Overlay Two Images

This function overlays one input image on top of the other one, with a desired alpha value indicating the opacity of the 1st image. It is able to handle both RGB and gray scale images.

plantcv.visualize.overlay_two_imgs(img1, img2, alpha=0.5)

returns blended image (that can be saved with pcv.print_image)

  • Parameters:

    • img1 - 1st input image (ndarray).
    • img2 - 2nd input image (ndarray).
    • alpha - Opacity of the 1st image (a value in the range of (0,1), default alpha=0.5).
  • Context:

    • Used to overlay two images.
  • Example use:
    • Below

First image: RGB image


Second image: a gray scale mask


from plantcv import plantcv as pcv


blended_im = pcv.overlay_two_imgs(img1=img1, img2=img2, alpha=0.5)

Blended Image


Source Code: Here