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Measurements with PCC

High-speed motion analysis has been a primary tool to measure moving objects by the defense, scientific, and industrial communities for years. Using the 2-D motion analysis tools incorporated in our PCC (Phantom Camera Control) software essentially turns your Phantom camera into an extremely effective test instrument.

Vision Research understands that any motion analysis tool must be easy to use, without sacrificing the ability to extract and quantify motion from a file. With our measurement features, the end-user can easily perform; coordinate, distance, velocity, angels and angular speed measurements, along with the ability to track multiple points or objects to compute their speed or acceleration. These measurement tools provide a motion analysis system that harmonizes measured data with images.

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Image-Based Auto-Trigger

Image-Based Auto-Trigger is an innovative feature that allows the user to trigger the camera from the motion detected in the live image. The camera may also provide an external trigger signal based on the Image-Based Auto-Trigger to be used for synchronizing multiple Phantom cameras.

The Image-Based Auto Trigger feature may be available via an on-camera user interface, Phantom application software, or 3rd party software using camera control protocols.

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Auto Shutter / Auto BlackReference

The use of an internal mechanical shutter has become one of the most popular features on our newest Phantom camera models. This Automatic Mechanical Shutter feature automatically shades the sensor during a Current Session Reference (CSR). This allows the camera operator to do a CSR without manually capping the lens. Because of the overwhelming popularity of this feature, it can
also be used with our existing line of v-Series cameras, (the Phantom v5.2, v7.3, v9.1, and v10), with the use of an optional external mechanical shutter.

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Image Search

The goal is to find an image change in the recording, based on the difference between image content, triggered by the change of a certain percentage of the pixels. A pixel is considered changed if its value in the current image is different
from the value in the reference image by an amount called threshold. This allows the search to tolerate a certain amount of image noise.

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MultiCine

The MultiCine feature allows the end-user to:

• Specify the number of memory segments, or partitions, a camera’s DRAM or attached Phantom CineMag’s memory will be evenly divided into.
• Define a unique configuration profile for each of the memory segments.
• Select which memory segment to capture or record image data into.
• Delete the recorded cine, (image data), stored in a specific memory segment, without deleting recorded image data in any of the other memory segments, to free up that memory to perform another capture

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Range Data

Applications that benefit most from Range Data include:

• Missile and spacecraft launches
• Outdoor ranges
• Ballistics
• Any application where object tracking is required

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Burst Mode Acquisition

The Burst Mode Acquisition feature, designed for use in PIV (Particle Imaging Velocimetry), combustion, or other applications where precise and repeatable frame acquisition is required, has been introduced on selected Phantom v-Series cameras.

A Phantom camera using the Burst Mode Acquisition feature will capture a programmable number of frames for each f-sync pulse, (in both internal and external sync modes). The interval between the frames in a burst can be set independently of the sample rate (frame rate).

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Continuous Recording

The Continuous Recording feature can be used to save cines stored in a Phantom camera’s memory buffer to an external storage device, or on the Phantom Control Unit computer automatically. Continuous Recording can be used to record cine files automatically without any user intervention by providing a “hard” or “soft” trigger to the camera. The camera can record a cine, trim and save it to a hard drive and immediately put the camera back into the capture mode readying it for the next trigger, where the cycle will begin again until it is stopped by the user.

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EDR - Extreme Dynamic Range

EDR is especially effective where “hot spots” do or potentially, exist. By selecting an EDR exposure time that is one-half to one-quarter of the global exposure time, the user can reduce the number of saturated pixels within the scene. This allows the user to extract data from an area where otherwise, the data are lost due to over exposure. The surrounding pixels remain unaffected and are exposed normally. Traditionally, users had to choose between exposing for the bright areas and under exposing the rest of the scene, or exposing for the overall scene and sacrificing the data in the overexposed areas. With EDR, a good exposure is possible for both simultaneously within the frame.

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Frame Rate Profile

Frame Rate Profile allows the user to define up to 5 different sample rates that automatically change, at user specified points, during the capturing process of post trigger frames. For example, the liftoff of a rocket might require a very high recording speed, then less speed as it rises, but then again, a higher speed during the first stage separation. This function also helps extend recording time and helps keep file sizes as small as possible. The Frame Rate Profile feature is not available with all Phantom cameras.

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Firmware Ordered Recording & No GUI Refresh

The ability to Continuously Record events that occur in short burst, such as lightening strikes, to a Phantom camera with MultiCine partitions defined has been greatly enhanced with the addition of the Firmware Ordered Recording and Minimal GUI Refresh features, by significantly increasing the speed at which these events can be recorded and saved to a user-specified hard-drive.

The Firmware Ordered Recording feature reduces the time between takes by instructing a Phantom camera to erase a MultiCine segment upon the completion of saving its stored image data to a specified hard-drive then making it available for recording again.

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