Google Tech TalksFebruary 2, 2007ABSTRACTAbstractImages without alternative text are a barrier to equal web access for blind users. To illustrate the problem, we present a series of studies that conclusively show that a large fraction of significant images have no alternative text. To ameliorate this problem, we developed WebInSight, a system that automatically creates and inserts alternative text into web pages on-the-fly. To formulate alternative text for images, we present three labeling modules based on web context analysis, enhanced optical character recognition (OCR) and human labeling. The system caches alternative text in a local database and can add new labels seamlessly after a...
Questions about WebInsight Making Web Images Accessible
Want more info about WebInsight Making Web Images Accessible?
Get free advice from education experts and Noodle community members.