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首頁(yè)> 外文會(huì)議>International Technology, Education and Development Conference >(1815) LIVE SHARING OF MULTI-HEADER MICROSCOPE PATHOLOGY EDUCATION SESSIONS BETWEEN METROPOLITAN AND REGIONAL CENTRES
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(1815) LIVE SHARING OF MULTI-HEADER MICROSCOPE PATHOLOGY EDUCATION SESSIONS BETWEEN METROPOLITAN AND REGIONAL CENTRES

機(jī)譯：（1815）大都市和區(qū)域中心之間的多標(biāo)題顯微鏡病理學(xué)教育會(huì)議的實(shí)況分享

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Experiential learning occurs when junior pathologists are grouped around a multi-header microscope viewing and discussing slides with a senior experienced pathologist. The high educational value of such learning sessions in postgraduate pathology has been widely reported. Attempts have been made to share multi-header slide sessions and the embedded learning experience with distant sites using conventional video-conferencing. This process, however, is beset by problems such as variable bandwidth, limited availability of ports, cost of video conferencing equipment and the fact that hospital video conferencing equipment is generally not co-located with multi-header microscopes. In addition, uploading lag time, pixilation and distortions significantly impact on the visual input required to recognise morphological patterns pathognomonic of disease entities. We aimed to bypass conventional video conferencing by streaming moving microscope images and the associated discussion to a computer and then utilising a cloud based screen sharing system. In order to achieve this we connected an Infinity HD camera to the Olympus BX43 microscope and multiheader system used for teaching. However, the InfinityHD camera produces live video stream in the HDMI output from the camera and is suitable for TV, not computer connection. We therefore connected an Elgato game capture HD device to convert the HDMI signal and transmit video to a desktop computer (with the required power to drive the camera). Using this system with H.264 encoding we can capture excellent HD quality while keeping the file size low. Supported resolution is 1080p (simultaneous 60 fps pass-through and 30 fps capture). The operating pathologist can view the slide both down the microscope, on a TV screen and on the computer monitor. Screen sharing via GoToMeeting, WebEx, or similar makes it possible to transmit education sessions to participating sites. In order to maximise the visual signal we separated audio from the moving images and transmitted the sound via a telephone connection. This low cost system enabled both viewing of high resolution lag free images and clear synchronous sound in diverse locations. Discussions about slide features are immediate and as interactive as the facilitator and participants desire. The ability to share cursor control with participating individuals supports legitimate participation. Entire sessions can be recorded for asynchronous viewing and for record purposes. File sizes are significantly smaller those generated using virtual microscopy and have the benefit of directed commentary. This system has proved to be robust and has expanded teaching collaborations between different pathologists and locations.
機(jī)譯：當(dāng)初級(jí)病理學(xué)家圍繞多標(biāo)題顯微鏡觀察和討論具有高級(jí)經(jīng)驗(yàn)豐富的病理學(xué)家的幻燈片進(jìn)行分組時(shí)，會(huì)發(fā)生體驗(yàn)性學(xué)習(xí)。人們普遍報(bào)道了研究生病理學(xué)此類學(xué)習(xí)會(huì)議的高等教育價(jià)值。已經(jīng)嘗試共享多標(biāo)題幻燈片會(huì)話和使用傳統(tǒng)視頻會(huì)議的遙控站點(diǎn)的嵌入式學(xué)習(xí)體驗(yàn)。然而，這種過(guò)程是由于變量帶寬，港口的有限可用性，視頻會(huì)議設(shè)備的有限，以及醫(yī)院視頻會(huì)議設(shè)備通常不與多標(biāo)題顯微鏡共同定位的問(wèn)題而困擾。此外，上傳滯后時(shí)間，像素和扭曲顯著影響識(shí)別疾病實(shí)體的形態(tài)學(xué)模式所需的視覺(jué)輸入。我們旨在通過(guò)將移動(dòng)顯微鏡圖像和相關(guān)的討論流傳輸?shù)接?jì)算機(jī)，然后利用基于云的屏幕共享系統(tǒng)來(lái)繞過(guò)傳統(tǒng)的視頻會(huì)議。為了實(shí)現(xiàn)這一目標(biāo)，我們將無(wú)限高清攝像機(jī)連接到Olympus BX43顯微鏡和用于教學(xué)的Multiheader系統(tǒng)。但是，Infinityhd攝像機(jī)在攝像機(jī)的HDMI輸出中產(chǎn)生實(shí)時(shí)視頻流，適用于電視，而不是計(jì)算機(jī)連接。因此，我們連接了ELGATO游戲捕獲高清設(shè)備以將HDMI信號(hào)轉(zhuǎn)換為桌面計(jì)算機(jī)（具有驅(qū)動(dòng)攝像機(jī)所需的電源）。使用該系統(tǒng)使用H.264編碼，我們可以在保持文件大小的同時(shí)捕獲出色的高清質(zhì)量。支持的分辨率為1080p（同時(shí)60 fps通過(guò)和30 fps捕獲）。操作病理學(xué)家可以將顯微鏡和電腦顯示器上的顯微鏡視圖上的滑塊查看。通過(guò)GotoMeeting，WebEx或類似屏幕共享使得可以將教育會(huì)話傳輸?shù)絽⑴c網(wǎng)站。為了最大化從運(yùn)動(dòng)圖像分離音頻并通過(guò)電話連接傳輸聲音的視覺(jué)信號(hào)。這種低成本系統(tǒng)使能高分辨率滯后圖像和不同位置的清晰同步聲音。關(guān)于幻燈片功能的討論是即時(shí)的，作為促進(jìn)者和參與者的互動(dòng)。與參與個(gè)人共享游標(biāo)控制的能力支持合法參與?？梢杂涗浾麄€(gè)會(huì)話以用于異步查看和記錄目的。使用虛擬顯微鏡生成的文件大小明顯較小，并具有定向評(píng)論的好處。該系統(tǒng)已被證明是強(qiáng)大的，并在不同的病理學(xué)家和地點(diǎn)之間擴(kuò)展了教學(xué)合作。

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