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Topics on 10G applications in telemedicine: Transmission of High-Definition images Shuji Shimizu Naoki Nakashima Koji Okamura Kyushu University, Fukuoka, Japan Korea-Japan Medical Network Kyushu-Univ. Korea APII Gigabit Network Digital Video Transfer System DVTS DVTS

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Topics on 10g applications in telemedicine transmission of high definition images l.jpg

Topics on 10G applications in telemedicine:Transmission of High-Definition images

Shuji Shimizu

Naoki Nakashima

Koji Okamura

Kyushu University, Fukuoka, Japan


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Korea-Japan Medical Network

Kyushu-Univ.

Korea

APII

Gigabit

Network

Digital Video Transfer System

DVTS

DVTS

Digital Video Transfer System

  • No compression of images

  • Minimal time delay


Need for even better quality l.jpg

Need for even better quality…

  • Telepathology

  • Telesurgery

  • PC presentation

Transmission of HD quality should be tried


Menu for today l.jpg

Menu for today

  • Telepathology with HDTV

    • What is pathology?

  • Surgical application

    • New surgical instrument

  • Possible solution for PC presentation?

Kyushu Univ., Fukuoka


For making the final diagnosis l.jpg

X-ray

Resected specimen

For making the final diagnosis

Malignant or benign?

How advanced?


Final diagnosis by pathology l.jpg

Microsope

Final diagnosis by pathology

Magnified view


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What we need for telepathology is …

  • Very high-resolution!!!

    HDTV quality should be mandatory.

  • Moving image is required.

    To examine all the fields on site

Kyushu Univ., Fukuoka


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Image of telepathology between Korea and Japan

Seoul

Kyushu-Univ.

Hyeonhae-Genkai

GigabitNetwork

DVTS

DVTS

HDTV

HDTV

DVTS is not satisfactory in quality.


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HTDV equipments for pathology

Panasonic

NTT

Ikegami


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High denisity Telepathological System

SONY

HDC-X300

(HD-SDI)

Fujitsu

IP-7500

Olympus

Microscope


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Menu for today

  • Telepathology with HDTV

    • What is pathology?

  • Surgical application

    • New surgical instrument

  • Possible solution for PC presentation?

Kyushu Univ., Fukuoka


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Change in surgical instruments…

  • Analog to digital

    Recording: SVH to DV or DVD

    Direct digital output

  • DV to HD

    HD model in process

Huge market is moving toward High-Vision instruments.


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1

2

3

◆ Improvement in surgical instruments

Presentation method-3

Live surgery

HD

D/A

Analog

DV

DVTS

IE1394

S-VHS

DV

HD


Htdv equipments for surgery l.jpg

Olympus

HTDV equipments for surgery

Not commercially available yet


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Menu for today

  • Telepathology with HDTV

    • What is pathology?

  • Surgical application

    • New surgical instrument

  • Possible solution for PC presentation?

Kyushu Univ., Fukuoka


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5

1

HD?

DV

2

  • Quality

  • Speed

  • Movies

3

VNC

IEEE1394

Even worse!

◆ Does HD improve the quality of PC presentation?

Presentation method

In-put method for presentation

Loss of quqlity

Twin Pact

Analog

DV

DVTS

IE1394

RGB

4

DV?

HD?


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Multicast is necessary

Hanyang University Hospital

KIX

Singapore

1G

Seoul-XP

6M

SEOUL

Europe

National Cancer Center

10M

GSR

USA

155M

Seoul National Univ

(Bundang Hospital)

155M

TAEGU

Ehwa Womans Univ

GSR

SUWON

GSR

GSR

Seoul National Univ(Main Hospital)

DEAJON

Samsung Medical Center

2G

GSR

Japan

BUSAN

Chungnam National University

GSR

KWANJU

Gyeongsang Univ

Expected

Connected

Pusan University

1GMbps Subscriber


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Conclusions

  • There are strong needs and demands of High-Definition quality in telemedicine.

  • Telepathology and surgery are good candidates and ready for trial. HD may also be expected to improve the quality of PC presentation.

  • Multicast is strongly requested in telemedicine, which needs more bandwidth between KJ.


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