Transcription of 2 ノイズ除去（1）平滑化処理 －1次元－
1 1 (LPF) (HPF)() Laplacian of Gaussian (LOG) (BPF) 2 45504649)(xf 38151719)(xf*15141217xKernel 1/5 1/5 1/5 1/5 1/5 )(xg )(xg3542294549 152112272919 x 22211251)(51iinnnnnnnffffffg3 f1 f2 f3f4f5f6k1 (kernel)k2k3f4f5f6f7 f8 f9k1k2k3k4 k5 k6 k7 k8 k9 9922115fkfkfkg 4 (kernel)k1k2k3k1k2k3k4 k5 k6k7 k8 k91111 911111115 50 4538504649)(xf 1514121719xKl-1 01*xKernel 312628)(xg11 nnnffg 265x1-21-1x-16 50 4538504649)(xf 1514121719xKl-1 10*xKernel 26)(xg1 nnnffg23 533x32-1x-4-247 50 4538504649)(xf 1514121719xKl-1 10*xKernel 26)(xg1 nnnffg23 533x32-1x-4-248 50nnnnnfffffffg2)()(11 4538504649)(xfnnnfff211 1514121719xKernel )(xgx x x9 ( 50 4538504649)(xf 1514121719x)(xgx )(g x},,,,{2112 nnnnnnfffffmediang 10 Sobel filterLaplacian filterxx0-1 0141-101202-14-10-10-202-1 01yy yy f1f2 f3f4 f5 f6 f7 f8 f9)()(ffff )()(2558ffff y 2 x 2 )
2 ()(4556ffff 11 Laplacian of Gaussian (LoG) LOG Gaussian Gaussian 1 11 1-1 -111 1-21 12 Kernel:n 1112 n3x3 kernel 112 n 3x3 kernel 5x5 kernel7x7 kernel13 Gaussian kernel = 1 14 Gaussian kernel = 2 = 3 15 Laplacian 16 LOG (Gaussian Kernel size: 7x7)GaussianKliKernel size:7x7 17 LOG (Gaussian Kernel size: 13x13)GaussianKliKernel size:13x13 18 LOG (Gaussian Kernel size: 19x19) size:19x19 19 Prewitt -1-1 -1000000111y -101101-101-1 01y 20)
