ark-analysis 0.3.0

Toolbox for analysis on segmented images from MIBI

ark-analysis

Toolbox for analyzing multiplexed imaging data

Full documentation for the project can be found here

Info

This project contains code and example scripts for analyzing multiplexed imaging data

To install the project:

Open terminal and navigate to where you want the code stored.

Then input the command:

git clone https://github.com/angelolab/ark-analysis.git

Next, you'll need to set up the Docker image with all of the required dependencies:

• First, download Docker Desktop.
• Once it's sucessfully installed, make sure it is running by looking in toolbar for the Docker whale.
• Once it's running, enter the following commands into terminal

cd ark-analysis
docker pull angelolab/ark-analysis:latest

You've now installed the code base.

Whenever you want to run the scripts:

Enter the following command into terminal from the same directory you ran the above commands:

./start_docker.sh

This will generate a link to a jupyter notebook. Copy the last URL (the one with 127.0.0.1:8888 at the beginning) into your web browser.

Be sure to keep this terminal open. Do not exit the terminal or enter control-c until you are finished with the notebooks.

NOTE

If you already have a Jupyter session open when you run ./start_docker.sh, you will receive a couple additional prompts.

Copy the URL listed after Enter this URL instead to access the notebooks:

You will need to authenticate. Note the last URL (the one with 127.0.0.1:8888 at the beginning), copy the token that appears there (it will be after token= in the URL), paste it into the password prompt of the Jupyter notebook, and log in.

Using the example notebooks:

• The Segment_Image_Data notebook walks you through the appropriate steps to format your data, run the data through deepcell, extracts the counts for each marker in each cell, and creates a csv file with the normalized counts
• The spatial_analysis notebook contains code for performing cluster- and channel-based randomization, as well as neighborhood analysis.
• The example_visualization notebooks contains code for basic plotting functions and visualizations

Once you are finished

You can shut down the notebooks and close docker by entering control-c in the terminal window.

External Hard Drives and Google File Stream

To configure external hard drive (or google file stream) access, you will have to add this to Dockers file paths in the Preferences menu.

On Docker for macOS, this can be found in Preferences -> Resources -> File Sharing. Adding /Volumes will allow docker to see external drives

On Docker for Windows with the WSL2 backend, no paths need to be added. However, if using the Hyper-V backend, these paths will need to be added as in the macOS case.

Once the path is added, you can run:

bash start_docker.sh --external 'path/added/to/preferences'

or

bash start_docker.sh -e 'path/added/to/preferences'

to mount the drive into the virtual /data/external path inside the docker.

Updates

This project is still in development, and we are making frequent updates and improvements. If you want to update the version on your computer to have the latest changes, perform the following steps

First, get the latest version of the code

git pull

Check for Docker updates by running:

docker pull angelolab/ark-analysis:latest

Then, run the command below to update the Jupyter notebooks to the latest version

./start_docker.sh --update

or

./start_docker.sh -u

WARNING

If you didn't change the name of any of the notebooks within the scripts folder, they will be overwritten by the command above!

If you have made changes to these notebooks that you would like to keep (specific file paths, settings, custom routines, etc), rename them before updating!

For example, rename your existing copy of Segment_Image_Data.ipynb to Segment_Image_Data_old.ipynb. Then, after running the update command, a new version of Segment_Image_Data.ipynb will be created with the newest code, and your old copy will exist with the new name that you gave it.

After updating, you can copy over any important paths or modifications from the old notebooks into the new notebook

Running on Windows

Our repo runs best on Linux-based systems (including MacOS). If you need to run on Windows, please consult our Windows guide for additional instructions.

Questions?

If you run into trouble, please first refer to our FAQ. If that doesn't answer your question, you can open an issue. Before opening, please double check and see that someone else hasn't opened an issue for your question already.

Want to contribute?

If you would like to help make ark better, please take a look at our contributing guidelines.

Citation

Please cite our paper if you found our repo useful!

Greenwald, Miller et al. Whole-cell segmentation of tissue images with human-level performance using large-scale data annotation and deep learning