How can I detect whether a line is a straight line or curve from an binary image?

differentiate between straight line and a curve

Answer 1

[Image Analyst]

Call regionprops to get the area and the PixelIdxList. Use Pythagorean theorem to get the distance between the two farthest points. Compare that to the area, which is the length along the curve. Decide upon some ratio that divides "straight" from "curvy".

[Prianka]

thanks

[Image Analyst]

You're welcome. If you have no more questions, then can you mark this as Accepted to close it out?