This article investigates a contribution of synthesized visual speech. Synthesis of visual speech expressed by a computer consists in an animation in particular movements of lips. Visual speech is also necessary part of the non-manual component of a sign language. Appropriate methodology is proposed to determine the quality and the accuracy of synthesized visual speech. Proposed methodology is ...

Sign language activates the auditory cortex of deaf subjects, which is evidence of cross-modal plasticity. Lip-reading (visual phonetics), which involves audio-visual integration, activates the auditory cortex of hearing subjects. To test whether audio-visual cross-modal plasticity occurs within areas involved in cross-modal integration, we used functional MRI to study seven prelingual deaf sig...

The authors report clinical features of ocular manifestations in patients with multiple sclerosis (MS), those that affect the visual sensory system and those that affect the ocular motor system. Disturbances of visual sensory function may precede, manifest coincidentally or follow the neurologic manifestations. Visual disturbances are common in MS and often a result of acute demyelinating optic...

This work presents a statistical recognition approach performing large vocabulary continuous sign language recognition across different signers. Automatic sign language recognition is currently evolving from artificial lab-generated data to ’real-life’ data. To the best of our knowledge, this is the first time system design on a large data set with true focus on real-life applicability is thoro...

Sign languages are visual-gestural languages developed mainly in deaf communities; their tempo-spatial nature makes it difficult to write them, yet several transcription systems are available for them. Most sign languages dictionaries interact with their users via a transcriptionbased inteface; thus their users need to be expert of their specific transcription system. The e-LIS dictionary is th...

Driver distraction and safety concerns have been identified for new highway logo sign configurations. This study assessed driver perception of logo signs and distraction under nine-panel, overflow-combination, or standard six-panel formats. A nine-panel sign has nine business panels within a single sign; a six-panel sign has six panels within a sign; an overflow-combination consists of a standa...

Localization of sign language production and comprehension in deaf people has been described as similar to that of spoken language aphasia. However, sign language employs a visuospatial modality through visual information. We present the first report of a deaf signer who showed substantial sign language aphasia with severe impairment in word production due to a left occipital lesion. This case ...

Sign language processing is often performed by processing each individual sign. Such an approach relies on an exhaustive description of the signs and does not take into account the spatial structure of the sentence. In this paper, we will present a general model of sign language sentences that uses the construction of the signing space as a representation of both the meaning and the realization...

purpose: to investigate the results of deep lamellar keratoplasty (dlk) by big bubble method with using shifting bubble sign in patients suffering from keratoconus or corneal opacity methods: in this prospective interventional clinical trial, 20 eyes of 18 patients (10 males and 8 females) who underwent dlk by big bubble method using shifting bubble sign were investigated. mean age of cases wer...

purpose: to report a case of spinal cord tumor with visual symptoms and papilledema due to increased intracranial pressure. patient and findings: a 24-year-old woman was referred because of recent blurred vision in both eyes. visual acuity was 20/25 and 20/20 in the right and left eyes, respectively. fundoscopy revealed bilateral papilledema. other ophthalmic examinations were normal. visual fi...