{
  "id": 26692,
  "title": "What is the complete mapping from label to category in training data?",
  "url": "/competitions/dstl-satellite-imagery-feature-detection/discussion/26692",
  "author_name": "",
  "post_date": "2016-12-20T02:46:23.860Z",
  "votes": 1,
  "comment_count": 1,
  "views": 229,
  "content": "<p>Maybe I'm just missing something obvious?  But looking at e.g. 6100_1_3, there are a number of items for which it is not 100% clear into which category they belong.  Namely,</p>\n\n<p>004_UPI_L5_PYLONS.geojson\n005_VO_L6_MASTS_RADIO_TOWER.geojson\n004_UPI_L6_SATELLITE_DISHES_DISH_AERIAL.geojson</p>\n\n<p>Are these Buildings (category 1) or Misc Manmade Structures (category 2)?  I suppose if  I had to guess, I would go with the latter, but I'm not sure (especially a Radio Tower) and it is surely not the intent of the contest to have to guess this sort of thing.  If the description in the Evaluation page could be augmented to include these that would be great, or if there is a class number somewhere that I'm missing for these that someone could point out that would be awesome too.</p>",
  "messages": [
    {
      "id": "151307",
      "postDate": "12/20/2016 02:46:23",
      "content": "<p>Maybe I'm just missing something obvious?  But looking at e.g. 6100_1_3, there are a number of items for which it is not 100% clear into which category they belong.  Namely,</p>\n\n<p>004_UPI_L5_PYLONS.geojson\n005_VO_L6_MASTS_RADIO_TOWER.geojson\n004_UPI_L6_SATELLITE_DISHES_DISH_AERIAL.geojson</p>\n\n<p>Are these Buildings (category 1) or Misc Manmade Structures (category 2)?  I suppose if  I had to guess, I would go with the latter, but I'm not sure (especially a Radio Tower) and it is surely not the intent of the contest to have to guess this sort of thing.  If the description in the Evaluation page could be augmented to include these that would be great, or if there is a class number somewhere that I'm missing for these that someone could point out that would be awesome too.</p>",
      "rawMarkdown": "Maybe I'm just missing something obvious?  But looking at e.g. 6100_1_3, there are a number of items for which it is not 100% clear into which category they belong.  Namely,\r\n\r\n004_UPI_L5_PYLONS.geojson\r\n005_VO_L6_MASTS_RADIO_TOWER.geojson\r\n004_UPI_L6_SATELLITE_DISHES_DISH_AERIAL.geojson\r\n\r\nAre these Buildings (category 1) or Misc Manmade Structures (category 2)?  I suppose if  I had to guess, I would go with the latter, but I'm not sure (especially a Radio Tower) and it is surely not the intent of the contest to have to guess this sort of thing.  If the description in the Evaluation page could be augmented to include these that would be great, or if there is a class number somewhere that I'm missing for these that someone could point out that would be awesome too.",
      "votes": null
    },
    {
      "id": "152393",
      "postDate": "12/25/2016 20:39:25",
      "content": "<p>At the bottom of the DATA page you may find a dictionary with object to class correspondence, as shown below:</p>\n\n<p>filename_to_classType = {\n'001_MM_L2_LARGE_BUILDING':1,\n'001_MM_L3_RESIDENTIAL_BUILDING':1,\n'001_MM_L3_NON_RESIDENTIAL_BUILDING':1,\n'001_MM_L5_MISC_SMALL_STRUCTURE':2,\n'002_TR_L3_GOOD_ROADS':3,\n'002_TR_L4_POOR_DIRT_CART_TRACK':4,\n'002_TR_L6_FOOTPATH_TRAIL':4,\n'006_VEG_L2_WOODLAND':5,\n'006_VEG_L3_HEDGEROWS':5,\n'006_VEG_L5_GROUP_TREES':5,\n'006_VEG_L5_STANDALONE_TREES':5,\n'007_AGR_L2_CONTOUR_PLOUGHING_CROPLAND':6,\n'007_AGR_L6_ROW_CROP':6, \n'008_WTR_L3_WATERWAY':7,\n'008_WTR_L2_STANDING_WATER':8,\n'003_VH_L4_LARGE_VEHICLE':9,\n'003_VH_L5_SMALL_VEHICLE':10,\n'003_VH_L6_MOTORBIKE':10}</p>\n\n<p>Those 3 items you mention are not included. There are other missing as well (eg., V0_FLAGPOLE). I agree, one should not have to guess this sort of things. This should be completely clear.</p>",
