One-Dimensional Signal Extraction Of Paper-Written ECG Image And Its Archiving

Zhi-ni Zhang; Hong Zhang; Tian-ge Zhuang

doi:10.1117/12.976534

13 October 1987 One-Dimensional Signal Extraction Of Paper-Written ECG Image And Its Archiving

Zhi-ni Zhang, Hong Zhang, Tian-ge Zhuang

Proceedings Volume 0845, Visual Communications and Image Processing II; (1987) https://doi.org/10.1117/12.976534
Event: Cambridge Symposium on Optics in Medicine and Visual Image Processing, 1987, San Diego, CA, United States

Abstract

A method for converting paper-written electrocardiograms to one dimensional (1-D) signals for archival storage on floppy disk is presented here. Appropriate image processing techniques were employed to remove the back-ground noise inherent to ECG recorder charts and to reconstruct the ECG waveform. The entire process consists of (1) digitization of paper-written ECGs with an image processing system via a TV camera; (2) image preprocessing, including histogram filtering and binary image generation; (3) ECG feature extraction and ECG wave tracing, and (4) transmission of the processed ECG data to IBM-PC compatible floppy disks for storage and retrieval. The algorithms employed here may also be used in the recognition of paper-written EEG or EMG and may be useful in robotic vision.

Citation Download Citation

Zhi-ni Zhang, Hong Zhang, and Tian-ge Zhuang "One-Dimensional Signal Extraction Of Paper-Written ECG Image And Its Archiving", Proc. SPIE 0845, Visual Communications and Image Processing II, (13 October 1987); https://doi.org/10.1117/12.976534

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