Bounding box coordinates for Trim

Is your feature request related to a problem? Please describe

I have a binary image with black background and white object. I need a high performance method to extract the bounding box for the white object. It is acceptable for bounding box to always be parallel to the edges.

I tried MinimumBoundingBox(), but it is too slow due to Rotating Calipers algorithm to recover angled bounding boxes (which I anyway grow to edge parallel bounding box).

I tried using Trim() which is performant, but it doesn’t provide the bounding box coordinates. On the command line there is a way to get Trim to return the bounding box info.

Describe the solution you’d like

A fast edge parallel minimum bounding box method. Alternatively, a version of Trim() to return bounding box coordinates relative to original image.

Describe alternatives you’ve considered

MinimumBoundingBox and Trim

[dlemstra]

Thanks for reporting this. The problem is that in your example a warning is raised but the native code is not getting a pointer due to a bug in Magick.NET. This warning is raised because the bounding box is 0x0. This will return null in the next release of Magick.NET instead.

[saikatguha]

Works great. Thanks for the super quick resolution!