def run_edge_boxes(image_file, num_proposals, draw_only_positives):
img = cv2.imread('./JPEGImages/' + image_file + '.jpg')
parameters_combinations = [(0.25, 0.85), (0.45, 0.45), (0.65, 0.75),
(0.85, 0.35), (0.85, 0.85)]
recall_list = []
for parameter_tuple in parameters_combinations:
edge_detection = cv2.ximgproc.createStructuredEdgeDetection(
'model.yml.gz')
rgb_im = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
edges = edge_detection.detectEdges(np.float32(rgb_im / 255.0))
orientation = edge_detection.computeOrientation(edges)
edges = edge_detection.edgesNms(edges, orientation)
edge_boxes = cv2.ximgproc.createEdgeBoxes(alpha=parameter_tuple[0],
beta=parameter_tuple[1])
proposal_boxes, scores = edge_boxes.getBoundingBoxes(
edges, orientation)
image_output = img.copy()
if len(proposal_boxes) > 0:
boxes_scores = zip(proposal_boxes, scores)
for i, b_s in enumerate(boxes_scores):
if (i < num_proposals):
box = b_s[0]
x, y, w, h = box
if draw_only_positives and not utils.compare_gt(
(x, y, x + w, y + h)):
continue
cv2.rectangle(image_output, (x, y), (x + w, y + h),
(0, 255, 0), 1, cv2.LINE_AA)
score = b_s[1][0]
cv2.putText(image_output, "{:.2f}".format(score), (x, y),
cv2.FONT_HERSHEY_PLAIN, 0.8, (255, 255, 255),
1, cv2.LINE_AA)
# print("score={:f}".format(score))
else:
break
if draw_only_positives:
utils.draw_groundtruth(image_output)
recall_list.append(utils.compute_recall(proposal_boxes))
# cv2.imshow("Edgeboxes output " + str(parameter_tuple), image_output)
cv2.imwrite(
"./eb_output_" + image_file + "_" + str(parameter_tuple) + ".jpg",
image_output)
# cv2.waitKey(0)
# cv2.destroyAllWindows()
return recall_list
def generate_results(gt, pred):
cm = confusion_matrix(gt, pred, labels=[0, 1])
my_f1 = compute_f1(cm)
my_precision = compute_precision(cm)
my_recall = compute_recall(cm)
prec, rec, f1, _ = precision_recall_fscore_support(gt,
pred,
labels=[0, 1],
average=None)
assert ((my_precision - prec) < 1e-3).all()
assert ((my_recall - rec) < 1e-3).all()
assert ((my_f1 - f1) < 1e-3).all()
return cm, prec, rec, f1
def run_selective_search(image_file, num_proposals, draw_only_positives):
img = cv2.imread('./JPEGImages/' + image_file + '.jpg')
# create Selective Search Segmentation Object using default parameters
ss = cv2.ximgproc.segmentation.createSelectiveSearchSegmentation()
ss.setBaseImage(img)
strategy_color = cv2.ximgproc.segmentation.createSelectiveSearchSegmentationStrategyColor(
)
strategy_texture = cv2.ximgproc.segmentation.createSelectiveSearchSegmentationStrategyTexture(
)
strategy_size = cv2.ximgproc.segmentation.createSelectiveSearchSegmentationStrategySize(
)
strategy_fill = cv2.ximgproc.segmentation.createSelectiveSearchSegmentationStrategyFill(
)
strategy_combined = cv2.ximgproc.segmentation.createSelectiveSearchSegmentationStrategyMultiple(
strategy_color, strategy_texture, strategy_size, strategy_fill)
strategies = [
strategy_texture, strategy_color, strategy_size, strategy_fill,
strategy_combined
]
recall_list = []
for strategy in strategies:
ss.addStrategy(strategy)
ss.switchToSelectiveSearchFast()
# ss.switchToSelectiveSearchQuality()
prososal_boxes = ss.process()
image_output = img.copy()
# iterate over all the region proposals
for i, rect in enumerate(prososal_boxes):
# draw rectangle for region proposal till numShowRects
if (i < num_proposals):
x, y, w, h = rect
if draw_only_positives and not utils.compare_gt(
(x, y, x + w, y + h)):
continue
cv2.rectangle(image_output, (x, y), (x + w, y + h),
(0, 255, 0), 1, cv2.LINE_AA)
else:
break
if draw_only_positives:
utils.draw_groundtruth(image_output)
recall_list.append(utils.compute_recall(prososal_boxes))
# cv2.imshow("Selective search output " + str(strategy), image_output)
cv2.imwrite(
"./ss_output_" + "_" + image_file + "_" + str(strategy) + ".jpg",
image_output)
# cv2.waitKey(0)
ss.clearStrategies()
# cv2.destroyAllWindows()
return recall_list
image_to_gt = utils.load_evaluation_set(hp, files['iota10k'], files['gt_fn'],
args.min_rater_count)
