mcordts / cityscapesScripts

README and scripts for the Cityscapes Dataset
MIT License
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Discrete InstanceIds in gtFine #112

Open txfs1926 opened 4 years ago

txfs1926 commented 4 years ago

Hi, I'm just curious about the InstanceIds' discreteness in *_gtFine_instanceIds.png. Take the Car class in aachen_000000_000019_gtFine_instanceIds.png as an example. I only found that there are 6 car instances which are annotated with [26003, 26005, 26007, 26008, 26009, 26010] respectively, which are opposed to expected annotations [26000, 26001, ..., 26005]. Why InstanceIds are not continuous? Or did my understanding or observation go wrong?

Thanks very much!