Topics on 10 G 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 Digital Video Transfer System DVTS APII Gigabit Network DVTS Digital Video Transfer System • No compression of images • Minimal time delay
Need for even better quality… • Telepathology • Telesurgery • PC presentation Transmission of HD quality should be tried
Menu for today n Telepathology n What is pathology? n Surgical n with HDTV application New surgical instrument n Possible solution for PC presentation? Kyushu Univ. , Fukuoka
For making the final diagnosis X-ray Resected specimen Malignant or benign? How advanced?
Final diagnosis by pathology Magnified view Microsope
What we need for telepathology is … n Very high-resolution!!! HDTV quality should be mandatory. n Moving image is required. To examine all the fields on site Kyushu Univ. , Fukuoka
Image of telepathology between Korea and Japan Seoul Kyushu-Univ. DVTS HDTV Hyeonhae-Genkai Gigabit Network DVTS is not satisfactory in quality. DVTS HDTV
HTDV equipments for pathology Panasonic NTT Ikegami
High denisity Telepathological System SONY HDC-X 300 (HD-SDI) Fujitsu IP-7500 Olympus Microscope
Menu for today n Telepathology n What is pathology? n Surgical n with HDTV application New surgical instrument n Possible solution for PC presentation? Kyushu Univ. , Fukuoka
Change in surgical instruments… n Analog to digital Recording: SVH to DV or DVD Direct digital output n DV to HD HD model in process Huge market is moving toward High-Vision instruments.
◆ Improvement in surgical instruments Presentation method-3 Live surgery 1 Analog HD D/A DV DVTS IE 1394 S-VHS 2 DV 3 HD
HTDV equipments for surgery Not commercially available yet Olympus
Menu for today n Telepathology n What is pathology? n Surgical n with HDTV application New surgical instrument n Possible solution for PC presentation? Kyushu Univ. , Fukuoka
◆ Does HD improve the quality of PC presentation? Presentation method 1 In-put method for presentation Loss of quqlity Analog Twin Pact 5 DV DVTS IE 1394 RGB DV 2 IEEE 1394 HD? Even worse! 3 VNC • Quality • Speed • Movies 4 DV? HD?
Multicast is necessary Hanyang University Hospital KIX 1 G Singapore Seoul-XP SEOUL 6M Europe 10M National Cancer Center GSR USA 155M Seoul National Univ (Bundang Hospital) 155 M Ehwa Womans Univ TAEGU GSR SUWON GSR Seoul National Univ (Main Hospital) DEAJON Samsung Medical Center GSR Chungnam National University Gyeongsang Univ GSR BUSAN 2G Japan KWANJU Connected Expected Pusan University 1 GMbps Subscriber
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.