two light sources (LEDs) and the image difference method was proposed [1]. In addition, for users...

DOI 10.1024/1421-0185/a000059 Abstract. In face perception, besides physiognomic changes, accessories like eyeglasses can influence facial appearance. According to a stereotype, people who wear glasses are more intelligent, but less attractive. In a series of four experiments, we showed how full-rim and rimless glasses, differing with respect to the amount of face they cover, affect face percep...

Finding the accurate position of an eye is crucial for mobile iris recognition system in order to extract the iris region quickly and correctly. Unfortunately, this is very difficult to accomplish when a person is wearing eyeglasses because of the interference from the eyeglasses. This paper proposes an eye detection method that is robust to eyeglass interference in mobile environment. The prop...

We describe and demonstrate a pair of diopter-adjustable eyeglasses aimed to correct presbyopia; the glasses provide a tunable optical power in the whole surface of the lens cell, eliminating the optical distortion typical of bifocal/trifocal or progressive glasses. The wearer can actively control the optical power by a simple sliding gesture on the bridge of the glasses, so that presbyopic vis...

We present a case of successful multi-procedure management of a patient with an open globe injury. A 47-year-old man sustained an injury to his left eye caused by glass fragments of his own spectacles shattered while he was protecting an unknown woman from physical assault at a bus stop. Over a span of 65 months the patient underwent multiple procedures including primary wound repair, penetrati...