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Processing iSTAR Pulsar+ data in Immersive Studio

iSTAR Pulsar+ capture data that has been downloaded directly from the device to external drive can be processed in our Immersive Studio software for Windows.  This requires version 10.0.4 upwards, users with a previous version must upgrade to v10.0.4 to allow for the processing of iSTAR Pulsar+ data.

Immersive Studio System requirements

Minimum specification:

OS: Windows 10

Processor: Core i7

Memory: 16GB RAM

Available Storage Space: 256GB SSD

Immersive Studio Installation

  1. Browse to this location, download the .zip file to Windows machine
  2. Located the downloaded .zip file and extract the single .exe file from it
  3. Locate the extracted .exe file and double click it to run it
  4. Follow the instructions provided to install Immersive Studio in your preferred location

Immersive Studio requires some specific Microsoft .NET components in addition to the above requirements in order to run - during the installation process, the installer package will state if these are not present so that users may install them.

Processing data in Immersive Studio

Users should begin by launching the application, and in the initial menu screen selecting the option for "iSTAR Pulsar+, Data Formation":

In the main window that then appears, users must load the data that is to be processed - this can be done by either:

  1. Dragging and dropping the folder containing the data into the processing queue
  2. Clicking on the green box to the right of the "Input" field

All captures found within the specified folder will now be loaded to the processing queue:

Users may now click the "Process" button and Immersive Studio will begin processing all captures in the queue one by one:

Captures within the processing queue will move from "Waiting" to "Processing" to Finished":

Processed output will be within a newly created "Output" folder within each individual capture folder, and will consist of each processed frame in .png format, plus 1 GPS and 1 IMU data files:

Options

The default settings in Immersive Studio should be appropriate for any user to process their data straight away, however these can be configured per individual needs if required.  Here's an explanation on what each of these do:

Distance Spacing: By default, only images 4 meters apart are extracted from a capture and processed.  This option allows users to increase/decrease the spacing as desired. Example: If set to 8.00 images are processed every 8 meters apart.

Image Count Spacing: If set to 1, images are processed at 7fps. This option allows users to change the frame rate at which images are captured. Example: If set to 7, images are captured at 1fps.

Note: You can ONLY select either Distance Spacing or Image Count Spacing. If both are selected an error will occur. To set Distance spacing, leave Image Count Spacing at 1. To set Image Count Spacing, set Distance Spacing to 0.

Start Delay: The number of frames excluded from the start of the capture, these are normally unusable due to the device still finding an appropriate exposure value.  Default value is 35 frames.

JPEG Quality: Default is 80 giving a good balance of small file size with minimal compression artefacts. Set to lower number to reduce file size but compression artefacts will increase. Setting a higher number will increase file size with minimal reduction of compression artefacts.

Preview Video: Enabling this results in a 2K x 1K preview video of the capture being output alongside the individual frames for reviewing purposes.

Advanced Options

Create JPEG images: Default option, processed images are output in .jpg format.

Create PNG Images: Processed images are output in .png format.  Users may choose to output in both formats if desired.

Number of Threads: Dictates the number of processing threads dedicated to the image stitching. With systems having 32GB or more of memory, this can be increased to 4 which will reduce processing times.

Add Logo: Allows users to enable/disable the adding of a logo to the bottom of the imagery, and to specify a custom logo for this purpose.

Add Mirror Ball: When enabled, places a "mirror-ball" effect at the bottom of any processed imagery.  If both Logo and Mirror Ball are enabled then the logo will sit on top of the mirror ball.

Use Fast Stitch: This allows images to be processed without full blending. The time to process is reduced but the image quality is degraded.

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