temp commit

data/dataset/__init__.py

@@ -0,0 +1,3 @@
+from util.misc import import_submodules
+
+__all__ = import_submodules(__name__).keys()

data/dataset/few-shot.py

@@ -0,0 +1,63 @@
+from collections import defaultdict
+
+import torch
+from torch.utils.data import Dataset
+from torchvision.datasets import ImageFolder
+
+from data.registry import DATASET
+from data.transform import transform_pipeline
+
+
+@DATASET.register_module()
+class ImprovedImageFolder(ImageFolder):
+    def __init__(self, root, pipeline):
+        super().__init__(root, transform_pipeline(pipeline), loader=lambda x: x)
+        self.classes_list = defaultdict(list)
+        self.essential_attr = ["classes_list"]
+        for i in range(len(self)):
+            self.classes_list[self.samples[i][-1]].append(i)
+        assert len(self.classes_list) == len(self.classes)
+
+
+class EpisodicDataset(Dataset):
+    def __init__(self, origin_dataset, num_class, num_query, num_support, num_episodes):
+        self.origin = origin_dataset
+        self.num_class = num_class
+        assert self.num_class < len(self.origin.classes_list)
+        self.num_query = num_query  # K
+        self.num_support = num_support  # K
+        self.num_episodes = num_episodes
+
+    def _fetch_list_data(self, id_list):
+        return [self.origin[i][0] for i in id_list]
+
+    def __len__(self):
+        return self.num_episodes
+
+    def __getitem__(self, _):
+        random_classes = torch.randperm(len(self.origin.classes_list))[:self.num_class].tolist()
+        support_set = []
+        query_set = []
+        target_set = []
+        for tag, c in enumerate(random_classes):
+            image_list = self.origin.classes_list[c]
+
+            if len(image_list) >= self.num_query + self.num_support:
+                # have enough images belong to this class
+                idx_list = torch.randperm(len(image_list))[:self.num_query + self.num_support].tolist()
+            else:
+                idx_list = torch.randint(high=len(image_list), size=(self.num_query + self.num_support,)).tolist()
+
+            support = self._fetch_list_data(map(image_list.__getitem__, idx_list[:self.num_support]))
+            query = self._fetch_list_data(map(image_list.__getitem__, idx_list[self.num_support:]))
+            support_set.extend(support)
+            query_set.extend(query)
+            target_set.extend([tag] * self.num_query)
+        return {
+            "support": torch.stack(support_set),
+            "query": torch.stack(query_set),
+            "target": torch.tensor(target_set)
+        }
+
+    def __repr__(self):
+        return f"<EpisodicDataset NE{self.num_episodes} NC{self.num_class} NS{self.num_support} NQ{self.num_query}>"

data/dataset/image_translation.py

@@ -0,0 +1,62 @@
+import os
+
+import torch
+from torch.utils.data import Dataset
+from torchvision.datasets.folder import has_file_allowed_extension, IMG_EXTENSIONS
+
+from data.registry import DATASET
+from data.transform import transform_pipeline
+
+
+@DATASET.register_module()
+class SingleFolderDataset(Dataset):
+    def __init__(self, root, pipeline, with_path=False):
+        assert os.path.isdir(root)
+        self.root = root
+        samples = []
+        for r, _, fns in sorted(os.walk(self.root, followlinks=True)):
+            for fn in sorted(fns):
+                path = os.path.join(r, fn)
+                if has_file_allowed_extension(path, IMG_EXTENSIONS):
+                    samples.append(path)
+        self.samples = samples
+        self.pipeline = transform_pipeline(pipeline)
+        self.with_path = with_path
+
+    def __len__(self):
+        return len(self.samples)
+
+    def __getitem__(self, idx):
+        output = dict(img=self.pipeline(self.samples[idx]))
+        if self.with_path:
+            output["path"] = self.samples[idx]
+        return output
+
+    def __repr__(self):
+        return f"<SingleFolderDataset root={self.root} len={len(self)} with_path={self.with_path}>"
+
+
+@DATASET.register_module()
+class GenerationUnpairedDataset(Dataset):
+    def __init__(self, root_a, root_b, random_pair, pipeline, with_path=False):
+        self.A = SingleFolderDataset(root_a, pipeline, with_path)
+        self.B = SingleFolderDataset(root_b, pipeline, with_path)
+        self.with_path = with_path
+        self.random_pair = random_pair
+
+    def __getitem__(self, idx):
+        a_idx = idx % len(self.A)
+        b_idx = idx % len(self.B) if not self.random_pair else torch.randint(len(self.B), (1,)).item()
+        output_a = self.A[a_idx]
+        output_b = self.B[b_idx]
+        output = dict(a=output_a["img"], b=output_b["img"])
+        if self.with_path:
+            output["a_path"] = output_a["path"]
+            output["b_path"] = output_b["path"]
+        return output
+
+    def __len__(self):
+        return max(len(self.A), len(self.B))
+
+    def __repr__(self):
+        return f"<GenerationUnpairedDataset:\n\tA: {self.A}\n\tB: {self.B}>\nPipeline:\n{self.A.pipeline}"

