Permanently prints things on the screen

A major difference of DINO from DN-DETR is that the author process pattern embedding pattern embedding in its detector forward functi

This function disables printing when not in master process

Initialize the detectron2 logger and set its verbosity level to "INFO". Args: output (str): a file name or a directory to save log.

Loss used in RetinaNet for dense detection: https://arxiv.org/abs/1708.02002. Args: inputs: A float tensor of arbitrary shape.

modified from shutil.copytree without copystat. Recursively copy a directory tree. The destination directory must not already exist

Load data from json/yaml/pickle files. This method provides a unified api for loading data from serialized files. Args: file (str or

Transform the Box object into a JSON string. :param filename: If provided will save to file :param encoding: File encoding

Transform the Box object into a YAML string. :param filename: If provided will save to file :param default_flow

Args: windows: (num_windows*B, window_size, window_size, C) window_size (int): Window size H (int): Height of image