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Comparative Study of Three Image Enhancement Techniques for Geospatial Data

Received: 28 April 2019     Accepted: 4 June 2019     Published: 2 July 2019
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Abstract

Processing images for Geomatic works is one of the most difficult techniques. The image enhancement algorithms have direct effect on the quality of images. It is normally done to improve visual appearance and provide a better technique for future automated image processing. Sources of mages include satellite, photography and aerial photogrammetry that are used for geospatial data processing. These images suffer from poor contrast and noise. To use these images effectively, there is the need to enhance the contrast and remove the noise from the image to increase its quality. There are different techniques for image enhancement but this study focused on image interpolation. This multi-resolution technique is useful for variety of fields where fine and minor details are important. In this research, the Nearest Neighbor, Bilinear and Bicubic image interpolation algorithm were compared. Using the aforementioned techniques, two images were enhanced in order to compare their strengths and processing speed. The results of the algorithm of Nearest Neighbor had low computational time, low complexity of algorithm and poor image quality. On the other hand, the algorithms of Bilinear and Bicubic had average and high computational time, average and high complexity of algorithm and average and good image quality respectively.

Published in American Journal of Mathematical and Computer Modelling (Volume 4, Issue 2)
DOI 10.11648/j.ajmcm.20190402.13
Page(s) 45-51
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Image Enhancement, Interpolation Algorithm, Geospatial

References
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[2] Thilina S. (2014), “Digital Image Zooming”, www.thilinasameera.wordpress.com. Accessed: March 04, 2018.
[3] Maini, R. and Aggarwal, H. (2010), “A Comprehensive Review of Image Enhancement Techniques”, Journal of Computing, Vol. 2, Issue 3, pp. 8-13.
[4] Huijian, H., Changjin, L. and Jiefei, F. (2012), “The Non-Uniform B-Spline Interpolation Image Enlargement Algorithm”, Journal of Computational and Theoretical Nanoscience, 7 (1), 277-280.
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[7] L. Khriji, M. Gabbouj, Directional-vector rational filters for color image interpolation Proceedings of the Tenth International Conference on Microelectronics (1998), pp. 236–240.
[8] Jiefei, F. and Han Huijian. H. (2010),”Image enlargement based on non-uniform B-spline interpolation algorithm”. Journal of Computer Applications, Vol. 30, Issue 1, pp. 82-84.
[9] Bedi, S. and Khandelwal, R. (2013), “Various Image Enhancement Techniques - A Critical Review”, International Journal of Advanced Research in Computer and Communication Engineering, Vol. 2, pp. 55-67.
[10] Carlson, B. (2012), “Image Interpolation and Filtering”, IEEE Trans on ASSP, Vol. 6, pp. 32-45.
[11] Kassab A. (2012), “Image Enhancement Methods and Implementation in Matlab”, MSc Project, Zapadoceska Univerzita V Plzni, 55pp.
[12] C. Lee, B. Zeng, A novel interpolation scheme for rectangularly subsampled images, International Conference on Image Processing 3 (1999) 787–791.
[13] B. Zeng, M. S. Fu, C. C. Chuang, New interleaved hierarchical interpolation with median-based interpolators for progressive image transmission, Signal Processing 81 (2001) 431–438.
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[16] Maeland E. and Gupta S. (2012), “On the Comparison of Interpolation Methods”, IEEE Transactions on Medical Imaging, Vol. 7, No. 6, pp. 213-217.
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  • APA Style

    Peter Ekow Baffoe. (2019). Comparative Study of Three Image Enhancement Techniques for Geospatial Data. American Journal of Mathematical and Computer Modelling, 4(2), 45-51. https://doi.org/10.11648/j.ajmcm.20190402.13

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    ACS Style

    Peter Ekow Baffoe. Comparative Study of Three Image Enhancement Techniques for Geospatial Data. Am. J. Math. Comput. Model. 2019, 4(2), 45-51. doi: 10.11648/j.ajmcm.20190402.13

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    AMA Style

    Peter Ekow Baffoe. Comparative Study of Three Image Enhancement Techniques for Geospatial Data. Am J Math Comput Model. 2019;4(2):45-51. doi: 10.11648/j.ajmcm.20190402.13

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  • @article{10.11648/j.ajmcm.20190402.13,
      author = {Peter Ekow Baffoe},
      title = {Comparative Study of Three Image Enhancement Techniques for Geospatial Data},
      journal = {American Journal of Mathematical and Computer Modelling},
      volume = {4},
      number = {2},
      pages = {45-51},
      doi = {10.11648/j.ajmcm.20190402.13},
      url = {https://doi.org/10.11648/j.ajmcm.20190402.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmcm.20190402.13},
      abstract = {Processing images for Geomatic works is one of the most difficult techniques. The image enhancement algorithms have direct effect on the quality of images. It is normally done to improve visual appearance and provide a better technique for future automated image processing. Sources of mages include satellite, photography and aerial photogrammetry that are used for geospatial data processing. These images suffer from poor contrast and noise. To use these images effectively, there is the need to enhance the contrast and remove the noise from the image to increase its quality. There are different techniques for image enhancement but this study focused on image interpolation. This multi-resolution technique is useful for variety of fields where fine and minor details are important. In this research, the Nearest Neighbor, Bilinear and Bicubic image interpolation algorithm were compared. Using the aforementioned techniques, two images were enhanced in order to compare their strengths and processing speed. The results of the algorithm of Nearest Neighbor had low computational time, low complexity of algorithm and poor image quality. On the other hand, the algorithms of Bilinear and Bicubic had average and high computational time, average and high complexity of algorithm and average and good image quality respectively.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Comparative Study of Three Image Enhancement Techniques for Geospatial Data
    AU  - Peter Ekow Baffoe
    Y1  - 2019/07/02
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ajmcm.20190402.13
    DO  - 10.11648/j.ajmcm.20190402.13
    T2  - American Journal of Mathematical and Computer Modelling
    JF  - American Journal of Mathematical and Computer Modelling
    JO  - American Journal of Mathematical and Computer Modelling
    SP  - 45
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    PB  - Science Publishing Group
    SN  - 2578-8280
    UR  - https://doi.org/10.11648/j.ajmcm.20190402.13
    AB  - Processing images for Geomatic works is one of the most difficult techniques. The image enhancement algorithms have direct effect on the quality of images. It is normally done to improve visual appearance and provide a better technique for future automated image processing. Sources of mages include satellite, photography and aerial photogrammetry that are used for geospatial data processing. These images suffer from poor contrast and noise. To use these images effectively, there is the need to enhance the contrast and remove the noise from the image to increase its quality. There are different techniques for image enhancement but this study focused on image interpolation. This multi-resolution technique is useful for variety of fields where fine and minor details are important. In this research, the Nearest Neighbor, Bilinear and Bicubic image interpolation algorithm were compared. Using the aforementioned techniques, two images were enhanced in order to compare their strengths and processing speed. The results of the algorithm of Nearest Neighbor had low computational time, low complexity of algorithm and poor image quality. On the other hand, the algorithms of Bilinear and Bicubic had average and high computational time, average and high complexity of algorithm and average and good image quality respectively.
    VL  - 4
    IS  - 2
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Author Information
  • Department of Geomatic Engineering, Faculty of Mineral Resources Technology, University of Mines and Technology, Tarkwa, Ghana

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