A Real-Time Apple Grading System Using Multicolor Space

Figure 7

Histogram of the (a) “𝑆” component of HSV color spaces, (b) “𝑌” component of CIE 𝑋𝑌𝑍 color space, and (c) “𝑎” component of CIE 𝐿^∗𝑎^∗𝑏^∗ color spaces.

(a)

(b)

(c)