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Camera System – High Frame Rate

Advanced Camera System

Synchronize video and physiological data

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Camera System - High Frame Rate
Part #: CAM-HFR-A

Tightly synchronize high frame rate video—up to 100 FPS—with physiological data recorded with a BIOPAC Research System

Use the High Frame Rate Camera System to capture precise movement activity as a series of video frames (640×480 resolution) in conjunction with other recorded physiological variables.

With CAM-HFR-A and AcqKnowledge media tools, it’s possible to obtain synchronization within 1 video frame (10 ms) between physiological data and video data, running at a rate of 100 frames per second, up to the computer’s memory capacity. This very high performance video recording option incorporates automatic synchronizing between the video data and the physiological data, so no external synchronization marker is required. Furthermore, the high speed camera in CAM-HFR-A can be controlled from AcqKnowledge for exposure times as short as 1 ms, running at 100 frames per second. This combination of high frame rate, automatic synchronization, and precise control over camera exposure times results in the ability to precisely characterize physical activity in relation to simultaneously recorded physiological data, such as EMG, Acceleration, Goniometry, Respiration, and more.

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Precise exposure control

Exposure times as short as 1 ms, running at 100 frames per second

Incorporates automatic synchronizing

No external synch marker required

Tightly synch data & video

Synchronize physiological data and video data within 1 video frame (10 ms)

BIOPAC data acquisition
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Part #: CAM-HFR-A
Categories: Video Monitoring Systems - Research
Subcategories: High Frame Rate Synchronization - Research

Details

Compatibility


Perform tightly synchronized capture between measured physiological data and associated video data

Media functionality allows users to capture and playback video and synchronize it with physiological information from an MP device. The key functionality is the strong link between the video and data cursor when physiological data graphs and associated video are reviewed in post-acquisition mode; changing the selection in the graph window will automatically jump the video to the time corresponding to the cursor position in the physiological data graph. The reverse connection is also in place where scrolling through the video will move the data cursor to the corresponding point in the physiological data graph.

AcqKnowledge setup tools for high frame rate cameras
AcqKnowledge 4.3.1 and above automatically recognizes the HFR camera and simplifies setup for tight synchronization

The data streams from the video digitizer and the MP unit are automatically synchronized. In this manner—there is no requirement that the user create a visible synchronization marker to align physiological data with video. The combined CAM-HFR-A and AcqKnowledge System is very simple to use!

The video capture field is a function of the lens placed on the high-speed camera. CAM-HFR-A includes a high-quality Navitar lens, suitable for nearly all sports science and exercise physiology applications. The provided C-mount lens will permit a 1.8 meter high x 2.4 meter wide field of view at a camera distance of 2.5 meters. To perform close-up videos of heads, hands or feet, simply pull the camera in towards the subject. To capture movement of many subjects at once, just pull the camera away from the subjects. For other measurements, as when videoing a distant subject or performing an extreme close-up, simply switch out the provided lens for the appropriate C-mount lens.

The camera iris control can be adjusted to accommodate a range of ambient lighting conditions. Furthermore, the camera exposure time can be controlled from the AcqKnowledge software to allow for the sharpest imaging possible under fast subject movement conditions. When using short exposure times, video frames will hold very crisp images to allow for precise identification of subject position as a function of simultaneously collected physiological data.

System Components

This camera system includes a high frame rate GigE camera with 6 mm lens, GigE Network Interface card, standard tripod (54″), mini-tripod (6.25″), and power & cables to complete setup. Requires Windows-based computer and AcqKnowledge 4.3.1 or above for Windows to support GigE camera; does not require auxillary synchronization methods.

System Requirements

Computer

Core i7 Quad-core or Xeon E3/E5 processor with high performance disk system with greater than 125MB/sec sequential write speed. RAID0/RAID10 with enterprise grade RAID edition hard disks or Non-RAID 10K rpm like VelociRaptor® or faster, such as Seagate Cheetah at 15k rpm; Windows AcqKnowledge 4.3.1 or above; provided GigE Network Interface Card (use the provided card to insure stable 100 FPS frame rate).

Mimimum: Core 2 Duo processor, 2.13 GHz; 4 GB DDR2 memory; SAS/SATA III, 6 GB/s, 7200 RPM > 90 MB/s sequential write speed; Windows AcqKnowledge 4.3.1 or above; provided GigE Network Interface Card (use the provided card to insure stable 100 FPS frame rate).

Trigger (optional setup)

CAM-HFR-A is mains powered equipment. If there are no electrical connections to the subject (e.g., physiological recordings only from BioNomadix or other wireless system), a CBL122 adapter may be used for the triggering cable to an MP160 Research System. If wired biopotentials are being recorded from a subject (e.g., ECG100C, TSD123, etc.), an OUTISO should be used with the HLT100C in an MP Research System for the triggering cable.

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