Figure 4From: FPGA Implementation of the Pixel Purity Index Algorithm for Remotely Sensed Hyperspectral Image Analysis(a) Dot-product (dp) unit. (b) Parallelization strategy by pixels. (c) Parallelization strategy by skewers. (d) Parallelization strategy by skewers and pixels.dp unitpixelsskewersskewers and pixelsBack to article page