...
| Code Block | ||
|---|---|---|
| ||
{
"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
| Code Block | ||
|---|---|---|
| ||
{
"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"
} |
Images - Exif
Uses Exif-Py
pip install exifread
Technical tag information can be found here
| Code Block | ||
|---|---|---|
| ||
"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
| Code Block | ||
|---|---|---|
| ||
"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
}
} |
...