data/dataset/lmdb.py

@@ -0,0 +1,65 @@
+import os
+import pickle
+
+import lmdb
+from torch.utils.data import Dataset
+from tqdm import tqdm
+
+from data.transform import transform_pipeline
+
+
+def default_transform_way(transform, sample):
+    return [transform(sample[0]), *sample[1:]]
+
+
+class LMDBDataset(Dataset):
+    def __init__(self, lmdb_path, pipeline=None, transform_way=default_transform_way, map_size=2 ** 40, readonly=True,
+                 **lmdb_kwargs):
+        self.path = lmdb_path
+        self.db = lmdb.open(lmdb_path, subdir=os.path.isdir(lmdb_path), map_size=map_size, readonly=readonly,
+                            lock=False, **lmdb_kwargs)
+
+        with self.db.begin(write=False) as txn:
+            self._len = pickle.loads(txn.get(b"$$len$$"))
+            self.done_pipeline = pickle.loads(txn.get(b"$$done_pipeline$$"))
+            if pipeline is None:
+                self.not_done_pipeline = []
+            else:
+                self.not_done_pipeline = self._remain_pipeline(pipeline)
+            self.transform = transform_pipeline(self.not_done_pipeline)
+            self.transform_way = transform_way
+            essential_attr = pickle.loads(txn.get(b"$$essential_attr$$"))
+            for ea in essential_attr:
+                setattr(self, ea, pickle.loads(txn.get(f"${ea}$".encode(encoding="utf-8"))))
+
+    def _remain_pipeline(self, pipeline):
+        for i, dp in enumerate(self.done_pipeline):
+            if pipeline[i] != dp:
+                raise ValueError(
+                    f"pipeline {self.done_pipeline} saved in this lmdb database is not match with pipeline:{pipeline}")
+        return pipeline[len(self.done_pipeline):]
+
+    def __repr__(self):
+        return f"LMDBDataset: {self.path}\nlength: {len(self)}\n{self.transform}"
+
+    def __len__(self):
+        return self._len
+
+    def __getitem__(self, idx):
+        with self.db.begin(write=False) as txn:
+            sample = pickle.loads(txn.get("{}".format(idx).encode()))
+            sample = self.transform_way(self.transform, sample)
+            return sample
+
+    @staticmethod
+    def lmdbify(dataset, done_pipeline, lmdb_path):
+        env = lmdb.open(lmdb_path, map_size=2 ** 40, subdir=os.path.isdir(lmdb_path))
+        with env.begin(write=True) as txn:
+            for i in tqdm(range(len(dataset)), ncols=0):
+                txn.put("{}".format(i).encode(), pickle.dumps(dataset[i]))
+            txn.put(b"$$len$$", pickle.dumps(len(dataset)))
+            txn.put(b"$$done_pipeline$$", pickle.dumps(done_pipeline))
+            essential_attr = getattr(dataset, "essential_attr", list())
+            txn.put(b"$$essential_attr$$", pickle.dumps(essential_attr))
+            for ea in essential_attr:
+                txn.put(f"${ea}$".encode(encoding="utf-8"), pickle.dumps(getattr(dataset, ea)))

