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Running
on
Zero
Running
on
Zero
File size: 1,546 Bytes
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# Copyright (c) Facebook, Inc. and its affiliates.
from .base import RectangleVisualizer, TextVisualizer
class BoundingBoxVisualizer:
def __init__(self):
self.rectangle_visualizer = RectangleVisualizer()
def visualize(self, image_bgr, boxes_xywh):
for bbox_xywh in boxes_xywh:
image_bgr = self.rectangle_visualizer.visualize(image_bgr, bbox_xywh)
return image_bgr
class ScoredBoundingBoxVisualizer:
def __init__(self, bbox_visualizer_params=None, score_visualizer_params=None, **kwargs):
if bbox_visualizer_params is None:
bbox_visualizer_params = {}
if score_visualizer_params is None:
score_visualizer_params = {}
self.visualizer_bbox = RectangleVisualizer(**bbox_visualizer_params)
self.visualizer_score = TextVisualizer(**score_visualizer_params)
def visualize(self, image_bgr, scored_bboxes):
boxes_xywh, box_scores = scored_bboxes
assert len(boxes_xywh) == len(
box_scores
), "Number of bounding boxes {} should be equal to the number of scores {}".format(
len(boxes_xywh), len(box_scores)
)
for i, box_xywh in enumerate(boxes_xywh):
score_i = box_scores[i]
image_bgr = self.visualizer_bbox.visualize(image_bgr, box_xywh)
score_txt = "{0:6.4f}".format(score_i)
topleft_xy = box_xywh[0], box_xywh[1]
image_bgr = self.visualizer_score.visualize(image_bgr, score_txt, topleft_xy)
return image_bgr
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