A Probabilistic Approach to Geometric Hashing using Line Features
A Probabilistic Approach to Geometric Hashing using Line Features
A Probabilistic Approach to Geometric Hashing using Line Features
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CHAPTER 3. NOISE IN THE HOUGH TRANSFORM 35<br />
image-8: ***************.********.****..***.*.****.*.*.....*..*................<br />
image-9: ***********.**********.****..*.**...*.*..****.**.*..*...*..*...**.....<br />
ç ç = 1.938883 èdegreeè or 0.033840 èradianè; ç r = 2.519878 èpixelè;<br />
ç çr = -0.357589 èdegree.pixelè or -0.006241 èradian.pixelè.<br />
æ case 5: 20è negative noise, along with no positive noise<br />
image-0: ***********************************************.***...................<br />
image-1: ********************************.***..******.**.*.*....**........*...*<br />
image-2: ****************************************.***********.*..*.*....*......<br />
image-3: ********************************.******.*.***..*.....**.*...*.*.*...*.<br />
image-4: *********************.****.**.*****.**.******.**.*...........**...*...<br />
image-5: ********************************************..*.....*.**.....*........<br />
image-6: **********************************************************.*..*.......<br />
image-7: ************************************.***************.*.*.*..*......*..<br />
image-8: **********************************************.*.......*........*.....<br />
image-9: ******************.*.******.********.*.*..*******.***.**.*.*.*..*.*...<br />
ç ç = 1.563745 èdegreeè or 0.027293 èradianè; ç r = 1.913004 èpixelè;<br />
ç çr = 0.219434 èdegree.pixelè or 0.003830 èradian.pixelè.<br />
æ case 6: 20è negative noise, along with 200 pieces of random dot noise and 200 pieces<br />
of segment noise<br />
image-0: *************.****************.*..**.*.*.*.*..*......................*<br />
image-1: ******************************.*..***...**..**.*...........*.....*..*.<br />
image-2: ****************************.*****.*.**.**.......**.....****.*........<br />
image-3: **************************************.**.***.***.....*.......*...*...<br />
image-4: *******************.****.***..**.***...***..........................*.<br />
image-5: ***********************************.*.**.***..*....................*..<br />
image-6: **********************.***************..***...**.*..*...**.....*.*.*.*<br />
image-7: ******************************.****..***...****.*..*...*..*..*.*......<br />
image-8: *********************************.**..*.**.***.*..........*...........<br />
image-9: ***********.*****.*.******.**.*****...*...***......*......*..*.*.**.*.<br />
ç ç = 1.754688 èdegreeè or 0.030625 èradianè; ç r = 2.144938 èpixelè;<br />
ç çr = 0.349338 èdegree.pixelè or 0.006097 èradian.pixelè.<br />
æ case 7: 20è negative noise, along with 400 pieces of random dot noise and 400 pieces<br />
of segment noise<br />
image-0: *********.*****************.*.***.*...*.......*...*............*....*.<br />
image-1: **********************.*.**..**.*****..*.*.*****......................<br />
image-2: *******************.**.*****..*...*.**.*....*..**.....................<br />
image-3: ***************************.**.*.**......*.........**...*........*....<br />
image-4: ******************..**..*..**..*****..**...*.*............*.*.........<br />
image-5: *****************.************.**.*........***.*............*........*<br />
image-6: **********************..*******.*********.......*.**....*.***..*..*...<br />
image-7: ****************************.*.*.***.*.***..........**.*.*....*.**....<br />
image-8: *********************..*******.*.*****.*..*..**...*..*.......*..*.....<br />
image-9: ***************..*.**.*.*.***.**.**..****....*.*.*........*...*.*.....<br />
ç ç = 1.880869 èdegreeè or 0.032827 èradianè; ç r = 2.397261 èpixelè;<br />
ç çr = -0.113044 èdegree.pixelè or -0.001973 èradian.pixelè.<br />
æ case 8: 20è negative noise, along with 800 pieces of random dot noise and 800 pieces