if there is an object (say a line) in an image, how to find the xy coordinates of each pixel that makes the line?

1 次查看（过去 30 天）
Franklin Prashanth C
回答： Walter Roberson 2018-1-22
The XY coordinate values of each pixel of the red line. Such that I can trace the line. Thank you.

请先登录，再回答此问题。

采纳的回答

Walter Roberson
Walter Roberson 2018-1-22
Convert to grayscale. Threshold to select the part that is not as bright -- the brightest part will be the white background. Now you can regionprops() and ask it to return PixelList . (Or you might want to consider using bwboundaries or bwtraceboundary. Or you might want to bwmorph() to extract the skeleton and then ask for those pixels...

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Morphological Operations 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by