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ML_IDCard_Segmentation (Pytorch) - WIP

Machine Learning Project to identify an ID Card on an image.

Objectives

The goal of this project is to recognize a ID Card on a photo, cut it out using semantic segmentation and to transform the perspective so that you get a frontal view of the ID Card.

Additional Information

Dataset: MIDV-500
Pytorch Version: 1.7.1 CUDA 11.2

Trained on a NVIDIA GeForce RTX 3090

Installation

  1. Create and activate a new environment.
conda create -n idcard python=3.9.1
source activate idcard
  1. Install Dependencies.
pip install -r requirements.txt

Download and Prepare Dataset

Download the image files (image and ground_truth).
Splits the data into training, test and validation data.

python prepare_dataset.py

Training of the neural network

python train.py --resumeTraining=True

resumeTraining is optional an resumes training on an existing ./pretrained/model_checkpoint.pt

Test the trained model

python test.py test/sample1.png --output_mask=test/output_mask.png --output_prediction=test/output_pred.png --model=./pretrained/model_final.pt

Call python test.py --help for possible arguments.

Additional commands

Starts Tensorboard Visualisation.

tensorboard --logdir=logs/

Background Information

Model

A U-NET was used as the model. U-Net is a convolutional neural network that was developed for biomedical image segmentation at the Computer Science Department of the University of Freiburg, Germany. The network is based on the fully convolutional networkand its architecture was modified and extended to work with fewer training images and to yield more precise segmentations. Segmentation of a 512*512 image takes less than a second on a modern GPU.

IoU

Metrics

The Metric IoU (Intersection over Unit / Jaccard-Coefficient) was used to measure the quality of the model. The closer the Jaccard coefficient is to 1, the greater the similarity of the quantities. The minimum value of the Jaccard coefficient is 0.
IoU

Example:
IoU

Results for validation set (trained on the complete dataset)

Intersection over Unit:
0.9939

Pipeline Example:
Pipeline