03882ntm a2200301 a 4500001001400000003000700014005001700021008004100038020002200079039006900101040000800170090002900178100002900207245012400236260003400360300005800394500005500452502007000507504003000577520245700607610007003064650004503134650001103179952013103190952014203321999002503463999009203488vtls000101365KUKTEM20251117113341.0170928t2017    my a   f am   000 0 eng d  aTHE0001253(Local) 9a201905271348batiec201710030929dfateehay201709281139zfateeha  aUMP  aFSKKP .S26 2017 r Thesis1 aSantoso, Ardhi Wicaksono10aFuzzy-based frost filter for speckle noise reduction of Synthetic Aperture Radar (SAR) image /cArdhi Wicaksono Santoso  aKuantan, Pahang :bUMP,c2017  axiv, 117 p. :bill. (some col.) ;c30 cm. +e1 CD-ROM  aFaculty of Computer Systems & Software Engineering  aThesis (Master of Science) -- Universiti Malaysia Pahang – 2017  aBibliography : p. 100-1043 aThe Synthetic Aperture Radar (SAR) image is a high-resolution image and is less influenced by weather conditions either day or night compared to the optical image. SAR image, because of its advantages, is becoming more popular than the optical image in the remote sensing area for earth observation study. However, the speckle noise that occurs in the SAR image causes difficulties in image interpretation, and speckle noise reduction process has become necessary before of the usage of SAR image. The ideal speckle filter has the capability of reducing speckle noise without losing the information and preserving its texture. This study proposes the use of speckle noise filter that as nearly possible to meet those criteria. This research has investigated the performance of existing filter, which was Frost, Lee, Kuan, and Median, and had applied it to ALOS-PALSAR images with homogeneous and heterogeneous earth area surfaces in Kuantan, Pahang, Malaysia. Filtered image is measured and evaluated using image quality parameters to show the performance of the filters in reducing speckle noise and preserving the texture. The parameter used for filters evaluation performances are Equivalent Number of Looks (ENL), Speckle Index (SI), Mean, Standard Deviation and Variance. The experiment results showed that Frost filter has better results compared to others and has been selected as the qualified existing filter. The Frost filter was modified by applying the fuzzy approach which was aimed at eliminating speckle noise while maintaining texture. There are four combinations of proposed filter, which are Frost-ATMAV, Frost-ATMED, Frost-TMAV, and Frost-TMED combination. Based on the results of comparison and evaluation of the filters, Frost-TMAV combination has been selected as the best-proposed filter. It had improved the performance of Frost filters for each parameter's measurement; it showed the improvement value of 19.47% for ENL, 8.48% for SI, 2.56% for mean, 6.15% for standard deviation and 2.00% for a variance, applied into homogeneous areas of ALOS-PALSAR images. While when used with heterogeneous areas, it improved 9.54% for ENL, 4.41% for SI, 3.03% for mean, 1.51% for standard deviation and 2.96% for the variance. It has been verified that the Frost-TMAV could be used for ALOS-PALSAR data pre-processing, which means that this filter can produce good-quality images based on parameters used when compared with other filters.20aFaculty of Computer Systems & Software EngineeringxDissertations 0aUniversities and CollegesxDissertations 0aTheses  00102lcc4071a20000b20000d2019-09-04l0oFSKKP .S26 2017 r Thesisp0000119801r2019-09-04 00:00:00t1w2019-09-04yTHESIS  00102lcc4071a20000b20000d2019-09-04l0oCD 10862 | FSKKP .S26 2017 r Thesisp0000119802r2019-09-04 00:00:00t1w2019-09-04yTHESIS  aVIRTUA40c7202d7208  aVTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5000*5020*5040*5200*6100*6500*6501*9992