Detectron: min() ์ธ์ˆ˜๋Š” ๋นˆ ์‹œํ€€์Šค์ž…๋‹ˆ๋‹ค.

์— ๋งŒ๋“  2018๋…„ 06์›” 04์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: facebookresearch/Detectron

E0604 12:01:30.918792 20556 pybind_state.h:422] PythonOp ํ•จ์ˆ˜ ์‹คํ–‰ ์ค‘ ์˜ˆ์™ธ ๋ฐœ์ƒ: ValueError: min() arg๋Š” ๋นˆ ์‹œํ€€์Šค์ž…๋‹ˆ๋‹ค.

์—:
/home/server010/disk/Detectron--s/detectron/utils/segms.py(125): polys_to_boxes
/home/server010/disk/Detectron--s/detectron/roi_data/mask_rcnn.py(46): add_mask_rcnn_blobs
/home/server010/disk/Detectron--s/detectron/roi_data/fast_rcnn.py(197): _sample_rois
/home/server010/disk/Detectron--s/detectron/roi_data/fast_rcnn.py(112): add_fast_rcnn_blobs
/home/server010/disk/Detectron--s/detectron/ops/collect_and_distribute_fpn_rpn_proposals.py(62): ์•ž์œผ๋กœ
'caffe2::EnforceNotMet' ์ธ์Šคํ„ด์Šค๋ฅผ throwํ•œ ํ›„ ์ข…๋ฃŒ๊ฐ€ ํ˜ธ์ถœ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
what(): [pybind_state.h:423์—์„œ ์‹คํŒจ ์‹œํ–‰] . PythonOp ํ•จ์ˆ˜ ์‹คํ–‰ ์ค‘ ์˜ˆ์™ธ ๋ฐœ์ƒ: ValueError: min() arg๋Š” ๋นˆ ์‹œํ€€์Šค์ž…๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์ด๊ฒƒ์€ ์„ธ๊ทธ๋จผํŠธ ๋ฐ์ดํ„ฐ์˜ ์˜ค๋ฅ˜ ๋•Œ๋ฌธ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ๊ฒฝ์šฐ ์˜ค๋ฅ˜๋Š” "x0 = min(min(p[::2]) for p in poly) "์—์„œ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. "p" ์ฆ‰ ์„ธ๊ทธ๋จผํŠธ๊ฐ€ ๋นˆ ๋ชฉ๋ก์ž„์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
.json ํŒŒ์ผ์˜ "์„ธ๊ทธ๋จผํŠธ" ํ•„๋“œ์— len("segmentation") <= 6์ด ์žˆ๋Š”์ง€ ํ™•์ธํ•˜์‹ญ์‹œ์˜ค.
json_dataset.py์˜ ์ฝ”๋“œ ์ฐธ์กฐ
# ์œ ํšจํ•œ ํด๋ฆฌ๊ณค์—๋Š” >= 3๊ฐœ์˜ ์ ์ด ์žˆ์œผ๋ฏ€๋กœ >= 6๊ฐœ์˜ ์ขŒํ‘œ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
obj['์„ธ๊ทธ๋ฉ˜ํ…Œ์ด์…˜'] = [
len(p) >= 6์ธ ๊ฒฝ์šฐ obj['segmentation']์˜ p์— ๋Œ€ํ•œ p
]

๋ชจ๋“  3 ๋Œ“๊ธ€

์žฌ์ƒ์‚ฐ์— ๋Œ€ํ•œ ์„ธ๋ถ€์ •๋ณด๊ฐ€ ์ œ๊ณต๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. @junxiaoge ๋ฌธ์ œ ํ…œํ”Œ๋ฆฟ์„ ์ž‘์„ฑํ•˜๋ฉด ์–ธ์ œ๋“ ์ง€ ๋‹ค์‹œ ์—ด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๊ฒƒ์€ ์„ธ๊ทธ๋จผํŠธ ๋ฐ์ดํ„ฐ์˜ ์˜ค๋ฅ˜ ๋•Œ๋ฌธ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ๊ฒฝ์šฐ ์˜ค๋ฅ˜๋Š” "x0 = min(min(p[::2]) for p in poly) "์—์„œ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. "p" ์ฆ‰ ์„ธ๊ทธ๋จผํŠธ๊ฐ€ ๋นˆ ๋ชฉ๋ก์ž„์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.
.json ํŒŒ์ผ์˜ "์„ธ๊ทธ๋จผํŠธ" ํ•„๋“œ์— len("segmentation") <= 6์ด ์žˆ๋Š”์ง€ ํ™•์ธํ•˜์‹ญ์‹œ์˜ค.
json_dataset.py์˜ ์ฝ”๋“œ ์ฐธ์กฐ
# ์œ ํšจํ•œ ํด๋ฆฌ๊ณค์—๋Š” >= 3๊ฐœ์˜ ์ ์ด ์žˆ์œผ๋ฏ€๋กœ >= 6๊ฐœ์˜ ์ขŒํ‘œ๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
obj['์„ธ๊ทธ๋ฉ˜ํ…Œ์ด์…˜'] = [
len(p) >= 6์ธ ๊ฒฝ์šฐ obj['segmentation']์˜ p์— ๋Œ€ํ•œ p
]

@neeraj-j

์ œ์•ˆํ•ด ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ์ดํ‹€ ๋™์•ˆ ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋‚ด ์ž์‹ ์˜ ๋ฐ์ดํ„ฐ ์„ธํŠธ๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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