February 1993/Image Processing, Part 9: Histogram-Based Image Segmentation/Figure 3

Figure 3 The image in Figure 1 with all the pixels except the 8's blanked out

--------------------
--------------------
---888------88888---
---888-------888----
--8888--------8-----
----8---------------
--------------------
--------------------
----88--------8-----
---88888----8888----
----88888--888------
------8888888-------
-------888888-------
--------88----------
--------------------
--------------------
--------------------
--------------------
--------------------