是否可以使用OpenCV或类似工具从照片中测量相框？ [英] Can OpenCV, or similar, be used to measure a picture frame from a photo?

问题描述

我有一个项目需要测量从智能手机应用程序拍摄的图片中的相框和类似对象。智能手机可能能够提供一些角度&

I have a project that requires that picture frames and similar objects in an image taken from a smartphone app be measured. The smartphone will likely be able to provide some angle & orientation data.

这样可以在openCV的四分之一英寸内完成？

Is this possible to do within a quarter of an inch with openCV?

非常有帮助，有人想要现金为mvp将是杰出的

Examples would be very helpful, someone that wants cash for an mvp would be outstanding

推荐答案

没有可以从一个单一的图像，绝对尺度在投影中丢失。对于单一图片可能/不可能的一个很好的调查是本文。

No can do from a single image, without additional information. Absolute scale is lost in projection. A good survey of what is possible/not possible from single image is this paper.

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