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Paper Abstract and Keywords
Presentation 2020-01-24 10:45
Performance Evaluation on RTP Payload Mapping of JPEG XS to Reduce Image Quality Degradation
Junichiro Kawamoto, Ryo Shirato, Takuya Kurakake (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) In an IP program production system, attention has been focused on a lightweight compression technology capable of transmitting images with high image quality, low latency, and efficient bandwidth utilization. So far, we have proposed and investigated a mapping method for the lightweight compressed signal to an RTP payload, which can reduce the degradation of image quality when a packet is lost. The proposed method was applied to 2K/4K/8K video to evaluate the effect of reducing image quality degradation and transmission rate. As a result, it was confirmed that although the average PSNR deteriorates when packet loss occurred due to an increase in frame size, the image quality of the decompressed image can be improved by the reduction effect of the proposed method on the image quality degradation. When the proposed method was applied to 8K video, the transmission rate increased by max 82.0 Mbps, but the transmission rate could be reduced to 0.25 Mbps by appropriately setting the RTP payload length.
Keyword (in Japanese) (See Japanese page) 
(in English) video over IP transmission / lightweight compression / packet mapping / packet loss / / / /  
Reference Info. ITE Tech. Rep., vol. 44, no. 2, BCT2020-15, pp. 55-58, Jan. 2020.
Paper # BCT2020-15 
Date of Issue 2020-01-16 (BCT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2020-01-23 - 2020-01-24 
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Paper Information
Registration To BCT 
Conference Code 2020-01-BCT-KYUSHU-BT-AP-S-FUKUOKA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation on RTP Payload Mapping of JPEG XS to Reduce Image Quality Degradation 
Sub Title (in English)  
Keyword(1) video over IP transmission  
Keyword(2) lightweight compression  
Keyword(3) packet mapping  
Keyword(4) packet loss  
1st Author's Name Junichiro Kawamoto  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Ryo Shirato  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Takuya Kurakake  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2020-01-24 10:45:00 
Presentation Time 25 minutes 
Registration for BCT 
Paper # BCT2020-15 
Volume (vol) vol.44 
Number (no) no.2 
Page pp.55-58 
Date of Issue 2020-01-16 (BCT) 

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