data/dataset/pose_transfer.py

@@ -0,0 +1,122 @@
+from collections import defaultdict
+from itertools import permutations, combinations
+from pathlib import Path
+
+import torch
+from PIL import Image
+from torch.utils.data import Dataset
+from torchvision.transforms import functional as F
+
+from data.registry import DATASET
+from data.transform import transform_pipeline
+from data.util import dlib_landmark
+
+
+def normalize_tensor(tensor):
+    tensor = tensor.float()
+    tensor -= tensor.min()
+    tensor /= tensor.max()
+    return tensor
+
+
+@DATASET.register_module()
+class GenerationUnpairedDatasetWithEdge(Dataset):
+    def __init__(self, root_a, root_b, random_pair, pipeline, edge_type, edges_path, landmarks_path, size=(256, 256),
+                 with_path=False):
+        assert edge_type in ["hed", "canny", "landmark_hed", "landmark_canny"]
+        self.edge_type = edge_type
+        self.size = size
+        self.edges_path = Path(edges_path)
+        self.landmarks_path = Path(landmarks_path)
+        assert self.edges_path.exists()
+        assert self.landmarks_path.exists()
+        self.A = SingleFolderDataset(root_a, pipeline, with_path=True)
+        self.B = SingleFolderDataset(root_b, pipeline, with_path=True)
+        self.random_pair = random_pair
+        self.with_path = with_path
+
+    def get_edge(self, origin_path):
+        op = Path(origin_path)
+        if self.edge_type.startswith("landmark_"):
+            edge_type = self.edge_type.lstrip("landmark_")
+            use_landmark = op.parent.name.endswith("A")
+        else:
+            edge_type = self.edge_type
+            use_landmark = False
+        edge_path = self.edges_path / f"{op.parent.name}/{op.stem}.{edge_type}.png"
+        origin_edge = F.to_tensor(Image.open(edge_path).resize(self.size, Image.BILINEAR))
+        if not use_landmark:
+            return origin_edge
+        else:
+            landmark_path = self.landmarks_path / f"{op.parent.name}/{op.stem}.txt"
+            key_points, part_labels, part_edge = dlib_landmark.read_keypoints(landmark_path, size=self.size)
+
+            dist_tensor = normalize_tensor(torch.from_numpy(dlib_landmark.dist_tensor(key_points, size=self.size)))
+            part_labels = normalize_tensor(torch.from_numpy(part_labels))
+            part_edge = torch.from_numpy(part_edge).unsqueeze(0).float()
+            # edges = origin_edge * (part_labels.sum(0) == 0)  # remove edges within face
+            # edges = part_edge + edges
+            return torch.cat([origin_edge, part_edge, dist_tensor, part_labels])
+
+    def __getitem__(self, idx):
+        a_idx = idx % len(self.A)
+        b_idx = idx % len(self.B) if not self.random_pair else torch.randint(len(self.B), (1,)).item()
+        output = dict(a={}, b={})
+        output["a"]["img"], output["a"]["path"] = self.A[a_idx]
+        output["b"]["img"], output["b"]["path"] = self.B[b_idx]
+        for p in "ab":
+            output[p]["edge"] = self.get_edge(output[p]["path"])
+        return output
+
+    def __len__(self):
+        return max(len(self.A), len(self.B))
+
+    def __repr__(self):
+        return f"<GenerationUnpairedDatasetWithEdge:\n\tA: {self.A}\n\tB: {self.B}>\nPipeline:\n{self.A.pipeline}"
+
+
+@DATASET.register_module()
+class PoseFacesWithSingleAnime(Dataset):
+    def __init__(self, root_face, root_anime, landmark_path, num_face, face_pipeline, anime_pipeline, img_size,
+                 with_order=True):
+        self.num_face = num_face
+        self.landmark_path = Path(landmark_path)
+        self.with_order = with_order
+        self.root_face = Path(root_face)
+        self.root_anime = Path(root_anime)
+        self.img_size = img_size
+        self.face_samples = self.iter_folders()
+        self.face_pipeline = transform_pipeline(face_pipeline)
+        self.B = SingleFolderDataset(root_anime, anime_pipeline, with_path=True)
+
+    def iter_folders(self):
+        pics_per_person = defaultdict(list)
+        for p in self.root_face.glob("*.jpg"):
+            pics_per_person[p.stem[:7]].append(p.stem)
+        data = []
+        for p in pics_per_person:
+            if len(pics_per_person[p]) >= self.num_face:
+                if self.with_order:
+                    data.extend(list(combinations(pics_per_person[p], self.num_face)))
+                else:
+                    data.extend(list(permutations(pics_per_person[p], self.num_face)))
+        return data
+
+    def read_pose(self, pose_txt):
+        key_points, part_labels, part_edge = dlib_landmark.read_keypoints(pose_txt, size=self.img_size)
+        dist_tensor = normalize_tensor(torch.from_numpy(dlib_landmark.dist_tensor(key_points, size=self.img_size)))
+        part_labels = normalize_tensor(torch.from_numpy(part_labels))
+        part_edge = torch.from_numpy(part_edge).unsqueeze(0).float()
+        return torch.cat([part_labels, part_edge, dist_tensor])
+
+    def __len__(self):
+        return len(self.face_samples)
+
+    def __getitem__(self, idx):
+        output = dict()
+        output["anime_img"], output["anime_path"] = self.B[torch.randint(len(self.B), (1,)).item()]
+        for i, f in enumerate(self.face_samples[idx]):
+            output[f"face_{i}"] = self.face_pipeline(self.root_face / f"{f}.jpg")
+            output[f"pose_{i}"] = self.read_pose(self.landmark_path / self.root_face.name / f"{f}.txt")
+            output[f"stem_{i}"] = f
+        return output