Increase `ar_thr` from 20 to 100 for better detection on slender (high aspect…

Increase `ar_thr` from 20 to 100 for better detection on slender (high aspect ratio) objects (#5556) * Making `ar_thr` available as a hyperparameter * Disabling ar_thr as hyperparameter and computing from the dataset instead * Fixing bug in ar_thr computation * Fix `ar_thr` to 100

Increase `ar_thr` from 20 to 100 for better detection on slender (high aspect…
b7d18f36 · Mrinal Jain · GitHub · c9a46a60 · b7d18f36
--- a/utils/augmentations.py
+++ b/utils/augmentations.py
@@ -269,7 +269,7 @@ def mixup(im, labels, im2, labels2):
    return im, labels


-def box_candidates(box1, box2, wh_thr=2, ar_thr=20, area_thr=0.1, eps=1e-16):  # box1(4,n), box2(4,n)
+def box_candidates(box1, box2, wh_thr=2, ar_thr=100, area_thr=0.1, eps=1e-16):  # box1(4,n), box2(4,n)
    # Compute candidate boxes: box1 before augment, box2 after augment, wh_thr (pixels), aspect_ratio_thr, area_ratio
    w1, h1 = box1[2] - box1[0], box1[3] - box1[1]
    w2, h2 = box2[2] - box2[0], box2[3] - box2[1]