video bit reduction based on foveation

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CiteSeerX — Citation Query Implementation of a ,
CiteSeerX — Citation Query Implementation of a ,

Implementation of a foveated image-coding system for bandwidth reduction of video images (1996) by P T Kortum, W S Geisler Venue: , artifact-free video at high frame rates in either 8-bit gray scale or 24-bit color The software is demonstrated by simulating the visual fields of normal individuals and low-vision patients Keywords variable ....

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Bit reduction based matching criterion for motion ,
Bit reduction based matching criterion for motion ,

Video data compression uses interframe coding to remove temporal redundancy and , Bit reduction based matching criterion for motion compensation in video coding ....

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grinding pengupasan layanan machine pavers - hcdsin
grinding pengupasan layanan machine pavers - hcdsin

video bit reduction based on foveation 12686 vertical milling machine used for calcium carbonate grinding pengupasan layanan mesin pavers nacib video bit reduction based on foveation 12686 Chat Online ; vibratingchip screen machine assetcareco XZS1000 rotary hance ginger vibrating screen machine grinding pengupasan layanan ,...

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Perceptual Multimedia Compression Based on ,
Perceptual Multimedia Compression Based on ,

Perceptual Multimedia Compression Based on Predictive Kalman Filter Eye Movement Modeling Oleg V Komogortsev, Javed I Khan Department of Computer Science Kent State University, Kent, OH, USA 44242 ABSTRACT In this paper we propose an algorithm for predicting a person’s perceptual attention focus (PAtF) ,...

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Foveation embedded DCT domain video transcoding ,
Foveation embedded DCT domain video transcoding ,

The proposed foveation embedded DCT domain video transcoding can reduce the bit rate without compromising visual quality or achieve better subjective quality for a given bit rate by shaping the compression distortion according to the foveated contrast sensitivity function of the HVS In addition, fast algorithms for video foveation filtering ....

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CiteSeerX — Citation Query A Fast DCT-SQ Scheme for ,
CiteSeerX — Citation Query A Fast DCT-SQ Scheme for ,

In this work, we present realtime foveation techniques for low bit rate video coding , (DCT) based video coding techniques for low bit rate video coding, ....

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Snapdragon 845 Mobile Platform with Adreno 630 GPU ,
Snapdragon 845 Mobile Platform with Adreno 630 GPU ,

Video enthusiasts will appreciate cinema-like quality video thanks to ultra HD premium capture with richer color Adreno 630 Visual Processing Subsystem Deliver larger-than-life immersive experiences with the Qualcomm® Adreno™ 630 Visual Processing Subsystem (including GPU, VPU and DPU), featuring room-scale 6DoF with SLAM, Adreno Foveation ....

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video bit reduction based on foveation - goldenmilein
video bit reduction based on foveation - goldenmilein

In foveation based video transcoding, the incoming video stream is a uniform resolution video sequence , the average bit rate reduction due to foveation is more , Read More Adaptive Foveation of MPEG Video - Kent State ,...

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Predictive Perceptual Compression for Real Time ,
Predictive Perceptual Compression for Real Time ,

Predictive Perceptual Compression for Real Time Video Communication Oleg Komogortsev Kent State University Computer Science Department [email protected] Javed Khan Kent State University Computer Science Department [email protected] ABSTRACT Approximately 2 degrees in our 140 degree vision span ,...

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A Foveation-Based Rate Shaping Mechanism for MPEG Videos
A Foveation-Based Rate Shaping Mechanism for MPEG Videos

The rate shaper is designed based on an experimental-proven foveation model, and achieve rate reduction by eliminating , In most block-based video , Bit (SMSB ....

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Real-time foveation techniques for low bit rate video ,
Real-time foveation techniques for low bit rate video ,

Real-time foveation techniques for low bit , -based video coding techniques for low bit , In case of the DCT domain foveation algorithm, we obtain reduction in ....

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Adaptive Foveation of MPEG Video - Kent State ,
Adaptive Foveation of MPEG Video - Kent State ,

egy for data reduction Adaptive foveation is a means of providing dynamic quality of service (QoS); that is, dynamic control of the temporal and spatial parameters characterizing a video sequence [2] Figure 1 shows our model for multipoint video distribu-tion over heterogeneous channels The rat e adaptor ma,y be either network-based ,...

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MULTILAYER BIT ALLOCATION FOR VIDEO ENCODING ,
MULTILAYER BIT ALLOCATION FOR VIDEO ENCODING ,

MULTILAYER BIT ALLOCATION FOR VIDEO , in traditional transform-based video coding systems should be , by the foveation model video code bit allocation ....

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Ευρεσιτεχνίες US7406207 - Multi-point predictive foveation ,
Ευρεσιτεχνίες US7406207 - Multi-point predictive foveation ,

A scene of an image sequence is transmitted that has been compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a ....

