Edge Detection Algorithm For Enhancement of Linear Back Projection Tomographic Images

Authors

  • Jaysuman Pusppanathan Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mahdi Faramarzi Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Fazlul Rahman Yunus Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Nor Muzakkir Nor Ayob Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Ruzairi Abdul Rahim Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Fatin Aliah Phang Centre of Engineering Education (CEE), Universiti Teknologi Malaysia, 81300 UTM 81310 UTM Johor Bahru, Johor, Malaysia
  • Usman Ullah Sheikh Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Leow Pei Ling Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Khairul Hamimah Abas Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mohd Hafiz Fazalul Rahiman Tomography Imaging Research Group, School of Mechatronic Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia
  • Shafishuaza Sahlan Process Tomography Research Group (PROTOM), Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia

DOI:

https://doi.org/10.11113/jt.v69.3292

Keywords:

Process tomography, ultrasonic tomography, image reconstruction, edge detection, convolution, multiphase flow measurement

Abstract

Process tomography (PT) is a leading technique for multiphase flow measurement and flow monitoring systems in various fields. PT has the advantage of interpreting acquired measurement data and transforming it into visual tomographic images. The most common method of image reconstruction uses the linear back projection algorithm which often results in blurry images. This paper proposes an enhancement of the reconstructed images using an edge detection image processing technique to convolve with the original image. This filtering technique calculates approximation changes of the horizontal and vertical image derivatives, thus further enhancing image accuracy. Several ultrasonic tomography images were put into a simulation test to validate it. Hence, the image results are being assessed for its performance.

References

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Published

2014-07-20

Issue

Vol. 69 No. 8: Special Issue on Advanced Measurement and Sensor Applications

Section

Science and Engineering

License

Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.

How to Cite

Edge Detection Algorithm For Enhancement of Linear Back Projection Tomographic Images. (2014). Jurnal Teknologi, 69(8). https://doi.org/10.11113/jt.v69.3292