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Pages: pp. 88

Abstract—This article features some of the latest advances in multimedia technology.

Keywords—medical imaging, 3D Web graphics, screen recorder, motion capture, graphics and multimedia, New Products

Medical imaging solution

Nvidia launched the Quadro 2000D graphics card, designed for use in professional medical-imaging environments to help improve the accuracy and timeliness of patient diagnosis. This card is the latest addition to the company's Quadro professional graphics line, built on the NVIDIA Fermi architecture. The Quadro 2000D provides diagnostic display capabilities and application performance that hospitals, clinics, and other diagnostic-imaging environments need to interpret and manage high-resolution patient imagery.

The Quadro 2000D features two dual-link, digital-video interface (DVI) connectors and delivers gray-scale accuracy and definition of images at resolutions up to 10 megapixels. The Quadro 2000D supports 10- and 12-bit gray scale to help reveal subtle tonal abnormalities in diagnostic images, along with industry-standard Dicom monitor calibration to maintain gray-scale consistency across monitors.

An additional feature of the Quadro 2000D is Nvidia mosaic display technology, which offers users the ability to span applications across multiple, high-resolution panels or projectors. Up to eight displays can be driven from a single workstation with multiple Quadro 2000D cards installed. Nvidia SLI multi-OS technology also works in conjunction with the Quadro 2000D for driving simultaneous Windows and/or Linux environments from the same workstation.

Using Nvidia 3D Vision and 3D Vision Pro stereoscopic 3D solutions, the Quadro 2000D enables immersive 3D perspectives.

The Quadro 2000D costs $599. It is designed for HP Z800, Z600, and Z400 workstations and can connect to third-party medical displays for use in hospitals, radiology rooms, and clinics. It's also available for the Dell Precision T7500, T5500, T3500, and R5400 workstations in the US through the Dell software and peripherals program.

For more information visit

Screen recorder update

NetPlay Software's Instant Demo Studio 8.0 is a Windows screen recorder that creates interactive movies for presentations, demonstrations, and training. Version 8.0 introduces a new Eventline Studio Editor that is designed to help users maintain multiple presentations.

Instant Demo Studio creates interactive screencasts in Adobe Flash format and supports callout text, hotspots, voice narration, and background sound. Interactive hotspots give the viewer control over the pace of the presentation.

Instant Demo Studio 8.0 has a new feature for multiple event-line editing. Event-line editing represents each frame not as a discrete fixed unit of time, but as a unique visual event in the video. This approach is suited to editing screencasts, which typically contain periods of little or no screen activity, particularly when something is explained via narration or callout text. Hence fewer frames are required to represent the video on the event line, making it easier to navigate to the important parts of the presentation while editing.

Multiple event-line editing allows for the management of several presentations within a single workspace. This feature enables cutting, copying, and pasting between projects. Exporting to Flash or AVI can be done from any event line. The editor can also be customized for both clip size and color, providing a work environment to suit the needs of the author.

Instant Demo Studio 8.0 runs under Windows 2000/XP/Vista/7. It's available at Multiuser licenses and a free trial version are available.


Figure    NetPlay Software's Instant Demo Studio Eventline Editor.

Accelerated 3D Web graphics

The Khronos Group released the final WebGL 1.0 specification to enable hardware-accelerated 3D graphics in HTML5 Web browsers without the need for plug-ins. WebGL defines a JavaScript binding to OpenGL ES 2.0 to allow 3D graphics within a browser on platforms that support OpenGL or OpenGL ES graphics APIs. WebGL has the support of silicon and browser vendors including Apple, Google, Mozilla, and Opera with multiple browsers shipping with WebGL implementations including Firefox 4.0, all channels of Google Chrome 9.0, an Opera preview build, and Apple Mac OS Safari nightly builds.

WebGL leverages the pervasive availability of OpenGL ES 2.0 graphics on almost all browser-capable desktop, mobile, and embedded platforms and the recent developments in Web technology including the increases in JavaScript performance. The ability for Web developers to directly access OpenGL-class graphics directly from JavaScript, and freely mix 3D with other HTML content, will support development in Web gaming, educational and training applications, and graphically rich user interfaces.

In addition to the WebGL specification, Khronos has created a comprehensive WebGL test suite that can be downloaded for free. Implementers of WebGL-capable browsers can run the test suite and upload their passing test results to designate their implementations as conformant to the WebGL specification. More details on WebGL conformance tests can be found at

In addition, Khronos announced the formation of the WebCL working group to explore defining a JavaScript binding to the Khronos OpenCL standard for heterogeneous parallel computing. WebCL is designed to harness GPU and multicore CPU parallel processing from a Web browser, enabling acceleration of applications such as image and video processing and advanced physics for WebGL games. Any company interested in participating in the definition of WebCL is invited to send a request for more information to

More information is available at http:/

Desktop motion capture

OptiTrack has released new motion capture tools called OptiTrack V120:Duo and V120:Trio.

Designed for desktop-friendly motion capture, the Duo and Trio offer multicamera, six degrees-of-freedom object tracking in a single, plug-and-play package. Each tracking system is self-contained and factory calibrated for out-of-the-box tracking.

Features include a free license of Tracking Tools motion-tracking software, compatibility with OptiTrack's Insight VCS virtual camera plug-ins, I/O options with a single cable for power and data transmission, the ability to stream or save motion-capture data, the option to do external sync I/O via the included I/O-X sync box for compatibility with shutter glasses and other hardware devices, and support for OEM integration via the Tracking Tools API.

The V120:Duo costs $1,499 and the V120:Trio costs $1,999. For more information visit


Figure    The OptiTrack V120:Duo and V120:Trio.

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