backend/processing/segmenter: Support running the segmenter separately on a local computer about planktoscope HOT 6 OPEN

Hi Ethan, thanks ao much for the thorough answers, just got back from sea and am eager to try. I work on a Mac so that will broaden OS tested on. I'll let you know how I get on. In the meantime I've uploaded first test sample data to ECOTAXA and have lots more to ask about, i'll prepare these queries on a separate thread.
M

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Hi! This is something I am working on, and it is now possible to run the segmenter on any computer as a Docker container (with the container image ghcr.io/Planktoscope/device-backend-processing-segmenter). The segmenter still requires an MQTT broker such as mosquitto, and for now the Node-RED dashboard is the only user interface for the segmenter - so my next step is to package the Node-RED dashboard as a container image to run on non-Raspberry Pi computers. Afterwards, then I will be able to provide a few commands for you to run to bring up everything needed to run the segmenter on another computer.

If you require a workaround before I finish the work described above (which will take a while to complete), some alternative options are listed in the comments under #163 . You can also access the segmenter's source code at https://github.com/PlanktoScope/device-backend/tree/main/processing/segmenter

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Update: I've put together a prototype of a simple set of commands for bringing up the segmenter on a separate computer, along with everything needed to interact with the segmenter from your web browser, at https://github.com/PlanktoScope/pallet-segmenter . It works on my computer (and I found that segmentation is very fast there!). Before it'll be ready for more general usage, I will wait for more people to test it out and provide feedback (both on whether everything works as expected, and on the quality of the usage instructions, and on how easy it is to use) - so for anyone who's interested, please test it out! Note that I've tested it on Linux, but not on macOS or Windows, so things might need to be fixed on the two latter platforms.

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Great! For any questions you have or anything which is unclear (e.g. due to inadequate documentation), please feel free to create one or more posts in https://github.com/PlanktoScope/PlanktoScope/discussions/new?category=help-support

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Update: I've also created a separate issue (#378) to track some work I plan to do eventually for making it simpler to just run the segmenter as a batch-processing routine on a specified list of datasets from the command-line (rather than having to go through a Node-RED dashboard).

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As discussed in the 2024-04-11 software meeting (in a discussion about designing the next version of the PlanktoScope's MQTT API), we decided that we will try to make it possible to import the segmenter as a Python library for use in a Jupyter notebook.

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