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http://hdl.handle.net/1942/8507
Title: | A prototype for practical eye-gaze corrected video chat on graphics hardware | Authors: | DUMONT, Maarten MAESEN, Steven ROGMANS, Sammy BEKAERT, Philippe |
Issue Date: | 2008 | Publisher: | INSTICC-INST SYST TECHNOLOGIES INFORMATION CONTROL & COMMUNICATION | Source: | Assuncao, P & Faria, S (Ed.) SIGMAP 2008: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND MULTIMEDIA APPLICATIONS. p. 236-243. | Abstract: | We present a fully functional prototype to convincingly restore eye contact between two video chat participants, with a minimal amount of constraints. The proposed six-fold camera setup is easily integrated into the monitor frame, and is used to interpolate an image as if its virtual camera captured the image through a transparent screen. The peer user has a large freedom of movement, resulting in system specifications that enable genuine practical usage. Our software framework thereby harnesses the powerful computational resources inside graphics hardware, to achieve real-time performance up to 30 frames per second for 800 x 600 resolution images. Furthermore, an optimal set of finetuned parameters are presented, that optimizes the end-to-end performance of the application, and therefore is still able to achieve high subjective visual quality. | Notes: | Hasselt Univ, tUL, IBBT, Expertise Ctr Digital Media, Diepenbeek, B-3590 Belgium. | Keywords: | prototype; practical; video chat; eye-gaze correction; GPU; real-time;prototype, practical, video chat, eye-gaze correction, GPU, real-time | Document URI: | http://hdl.handle.net/1942/8507 | ISI #: | 000258928200041 | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2009 |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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mdumont-sigmap2008 (1).pdf | Peer-reviewed author version | 2.69 MB | Adobe PDF | View/Open |
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