Removed dots

Dot removal, a part of algorithm transparency, is the first filter applied to traced skeleton before pore removal. Dots are skeleton minutiae with no ridges (or valleys in valley skeleton) attached to them.

KeywordSuffixZip
ridges-removed-dots.json046-ridges-removed-dots.json
ridges-removed-dots.dat047-ridges-removed-dots.dat
valleys-removed-dots.json062-valleys-removed-dots.json
valleys-removed-dots.dat063-valleys-removed-dots.dat

Visualization

Visualization of skeleton after dot removal was constructed by comparing this stage's json and binary data to traced skeleton data. Visualization itself is not part of transparency data.

Fingerprint skeleton with dots removed and changes marked red
Fingerprint skeleton after dot removal. Removals, if any, are marked red.

Binary data

Binary data has the same structure as for traced skeleton.

Example: 047-ridges-removed-dots.dat

Json

Structure of json data is the same as for traced skeleton.

Example: 046-ridges-removed-dots.json

{
  "width": 388,
  "height": 374,
  "minutiae": [
    {
      "x": 76,
      "y": 268
    },
    {
      "x": 189,
      "y": 352
    },
    {
      "x": 312,
      "y": 124
    },
    {
      "x": 312,
      "y": 126
    },
    {
      "x": 223,
      "y": 326
    },
    {
      "x": 313,
      "y": 67
    },
    {
      "x": 80,
      "y": 156
    },
    {
      "x": 308,
      "y": 256
    },
    {
      "x": 241,
      "y": 286
    },
    {
      "x": 310,
      "y": 196
    },
    {
      "x": 281,
      "y": 73
    },
    {
      "x": 314,
      "y": 88
    },
    {
      "x": 308,
      "y": 274
    },
    {
      "x": 142,
      "y": 304
    },
    {
      "x": 308,
      "y": 279
    },
    {
      "x": 78,
      "y": 242
    },
    {
      "x": 92,
      "y": 320
    },
    {
      "x": 201,
      "y": 23
    },
    {
      "x": 275,
      "y": 291
    },
    {
      "x": 61,
      "y": 272
    },
    {
      "x": 312,
      "y": 173
    },
    {
      "x": 169,
      "y": 1
    },
    {
      "x": 61,
      "y": 278
    },
    {
      "x": 216,
      "y": 83
    },
    {
      "x": 313,
      "y": 149
    },
    {
      "x": 62,
      "y": 256
    },
    {
      "x": 61,
      "y": 287
    },
    {
      "x": 66,
      "y": 132
    },
    {
      "x": 314,
      "y": 129
    },
    {
      "x": 246,
      "y": 192
    },
    {
      "x": 64,
      "y": 202
    },
    {
      "x": 208,
      "y": 348
    },
    {
      "x": 283,
      "y": 72
    },
    {
      "x": 208,
      "y": 350
    },
    {
      "x": 285,
      "y": 16
    },
    {
      "x": 314,
      "y": 142
    },
    {
      "x": 61,
      "y": 308
    },
    {
      "x": 64,
      "y": 222
    },
    {
      "x": 94,
      "y": 326
    },
    {
      "x": 317,
      "y": 72
    },
    {
      "x": 316,
      "y": 104
    },
    {
      "x": 294,
      "y": 276
    },
    {
      "x": 112,
      "y": 288
    },
    {
      "x": 313,
      "y": 204
    },
    {
      "x": 126,
      "y": 369
    },
    {
      "x": 245,
      "y": 266
    },
    {
      "x": 63,
      "y": 279
    },
    {
      "x": 62,
      "y": 310
    },
    {
      "x": 105,
      "y": 2
    },
    {
      "x": 63,
      "y": 285
    },
    {
      "x": 69,
      "y": 103
    },
    {
      "x": 278,
      "y": 282
    },
    {
      "x": 171,
      "y": 17
    },
    {
      "x": 178,
      "y": 314
    },
    {
      "x": 313,
      "y": 227
    },
    {
      "x": 64,
      "y": 269
    },
    {
      "x": 278,
      "y": 292
    },
    {
      "x": 278,
      "y": 294
    },
    {
      "x": 219,
      "y": 82
    },
    {
      "x": 65,
      "y": 250
    },
    {
      "x": 318,
      "y": 94
    },
    {
      "x": 317,
      "y": 126
    },
    {
      "x": 69,
      "y": 134
    },
    {
      "x": 265,
      "y": 202
    },
    {
      "x": 260,
      "y": 358
    },
    {
      "x": 113,
      "y": 312
    },
    {
      "x": 65,
      "y": 265
    },
    {
      "x": 316,
      "y": 196
    },
    {
      "x": 255,
      "y": 13
    },
    {
      "x": 137,
      "y": 88
    },
    {
      "x": 217,
      "y": 173
    },
    {
      "x": 65,
      "y": 277
    },
    {
      "x": 296,
      "y": 290
    },
    {
      "x": 301,
      "y": 137
    },
    {
      "x": 248,
      "y": 246
    },
    {
      "x": 65,
      "y": 288
    },
    {
      "x": 320,
      "y": 65
    },
    {
      "x": 71,
      "y": 104
    },
    {
      "x": 167,
      "y": 200
    },
    {
      "x": 283,
      "y": 193
    },
    {
      "x": 296,
      "y": 302
    },
    {
      "x": 317,
      "y": 165
    },
    {
      "x": 69,
      "y": 180
    },
    {
      "x": 240,
      "y": 1
    },
    {
      "x": 65,
      "y": 306
    },
    {
      "x": 316,
      "y": 208
    },
    {
      "x": 66,
      "y": 286
    },
    {
      "x": 136,
      "y": 168
    },
    {
      "x": 84,
      "y": 246
    },
    {
      "x": 298,
      "y": 270
    },
    {
      "x": 298,
      "y": 282
    },
    {
      "x": 92,
      "y": 15
    },
    {