# Arrange metrics for the gt labels in df.
image_metrics = utils.compute_image_metrics(image_to_gt,
label_metrics,
files,
method=hp['eval_method'],
do_verify=hp['do_verify'],
gt_in_voc=hp['gt_vocab'],
y_force=hp['y_force'])
images = list(set(image_metrics.ImageID.values.tolist()))
raters_ub = utils.raters_performance(images, files['gt_fn'])
print('Raters agreement: %s' % raters_ub)
# Compute precision & recall over all metrics.
precision, sem_p, precision_mat = utils.compute_precision(
image_metrics, hp['k'])
recall, sem_r, recall_mat = utils.compute_recall(image_metrics, hp['k'])
vis.print_top_pr(precision, recall)
utils.save_results(hp, files['results_dir'], precision, sem_p, recall, sem_r)
# Plot precision, recall and correlation. Save specific examples to HTML.
if args.plot_figures:
vis.plot_precision(hp, files, precision, sem_p, raters_ub)
vis.plot_recall(hp, files, recall, sem_r)
vis.plot_precision_vs_recall(hp, files, precision, recall, raters_ub)
# vis.plot_correlation(hp, files, image_metrics)
vis.write_models_to_html(image_metrics, hp, files)
# These are the same as the previous step (refined anchors
# after NMS) but with coordinates normalized to [0, 1] range.
limit = 50
# Convert back to image coordinates for display
h, w = config.IMAGE_SHAPE[:2]
proposals = rpn['proposals'][0, :limit] * np.array([h, w, h, w])
visualize.draw_boxes(image, refined_boxes=proposals, ax=get_ax())
# Measure the RPN recall (percent of objects covered by anchors)
# Here we measure recall for 3 different methods:
# - All anchors
# - All refined anchors
# - Refined anchors after NMS
iou_threshold = 0.7
recall, positive_anchor_ids = utils.compute_recall(model.anchors, gt_bbox,
iou_threshold)
print("All Anchors ({:5}) Recall: {:.3f} Positive anchors: {}".format(
model.anchors.shape[0], recall, len(positive_anchor_ids)))
recall, positive_anchor_ids = utils.compute_recall(rpn['refined_anchors'][0],
gt_bbox, iou_threshold)
print("Refined Anchors ({:5}) Recall: {:.3f} Positive anchors: {}".format(
rpn['refined_anchors'].shape[1], recall, len(positive_anchor_ids)))
recall, positive_anchor_ids = utils.compute_recall(proposals, gt_bbox,
iou_threshold)
print("Post NMS Anchors ({:5}) Recall: {:.3f} Positive anchors: {}".format(
proposals.shape[0], recall, len(positive_anchor_ids)))
# Get input and output to classifier and mask heads.
mrcnn = model.run_graph([image], [
# image_ids = np.random.choice(dataset_val.image_ids, 10)
APs = []
recalls_list = []
precisions_list = []
for image_id in range(80):
# Load image and ground truth data
image, image_meta, gt_class_id, gt_bbox, gt_mask = \
modellib.load_image_gt(dataset_val, inference_config,
image_id, use_mini_mask=False)
molded_images = np.expand_dims(modellib.mold_image(image, inference_config), 0)
# Run object detection
results = model.detect([image], verbose=0)
r = results[0]
# Compute AP
AP, precisions, recalls, overlaps = \
utils.compute_ap(gt_bbox, gt_class_id,
r["rois"], r["class_ids"], r["scores"])
APs.append(AP)
recall, precision = utils.compute_recall(r['rois'], gt_bbox, iou=0.5)
recalls_list.append(recall)
precisions_list.append(precision)
print("mAP: ", np.mean(APs))
print("recalls_list: ", np.mean(recalls))
print("precisions_list: ", np.mean(precisions))
