语法
MERGE INTO target
USING source
ON source.a = target.a
WHEN MATCHED THEN
UPDATE SET a = source.a, b = source.b, c = source.c
WHEN NOT MATCHED THEN
INSERT (a, b, c) values (a, b, c)merge into 实际上是一个语法糖, 相对应的语义也可以通过其他的 sql…
标题
Per-Pixel Classification is Not All You Need for Semantic Segmentation (NIPS 2021)
论文:Per-Pixel Classification is Not All You Need for Semantic Segmentation
代码:https://github.com/facebookresearch/MaskFormer
摘要
现代方法通常将语义分割视为逐…