demo_config={

    "small_size":256,
    "large_size":1024,
    
    "db_mode":'small',  # 'small','large','both'
    "fr_mode":'both',   # 'small','large','both'

    "a_thres":0.6
}
user_config={
    "small_size":544,
    "large_size":2080,
    
    "db_mode":'small',  # 'small','large','both'
    "fr_mode":'both',   # 'small','large','both'

    "a_thres":0.6
}