Batch
Images
Cutouts
Batches
blob_home
and data_root
- storage location information
batch_id
- unique batch identifier
upload_datetime
- when image were uploaded to “uploads” blob storage
image_list
- list of images contained in a single batch folder
schema_version
- version of data schema used for organizing metadata
{ "blob_home": "data", "data_root": "semifield-developed-images", "batch_id": "NC_2022-08-05", "upload_datetime": "2022-08-19_21:28:37", "image_list": [ "images/NC_1659710908.jpg", "images/NC_1659711200.jpg", "images/NC_1659706234.jpg", ... "images/NC_1659709264.jpg", "images/NC_1659715086.jpg", "images/NC_1659706245.jpg" ], "schema_version": "1.0" }
Images - general
blob_home
and data_root
- storage location information
batch_id
- unique batch identifier
image_id
- unique image id comprised of state abbreviation and UNIX timestamp
image_path
- Image filename with a single parent directory
plant_date
- plant date for entire batch. Does not account for replantings.
growth_stage
- estimated growth stage based on planting date
width
and height
- image height and width in pixels. May be downscaled as a result of autosfm; however, image in the “images”directory are full sized images. See fullres_width
and fullres_height
exif_meta
camera_info
cutout_ids
bboxes
fullres_height
fullres_width
fullres_width
{ "blob_home": "data", "data_root": "semifield-developed-images", "batch_id": "NC_2022-07-27", "image_id": "NC_1658926241", "image_path": "images/NC_1658926241.jpg", "plant_date": "2022-06-09", "growth_stage": "vegetative", "width": 4780, "height": 3184, "exif_meta": { ... }, "camera_info": { ... }, "cutout_ids": [ ... ], "bboxes": [ ... ], "fullres_height": 6368, "fullres_width": 9560, "schema_version": "1.0" }
"exif_meta": { "ImageWidth": 9560, "ImageLength": 6368, "BitsPerSample": 8, "Compression": 1, "PhotometricInterpretation": 2, "Make": "SONY", "Model": "ILCE-7RM4", "Orientation": 1, "SamplesPerPixel": 3, "XResolution": "300", "YResolution": "300", "PlanarConfiguration": 1, "ResolutionUnit": 2, "Software": "RawTherapee 5.8", "DateTime": "2022:07:27 08:49:15", "Rating": 0, "ExifOffset": 4449, "ExposureTime": "1/200", "FNumber": "10", "ExposureProgram": 1, "ISOSpeedRatings": 100, "RecommendedExposureIndex": 100, "ExifVersion": [ 48, 50, 51, 49 ], "DateTimeOriginal": "2022:07:27 08:49:15", "DateTimeDigitized": "2022:07:27 08:49:15", "BrightnessValue": "9207/1280", "ExposureBiasValue": "0", "MaxApertureValue": "217/128", "MeteringMode": 5, "LightSource": 0, "Flash": 16, "FocalLength": "55", "FileSource": 3, "SceneType": 1, "CustomRendered": 0, "ExposureMode": 1, "WhiteBalance": 0, "DigitalZoomRatio": "1", "FocalLengthIn35mmFilm": 55, "SceneCaptureType": 0, "Contrast": 0, "Saturation": 0, "Sharpness": 0, "LensSpecification": [ "55", "55", "9/5", "9/5" ], "LensModel": "FE 55mm F1.8 ZA", "BodySerialNumber": null, "MakerNote": null, "ImageDescription": " ", "UserComment": null, "ApplicationNotes": null, "Tag": null, "SubIFDs": 4450 }
Images - Camera Info
camera_info
camera_location
pixel_width
& pixel_height
yaw
, pitch
, roll
focal_length
fov
is_scaleable
"camera_info": { "camera_location": [ -0.1992725638544925, 9.926811159768054, 2.130928709515993 ], "pixel_width": 0.0075333198937023, "pixel_height": 0.0075333198937023, "yaw": 183.89777711639093, "pitch": -2.3366362127596525, "roll": 0.7135915032770658, "focal_length": 8747.80961719926, "fov": { "top_left": [ -0.8064812117393512, 10.27414293412319 ], "top_right": [ 0.3552128560424488, 10.353294011316107 ], "bottom_left": [ -0.7537579837514339, 9.50032830822 ], "bottom_right": [ 0.4079360840303661, 9.579479385412917 ], "is_scaleable": true } }
Images - Cutouts
cutout_ids
"cutout_ids": [ "NC_1658926241_0", "NC_1658926241_1", "NC_1658926241_2", "NC_1658926241_3" ],
Images - Bounding Boxes
"bboxes": [ { "bbox_id": "NC_1658926241_0", "image_id": "NC_1658926241", "local_centroid": [ 0.7247684299945831, 0.782112181186676 ], "local_coordinates": { "top_left": [ 4559.100573062897, 3592.980739593506 ], "top_right": [ 9298.47180843353, 3592.980739593506 ], "bottom_left": [ 4559.100573062897, 6368.0 ], "bottom_right": [ 9298.47180843353, 6368.0 ], "is_scaleable": true }, "global_centroid": [ -0.3805987383493097, 10.21634506227248 ], "global_coordinates": { "top_left": [ -0.1245738268094071, 10.015139374543459 ], "top_right": [ -0.7303918468219674, 10.11728321515172 ], "bottom_left": [ -0.07889030276824338, 10.4175507500015 ], "bottom_right": [ -0.682307173930376, 10.458062046757698 ], "is_scaleable": true }, "cls": { "scientific_name": "Amaranthus palmeri", "common_name": "Palmer amaranth", "USDA_symbol": "AMPA", "EPPO": "AMAPA", "authority": "Watson", "collection_location": "NC", "polygon_id": "" }, "is_primary": false, "overlapping_bbox_ids": [] }, { ... } ],
Cutouts
{ "blob_home": "data", "data_root": "semifield-cutouts", "batch_id": "NC_2022-08-05", "image_id": "NC_1659703400", "cutout_id": "NC_1659703400_0", "cutout_path": "NC_2022-08-05/NC_1659703400_0.png", "cls": { "scientific_name": "Amaranthus palmeri", "common_name": "Palmer amaranth", "USDA_symbol": "AMPA", "EPPO": "AMAPA", "authority": "Watson", "collection_location": "NC", "polygon_id": "" }, "cutout_num": 0, "is_primary": false, "datetime": "2022:08:05 08:41:41", "cutout_props": { "area": 28153.0, "area_bbox": 95480.0, "area_convex": 50539.0, "axis_major_length": 248.60737102397786, "axis_minor_length": 212.34307812840584, "centroid0": 156.52289276453664, "centroid1": 184.76936738535858, "eccentricity": 0.5200591323747853, "solidity": 0.5570549476641802, "perimeter": 1873.559666716433, "is_green": true, "green_sum": 17637 }, "extends_border": true, "cutout_version": "1.0", "schema_version": "1.0" }
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