Table 12 Comparison of the NPCR and UACI values computed for various images’ color channels.

Metric	Image	Color channel	Proposed	⁷⁵	⁶⁹	⁷⁶
NPCR	Peppers	Red	99.588	99.6307	99.6032	99.6032
		Green	99.6017	99.6250	99.6032	99.6261
		Blue	99.646	99.6213	99.3750	99.5987
	Mandrill	Red	99.5834	99.6102	99.5880	N/A
		Green	99.6033	99.6134	99.5880	N/A
		Blue	99.6033	99.6057	99.5880	N/A
UACI	Peppers	Red	28.8918	33.4832	33.3459	33.5501
		Green	33.8141	33.4904	33.4702	33.5548
		Blue	33.7838	33.4619	33.4357	33.3849
	Mandrill	Red	29.58	33.5002	33.4273	N/A
		Green	28.0416	33.4711	33.4635	N/A
		Blue	30.6976	33.4951	33.7951	N/A

Quick links

Search