The design and realization of a videoconference system based on international recommendation are introduced in this paper, and the hardware implementation of video codec based on ITU-T H. 261 is briefly discussed. Fur...The design and realization of a videoconference system based on international recommendation are introduced in this paper, and the hardware implementation of video codec based on ITU-T H. 261 is briefly discussed. Furthermore, the buffer control method and the adaptive control strategy for quantization are proposed, which are adaptive and robust. This system can be operated under the transmission rate ranging from 128kb/s to 2Mb/s. With these strategies for the videoconference system, the high quality image is obtained. The time delay of the system is about half a second.展开更多
Purpose: To present our videoconference system with medical information desktop sharing for radiation therapy and report initial experience using the system and its usefulness. Materials and Methods: A videoconference...Purpose: To present our videoconference system with medical information desktop sharing for radiation therapy and report initial experience using the system and its usefulness. Materials and Methods: A videoconference system for radiation therapy enables radiation oncologists sent to affiliated hospitals to consult a more experienced board-certified doctor at our institution while sharing the same display showing a patient’s information, radiology information system (RIS), and radiation therapy planning (RTP) system. We evaluated cases discussed in videoconferences to determine the influence of the system on treatment policies and radiation therapy plans. Results: From December 2012 to March 2013, treatment policies for 56 cases and radiation therapy plans for 50 cases were discussed in videoconferences. As for treatment policies, no change was made in treatment policy for 33 cases (59%), and minor and major changes were made for 16 (29%) cases and 7 (12%) cases, respectively. Radiation therapy plans for 50 cases were checked. No change was needed for 32 cases (64%), and minor and major changes were needed for 17 (34%) cases and 1 (2%) case, respectively. Conclusion: The videoconference system can be effective for improving the quality of radiation therapy.展开更多
Many coal enterprises have built the videoconference systems on their LAN （Local Area Network）. As the development of these enterprises, their organizations are distributed over our country and even over the world. ...Many coal enterprises have built the videoconference systems on their LAN （Local Area Network）. As the development of these enterprises, their organizations are distributed over our country and even over the world. Therefore, the videoconference systems have to run over WAN （Wide Area Network）. Normally, the structure of a videoconference system is center_division including MCU （multi control unit）and participants. No QoS and security assurance are available now because all videoconference system is based on TCP/IP. Therefore, the system stability is absolutely depended on the Network. This paper discussed how to anti ARP attacking. The method discussed in this paper is based on TCP/IP.展开更多
The United States Department of State funded a project focused on civic engagement. The participants were students and faculty at five universities in Pakistan and in the USA. The author is a representative from one o...The United States Department of State funded a project focused on civic engagement. The participants were students and faculty at five universities in Pakistan and in the USA. The author is a representative from one of the USA-based universities. In a fortnightly high-definition videoconference dialogue between students at University of Nebraska at Omaha and Quaid-i-Azam University in Islamabad, the goals of deepening understanding, challenging stereotypes and inspiring community change are being met. This paper will present the preliminary results of an ongoing assessment of how this project has resulted in meeting these goals and suggest what can be done in future projects that will better meet the goals. This will add to the emerging literature on civic engagement and conflict resolution by exploring use of cutting edge technology to build trust and understanding across the world＇s divide.展开更多
With the increase of bi-and multilingual proceedings,videoconference interpreting(VCI)has become common practice in many areas of national and cross-border criminal proceedings.However,the use of VCI has been impeded ...With the increase of bi-and multilingual proceedings,videoconference interpreting(VCI)has become common practice in many areas of national and cross-border criminal proceedings.However,the use of VCI has been impeded by some limits,such as no clear guidelines,lack of training,emotional issues,equipment limits,interaction impacts and inability to represent.Various measures thereby do need to be taken to improve VCI in guidelines,training,three-way interaction,technical support,and location of the defendant solicitor.Though basic practical problems can be addressed quickly,the combined complexities of it with both technological and linguistic-cultural mediation require further research.展开更多
Laparoscopy, minimally invasive and minimal access surgery with more surgeons performing these ad-vanced procedures. We highlight in the review several key emerging technologies such as the telementor-ing and virtual ...Laparoscopy, minimally invasive and minimal access surgery with more surgeons performing these ad-vanced procedures. We highlight in the review several key emerging technologies such as the telementor-ing and virtual reality simulators, that provide a solid ground for delivering surgical education to rural area and allow young surgeons a safety net and confidence while operating on a newly learned technique.展开更多
基金the High Technology Research and Development Programme of China
文摘The design and realization of a videoconference system based on international recommendation are introduced in this paper, and the hardware implementation of video codec based on ITU-T H. 261 is briefly discussed. Furthermore, the buffer control method and the adaptive control strategy for quantization are proposed, which are adaptive and robust. This system can be operated under the transmission rate ranging from 128kb/s to 2Mb/s. With these strategies for the videoconference system, the high quality image is obtained. The time delay of the system is about half a second.
