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*.pyc | ||
*.png | ||
*.jpg |
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import os | ||
import os.path as osp | ||
import json | ||
import numpy as np | ||
import random | ||
import matplotlib.pyplot as plt | ||
import collections | ||
import torch | ||
import torchvision | ||
from torch.utils import data | ||
from PIL import Image | ||
from .utils import RandomResizedCrop | ||
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def label_mapping(input, mapping): | ||
output = np.copy(input) | ||
for ind in range(len(mapping)): | ||
output[input == mapping[ind][0]] = mapping[ind][1] | ||
return np.array(output, dtype=np.float32) | ||
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class cityscapesDataSet(data.Dataset): | ||
def __init__(self, root, list_path, max_iters=None, crop_size=(1024, 512), ignore_label=255, transform = None, set='val', dataset_info = None, need_label = False): | ||
self.root = root | ||
self.list_path = list_path | ||
self.crop_size = crop_size | ||
self.ignore_label = ignore_label | ||
# self.mean_bgr = np.array([104.00698793, 116.66876762, 122.67891434]) | ||
self.img_ids = [i_id.strip() for i_id in open(list_path)] | ||
if not max_iters==None: | ||
self.img_ids = self.img_ids * int(np.ceil(float(max_iters) / len(self.img_ids))) | ||
self.files = [] | ||
self.set = set | ||
self.transform = transform | ||
self.need_label = need_label | ||
with open('./dataset/cityscapes_list/info.json', 'r') as fp: | ||
dataset_info = json.load(fp) | ||
self.mapping = np.array(dataset_info['label2train'], dtype=np.int) | ||
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# for split in ["train", "trainval", "val"]: | ||
for name in self.img_ids: | ||
name = name.split(" ")[0] | ||
img_file = osp.join(self.root, "leftImg8bit/%s/%s" % (self.set, name)) | ||
lbl_name = "_".join(name.split("_")[:-1]) + "_gtFine_labelIds.png" | ||
lbl_file = osp.join(self.root, "gtFine/%s/%s"%(self.set, lbl_name)) | ||
self.files.append({ | ||
"img": img_file, | ||
"name": name, | ||
"label": lbl_file | ||
}) | ||
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def __len__(self): | ||
return len(self.files) | ||
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def __getitem__(self, index): | ||
datafiles = self.files[index] | ||
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image = Image.open(datafiles["img"]).convert('RGB') | ||
name = datafiles["name"] | ||
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if self.need_label == True: | ||
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label = Image.open(datafiles["label"]) | ||
label = label_mapping(np.asarray(label), self.mapping) | ||
label = Image.fromarray(label) | ||
if self.transform: | ||
image, label = self.transform(image, label) | ||
else: | ||
if self.transform: | ||
image = self.transform(image) | ||
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if self.need_label == True: | ||
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return image, label, name | ||
else: | ||
return image, name | ||
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class fake_cityscapesDataSet(data.Dataset): | ||
def __init__(self, root, list_path, max_iters=None, crop_size=(1024, 512), ignore_label=255, transform = None, set='val', dataset_info = None, need_label = False): | ||
self.root = root | ||
self.list_path = list_path | ||
self.crop_size = crop_size | ||
self.ignore_label = ignore_label | ||
# self.mean_bgr = np.array([104.00698793, 116.66876762, 122.67891434]) | ||
self.img_ids = [i_id.strip() for i_id in open(list_path)] | ||
if not max_iters==None: | ||
self.img_ids = self.img_ids * int(np.ceil(float(max_iters) / len(self.img_ids))) | ||
self.files = [] | ||
self.set = set | ||
self.transform = transform | ||
self.need_label = True | ||
with open('./dataset/cityscapes_list/info.json', 'r') as fp: | ||
dataset_info = json.load(fp) | ||
self.mapping = np.array(dataset_info['label2train'], dtype=np.int) | ||
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# for split in ["train", "trainval", "val"]: | ||
for name in self.img_ids: | ||
name = name.split(" ")[0] | ||
img_file = osp.join(self.root, "leftImg8bit/%s/%s" % (self.set, name)) | ||
lbl_name = "_".join(name.split("_")[:-1]) + "_gtFine_labelIds.png" | ||
lbl_file = osp.join(self.root, "gtFine/%s/%s"%(self.set, lbl_name)) | ||
self.files.append({ | ||
"img": img_file, | ||
"name": name, | ||
"label": lbl_file | ||
}) | ||
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def __len__(self): | ||
return len(self.files) | ||
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def __getitem__(self, index): | ||
datafiles = self.files[index] | ||
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image = Image.open(datafiles["img"]).convert('RGB') | ||
name = datafiles["name"] | ||
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if self.need_label == True: | ||
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label = np.zeros((560, 480), dtype=np.uint8) | ||
label = Image.fromarray(label) | ||
if self.transform: | ||
image, label = self.transform(image, label) | ||
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return image, label, name | ||
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{ | ||
"classes":19, | ||
"label2train":[ | ||
[0, 255], | ||
[1, 255], | ||
[2, 255], | ||
[3, 255], | ||
[4, 255], | ||
[5, 255], | ||
[6, 255], | ||
[7, 0], | ||
[8, 1], | ||
[9, 255], | ||
[10, 255], | ||
[11, 2], | ||
[12, 3], | ||
[13, 4], | ||
[14, 255], | ||
[15, 255], | ||
[16, 255], | ||
[17, 5], | ||
[18, 255], | ||
[19, 6], | ||
[20, 7], | ||
[21, 8], | ||
[22, 9], | ||
[23, 10], | ||
[24, 11], | ||
[25, 12], | ||
[26, 13], | ||
[27, 14], | ||
[28, 15], | ||
[29, 255], | ||
[30, 255], | ||
[31, 16], | ||
[32, 17], | ||
[33, 18], | ||
[-1, 255]], | ||
"label":[ | ||
"road", | ||
"sidewalk", | ||
"building", | ||
"wall", | ||
"fence", | ||
"pole", | ||
"light", | ||
"sign", | ||
"vegetation", | ||
"terrain", | ||
"sky", | ||
"person", | ||
"rider", | ||
"car", | ||
"truck", | ||
"bus", | ||
"train", | ||
"motocycle", | ||
"bicycle"], | ||
"palette":[ | ||
[128,64,128], | ||
[244,35,232], | ||
[70,70,70], | ||
[102,102,156], | ||
[190,153,153], | ||
[153,153,153], | ||
[250,170,30], | ||
[220,220,0], | ||
[107,142,35], | ||
[152,251,152], | ||
[70,130,180], | ||
[220,20,60], | ||
[255,0,0], | ||
[0,0,142], | ||
[0,0,70], | ||
[0,60,100], | ||
[0,80,100], | ||
[0,0,230], | ||
[119,11,32], | ||
[0,0,0]], | ||
"mean":[ | ||
73.158359210711552, | ||
82.908917542625858, | ||
72.392398761941593], | ||
"std":[ | ||
47.675755341814678, | ||
48.494214368814916, | ||
47.736546325441594] | ||
} |
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