Home
  • English
  • ÄŒeÅ¡tina
  • Deutsch
  • Español
  • Français
  • Gàidhlig
  • LatvieÅ¡u
  • Magyar
  • Nederlands
  • Português
  • Português do Brasil
  • Suomi
  • Log In
    New user? Click here to register. Have you forgotten your password?
Home
  • Browse Our Collections
  • Publications
  • Researchers
  • Research Data
  • Institutions
  • Statistics
    • English
    • ÄŒeÅ¡tina
    • Deutsch
    • Español
    • Français
    • Gàidhlig
    • LatvieÅ¡u
    • Magyar
    • Nederlands
    • Português
    • Português do Brasil
    • Suomi
    • Log In
      New user? Click here to register. Have you forgotten your password?
  1. Home
  2. Research Output and Publications
  3. Faculty of Electronic Engineering & Technology (FKTEN)
  4. Theses & Dissertations
  5. Object detection using image processing techniques: coconut as a case study
 
Options

Object detection using image processing techniques: coconut as a case study

Date Issued
2007
Author(s)
Haniza Yazid
Universiti Malaysia Perlis
Handle (URI)
https://hdl.handle.net/20.500.14170/9830
Abstract
The use of computers to analyze images has many potential but, the variability of the objects makes it a challenging task. In this thesis, the main idea is to detect an object (coconut) from an image. Several techniques have been utilized namely, the separable filter, Circular Hough Transform (CHT), chord intersection and moment invariant. Before applying these techniques, the preprocessing and image segmentation steps need to be performed in priori. Histogram equalization is utilized in preprocessing step meanwhile edge detection and morphological filtering have been employed in image segmentation step. Single object has been experimented to evaluate the two (2) techniques, CHT and the chord intersection. Based on the results obtained from single object detection, the CRT achieves higher percentage, 87.5% than chord intersection technique, 85%. For multiple objects detection, the CHT technique has been used and the highest detection for the first object is 87.5% followed by 92.5% for the second object, 77.5% for the third object and the last object is 67.5%. The moment invariant technique has been used to extract the shape of the object and detect its presence. From 50 images that have been experimented, 90% show positive result. This research can be adopted for climbing robotic system that can automatically pluck the coconut from a tree. Using image processing techniques, the gripping process will be easier and convenient than manual plucking.
Subjects
  • Object detection

  • Image processing

  • Filter

  • Circular Hough Transf...

File(s)
Pages 1-24.pdf (1.73 MB) Full text.pdf (8.04 MB)
Downloads
11
Last Week
1
Last Month
1
Acquisition Date
Feb 4, 2026
View Details
Views
1
Acquisition Date
Feb 4, 2026
View Details
google-scholar
  • About Us
  • Contact Us
  • Policies