Oriental Journal of Computer Science and Technology

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Classical and Fuzzy Based Image Enhancement Techniques for Banana Root Disease Diagnosis: A Review and Validation


Affiliations
1 School of Post Graduate Studies, Tamil Nadu Agricultural University, Coimbatore-641003, Tamil Nadu, India
2 Department of Computer Applications, School of Computer Science and Engineering, Bharathiar University, Coimbatore, 641 046 Tamil Nadu, India
3 Department of Plant Pathology, Agricultural College and Research Institute, Madurai-625104, Tamil Nadu, India
 

A vital step in automation of plant ischolar_main disease diagnosis is to extract ischolar_main region from the input images in an automatic and consistent manner. However, performance of segmentation algorithm over ischolar_main images directly depends on the quality of input images. During acquisition, the captured ischolar_main images are distorted by numerous external factors like lighting conditions, dust and so on. Hence it is essential to incorporate an image enhancement algorithm as a pre-processing step in the plant ischolar_main disease diagnosis module. Image quality can be improved either by manipulating the pixels through spatial or frequency domain. In spatial domain, images are directly manipulated using their pixel values and alternatively in frequency domain, images are indirectly manipulated using transformations. Spatial based enhancement methods are considered as favourable approach for real time ischolar_main images as it is simple and easy to understand with low computational complexity. In this study, real time banana ischolar_main images were enhanced by attempting with different spatial based image enhancement techniques. Different classical point processing methods (contrast stretching, logarithmic transformation, power law transformation, histogram equalization, adaptive histogram equalization and histogram matching) and fuzzy based enhancement methods using fuzzy intensification operator and fuzzy if-then rule based methods were tried to enhance the banana ischolar_main images. Quality of the enhanced ischolar_main images obtained through different classical point processing and fuzzy based methods were measured using no-reference image quality metrics, entropy and blind image quality index. Hence, this study concludes that fuzzy based method could be deployed as a suitable image enhancement algorithm while devising the image processing modules for banana ischolar_main disease diagnosis.

Keywords

Fuzzy Contrast Enhancement Methods, Fuzzy Intensification Operator, Fuzzy If-then Rules Method, Image Enhancement, No – Reference Image Quality Index.
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  • Classical and Fuzzy Based Image Enhancement Techniques for Banana Root Disease Diagnosis: A Review and Validation

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Authors

D. Suryaprabha
School of Post Graduate Studies, Tamil Nadu Agricultural University, Coimbatore-641003, Tamil Nadu, India
J. Satheeshkumar
Department of Computer Applications, School of Computer Science and Engineering, Bharathiar University, Coimbatore, 641 046 Tamil Nadu, India
N. Seenivasan
Department of Plant Pathology, Agricultural College and Research Institute, Madurai-625104, Tamil Nadu, India

Abstract


A vital step in automation of plant ischolar_main disease diagnosis is to extract ischolar_main region from the input images in an automatic and consistent manner. However, performance of segmentation algorithm over ischolar_main images directly depends on the quality of input images. During acquisition, the captured ischolar_main images are distorted by numerous external factors like lighting conditions, dust and so on. Hence it is essential to incorporate an image enhancement algorithm as a pre-processing step in the plant ischolar_main disease diagnosis module. Image quality can be improved either by manipulating the pixels through spatial or frequency domain. In spatial domain, images are directly manipulated using their pixel values and alternatively in frequency domain, images are indirectly manipulated using transformations. Spatial based enhancement methods are considered as favourable approach for real time ischolar_main images as it is simple and easy to understand with low computational complexity. In this study, real time banana ischolar_main images were enhanced by attempting with different spatial based image enhancement techniques. Different classical point processing methods (contrast stretching, logarithmic transformation, power law transformation, histogram equalization, adaptive histogram equalization and histogram matching) and fuzzy based enhancement methods using fuzzy intensification operator and fuzzy if-then rule based methods were tried to enhance the banana ischolar_main images. Quality of the enhanced ischolar_main images obtained through different classical point processing and fuzzy based methods were measured using no-reference image quality metrics, entropy and blind image quality index. Hence, this study concludes that fuzzy based method could be deployed as a suitable image enhancement algorithm while devising the image processing modules for banana ischolar_main disease diagnosis.

Keywords


Fuzzy Contrast Enhancement Methods, Fuzzy Intensification Operator, Fuzzy If-then Rules Method, Image Enhancement, No – Reference Image Quality Index.

References