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ecg-image-digitizer

ecg-image-digitizer

Software tools for ECG image processing and digitization

Python

Functions

File Description
ROI ECG lead detection with YOLOv7

MATLAB

Functions

File Description
ecg_grid_size_from_paper.m ECG grid size estimate from paper size and image width
ecg_gridest_margdist.m ECG grid size estimation - marginal image intensity approach
ecg_gridest_spectral.m ECG grid size estimation - spectral approach
ecg_gridest_matchedfilt.m ECG grid size estimation - matched filter-based approach
image_to_sequence.m Extract time-series from an ECG segment
tanh_sat.m Saturate signal/image intensity with a tanh function

Test scripts

File Description
test_ecg_grid_size_estimator.m A test script for running and comparing the grid size estimation methods
test_ecg_sequence_extraction.m A test script for time-series extraction from an image segment

Citation

Please include references to the following articles in any publications:

  1. Kshama Kodthalu Shivashankara, Deepanshi, Afagh Mehri Shervedani, Matthew A. Reyna, Gari D. Clifford, Reza Sameni (2024). ECG-image-kit: a synthetic image generation toolbox to facilitate deep learning-based electrocardiogram digitization. In Physiological Measurement. IOP Publishing. doi: 10.1088/1361-6579/ad4954

  2. ECG-Image-Kit: A Toolkit for Synthesis, Analysis, and Digitization of Electrocardiogram Images, (2024). URL: https://github.com/alphanumericslab/ecg-image-kit

Contributors

  • Deepanshi, Department of Biomedical Informatics, Emory University, GA, US
  • Kshama Kodthalu Shivashankara, School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, US
  • Matthew A Reyna, Department of Biomedical Informatics, Emory University, GA, US
  • Gari D Clifford, Department of Biomedical Informatics and Biomedical Engineering, Emory University and Georgia Tech, GA, US
  • Reza Sameni (contact person), Department of Biomedical Informatics and Biomedical Engineering, Emory University and Georgia Tech, GA, US

Contact

Please direct any inquiries, bug reports or requests for joining the team to: ecg-image-kit@dbmi.emory.edu.

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