utils_cv/tracking/references/fairmot/datasets/dataset/jde.py [363:397]:
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        for ds, path in paths.items():
            with open(path, 'r') as file:
                self.img_files[ds] = file.readlines()
                self.img_files[ds] = [osp.join(root, x.strip()) for x in self.img_files[ds]]
                self.img_files[ds] = list(filter(lambda x: len(x) > 0, self.img_files[ds]))

            self.label_files[ds] = [
                x.replace('images', 'labels_with_ids').replace('.png', '.txt').replace('.jpg', '.txt')
                for x in self.img_files[ds]]

        for ds, label_paths in self.label_files.items():
            max_index = -1
            for lp in label_paths:
                lb = np.loadtxt(lp)
                if len(lb) < 1:
                    continue
                if len(lb.shape) < 2:
                    img_max = lb[1]
                else:
                    img_max = np.max(lb[:, 1])
                if img_max > max_index:
                    max_index = img_max
            self.tid_num[ds] = max_index + 1

        last_index = 0
        for i, (k, v) in enumerate(self.tid_num.items()):
            self.tid_start_index[k] = last_index
            last_index += v

        self.nID = int(last_index + 1)
        self.nds = [len(x) for x in self.img_files.values()]
        self.cds = [sum(self.nds[:i]) for i in range(len(self.nds))]
        self.nF = sum(self.nds)
        self.width = img_size[0]
        self.height = img_size[1]
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utils_cv/tracking/references/fairmot/datasets/dataset/jde.py [474:508]:
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        for ds, path in paths.items():
            with open(path, 'r') as file:
                self.img_files[ds] = file.readlines()
                self.img_files[ds] = [osp.join(root, x.strip()) for x in self.img_files[ds]]
                self.img_files[ds] = list(filter(lambda x: len(x) > 0, self.img_files[ds]))

            self.label_files[ds] = [
                x.replace('images', 'labels_with_ids').replace('.png', '.txt').replace('.jpg', '.txt')
                for x in self.img_files[ds]]

        for ds, label_paths in self.label_files.items():
            max_index = -1
            for lp in label_paths:
                lb = np.loadtxt(lp)
                if len(lb) < 1:
                    continue
                if len(lb.shape) < 2:
                    img_max = lb[1]
                else:
                    img_max = np.max(lb[:, 1])
                if img_max > max_index:
                    max_index = img_max
            self.tid_num[ds] = max_index + 1

        last_index = 0
        for i, (k, v) in enumerate(self.tid_num.items()):
            self.tid_start_index[k] = last_index
            last_index += v

        self.nID = int(last_index + 1)
        self.nds = [len(x) for x in self.img_files.values()]
        self.cds = [sum(self.nds[:i]) for i in range(len(self.nds))]
        self.nF = sum(self.nds)
        self.width = img_size[0]
        self.height = img_size[1]
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