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EURASIP Journal on Embedded Systems
Figure 2 | EURASIP Journal on Embedded Systems

Figure 2

From: Efficient Processing of a Rainfall Simulation Watershed on an FPGA-Based Architecture with Fast Access to Neighbourhood Pixels

Figure 2

The steepest descending path direction priority and naming convention used to label the direction of the steepest descending path. (a) shows the criterion used when determining order of steepest descendent path when there is more than one possible path; that is, the pixel has two or more lower neighbours with equivalent values. Paths are numbered in increasing priority from the left moving in a clockwise direction towards the right and to the bottom. Shown here is the path with the highest priority labelled as 1 to the lowest priority, labelled as 4. (b) shows labels used to indicate direction of the steepest descent path. The labels shown correspond with the direction of the arrows.

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