Supplemental Fig1
收藏DataONE2017-11-13 更新2024-06-26 收录
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Figure 1. Podocarpus salignus dead foliage ash/char (Fig. 2E) illustrating the stages of image processing used to determine charcoal percentages. (A) Histogram values obtained for all pixel values in the 8 bit greyscale photograph. (B) Image manually thresholded to a greyscale value of 50 to highlight the charcoal in the image. (C) Default threshold applied to the whole image to separate the background from the ash/char sample and to derive a maximum ash greyscale value.
创建时间:
2017-11-13



