imagin 2.1.1

Interactive viewer and analyzer for streamed images

Imagin. (Beta release).

Imagin is an interactive viewer and analyzer for streamed images and image files, built with Python, pyqtgraph, and SciPy.

Features

• Input sources:
  • file system
  • HTTP image URLs
  • EPICS Channel Access
  • EPICS PVAccess
  • USB cameras
• PNG is the default image format; other formats are also supported.
• Supports images with 16-bit or higher channel depth.
• Image orientation control and arbitrary rotation.
• Interactive zooming and panning.
• Contrast and color-map control.
• Region of interest (ROI) selection for image analysis.
• ROI partitioning.
• ROI projection plots.
• Isocurves, with the isocurve level used as the threshold for object detection.
• Fast, robust characterization of multiple objects using fitted ellipsoids.
• Optional Gaussian fitting in 1D or 2D for improved precision.
• De-speckling.
• Automatic background elimination using prominence filtering (de-base).
• Background subtraction using reference images.
• Interactive calibration from pixels to millimeters.
• Reference image slots for saving and restoring images.
• Extensible through user-supplied add-ons.
• Fast browsing and cleanup of image directories.
• Interactive Python console with access to image data, graphics objects, and the shell.

Presentation

Examples

python -m imagin -b file sample_images/*.jpg -t 100 -m 40
python -m imagin -b file ~/Pictures/*.png
python -m imagin -b pva image0:image

To start the image simulator for image0:image:

pip install epicsdev
python -m epicsdev.imagegen

The simulated EPICS camera can also be run from Docker:

https://hub.docker.com/r/klauer/simioc-docker

python3 setup_SimDetector.py
python3 -m imagin -b epics sim:det -m 16 -t 80