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\n",
"Quantitative Big Imaging - ETHZ: 227-0966-00L\n",
"
\n",
"Part 1\n",
"
April 1, 2021
\n", "Anders Kaestner
\n", "Laboratory for Neutron Scattering and Imaging
Paul Scherrer Institut
Image Enhancment | Segmentation | Automatic Methods |
---|---|---|
\n", " \n", "- Highlighting the contrast of interest\n", "- Minimizing Noise\n", "\n", " | \n", "\n", " \n", "- Understanding value histograms\n", "- Dealing with multi-valued data\n", " \n", " | \n", "\n", " \n", "- Hysteresis Method\n", "- K-Means Analysis\n", "\n", " | \n", "
Regions of Interest | Machine Learning | |
\n", " \n", "- Contouring\n", "\n", " |
\n", " | 0 | \n", "
---|---|
area | \n", "900 | \n", "
bbox | \n", "(10, 10, 40, 40) | \n", "
bbox_area | \n", "900 | \n", "
centroid | \n", "(24.5, 24.5) | \n", "
convex_area | \n", "900 | \n", "
coords | \n", "[[10, 10], [10, 11], [10, 12], [10, 13], [10, ... | \n", "
eccentricity | \n", "0 | \n", "
equivalent_diameter | \n", "33.8514 | \n", "
euler_number | \n", "1 | \n", "
extent | \n", "1 | \n", "
filled_area | \n", "900 | \n", "
inertia_tensor | \n", "[[74.91666666666667, -0.0], [-0.0, 74.91666666... | \n", "
inertia_tensor_eigvals | \n", "[74.91666666666667, 74.91666666666667] | \n", "
label | \n", "1 | \n", "
local_centroid | \n", "(14.5, 14.5) | \n", "
major_axis_length | \n", "34.6218 | \n", "
max_intensity | \n", "7207.62 | \n", "
mean_intensity | \n", "2223.91 | \n", "
min_intensity | \n", "41.4433 | \n", "
minor_axis_length | \n", "34.6218 | \n", "
moments | \n", "[[900.0, 13050.0, 256650.0, 5676750.0], [13050... | \n", "
moments_central | \n", "[[900.0, 0.0, 67425.0, 0.0], [0.0, 0.0, 0.0, 0... | \n", "
moments_hu | \n", "[0.16648148148148148, 0.0, 0.0, 0.0, 0.0, 0.0,... | \n", "
moments_normalized | \n", "[[nan, nan, 0.08324074074074074, 0.0], [nan, 0... | \n", "
orientation | \n", "0.785398 | \n", "
perimeter | \n", "116 | \n", "
slice | \n", "(slice(10, 40, None), slice(10, 40, None)) | \n", "
solidity | \n", "1 | \n", "
weighted_centroid | \n", "(29.27320794892042, 27.898230520694007) | \n", "
weighted_local_centroid | \n", "[19.27320794892042, 17.898230520694007] | \n", "
weighted_moments | \n", "[[2001517.0866305707, 35823614.20762183, 76860... | \n", "
weighted_moments_central | \n", "[[2001517.0866305707, -4.3655745685100555e-09,... | \n", "
weighted_moments_hu | \n", "[6.219233313138948e-05, 2.8996448632098516e-11... | \n", "
weighted_moments_normalized | \n", "[[nan, nan, 3.1809307780004445e-05, -8.2096428... | \n", "
\n", " | label | \n", "bbox | \n", "area | \n", "centroid | \n", "color | \n", "
---|---|---|---|---|---|
0 | \n", "1 | \n", "(30, 153, 58, 202) | \n", "1091 | \n", "(43.64527956003666, 177.82218148487627) | \n", "dimgrey | \n", "
1 | \n", "2 | \n", "(33, 37, 51, 77) | \n", "535 | \n", "(41.44299065420561, 58.7607476635514) | \n", "silver | \n", "
2 | \n", "3 | \n", "(37, 370, 54, 385) | \n", "140 | \n", "(45.871428571428574, 378.6642857142857) | \n", "darkslategray | \n", "
3 | \n", "4 | \n", "(37, 387, 54, 416) | \n", "342 | \n", "(44.86257309941521, 398.66959064327483) | \n", "darkslategray | \n", "
4 | \n", "5 | \n", "(38, 431, 53, 463) | \n", "323 | \n", "(44.526315789473685, 446.9133126934984) | \n", "darkslategray | \n", "
5 | \n", "6 | \n", "(46, 469, 52, 474) | \n", "22 | \n", "(48.63636363636363, 471.1818181818182) | \n", "dimgrey | \n", "
6 | \n", "7 | \n", "(46, 475, 54, 482) | \n", "44 | \n", "(49.09090909090909, 478.22727272727275) | \n", "dimgrey | \n", "
7 | \n", "8 | \n", "(47, 492, 56, 511) | \n", "134 | \n", "(50.992537313432834, 501.82089552238807) | \n", "powderblue | \n", "
8 | \n", "9 | \n", "(48, 484, 54, 489) | \n", "25 | \n", "(50.92, 485.76) | \n", "grey | \n", "