About “1 1 1 1 ” in the exist file of probmap in SCNN

[BoSeal]

@XingangPan ,In SCNN，i find that when i test it. If there is no line in the picture, the exist.txt also 1 1 1 1,then I checked and found that all the exist.txt files were always 1 1 1 1 . This is also strange thing.you know how to slove it ? I find this part of the code as follows:

the example of the exist file of probmap :

之后，我查看了下代码，添加print，打印出一些信息，如下：

我猜测应该是existence_output该处出了问题，之后我又反复检查与existence_output相关代码，但没发现什么问题，您可以给我一些解决方案或建议么？