anas
Initial deployment of Raster2Seq floor plan vectorization API
fadb92b
import copy
import json
import os
from collections import defaultdict
import numpy as np
import torch
import torch.multiprocessing
import torch.utils.data
import torchvision.transforms.functional as F
from PIL import Image
from torch.utils.data import Dataset
from util.data_utils import l1_dist
from util.graph_utils import graph_to_tensor
from util.image_id_dict import d
from util.mean_std import mean, std
from util.semantics_dict import semantics_dict
torch.multiprocessing.set_sharing_strategy("file_system")
class MyDataset(Dataset):
def __init__(self, img_path, annot_path, extract_roi, image_size=512):
self.img_path = img_path
self.quadtree_path = "/".join(img_path.split("/")[:-1]) + "/annot_npy"
self.mode = img_path.split("/")[-1]
self.image_size = image_size
# load annotation
with open(annot_path, "r") as f:
dataset = json.load(f)
# images
self.imgs = {}
for img in dataset["images"]:
self.imgs[img["id"]] = img
self.imgToAnns = defaultdict(list)
for ann in dataset["annotations"]:
self.imgToAnns[ann["image_id"]].append(ann)
self.ids = list(sorted(self.imgs.keys()))
if "0c-10-c468a57377ff8ef63d3b26a6d1fa-0002" in self.ids:
self.ids.remove("0c-10-c468a57377ff8ef63d3b26a6d1fa-0002")
if "0c-10-8486f08035ba152d5244ac54099c-0001" in self.ids:
self.ids.remove("0c-10-8486f08035ba152d5244ac54099c-0001")
def __getitem__(self, index):
img_id = self.ids[index]
img_file_name = self.imgs[img_id]["file_name"].replace(".jpg", ".png")
img = Image.open(os.path.join(self.img_path, img_file_name)).convert("RGB")
image_scale = self.image_size / img.size[0]
if img.size[0] != self.image_size or img.size[1] != self.image_size:
img = img.resize((self.image_size, self.image_size), Image.BILINEAR)
if 1:
# get structure annotations
anns = self.imgToAnns[img_id]
new_anns = []
for ann in anns:
new_ann = copy.deepcopy(ann)
new_ann["point"] = [int(ann["point"][0] * image_scale), int(ann["point"][1] * image_scale)]
new_anns.append(new_ann)
target = {"image_id": img_id, "annotations": new_anns}
orig_quadtree = np.load(
os.path.join(self.quadtree_path, img_file_name[:-4] + ".npy"), allow_pickle=True
).item()["quatree"][0]
quadtree = {}
for k, v in orig_quadtree.items():
new_k = k
new_v = []
for pos in v:
new_pos = (int(pos[0] * image_scale), int(pos[1] * image_scale))
new_v.append(new_pos)
quadtree[new_k] = new_v
orig_graph = np.load(
os.path.join(self.quadtree_path, img_file_name[:-4] + ".npy"), allow_pickle=True
).item()
del orig_graph["quatree"]
new_graph = {}
for k, v in orig_graph.items():
new_k = (int(k[0] * image_scale), int(k[1] * image_scale))
new_v = []
for adj in v:
if adj == (-1, -1):
new_v.append((-1, -1))
else:
new_v.append((int(adj[0] * image_scale), int(adj[1] * image_scale)))
new_graph[new_k] = new_v
target_layers = []
for layer, layer_points in quadtree.items():
target_layer = []
for layer_point in layer_points:
for target_i in target["annotations"]:
if l1_dist(target_i["point"], list(layer_point)) <= 2:
target_layer.append(target_i)
break
target_layers.extend(target_layer)
layer_indices = []
count = 0
for k, v in quadtree.items():
if k == 0:
layer_indices.append(0)
else:
layer_indices.append(count)
count += len(v)
image_id = torch.tensor([d[img_id]])
points = [obj["point"] for obj in target_layers]
points = torch.as_tensor(points, dtype=torch.int64).reshape(-1, 2)
edges = [obj["edge_code"] for obj in target_layers]
edges = torch.tensor(edges, dtype=torch.int64)
# get semantic annotations
semantic_left_up = [semantics_dict[obj["semantic"][0]] for obj in target_layers]
semantic_right_up = [semantics_dict[obj["semantic"][1]] for obj in target_layers]
semantic_right_down = [semantics_dict[obj["semantic"][2]] for obj in target_layers]
semantic_left_down = [semantics_dict[obj["semantic"][3]] for obj in target_layers]
semantic_left_up = torch.tensor(semantic_left_up, dtype=torch.int64)
semantic_right_up = torch.tensor(semantic_right_up, dtype=torch.int64)
semantic_right_down = torch.tensor(semantic_right_down, dtype=torch.int64)
semantic_left_down = torch.tensor(semantic_left_down, dtype=torch.int64)
# annotations
target = {}
target["edges"] = edges
target["file_name"] = img_file_name
target["image_id"] = image_id
target["size"] = torch.as_tensor([img.size[1], img.size[0]])
target["semantic_left_up"] = semantic_left_up
target["semantic_right_up"] = semantic_right_up
target["semantic_right_down"] = semantic_right_down
target["semantic_left_down"] = semantic_left_down
# get image
img = F.to_tensor(img)
img = F.normalize(img, mean=mean, std=std)
target["unnormalized_points"] = points
# normalize
points = points / torch.tensor([img.shape[2], img.shape[1]], dtype=torch.float32)
