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A large-image collection explorer and fast classification tool

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IMAX: Interactive Multi-image Analysis eXplorer

This is an interactive tool for visualize and classify multiple images at a time. It written in Python and Javascript. It is based on Leaflet and it reads the images from a single directory and there is no need for multiple resolutions folders as images are scaled dynamically when zooming in/out. It runs an asyncio server in the back end and supports up 10,000 images reasonable well. It can load more images but it will slower. It runs using multiple cores and has been tested with over 50K images.

You can move and label images all from the keyboard.

You can see a (not very good) gif demo ot the tool in action, or a better video is here

Demo

Deployment

Simple deployment

Create Conda Environment:

conda create -n imax python=3
conda activate imax

Install Cairo Library

conda install -c conda-forge cairosvg

Clone this repository:

	git clone https://github.com/mgckind/imax.git
	cd imax/
pip install -r requirements.txt

Create a config file template:

	./imax-run create-config

Edit the config.yaml file to have the correct parameters, see Configuration for more info.

Create fake images to test,

./imax-run create-fake-images -n 1200 -f images -m inferno

Start the server:

   ./imax-run server

Start the client and visit the url printed python_server:

   ./imax-run client

If you are running locally you can go to http://localhost:8000/

Docker (Needs revision)

  1. Create image from Dockerfile

     cd imax
     docker build -t imax .
    
  2. Create an internal network so server/client can talk through the internal network (is not need for now as we are exposing both services at the localhost)

     docker network create --driver bridge imaxnet
    
  3. Create local config file to be mounted inside the containers. Create config.yaml based on the template, and replace the image location.

  4. Start the server container and attach the volume with images, connect to network and expose port 8888 to localhost

        docker run -d --name server -p 8888:8888 -v {PATH TO CONFIG FILE}:/home/explorer/server/config.yaml -v {PATH TO LOCAL IMAGES}:{PATH TO CONTAINER IMAGES} --network imaxnet imax python server.py
    
  5. Start the client container, connect to network and expose the port 8000 to local host

        docker run -d --name client -p 8000:8000 -v {PATH TO CONFIG FILE}:/home/explorer/server/config.yaml  --network imaxnet imax python client.py
    

Now the containers can talk at the localhost. If you are running locally you can go to http://localhost:8000/

Usage

This is the Help window displayed


Help


-> Fullscreen
-> Invert colors
/ -> Toggle On/Off classified tiles.
First time it reads from DB.

-> Random. Show a new random subsample (if available data is larger)
-> Apply filter to the displayed data.
Use the checkboxes on the left bottom side. -1 means no classified.
-> Reset filters and view. Do not display deleted images.

Move around with mouse and keyboard , use the mouse wheel to zoom in/out and double click to focus on one image.

Keyboard

Use "w","a","s","d" to move the selected tile and the keyboard numbers to apply a class as defined in the configuration file
Use "+", "-" to zoom in/out
Use "c" to clear any class selection
Use "t" to toggle on/off the classes
Use "h" to toggle on/off the Help
Use "f" to toggle on/off Full screen
Defined classes will appear at the bottom right side of the map

Configuration

This is the template config file to use:

#### DATABASE
db:
  dbpath: '{FILL ME}' # Path to sqlite files
  merge: false
#### DISPLAY
display:
  path: '{FILL ME}' # Path to images
  nimages: 1200 #Number of objects to be displayed even if there are more in the folder
  xdim: 40 #X dimension for the display
  ydim: 30 #Y dimension for the display
  tileSize: 256 #Size of the tile for which images are resized at max zoom level
  minXrange: 0
  minYrange: 0
  deltaZoom: 5 #default == 5
  min-width: 500
  max-width: 1400
  min-height: 500
  max-height: 1000
#### SERVER
server:
  ssl: false #use ssl, need to have certificates
  sslName: test #prefix of .crt and .key files inside ssl/ folder e.g., ssl/{sslName.key}
  host: 'http://localhost' #if using ssl, change to https
  port: 8888
  rootUrl: '/' #root url for server, e.g. request are made to /cexp/, if None use "/"
  #workers: None # None will default to the workers in the machine
#### CLIENT
client:
  host: 'http://localhost'
  port: 8000
#### OPERATIONS options
operation:
  updates: false #allows to update and/or remove classes to images, false and classes are fixed.
  help: true
  fullscreen: true
  invert: true
  toggle-classes: true
  random: true
  filter: true
  reset: true
  search: true
#### CLASSES
#### classes, use any classes from 0 to 9, class 0 is for hidden! class -1 is no class
classes:
    - Test: 5

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A large-image collection explorer and fast classification tool

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