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Table 4 Percentage of time per frame spent on each processing stage

From: Real-time tone mapping on GPU and FPGA

Processing stage % time/frame
  GPU FPGA
Store image in device memory 15.6 32.54
RGB to HSV conversion 30.2 10.53
Histogram adjustment 6.64 18.37
Retina-like processing 14.22 9.13
Lineal combination 6.01 2.09
HSV to RGB conversion 12.31 27.34
Store image in main memory 15.02 -