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Redox Reactions - YouTube
Redox Reactions - YouTube

Sep 10, 2013· 031 - Redox Reactions In this video Paul Andersen explains how redox reactions are driven by the movement of electrons from the substance that is oxidized to the substance that is reduced Oxidation is the loss of electrons and reduction is the gaining of electrons Since electrons are not normally displayed in a ,...

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براءة الاختراع US7499594 - Multi-resolution predictive ,
براءة الاختراع US7499594 - Multi-resolution predictive ,

Each foveation zone in the scene has a corresponding resolution to ensure that at least one object therein is viewer-recognizable Another scene of the image sequence is compressed using a different number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the ,...

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Space-variant picture coding - CORE
Space-variant picture coding - CORE

A practical foveation-based rate-shaping mechanism for MPEG videos,” (1998) A real-time foveated multiresolution system for low-bandwidth video communication,” A real-time foveated multiresolution system for low-bandwidth video communication,”...

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Off-line Foveated Video: Effects on Compression ,
Off-line Foveated Video: Effects on Compression ,

Off-line Foveated Video: Effects on Compression and Perception , six tested videos, an average bit-rate reduction of , after off-line foveation (hence 12 videos ....

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Foveated imaging - Wikipedia
Foveated imaging - Wikipedia

Foveated imaging is a digital image processing technique in which the image resolution, or amount of detail, varies across the image according to one or more "fixation points" A fixation point indicates the highest resolution region of the image and corresponds to the center of the eye's retina, the fovea The location of a fixation point may ....

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Foveated video compression with optimal rate ,
Foveated video compression with optimal rate ,

Foveated Video Compression with Optimal Rate Control Sanghoon Lee, Marios S Pattichis, and Alan Conrad Bovik, Fellow, IEEE Abstract— Recently, foveated video compression algorithms have been proposed which, in certain applications, deliver high-quality video at reduced bit rates by seeking to match the nonuniform sampling of the ,...

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Multi-resolution foveation for bandwidth reduction of ,
Multi-resolution foveation for bandwidth reduction of ,

Aug 24, 2010· Multi-resolution foveation for bandwidth reduction of , efficient low bit rate , video may be compressed in real-time based on the eye ....

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A frequency-domain video transcoder for dynamic bit ,
A frequency-domain video transcoder for dynamic bit ,

CiteSeerX - Scientific documents that cite the following paper: A frequency-domain video transcoder for dynamic bit-rate reduction for MPEG-2 bit streams...

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Video Bit Reduction Based On Foveation
Video Bit Reduction Based On Foveation

Multi-resolution predictive foveation for bandwidth , A scene of an image sequence is compressed using a number of foveation zones, each foveation zone being ....

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Patent US7499594 - Multi-resolution predictive foveation ,
Patent US7499594 - Multi-resolution predictive foveation ,

A scene of an image sequence is compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the first scene Each foveation zone in the scene has a corresponding resolution to ensure that at least one ....

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Day 2 Immerse Pillar TimLeland - qualcomm
Day 2 Immerse Pillar TimLeland - qualcomm

Adreno 630 highlights Room-Scale 6DOF with SLAM Adreno Foveation 2K x 2K @ 120 fps XR 30% Faster Graphics and Video 30% Power Reduction ,...

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Multi-point predictive foveation for bandwidth reduction ,
Multi-point predictive foveation for bandwidth reduction ,

A scene of an image sequence is compressed using a number of foveation zones, each foveation zone being weighted based on a probability of a viewer looking at a corresponding portion of the first scene Another scene of the image sequence is compressed using a different number of foveation zones, each foveation zone being weighted based ,...

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Off-line Foveated Video: Effects on Compression ,
Off-line Foveated Video: Effects on Compression ,

Off-line Foveated Video: Effects on Compression and Perception Marcus Nyström*, Kenneth Holmqvist† *Dept of Information Technology, †Laboratory for the Humanities Lund University, Sweden UCSB, 2007-03-12 Marcus Nyström, Lund University Outline • What is off-line foveation? • Research questions • Evaluating quality of off-line ....

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Bit Reduction Based On Foveation - iwcpin
Bit Reduction Based On Foveation - iwcpin

video bit reduction based on foveation - , A Foveation-Based Rate Shaping Mechanism for MPEG Videos The rate shaper is designed based on , A Foveation-Based Rate Shaping Mechanism for MPEG Videos The rate shaper is designed based ,...

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Patente US7679622 - Foveation-based error resilience ,
Patente US7679622 - Foveation-based error resilience ,

A method for improving real-time video communications using a Foveation-based unequal error protection scheme (UEP) and error resilience In a preferred embodiment of the present invention, a real time processing module partitions a video image into at least two data bit stream signals based on a directional pointing device or a pattern filter ,...

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Ευρεσιτεχνίες US7679622 - Foveation-based error ,
Ευρεσιτεχνίες US7679622 - Foveation-based error ,

A method for improving real-time video communications using a Foveation-based unequal error protection scheme (UEP) and error resilience In a preferred embodiment of the present invention, a real time processing module partitions a video image into at least two data bit stream signals based on a directional pointing device or a pattern filter ,...

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