target["points"] = points
target["layer_indices"] = torch.tensor(layer_indices)
target["graph"] = graph_to_tensor(new_graph)
return img, target
def __len__(self):
return len(self.ids)
class MyDataset2(Dataset):
def __init__(self, img_path, annot_path, extract_roi, disable_sem_info=False):
self.disable_sem_info = disable_sem_info
self.img_path = img_path
self.quadtree_path = "/".join(img_path.split("/")[:-1]) + "/annotations_npy/" + img_path.split("/")[-1]
self.edgecode_path = "/".join(img_path.split("/")[:-1]) + "/annotations_edge/" + img_path.split("/")[-1]
self.mode = img_path.split("/")[-1]
available_ids = {int(x.replace(".npy", "")) for x in os.listdir(self.quadtree_path)}
# load annotation
with open(annot_path, "r") as f:
dataset = json.load(f)
# images
self.imgs = {}
for img in dataset["images"]:
if img["id"] not in available_ids:
continue
self.imgs[img["id"]] = img
self.imgToAnns = defaultdict(list)
for ann in dataset["annotations"]:
if ann["image_id"] not in available_ids:
continue
self.imgToAnns[ann["image_id"]].append(ann)
self.ids = list(sorted(self.imgs.keys()))
def __getitem__(self, index):
img_id = self.ids[index]
img_file_name = self.imgs[int(img_id)]["file_name"]
img = Image.open(os.path.join(self.img_path, img_file_name)).convert("RGB")
if 1:
# get structure annotations
# anns = self.imgToAnns[int(img_id)]
data = np.load(os.path.join(self.quadtree_path, img_file_name[:-4] + ".npy"), allow_pickle=True).item()
orig_quadtree = data["quadtree"]
orig_graph = data["graph"]
image_points = data["points"]
new_anns = []
for pt in image_points:
new_ann = {
"point": [int(pt[0]), int(pt[1])],
}
new_anns.append(new_ann)
target = {"image_id": img_id, "annotations": new_anns}
quadtree = {}
for k, v in orig_quadtree.items():
new_k = k
new_v = []
for pos in v:
new_pos = (int(pos[0]), int(pos[1]))
new_v.append(new_pos)
quadtree[new_k] = new_v
new_graph = {}
for k, v in orig_graph.items():
new_k = (int(k[0]), int(k[1]))
new_v = []
for adj in v:
if adj == (-1, -1):
new_v.append((-1, -1))
else:
new_v.append((int(adj[0]), int(adj[1])))
new_graph[new_k] = new_v
target_layers = []
for layer, layer_points in quadtree.items():
target_layer = []
for layer_point in layer_points:
for target_i in target["annotations"]:
if l1_dist(target_i["point"], list(layer_point)) <= 2:
target_layer.append(target_i)
break
target_layers.extend(target_layer)
layer_indices = []
count = 0
for k, v in quadtree.items():
if k == 0:
layer_indices.append(0)
else:
layer_indices.append(count)
count += len(v)
image_id = torch.tensor([int(img_id)])
points = [obj["point"] for obj in target_layers]
with open(os.path.join(self.edgecode_path, img_file_name[:-4] + ".json"), "r") as f:
edge2code = json.load(f)
edge2code = {
tuple(map(lambda x: int(float(x)), key.strip("()").split(", "))): value
for key, value in edge2code.items()
}
edges = [edge2code[(int(pt[0]), int(pt[1]))] for pt in points]
points = torch.as_tensor(points, dtype=torch.int64).reshape(-1, 2)
edges = torch.tensor(edges, dtype=torch.int64)
# annotations
target = {}
target["edges"] = edges
target["image_id"] = image_id
target["file_name"] = img_file_name
target["size"] = torch.as_tensor([img.size[1], img.size[0]])
# get semantic annotations
if not self.disable_sem_info:
semantic_left_up = [semantics_dict[obj["semantic"][0]] for obj in target_layers]
semantic_right_up = [semantics_dict[obj["semantic"][1]] for obj in target_layers]
semantic_right_down = [semantics_dict[obj["semantic"][2]] for obj in target_layers]
semantic_left_down = [semantics_dict[obj["semantic"][3]] for obj in target_layers]
semantic_left_up = torch.tensor(semantic_left_up, dtype=torch.int64)
semantic_right_up = torch.tensor(semantic_right_up, dtype=torch.int64)
semantic_right_down = torch.tensor(semantic_right_down, dtype=torch.int64)
semantic_left_down = torch.tensor(semantic_left_down, dtype=torch.int64)
target["semantic_left_up"] = semantic_left_up
target["semantic_right_up"] = semantic_right_up
target["semantic_right_down"] = semantic_right_down
target["semantic_left_down"] = semantic_left_down
# get image
img = F.to_tensor(img)
img = F.normalize(img, mean=mean, std=std)
target["unnormalized_points"] = points
# normalize
points = points / torch.tensor([img.shape[2], img.shape[1]], dtype=torch.float32)
target["points"] = points
target["layer_indices"] = torch.tensor(layer_indices)
# padding (-1,-1) if not enough 4 neighbors
for pt, neighbors in new_graph.items():
if len(neighbors) < 4:
new_graph[pt].extend([(-1, -1)] * (4 - len(neighbors)))
elif len(neighbors) > 4:
new_graph[pt] = neighbors[:4]
target["graph"] = graph_to_tensor(new_graph)
return img, target
def __len__(self):
return len(self.ids)