I trained the model for 5 epochs using only 17 joints and still no detections, here’s the log:
INFO 2022-05-18 18:25:53,660| tensorflow: Saving checkpoints for step-0.
INFO:tensorflow:epoch = 0.0, loss = 260.48328, step = 0
INFO 2022-05-18 18:26:23,509| tensorflow: epoch = 0.0, loss = 260.48328, step = 0
INFO:tensorflow:global_step/sec: 1.11782
INFO 2022-05-18 18:26:41,403| tensorflow: global_step/sec: 1.11782
INFO:tensorflow:epoch = 0.2215909090909091, loss = 262.648, step = 39 (33.108 sec)
INFO 2022-05-18 18:26:56,617| tensorflow: epoch = 0.2215909090909091, loss = 262.648, step = 39 (33.108 sec)
INFO:tensorflow:global_step/sec: 1.25641
INFO 2022-05-18 18:26:57,321| tensorflow: global_step/sec: 1.25641
INFO:tensorflow:global_step/sec: 1.41945
INFO 2022-05-18 18:27:11,411| tensorflow: global_step/sec: 1.41945
INFO:tensorflow:global_step/sec: 1.41912
INFO 2022-05-18 18:27:25,505| tensorflow: global_step/sec: 1.41912
INFO:tensorflow:epoch = 0.4715909090909091, loss = 207.93134, step = 83 (31.002 sec)
INFO 2022-05-18 18:27:27,619| tensorflow: epoch = 0.4715909090909091, loss = 207.93134, step = 83 (31.002 sec)
INFO:tensorflow:global_step/sec: 1.41822
INFO 2022-05-18 18:27:39,607| tensorflow: global_step/sec: 1.41822
INFO:tensorflow:global_step/sec: 1.42092
INFO 2022-05-18 18:27:53,682| tensorflow: global_step/sec: 1.42092
INFO:tensorflow:epoch = 0.7215909090909091, loss = 306.23758, step = 127 (30.994 sec)
INFO 2022-05-18 18:27:58,613| tensorflow: epoch = 0.7215909090909091, loss = 306.23758, step = 127 (30.994 sec)
INFO:tensorflow:global_step/sec: 1.4166
INFO 2022-05-18 18:28:07,800| tensorflow: global_step/sec: 1.4166
INFO:tensorflow:global_step/sec: 1.41769
INFO 2022-05-18 18:28:21,908| tensorflow: global_step/sec: 1.41769
INFO:tensorflow:epoch = 0.9715909090909092, loss = 185.13324, step = 171 (31.055 sec)
INFO 2022-05-18 18:28:29,668| tensorflow: epoch = 0.9715909090909092, loss = 185.13324, step = 171 (31.055 sec)
INFO:tensorflow:global_step/sec: 1.41679
INFO 2022-05-18 18:28:36,024| tensorflow: global_step/sec: 1.41679
INFO:tensorflow:global_step/sec: 1.4227
INFO 2022-05-18 18:28:50,082| tensorflow: global_step/sec: 1.4227
INFO:tensorflow:epoch = 1.2215909090909092, loss = 244.98184, step = 215 (31.000 sec)
INFO 2022-05-18 18:29:00,668| tensorflow: epoch = 1.2215909090909092, loss = 244.98184, step = 215 (31.000 sec)
INFO:tensorflow:global_step/sec: 1.41667
INFO 2022-05-18 18:29:04,199| tensorflow: global_step/sec: 1.41667
INFO:tensorflow:global_step/sec: 1.4212
INFO 2022-05-18 18:29:18,272| tensorflow: global_step/sec: 1.4212
INFO:tensorflow:epoch = 1.4715909090909092, loss = 201.70868, step = 259 (30.958 sec)
INFO 2022-05-18 18:29:31,626| tensorflow: epoch = 1.4715909090909092, loss = 201.70868, step = 259 (30.958 sec)
INFO:tensorflow:global_step/sec: 1.42245
INFO 2022-05-18 18:29:32,332| tensorflow: global_step/sec: 1.42245
INFO:tensorflow:global_step/sec: 1.41841
