像素计数器常见问题

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像素计数器常见问题

本节将回答有关视觉函数像素计数器的常见问题。

为什么 NumResults 从不为零?

在像素计数器中,NumResults 不适合作为未找到结果的指示器。

因为 ModelArea("模型 ROI "的像素计数)也会作为结果返回,所以 NumResults 永远不会为 0。

是否有跨模型结果?

没有。像素计数器没有执行 ROI,只有 "模型 ROI",可为每个模型定义。


This section answers frequently asked questions about vision function Pixel counter.

Why is NumResults never zero?

With Pixel Counter, NumResults is not suitable as an indicator for a result that is not found.

Since ModelArea (pixel count of the "Model ROI") is also returned as a result, NumResults can never be 0.

Are there cross-model results?

No. Pixel Counter has no Execution ROI, only a "Model ROI" that is definable for each model.