Imaging

The GigE Vision® Interface Standard: Transforming Medical Imaging

Live, high-resolution imaging is increasingly being leveraged to enhance operating procedures. It can improve the precision of physicians and their instruments, and minimize the invasiveness of many procedures. Increasingly, one small component in a vision system — the interfacing technology — is providing answers to the most common of these challenges.

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Imaging Sensor

OmniVision Technologies (Santa Clara, CA) offers the OV12830, a 12.7-megapixel CameraChip™ sensor designed to meet the image and video recording standards of smartphones and tablets. The OV12830 utilizes the OmniBSI- 2 pixel architecture to capture 1080p high definition (HD) video at 60 frames per second (FPS).

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GigE Vision Cameras

Teledyne DALSA (Billerica, MA) has expanded its Genie™ TS camera series with the addition of three color models that use CMOS imaging sensor technology. The Genie TS color cameras, which include 5M, 8M, and 12M models, reach speeds up to 29 fps.

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Digital High-Speed Cameras

Vision Research (Wayne, NJ) has added the v411 to its 1 Megapixel (Mpx)-v-Series line of digital high-speed cameras. The 4Gpx/s v411 has a top speed at full resolution of 4200 fps. V-Series cameras feature high-definition, widescreen 1280x800 CMOS sensors and have larger 20 micron pixels that allow shooting in low light.

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CCD Scientific Cameras

Photometrics (Tucson, AZ) has introduced CoolSNAP™ MYO and CoolSNAP™ KINO CCD cameras, which are designed to discern finer details in biological samples under lower light levels. The MYO, capable of cooling to 0°C, features a fan that can be disabled. The KINO is cooled to 20°C without a fan, making it suitable for sensitive applications where vibration is not tolerated. The cameras provide 2.8 megapixel imagery with 75% peak quantum efficiency. Additional features include 4.54 μm pixel pitch, a rate of 6.2 frames per second, and a USB 2.0 interface.

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Human-Machine Interface

The HMI5121P from Maple Systems (Everett, WA) is equipped with a bright 12.1" TFT touchscreen; up to 16.2 million colors can be shown on the 1024 × 768-pixel display. The model has a 800- MHz microprocessor, designed for graphic animation and heavy data processing.

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3D Visualization

Christie® (Cypress, CA) has added three Mirage M Series digital projectors: Mirage DS+14KM, Mirage HD14K-M, and Mirage WU14K-M. New Christie Twist™hardware provides built-in geometric warping with sharper imagery, and advanced edge-blending capabilities that reduce or eliminate electronic blending artifacts. The Mirage M series projectors consist of either SXGA+, HD, or WUXGA resolution, and now feature a range of 6,000 to 12,500 lumens.

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Infrared Camera

The IR-1000 near-infrared camera from Dage-MTI (Michigan City, IN) features automatic contrast and real-time edge enhancement. The realtime CCD camera includes electronics that automatically and instantaneously readjust when a scene changes. The user also has continuous access to the manual gain and may engage the camera’s black-level control to achieve specific grey-scale contrast.

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Mini-Sensor Measures Magnetic Activity in Human Brain

A recent study indicates that the technology may be used in magnetoencephalography (MEG), a noninvasive procedure that could advance the study of neurological diseases. A miniature atom-based magnetic sensor has passed an important research milestone by successfully measuring human brain activity. Experiments verified the sensor's potential for biomedical applications such as studying mental processes and advancing the understanding of neurological diseases.

Posted in: Bio-Medical, Imaging, Sensors, Medical, Patient Monitoring, Briefs, MDB

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Hands-Free Transcranial Color Doppler Probe

These probes enable full use of TCD technology for neurological diagnostics. Current transcranial color Doppler (TCD) transducer probes are bulky and difficult to move in tiny increments to search and optimize TCD signals. This invention provides miniature motions of a TCD transducer probe to optimize TCD signals.

Posted in: Bio-Medical, Imaging, Medical, Patient Monitoring, Briefs, TSP, MDB

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