      "x": 283,
      "y": 239
    },
    {
      "x": 204,
      "y": 130
    },
    {
      "x": 287,
      "y": 119
    },
    {
      "x": 281,
      "y": 318
    },
    {
      "x": 319,
      "y": 166
    },
    {
      "x": 68,
      "y": 268
    },
    {
      "x": 291,
      "y": 19
    },
    {
      "x": 281,
      "y": 333
    },
    {
      "x": 134,
      "y": 284
    },
    {
      "x": 77,
      "y": 4
    },
    {
      "x": 322,
      "y": 90
    },
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      "x": 323,
      "y": 64
    },
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      "x": 76,
      "y": 42
    },
    {
      "x": 300,
      "y": 266
    },
    {
      "x": 254,
      "y": 164
    },
    {
      "x": 318,
      "y": 231
    },
    {
      "x": 132,
      "y": 369
    },
    {
      "x": 170,
      "y": 216
    },
    {
      "x": 265,
      "y": 347
    },
    {
      "x": 302,
      "y": 232
    },
    {
      "x": 208,
      "y": 75
    },
    {
      "x": 323,
      "y": 96
    },
    {
      "x": 292,
      "y": 34
    },
    {
      "x": 74,
      "y": 136
    },
    {
      "x": 168,
      "y": 294
    },
    {
      "x": 238,
      "y": 176
    },
    {
      "x": 302,
      "y": 242
    },
    {
      "x": 135,
      "y": 301
    },
    {
      "x": 304,
      "y": 188
    },
    {
      "x": 293,
      "y": 18
    },
    {
      "x": 191,
      "y": 109
    },
    {
      "x": 293,
      "y": 20
    },
    {
      "x": 322,
      "y": 150
    },
    {
      "x": 191,
      "y": 120
    },
    {
      "x": 238,
      "y": 202
    },
    {
      "x": 70,
      "y": 294
    },
    {
      "x": 86,
      "y": 310
    },
    {
      "x": 96,
      "y": 2
    },
    {
      "x": 201,
      "y": 331
    },
    {
      "x": 151,
      "y": 345
    },
    {
      "x": 60,
      "y": 102
    },
    {
      "x": 146,
      "y": 1
    },
    {
      "x": 267,
      "y": 346
    },
    {
      "x": 267,
      "y": 348
    },
    {
      "x": 322,
      "y": 180
    },
    {
      "x": 103,
      "y": 313
    },
    {
      "x": 79,
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    },
    {
      "x": 262,
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    },
    {
      "x": 309,
      "y": 82
    },
    {
      "x": 286,
      "y": 282
    },
    {
      "x": 130,
      "y": 2
    },
    {
      "x": 303,
      "y": 274
    },
    {
      "x": 137,
      "y": 302
    },
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    },
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    },
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    },
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    },
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    },
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    },
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    },
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    },
    {
      "x": 237,
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    },
    {
      "x": 311,
      "y": 66
    },
    {
      "x": 263,
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    },
    {
      "x": 310,
      "y": 100
    },
    {
      "x": 105,
      "y": 314
    },
    {
      "x": 280,
      "y": 12
    },
    {
      "x": 252,
      "y": 368
    },
    {
      "x": 82,
      "y": 12
    },
    {
      "x": 64,
      "y": 64
    },
    {
      "x": 177,
      "y": 147
    },
    {
      "x": 323,
      "y": 230
    },
    {
      "x": 195,
      "y": 103
    },
    {
      "x": 310,
      "y": 122
    },
    {
      "x": 105,
      "y": 335
    },
    {
      "x": 126,
      "y": 198
    },
    {
      "x": 160,
      "y": 170
    },
    {
      "x": 311,
      "y": 98
    },
    {
      "x": 82,
      "y": 30
    },
    {
      "x": 116,
      "y": 2
    },
    {
      "x": 296,
      "y": 54
    },
    {
      "x": 279,
      "y": 69
    },
    {
      "x": 105,
      "y": 345
    },
    {
      "x": 121,
      "y": 361
    },
    {
      "x": 122,
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    },
    {
      "x": 192,
      "y": 212
    },
    {
      "x": 62,
      "y": 148
    },
    {
      "x": 289,
      "y": 284
    },
    {
      "x": 74,
      "y": 298
    },
    {
      "x": 306,
      "y": 279
    },
    {
      "x": 62,
      "y": 166
    },
    {
      "x": 93,
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    },
    {
      "x": 62,
      "y": 180
    },
    {
      "x": 64,
      "y": 122
    },
    {
      "x": 66,
      "y": 62
    }
  ],
  "ridges": [
    {
      "start": 0,
      "end": 112,
      "length": 219
    },
    {
      "start": 1,
      "end": 33,
      "length": 20
    },
    {
      "start": 2,
      "end": 165,
      "length": 4
    },
    {
      "start": 3,
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    },
    {
      "start": 4,
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    },
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    {
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