Internal vs. external information in visual perception
Proceedings of the 2nd international symposium on Smart graphics
User-perceived quality-aware adaptive delivery of MPEG-4 content
NOSSDAV '03 Proceedings of the 13th international workshop on Network and operating systems support for digital audio and video
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Change blindness is the inability to note large changes in two similar photos or video sequences. In the last decade research carried out to understand this phenomenon has given a new understanding of human perceptual system. This understanding can help in solving some of the problems associated with the transmission of video in a synchronous e-learning tool. The paper describes (a) cinematic principles in recording lectures; (b) the concept of change blindness; (c) the ways its understanding can help in making the presentation of video more engrossing; (d) the guidelines it can provide to remove redundant data and enhance the quality of important sections of the video frame so as to improve the transmission of video; and (e) proposed scheme to stream video sequence having optimum perceptual quality by dynamically controlling frame rate and resolution, taking into considerations the concepts of change blindness.