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Buffered Mosaic for reduced HDD reads (#2791)

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Glenn Jocher 2023-05-25 00:42:13 +02:00 • committed by GitHub
parent dada5b73c4
commit 07b57c03c8
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3 changed files with 48 additions and 19 deletions
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14
ultralytics/yolo/utils/instance.py
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@ -326,10 +326,20 @@ class Instances:
self.keypoints[..., 0] = self.keypoints[..., 0].clip(0, w)
self.keypoints[..., 1] = self.keypoints[..., 1].clip(0, h)
def remove_zero_area_boxes(self):
"""Remove zero-area boxes, i.e. after clipping some boxes may have zero width or height. This removes them."""
good = self._bboxes.areas() > 0
if not all(good):
self._bboxes = Bboxes(self._bboxes.bboxes[good], format=self._bboxes.format)
if len(self.segments):
self.segments = self.segments[good]
if self.keypoints is not None:
self.keypoints = self.keypoints[good]
return good
def update(self, bboxes, segments=None, keypoints=None):
"""Updates instance variables."""
new_bboxes = Bboxes(bboxes, format=self._bboxes.format)
self._bboxes = new_bboxes
self._bboxes = Bboxes(bboxes, format=self._bboxes.format)
if segments is not None:
self.segments = segments
if keypoints is not None: