Fig. 2From: An image analysis pipeline for automated classification of imaging light conditions and for quantification of wheat canopy cover time series in field phenotypingAutomated thresholding on a calculated NDI3 image (a) by averaging across image rows (b, n = the size of image height). Black dots show the row-mean values along with the image column index, and red line is the smoothed spline indicating the positions for peaks and troughs that are detected for the row-means (μRow)Back to article page