1. Topics on 10G applications in telemedicine: Transmission of High-Definition images Shuji Shimizu Naoki Nakashima Koji Okamura Kyushu University, Fukuoka, Japan

2. APIIGigabitNetworkAPIIGigabitNetwork ＤＶＴＳ Korea Korea-Japan Medical Network Kyushu-Univ. No compression of images No compression of images Minimal time delay Minimal time delay No compression of images No compression of images Minimal time delay Minimal time delay Digital Video Transfer System

3. Need for even better quality… Telepathology Telesurgery PC presentation Transmission of HD quality should be tried

4. Menu for today Telepathology with HDTV What is pathology? Surgical application New surgical instrument Possible solution for PC presentation? Kyushu Univ., Fukuoka

5. For making the final diagnosis Resected specimen How advanced? X-ray Malignant or benign?

6. Final diagnosis by pathology Magnified view Microsope

7. 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

8. Hyeonhae-Genkai Gigabit Network Hyeonhae-Genkai ＤＶＴＳ HDTV Seoul Kyushu-Univ. HDTV Image of telepathology between Korea and Japan DVTS is not satisfactory in quality.

9. HTDV equipments for pathology Panasonic NTT Ikegami

10. High denisity Telepathological System SONY HDC-X300 (HD-SDI) SONY HDC-X300 (HD-SDI) Fujitsu IP-7500 Fujitsu IP-7500 Olympus Microscope Olympus Microscope

11. Menu for today Telepathology with HDTV What is pathology? Surgical application New surgical instrument Possible solution for PC presentation? Kyushu Univ., Fukuoka

12. 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.

13. ◆ Improvement in surgical instruments D/A S-VHS Ａｎａｌｏｇ DVDVTS IE1394 Live surgeryPresentation method-3 1 DV 23 HD

14. HTDV equipments for surgery Olympus Not commercially available yet

15. Menu for today Telepathology with HDTV What is pathology? Surgical application New surgical instrument Possible solution for PC presentation? Kyushu Univ., Fukuoka

16. ◆ Does HD improve the quality of PC presentation? Ｔｗｉｎ Ｐａｃｔ ＲＧＢ Ａｎａｌｏｇ DVDVTS IE1394 1 In-put method for presentationPresentation method 4 DV? HD? Loss of quqlity ＶＮＣ 3 Quality Speed Movies DV IEEE1394 2 Even worse! ＨＤ？ 5

17. ＵＳＡ Japan ６Ｍ 10 Ｍ 155 Ｍ ＫＩＸ Singapore Europe KWANJU DEAJON SUWON SEOUL Seoul-XP TAEGU BUSAN 2Ｇ2Ｇ 1GMbps Subscriber GSR Gyeongsang Univ National Cancer Center Ehwa Womans Univ Seoul National Univ (Bundang Hospital) Hanyang University Hospital Multicast is necessary 1G 155M Chungnam National University Samsung Medical Center Connected Expected Seoul National Univ (Main Hospital) Pusan University

18. 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.

19. Korea- Japan Telemedical project Kyushu Univ Hanyang, NCC Multicast is very useful in Telemedical project!