[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Saxe et al., 1998 - Google Patents

Dual level intraframe coding for increased video telecommunication bandwidth

Saxe et al., 1998

View PDF
Document ID
15596975647115275700
Author
Saxe D
Foulds R
Joyce III A
Publication year
Publication venue
Proceedings of the third international ACM conference on Assistive technologies

External Links

Snippet

While digital video transmission and video conferencing methods have improved significantly over the last few years, the transmission of sign language for individuals who are deaf via this medium still remains a problem. Desktop video teleconferencing systems …
Continue reading at dl.acm.org (PDF) (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television, VOD [Video On Demand]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00221—Acquiring or recognising human faces, facial parts, facial sketches, facial expressions

Similar Documents

Publication Publication Date Title
Chai et al. Face segmentation using skin-color map in videophone applications
Eleftheriadis et al. Automatic face location detection and tracking for model-assisted coding of video teleconferencing sequences at low bit-rates
Doulamis et al. Low bit-rate coding of image sequences using adaptive regions of interest
US7676063B2 (en) System and method for eye-tracking and blink detection
Chen et al. ROI video coding based on H. 263+ with robust skin-color detection technique
Fang et al. A video saliency detection model in compressed domain
CA2407143C (en) Texture replacement in video sequences and images
US20060215016A1 (en) System and method for very low frame rate video streaming for face-to-face video conferencing
US7203356B2 (en) Subject segmentation and tracking using 3D sensing technology for video compression in multimedia applications
US6343141B1 (en) Skin area detection for video image systems
US20060215014A1 (en) System and method for very low frame rate teleconferencing employing image morphing and cropping
Schumeyer et al. Color-based classifier for region identification in video
JP2002531020A (en) Foreground information extraction method in stereoscopic image coding
CA2177866A1 (en) Automatic face and facial feature location detection for low bit rate model-assisted h.261 compatible coding of video
US20020164068A1 (en) Model switching in a communication system
Stoffels et al. Object‐oriented image analysis for very‐low‐bitrate video‐coding systems using the CNN universal machine
Boubekker Bandwidth Reduction for the Transmission of Sign Language Over Telephone Lines
Eleftheriadis et al. Model-assisted coding of video teleconferencing sequences at low bit rates
EP0684736A2 (en) Model-assisted coding of video sequences at low bit rates
Saxe et al. Dual level intraframe coding for increased video telecommunication bandwidth
McLean Structured video coding
Lin et al. A low-complexity face-assisted coding scheme for low bit-rate video telephony
Trew et al. Automatic face location to enhance videophone picture quality
Doulamis et al. Improving the performance of MPEG compatible encoding at low bit rates using adaptive neural networks
Schumeyer et al. Color-based content coding with applications to sign language video communications