INFO 2022-05-18 18:29:46,433| tensorflow: global_step/sec: 1.41841
INFO:tensorflow:global_step/sec: 1.41885
INFO 2022-05-18 18:30:00,528| tensorflow: global_step/sec: 1.41885
INFO:tensorflow:epoch = 1.7215909090909092, loss = 213.14804, step = 303 (31.012 sec)
INFO 2022-05-18 18:30:02,637| tensorflow: epoch = 1.7215909090909092, loss = 213.14804, step = 303 (31.012 sec)
INFO:tensorflow:global_step/sec: 1.41791
INFO 2022-05-18 18:30:14,634| tensorflow: global_step/sec: 1.41791
INFO:tensorflow:global_step/sec: 1.42007
INFO 2022-05-18 18:30:28,717| tensorflow: global_step/sec: 1.42007
INFO:tensorflow:epoch = 1.9715909090909092, loss = 169.17082, step = 347 (31.027 sec)
INFO 2022-05-18 18:30:33,664| tensorflow: epoch = 1.9715909090909092, loss = 169.17082, step = 347 (31.027 sec)
INFO:tensorflow:global_step/sec: 1.42066
INFO 2022-05-18 18:30:42,796| tensorflow: global_step/sec: 1.42066
INFO:tensorflow:global_step/sec: 1.42015
INFO 2022-05-18 18:30:56,879| tensorflow: global_step/sec: 1.42015
INFO:tensorflow:epoch = 2.221590909090909, loss = 265.66968, step = 391 (30.945 sec)
INFO 2022-05-18 18:31:04,609| tensorflow: epoch = 2.221590909090909, loss = 265.66968, step = 391 (30.945 sec)
INFO:tensorflow:global_step/sec: 1.42396
INFO 2022-05-18 18:31:10,924| tensorflow: global_step/sec: 1.42396
INFO:tensorflow:global_step/sec: 1.42039
INFO 2022-05-18 18:31:25,004| tensorflow: global_step/sec: 1.42039
INFO:tensorflow:epoch = 2.471590909090909, loss = 129.05527, step = 435 (30.958 sec)
INFO 2022-05-18 18:31:35,567| tensorflow: epoch = 2.471590909090909, loss = 129.05527, step = 435 (30.958 sec)
INFO:tensorflow:global_step/sec: 1.42039
INFO 2022-05-18 18:31:39,085| tensorflow: global_step/sec: 1.42039
INFO:tensorflow:global_step/sec: 1.42132
INFO 2022-05-18 18:31:53,157| tensorflow: global_step/sec: 1.42132
INFO:tensorflow:epoch = 2.721590909090909, loss = 203.45369, step = 479 (30.944 sec)
INFO 2022-05-18 18:32:06,511| tensorflow: epoch = 2.721590909090909, loss = 203.45369, step = 479 (30.944 sec)
INFO:tensorflow:global_step/sec: 1.42256
INFO 2022-05-18 18:32:07,216| tensorflow: global_step/sec: 1.42256
INFO:tensorflow:global_step/sec: 1.42434
INFO 2022-05-18 18:32:21,257| tensorflow: global_step/sec: 1.42434
INFO:tensorflow:global_step/sec: 1.42348
INFO 2022-05-18 18:32:35,307| tensorflow: global_step/sec: 1.42348
INFO:tensorflow:epoch = 2.971590909090909, loss = 219.72559, step = 523 (30.897 sec)
INFO 2022-05-18 18:32:37,408| tensorflow: epoch = 2.971590909090909, loss = 219.72559, step = 523 (30.897 sec)
INFO:tensorflow:global_step/sec: 1.42447
INFO 2022-05-18 18:32:49,348| tensorflow: global_step/sec: 1.42447
INFO:tensorflow:global_step/sec: 1.42047
INFO 2022-05-18 18:33:03,427| tensorflow: global_step/sec: 1.42047
INFO:tensorflow:epoch = 3.221590909090909, loss = 156.98914, step = 567 (30.969 sec)
INFO 2022-05-18 18:33:08,377| tensorflow: epoch = 3.221590909090909, loss = 156.98914, step = 567 (30.969 sec)
INFO:tensorflow:global_step/sec: 1.41512
