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Quick Start about Class Incremental Semantic Segmentation

Welcome to Ianvs! Ianvs aims to test the performance of distributed synergy AI solutions following recognized standards, in order to facilitate more efficient and effective development. This semantic segmentation scenario quick start guides you how to test your class incremental algorithm on Ianvs. You can reduce manual procedures to just a few steps so that you can build and start your distributed synergy AI solution development within minutes.

Before using Ianvs, you might want to have the device ready:

  • One machine is all you need, i.e., a laptop or a virtual machine is sufficient and a cluster is not necessary
  • 2 CPUs or more
  • 4GB+ free memory, depends on algorithm and simulation setting
  • 10GB+ free disk space
  • Internet connection for GitHub and pip, etc
  • Python 3.6+ installed

In this example, we are using the Linux platform with Python 3.8. If you are using Windows, most steps should still apply but a few like commands and package requirements might be different.

Step 1. Ianvs Preparation

First, we download the code of Ianvs. Assuming that we are using /ianvs as workspace, Ianvs can be cloned with Git as:

mkdir /ianvs
cd /ianvs # One might use another path preferred

mkdir project
cd project
git clone https://github.com/kubeedge/ianvs.git

Then, we install third-party dependencies for ianvs.

sudo apt-get update
sudo apt-get install libgl1-mesa-glx -y
python -m pip install --upgrade pip

cd ianvs 
python -m pip install ./examples/resources/third_party/*
python -m pip install -r requirements.txt

We are now ready to install Ianvs.

python setup.py install

Step 2. Dataset Preparation

Datasets and models can be large. To avoid over-size projects in the Github repository of Ianvs, the Ianvs code base does not include origin datasets. Then developers do not need to download non-necessary datasets for a quick start.

mkdir dataset
cd dataset
unzip mdil-ss.zip

The URL address of this dataset then should be filled in the configuration file testenv.yaml. In this quick start, we have done that for you and the interested readers can refer to testenv.yaml for more details.

Related algorithm is also ready in this quick start.

export PYTHONPATH=$PYTHONPATH:/ianvs/project/examples/robot-cityscapes-synthia/lifelong_learning_bench/semantic-segmentation/testalgorithms/erfnet/ERFNet

The URL address of this algorithm then should be filled in the configuration file algorithm.yaml. In this quick start, we have done that for you and the interested readers can refer to algorithm.yaml for more details.

Step 3. Ianvs Execution and Presentation

We are now ready to run the ianvs for benchmarking.

cd /ianvs/project
ianvs -f examples/robot-cityscapes-synthia/lifelong_learning_bench/semantic-segmentation/benchmarkingjob.yaml

Finally, the user can check the result of benchmarking on the console and also in the output path( e.g. /ianvs/project/ianvs-workspace/mdil-ss/lifelong_learning_bench) defined in the benchmarking config file ( e.g. benchmarkingjob.yaml). In this quick start, we have done all configurations for you and the interested readers can refer to benchmarkingJob.yaml for more details.

The final output might look like this:

rank algorithm Task_Avg_Acc BWT FWT paradigm basemodel task_definition task_allocation basemodel-learning_rate basemodel-epochs task_definition-origins task_allocation-origins time url
1 erfnet_lifelong_learning 0.027414088670437726 0.010395591126145793 0.002835451693721201 lifelonglearning BaseModel TaskDefinitionByDomain TaskAllocationByDomain 0.0001 1 ['Cityscapes', 'Synthia', 'Cloud-Robotics'] ['Cityscapes', 'Synthia', 'Cloud-Robotics'] 2023-09-26 20:13:21 ./ianvs-workspace/mdil-ss/lifelong_learning_bench/benchmarkingjob/erfnet_lifelong_learning/3a8c73ba-5c64-11ee-8ebd-b07b25dd6922

In addition, in the log displayed at the end of the test, you can see the accuracy of known and unknown tasks in each round, as shown in the table below (in the testing phase of round 3, all classes are seen).

Round Seen Class Accuracy Unseen Class Accuracy
1 0.176 0.0293
2 0.203 0.0265
3 0.311 0.0000

This ends the quick start experiment.

What is next

If any problems happen, the user can refer to the issue page on Github for help and are also welcome to raise any new issue.

Enjoy your journey on Ianvs!