class FaceEnvironment {
  static const VALUE_BRIGHTNESS = 40.0;
  static const VALUE_BLURNESS = 0.5;
  static const VALUE_OCCLUSION = 0.5;
  static const VALUE_HEAD_PITCH = 10;
  static const VALUE_HEAD_YAW = 10;
  static const VALUE_HEAD_ROLL = 10;
  static const VALUE_CROP_FACE_SIZE = 400;
  static const VALUE_MIN_FACE_SIZE = 200;
  static const VALUE_NOT_FACE_THRESHOLD = 0.6;
  static const VALUE_IS_CHECK_QUALITY = true;
  static const VALUE_DECODE_THREAD_NUM = 2;
  static const VALUE_LIVENESS_DEFAULT_RANDOM_COUNT = 3;
  static const VALUE_MAX_CROP_IMAGE_NUM = 1;
}