{
"1.png896616":{
"filename":"1.png",
"size":896616,
"regions":[
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
286,284,......
],
"all_points_y":[
94,93,....
]
},
"region_attributes":{
"sweet_pepper":"YELLOW"
}
},
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
455,457,...
],
"all_points_y":[
194,202,...
]
},
"region_attributes":{
"sweet_pepper":"YELLOW"
}
},
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
295,294,...
],
"all_points_y":[
426,437,...
]
},
"region_attributes":{
"sweet_pepper":"RED"
}
}
],
"file_attributes":{}
},
"2.png810690":{
"filename":"2.png",
"size":810690,
"regions":[
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
257,246,...
],
"all_points_y":[
18,16,...
]
},
"region_attributes":{
"sweet_pepper":"YELLOW"
}
},
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
439,466,...
],
"all_points_y":[
93,115,...
]
},
"region_attributes":{
"sweet_pepper":"YELLOW"
}
},
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
283,284...
],
"all_points_y":[
355,381,...
]
},
"region_attributes":{
"sweet_pepper":"RED"
}
},
{
"shape_attributes":{
"name":"polygon",
"all_points_x":[
193,176,...
],
"all_points_y":[
169,174,...
]
},
"region_attributes":{
"sweet_pepper":"GREEN"
}
}
],
"file_attributes":{
}
}
}
This is the format of the json file. Here we only put json files for two images, but actually there are more than 40.
I only want to extract values for all_points_x, all_points_y, but I don't know how. The values for all_points_x, all_points_y are included in 1.png896616 (or 2.png810690) -> regions -> shape_attributes.
If there is one image, we extracted all_points_x and all_points_y, but since there are more than two of them, I don't know what to do.
Do I have to extract each image separately?
python json
import json
from os import readlink
with open('json path', 'r') as f:
json_data = json.load(f)
keyList = json_data.keys()
key_list = list(keyList)
#print(key_list)
for e in range(2):
key = key_list[e]
print(key)
for i, j in enumerate(json_data[key]['regions']):
print("all_poins_x : ", i,j['shape_attributes']['all_points_x'])
print("all_poins_y : ", i,j['shape_attributes']['all_points_y'])
That's what I chose. If there is anyone who wants to refer to it, please see!
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