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[Fix] Fix confusion_matrix #870

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merged 2 commits into from
Jun 12, 2023
Merged

[Fix] Fix confusion_matrix #870

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6366865
fix confusion_matrix
liuyanyi Jun 7, 2023
6e04bcb
fix opencv error
liuyanyi Jun 8, 2023
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16 changes: 13 additions & 3 deletions tools/analysis_tools/confusion_matrix.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,15 @@

import matplotlib.pyplot as plt
import numpy as np
import torch
from matplotlib.ticker import MultipleLocator
from mmcv.ops import nms_rotated
from mmdet.registry import DATASETS
from mmengine import Config, DictAction
from mmengine.fileio import load
from mmengine.utils import ProgressBar

from mmrotate.structures.bbox import rbbox_overlaps
from mmrotate.structures.bbox import qbox2rbox, rbbox_overlaps
from mmrotate.utils import register_all_modules


Expand Down Expand Up @@ -121,6 +122,12 @@ def analyze_per_img_dets(confusion_matrix,
gt_labels.append(gt['bbox_label'])

gt_bboxes = np.array(gt_bboxes)
# By default gt_bboxes is qbox not rbox
# rbbox_overlaps does not support ndarray input
# add .float to avoid opencv error
gt_bboxes = torch.from_numpy(gt_bboxes).float()
gt_bboxes = qbox2rbox(gt_bboxes)

gt_labels = np.array(gt_labels)

unique_label = np.unique(result['labels'].numpy())
Expand All @@ -130,11 +137,14 @@ def analyze_per_img_dets(confusion_matrix,
det_bboxes = result['bboxes'][mask].numpy()
det_scores = result['scores'][mask].numpy()

# rbbox_overlaps and nms_rotated does not support ndarray input
det_bboxes = torch.from_numpy(det_bboxes)
det_scores = torch.from_numpy(det_scores)

if nms_iou_thr:
det_bboxes, _ = nms_rotated(det_bboxes, det_scores, nms_iou_thr)
ious = rbbox_overlaps(det_bboxes[:, :5], gt_bboxes)
for i, det_bbox in enumerate(det_bboxes):
score = det_bbox[5]
for i, score in enumerate(det_scores):
det_match = 0
if score >= score_thr:
for j, gt_label in enumerate(gt_labels):
Expand Down