文摘Purpose: To present our videoconference system with medical information desktop sharing for radiation therapy and report initial experience using the system and its usefulness. Materials and Methods: A videoconference system for radiation therapy enables radiation oncologists sent to affiliated hospitals to consult a more experienced board-certified doctor at our institution while sharing the same display showing a patient’s information, radiology information system (RIS), and radiation therapy planning (RTP) system. We evaluated cases discussed in videoconferences to determine the influence of the system on treatment policies and radiation therapy plans. Results: From December 2012 to March 2013, treatment policies for 56 cases and radiation therapy plans for 50 cases were discussed in videoconferences. As for treatment policies, no change was made in treatment policy for 33 cases (59%), and minor and major changes were made for 16 (29%) cases and 7 (12%) cases, respectively. Radiation therapy plans for 50 cases were checked. No change was needed for 32 cases (64%), and minor and major changes were needed for 17 (34%) cases and 1 (2%) case, respectively. Conclusion: The videoconference system can be effective for improving the quality of radiation therapy.
文摘Many coal enterprises have built the videoconference systems on their LAN （Local Area Network）. As the development of these enterprises, their organizations are distributed over our country and even over the world. Therefore, the videoconference systems have to run over WAN （Wide Area Network）. Normally, the structure of a videoconference system is center_division including MCU （multi control unit）and participants. No QoS and security assurance are available now because all videoconference system is based on TCP/IP. Therefore, the system stability is absolutely depended on the Network. This paper discussed how to anti ARP attacking. The method discussed in this paper is based on TCP/IP.
文摘The United States Department of State funded a project focused on civic engagement. The participants were students and faculty at five universities in Pakistan and in the USA. The author is a representative from one of the USA-based universities. In a fortnightly high-definition videoconference dialogue between students at University of Nebraska at Omaha and Quaid-i-Azam University in Islamabad, the goals of deepening understanding, challenging stereotypes and inspiring community change are being met. This paper will present the preliminary results of an ongoing assessment of how this project has resulted in meeting these goals and suggest what can be done in future projects that will better meet the goals. This will add to the emerging literature on civic engagement and conflict resolution by exploring use of cutting edge technology to build trust and understanding across the world＇s divide.
文摘With the increase of bi-and multilingual proceedings,videoconference interpreting(VCI)has become common practice in many areas of national and cross-border criminal proceedings.However,the use of VCI has been impeded by some limits,such as no clear guidelines,lack of training,emotional issues,equipment limits,interaction impacts and inability to represent.Various measures thereby do need to be taken to improve VCI in guidelines,training,three-way interaction,technical support,and location of the defendant solicitor.Though basic practical problems can be addressed quickly,the combined complexities of it with both technological and linguistic-cultural mediation require further research.
文摘Laparoscopy, minimally invasive and minimal access surgery with more surgeons performing these ad-vanced procedures. We highlight in the review several key emerging technologies such as the telementor-ing and virtual reality simulators, that provide a solid ground for delivering surgical education to rural area and allow young surgeons a safety net and confidence while operating on a newly learned technique.