      "rawMarkdown": "At the bottom of the DATA page you may find a dictionary with object to class correspondence, as shown below:\r\n\r\nfilename_to_classType = {\r\n'001_MM_L2_LARGE_BUILDING':1,\r\n'001_MM_L3_RESIDENTIAL_BUILDING':1,\r\n'001_MM_L3_NON_RESIDENTIAL_BUILDING':1,\r\n'001_MM_L5_MISC_SMALL_STRUCTURE':2,\r\n'002_TR_L3_GOOD_ROADS':3,\r\n'002_TR_L4_POOR_DIRT_CART_TRACK':4,\r\n'002_TR_L6_FOOTPATH_TRAIL':4,\r\n'006_VEG_L2_WOODLAND':5,\r\n'006_VEG_L3_HEDGEROWS':5,\r\n'006_VEG_L5_GROUP_TREES':5,\r\n'006_VEG_L5_STANDALONE_TREES':5,\r\n'007_AGR_L2_CONTOUR_PLOUGHING_CROPLAND':6,\r\n'007_AGR_L6_ROW_CROP':6, \r\n'008_WTR_L3_WATERWAY':7,\r\n'008_WTR_L2_STANDING_WATER':8,\r\n'003_VH_L4_LARGE_VEHICLE':9,\r\n'003_VH_L5_SMALL_VEHICLE':10,\r\n'003_VH_L6_MOTORBIKE':10}\r\n\r\nThose 3 items you mention are not included. There are other missing as well (eg., V0_FLAGPOLE). I agree, one should not have to guess this sort of things. This should be completely clear.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 152393,
      "author_name": "amsantac",
      "author_url": "",
      "post_date": "12/25/2016 20:39:25",
      "content": "<p>At the bottom of the DATA page you may find a dictionary with object to class correspondence, as shown below:</p>\n\n<p>filename_to_classType = {\n'001_MM_L2_LARGE_BUILDING':1,\n'001_MM_L3_RESIDENTIAL_BUILDING':1,\n'001_MM_L3_NON_RESIDENTIAL_BUILDING':1,\n'001_MM_L5_MISC_SMALL_STRUCTURE':2,\n'002_TR_L3_GOOD_ROADS':3,\n'002_TR_L4_POOR_DIRT_CART_TRACK':4,\n'002_TR_L6_FOOTPATH_TRAIL':4,\n'006_VEG_L2_WOODLAND':5,\n'006_VEG_L3_HEDGEROWS':5,\n'006_VEG_L5_GROUP_TREES':5,\n'006_VEG_L5_STANDALONE_TREES':5,\n'007_AGR_L2_CONTOUR_PLOUGHING_CROPLAND':6,\n'007_AGR_L6_ROW_CROP':6, \n'008_WTR_L3_WATERWAY':7,\n'008_WTR_L2_STANDING_WATER':8,\n'003_VH_L4_LARGE_VEHICLE':9,\n'003_VH_L5_SMALL_VEHICLE':10,\n'003_VH_L6_MOTORBIKE':10}</p>\n\n<p>Those 3 items you mention are not included. There are other missing as well (eg., V0_FLAGPOLE). I agree, one should not have to guess this sort of things. This should be completely clear.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "151307": "Maybe I'm just missing something obvious?  But looking at e.g. 6100_1_3, there are a number of items for which it is not 100% clear into which category they belong.  Namely,\r\n\r\n004_UPI_L5_PYLONS.geojson\r\n005_VO_L6_MASTS_RADIO_TOWER.geojson\r\n004_UPI_L6_SATELLITE_DISHES_DISH_AERIAL.geojson\r\n\r\nAre these Buildings (category 1) or Misc Manmade Structures (category 2)?  I suppose if  I had to guess, I would go with the latter, but I'm not sure (especially a Radio Tower) and it is surely not the intent of the contest to have to guess this sort of thing.  If the description in the Evaluation page could be augmented to include these that would be great, or if there is a class number somewhere that I'm missing for these that someone could point out that would be awesome too.",
    "152393": "At the bottom of the DATA page you may find a dictionary with object to class correspondence, as shown below:\r\n\r\nfilename_to_classType = {\r\n'001_MM_L2_LARGE_BUILDING':1,\r\n'001_MM_L3_RESIDENTIAL_BUILDING':1,\r\n'001_MM_L3_NON_RESIDENTIAL_BUILDING':1,\r\n'001_MM_L5_MISC_SMALL_STRUCTURE':2,\r\n'002_TR_L3_GOOD_ROADS':3,\r\n'002_TR_L4_POOR_DIRT_CART_TRACK':4,\r\n'002_TR_L6_FOOTPATH_TRAIL':4,\r\n'006_VEG_L2_WOODLAND':5,\r\n'006_VEG_L3_HEDGEROWS':5,\r\n'006_VEG_L5_GROUP_TREES':5,\r\n'006_VEG_L5_STANDALONE_TREES':5,\r\n'007_AGR_L2_CONTOUR_PLOUGHING_CROPLAND':6,\r\n'007_AGR_L6_ROW_CROP':6, \r\n'008_WTR_L3_WATERWAY':7,\r\n'008_WTR_L2_STANDING_WATER':8,\r\n'003_VH_L4_LARGE_VEHICLE':9,\r\n'003_VH_L5_SMALL_VEHICLE':10,\r\n'003_VH_L6_MOTORBIKE':10}\r\n\r\nThose 3 items you mention are not included. There are other missing as well (eg., V0_FLAGPOLE). I agree, one should not have to guess this sort of things. This should be completely clear."
  },
  "source": "meta"
}