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# -*- coding: utf-8 -*-
# Copyright (c) Facebook, Inc. and its affiliates.
from detectron2.config import CfgNode as CN
def add_tridentnet_config(cfg):
"""
Add config for tridentnet.
"""
_C = cfg
_C.MODEL.TRIDENT = CN()
# Number of branches for TridentNet.
_C.MODEL.TRIDENT.NUM_BRANCH = 3
# Specify the dilations for each branch.
_C.MODEL.TRIDENT.BRANCH_DILATIONS = [1, 2, 3]
# Specify the stage for applying trident blocks. Default stage is Res4 according to the
# TridentNet paper.
_C.MODEL.TRIDENT.TRIDENT_STAGE = "res4"
# Specify the test branch index TridentNet Fast inference:
# - use -1 to aggregate results of all branches during inference.
# - otherwise, only using specified branch for fast inference. Recommended setting is
# to use the middle branch.
_C.MODEL.TRIDENT.TEST_BRANCH_IDX = 1