INFO 2022-05-18 18:33:17,561| tensorflow: global_step/sec: 1.41512
INFO:tensorflow:global_step/sec: 1.4213
INFO 2022-05-18 18:33:31,632| tensorflow: global_step/sec: 1.4213
INFO:tensorflow:epoch = 3.471590909090909, loss = 152.15149, step = 611 (30.995 sec)
INFO 2022-05-18 18:33:39,372| tensorflow: epoch = 3.471590909090909, loss = 152.15149, step = 611 (30.995 sec)
INFO:tensorflow:global_step/sec: 1.42219
INFO 2022-05-18 18:33:45,695| tensorflow: global_step/sec: 1.42219
INFO:tensorflow:global_step/sec: 1.41918
INFO 2022-05-18 18:33:59,788| tensorflow: global_step/sec: 1.41918
INFO:tensorflow:epoch = 3.721590909090909, loss = 162.58096, step = 655 (30.986 sec)
INFO 2022-05-18 18:34:10,359| tensorflow: epoch = 3.721590909090909, loss = 162.58096, step = 655 (30.986 sec)
INFO:tensorflow:global_step/sec: 1.42047
INFO 2022-05-18 18:34:13,867| tensorflow: global_step/sec: 1.42047
INFO:tensorflow:global_step/sec: 1.422
INFO 2022-05-18 18:34:27,932| tensorflow: global_step/sec: 1.422
INFO:tensorflow:epoch = 3.971590909090909, loss = 140.42368, step = 699 (30.918 sec)
INFO 2022-05-18 18:34:41,276| tensorflow: epoch = 3.971590909090909, loss = 140.42368, step = 699 (30.918 sec)
INFO:tensorflow:global_step/sec: 1.42346
INFO 2022-05-18 18:34:41,982| tensorflow: global_step/sec: 1.42346
INFO:tensorflow:global_step/sec: 1.41753
INFO 2022-05-18 18:34:56,091| tensorflow: global_step/sec: 1.41753
INFO:tensorflow:global_step/sec: 1.42398
INFO 2022-05-18 18:35:10,137| tensorflow: global_step/sec: 1.42398
INFO:tensorflow:epoch = 4.221590909090909, loss = 187.89554, step = 743 (30.966 sec)
INFO 2022-05-18 18:35:12,243| tensorflow: epoch = 4.221590909090909, loss = 187.89554, step = 743 (30.966 sec)
INFO:tensorflow:global_step/sec: 1.42582
INFO 2022-05-18 18:35:24,164| tensorflow: global_step/sec: 1.42582
INFO:tensorflow:global_step/sec: 1.41856
INFO 2022-05-18 18:35:38,262| tensorflow: global_step/sec: 1.41856
INFO:tensorflow:epoch = 4.471590909090909, loss = 210.05615, step = 787 (30.944 sec)
INFO 2022-05-18 18:35:43,187| tensorflow: epoch = 4.471590909090909, loss = 210.05615, step = 787 (30.944 sec)
INFO:tensorflow:global_step/sec: 1.42028
INFO 2022-05-18 18:35:52,344| tensorflow: global_step/sec: 1.42028
INFO:tensorflow:global_step/sec: 1.42496
INFO 2022-05-18 18:36:06,380| tensorflow: global_step/sec: 1.42496
INFO:tensorflow:epoch = 4.721590909090909, loss = 146.06561, step = 831 (30.924 sec)
INFO 2022-05-18 18:36:14,110| tensorflow: epoch = 4.721590909090909, loss = 146.06561, step = 831 (30.924 sec)
INFO:tensorflow:global_step/sec: 1.42059
INFO 2022-05-18 18:36:20,459| tensorflow: global_step/sec: 1.42059
INFO:tensorflow:global_step/sec: 1.41858
INFO 2022-05-18 18:36:34,557| tensorflow: global_step/sec: 1.41858
INFO:tensorflow:epoch = 4.971590909090909, loss = 192.05815, step = 875 (31.007 sec)
INFO 2022-05-18 18:36:45,118| tensorflow: epoch = 4.971590909090909, loss = 192.05815, step = 875 (31.007 sec)