import json import logging import os import torch from datasets import Dataset as HFDataset from datasets import DatasetDict, load_from_disk from mmengine import print_log from mmengine.config import Config, ConfigDict from PIL import Image from torch.utils.data import Dataset from pycocotools import mask import numpy as np import torch.nn.functional as F from xtuner.registry import BUILDER from omg_llava.dataset.utils import expand2square, expand2square_mask, expand2square_points from xtuner.dataset.huggingface import process_hf_dataset import copy class MDPVPointDetailedCaptionDataset(Dataset): def __init__(self, image_folder, image_processor, data_path=None, tokenizer=None, offline_processed_text_folder=None, max_dataset_length=None, dataset_map_fn=None, template_map_fn=None, max_length=2048, pad_image_to_square=False, num_proc=32, debug=False, repeats=1): super().__init__() assert offline_processed_text_folder or (data_path and tokenizer) self.debug = debug if offline_processed_text_folder and data_path: print_log( 'Both `offline_processed_text_folder` and ' '`data_path` are set, and we load dataset from' '`offline_processed_text_folder` ' f'({offline_processed_text_folder})', logger='current', level=logging.WARNING) if offline_processed_text_folder is not None: raise NotImplementedError else: json_data = self.json_file_preprocess(data_path) self.json_data = json_data hf_json_data = self.filter_hf_require_infos(json_data) hf_json_data = DatasetDict({'train': HFDataset.from_list(hf_json_data)}) self.text_data = process_hf_dataset( dataset=hf_json_data, tokenizer=tokenizer, max_length=max_length, dataset_map_fn=dataset_map_fn, template_map_fn=template_map_fn, split='train', max_dataset_length=max_dataset_length, remove_unused_columns=False, pack_to_max_length=False, with_image_token=True, map_num_proc=num_proc, # because limited mem ) self.image_folder = image_folder size = image_processor.crop_size if isinstance(size, int): self.image_h, self.image_w = size, size else: self.image_w, self.image_h = size if isinstance(image_processor, dict) or isinstance( image_processor, Config) or isinstance(image_processor, ConfigDict): self.image_processor = BUILDER.build(image_processor) else: self.image_processor = image_processor self.pad_image_to_square = pad_image_to_square self.down_ratio = 1 self.repeats = repeats def filter_hf_require_infos(self, dataset_infos): ret = [] for dataset_info in dataset_infos: conversations = dataset_info["conversations"] image = dataset_info['image'].split('/')[-1] num_marks = len(dataset_info['points']) required_info = {'image': image, 'conversations': conversations, 'num_marks': num_marks} ret.append(required_info) return ret def json_file_preprocess(self, data_path): with open(data_path, 'r') as f: json_file = json.load(f) if self.debug: json_file = json_file[:10000] return json_file @property def modality_length(self): length_list = [] for data_dict in self.text_data: cur_len = len(data_dict['input_ids']) if data_dict.get('image', None) is None: cur_len = -cur_len length_list.append(cur_len) length_list = length_list * self.repeats return length_list def __len__(self): return len(self.text_data) * self.repeats def real_len(self): return len(self.text_data) def decode_mask(self, object_masks, ori_height, ori_width): binary_masks = [] for object_mask in object_masks: binary_mask = np.zeros((ori_height, ori_width), dtype=np.uint8) for seg in object_mask: rles = mask.frPyObjects([seg], ori_height, ori_width) m = mask.decode(rles) m = m.astype(np.uint8) binary_mask += m.squeeze() binary_masks.append(binary_mask) if len(binary_masks) == 0: return None masks = np.stack(binary_masks, axis=0) if self.pad_image_to_square: masks = expand2square_mask(masks) masks = torch.from_numpy(masks) masks = F.interpolate(masks.unsqueeze(0), size=(self.image_h // self.down_ratio, self.image_w // self.down_ratio), mode='nearest').squeeze(0) return masks def __getitem__(self, index): index = index % self.real_len() data_dict = copy.deepcopy(self.json_data[index]) data_dict.update(self.text_data[index]) if data_dict.get('image', None) is not None: image_file = data_dict['image'] image_path = os.path.join(self.image_folder, image_file) if not os.path.exists(image_path) and "VG" in self.image_folder: image_path = os.path.join(self.image_folder + "_2", image_file) image = Image.open(image_path).convert('RGB') ori_width, ori_height = image.size if self.pad_image_to_square: image = expand2square( image, tuple( int(x * 255) for x in self.image_processor.image_mean)) image = self.image_processor.preprocess( image, return_tensors='pt')['pixel_values'][0] data_dict['pixel_values'] = image # process and get masks points = data_dict["points"] points = np.array(points) if self.pad_image_to_square: points = expand2square_points(points, height=ori_height, width=ori_width) points[:, 0] = points[:, 0] / max(ori_height, ori_width) * self.image_w points[:, 1] = points[:, 1] / max(ori_height, ori_width) * self.image_h else: points[:, 0] = points[:, 0] / ori_width * self.image_w points[:, 1] = points[:, 1] / ori_height * self.image_h data_dict['points'] = torch.from_numpy(points) if data_dict['points'] is None: return self.__getitem__(0) data_dict['masks'] = None data_dict['regions'] = None else: if hasattr(self.image_processor, 'crop_size'): crop_size = self.image_processor.crop_size else: crop_size = self.image_processor.size data_dict['pixel_values'] = torch.zeros(3, crop_size['height'], crop_size['width']) data_dict['masks'] = None data_dict['regions'] = None data_dict['points'] = None return data_dict class MDPVPointBriefCaptionDataset(MDPVPointDetailedCaptionDataset): def __init__(self, image_folder, image_processor, data_path=None, tokenizer=None, offline_processed_text_folder=None, max_dataset_length=None, dataset_map_fn=None, template_map_fn=None, max_length=2048, pad_image_to_square=False, num_proc=32, debug=False, repeats=1): super().__init__( image_folder=image_folder, image_processor=image_processor, data_path=data_path, tokenizer=tokenizer, offline_processed_text_folder=offline_processed_text_folder, max_dataset_length=max_dataset_length, dataset_map_fn=dataset_map_fn, template_map_fn=template_map_fn, max_length=max_length, pad_image_to_square=pad_image_to_square, num_proc=num_proc, debug=debug, repeats=repeats )