我训练tensorflow的im2txt样品,并将其输出损耗:究竟是什么损失?
INFO:tensorflow:global step 2174: loss = 3.6930 (15.83 sec/step)
INFO:tensorflow:global step 2175: loss = 3.6651 (15.52 sec/step)
INFO:tensorflow:global step 2176: loss = 3.5733 (18.25 sec/step)
INFO:tensorflow:global step 2177: loss = 3.1979 (18.87 sec/step)
INFO:tensorflow:global step 2178: loss = 2.9362 (15.99 sec/step)
INFO:tensorflow:global step 2179: loss = 3.6375 (15.65 sec/step)
什么损失?它与AI正确执行的概率(是否有公式)有关?什么是通常的可接受的损失?