Tile Boundary Artifacts Reduction of JPEG2000 Compressed Images
POLICIES OF JPEG2000 VIDEO TRANSMISSION
description
Transcript of POLICIES OF JPEG2000 VIDEO TRANSMISSION
POLICIES OF JPEG2000VIDEO TRANSMISSION
Department of Information and Communications Engineering
Universitat Autònoma de Barcelona, Spain
Francesc Aulí-Llinàs
INTRODUCTIONPART 1: JPEG2000 core coding system
SAMPLE DATATRANSFORMATION
TIER-1 CODING
ORIGINAL IMAGE
TIER-2 CODING
JPEG2000 codestream
PART 3: Motion JPEG2000
JP2 JP2 JP2 JP2 JP2 JP2 JP2 JP2 JP2 JP2
MJ2 FILE
PART 9: JPEG2000 interactive protocol
JPEG2000 codestream
JPIPSERVER
JPIPCLIENT
POLICIES OF VIDEO TRANSMISSION
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy synchronization
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)
33.52 dB34.55 dB
performance
33.52 dB34.55 dB
POLICIES OF VIDEO TRANSMISSION
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)b) Variable Bit-Rate (VBR) minimize overall distortion – target DL slope
performance
PREMISE 1: extrapolation between DL slope bitrate
DL slope thresholds of quality layers
POLICIES OF VIDEO TRANSMISSION
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)b) Variable Bit-Rate (VBR) minimize overall distortion – target DL slope
performance
PREMISE 2: consecutive frames have similar characteristics
window size 2: 1.4%window size 10: 4.3%
POLICIES OF VIDEO TRANSMISSION
JPIPSERVER
JPIPCLIENT
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)b) Variable Bit-Rate (VBR) minimize overall distortion – target DL slope
performance
buffer
targeting: DL SLOPE BIT-RATE
DL slope
frame
POLICIES OF VIDEO TRANSMISSION
1) Client-driven policy2) Server-driven policy
synchronization
a) Constant Bit-Rate (CBR)b) Variable Bit-Rate (VBR) minimize overall distortion – target DL slope
performance
33.52 dB34.55 dB34.33 dB
+ variable conditions channels