IMG_CONTEXT_TOKEN = '<IMG_CONTEXT>'
IMG_START_TOKEN = '<img>'
IMG_END_TOKEN = '</img>'
PHRASE_START_TOKEN = '<p>'
PHRASE_END_TOKEN = '</p>'
SEG_TOKEN = '[SEG{id}]'
CLS_TOKEN = '[CLS]'
BG_CLS_TOKEN = '[BG_CLS]'
# PROPOSAL_TOKENS = [f'[SEG{str(i).zfill(3)}]' for i in range(300)]
OBJ_START_TOKEN = '<obj>'
OBJ_END_TOKEN = '</obj>'
OBJ_CONTEXT_TOKEN = '<OBJ_CONTEXT>'
DEFAULT_OBJ_TOKEN = '<obj_tokens>'