tensorflow/models · error · ValueError

`outer_boxes_scale` should be a value >= 1.0.

Error message

`outer_boxes_scale` should be a value >= 1.0.

What it means

Error "`outer_boxes_scale` should be a value >= 1.0." thrown in tensorflow/models.

Source

Thrown at official/vision/modeling/maskrcnn_model.py:127

    self.rpn_head = rpn_head
    if not isinstance(detection_head, (list, tuple)):
      self.detection_head = [detection_head]
    else:
      self.detection_head = detection_head
    self.roi_generator = roi_generator
    if not isinstance(roi_sampler, (list, tuple)):
      self.roi_sampler = [roi_sampler]
    else:
      self.roi_sampler = roi_sampler
    if len(self.roi_sampler) > 1 and not class_agnostic_bbox_pred:
      raise ValueError(
          '`class_agnostic_bbox_pred` needs to be True if multiple detection heads are specified.'
      )
    self.roi_aligner = roi_aligner
    self.detection_generator = detection_generator
    self._include_mask = mask_head is not None
    if outer_boxes_scale < 1.0:
      raise ValueError('`outer_boxes_scale` should be a value >= 1.0.')
    self.outer_boxes_scale = outer_boxes_scale
    self.mask_head = mask_head
    if self._include_mask and mask_sampler is None:
      raise ValueError('`mask_sampler` is not provided in Mask R-CNN.')
    self.mask_sampler = mask_sampler
    if self._include_mask and mask_roi_aligner is None:
      raise ValueError('`mask_roi_aligner` is not provided in Mask R-CNN.')
    self.mask_roi_aligner = mask_roi_aligner
    # Weights for the regression losses for each FRCNN layer.
    # TODO(jiageng): Make the weights configurable.
    self._cascade_layer_to_weights = [
        [10.0, 10.0, 5.0, 5.0],
        [20.0, 20.0, 10.0, 10.0],
        [30.0, 30.0, 15.0, 15.0],
    ]

  def call(  # pytype: disable=signature-mismatch  # overriding-parameter-count-checks
      self,

View on GitHub (pinned to e006f5f0d5)

Solutions

  1. Set outer_boxes_scale to a value >= 1.0.
  2. Remove outer_boxes_scale to use the default.

When it happens

Trigger: Thrown at official/vision/modeling/maskrcnn_model.py:127 when the library encounters an invalid state.

Common situations: See trigger scenarios.


AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/4dae937baebf3a2b. Report an issue: GitHub.