Research Article
Perceived Image Quality on Mobile Phones with Different Screen Resolution
Table 7
Comparison between perceived image quality for 480P images on P4, P5, P6, P7, and P8.
| | Quality level | Test devices | Percentage of ΔPQ ≥ 0 | Mean ΔPQ | Percentage of ΔPQ < 0 | Mean ΔPQ |
| | High () | P4 versus P5 | 70% | 0.18 | 30% | | | P5 versus P6 | 70% | 0.15 | 30% | | | P7 versus P8 | 50% | 0.24 | 50% | |
| | Medium () | P4 versus P5 | 40% | 0.03 | 60% | | | P5 versus P6 | 70% | 0.08 | 30% | | | P7 versus P8 | 60% | 0.17 | 40% | |
| | Low () | P4 versus P5 | 50% | 0.02 | 50% | | | P5 versus P6 | 80% | 0.02 | 20% | | | P7 versus P8 | 70% | 0.04 | 30% | |
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P4 (720P, 5.1 inches), P5 (1080P, 5.1 inches), P6 (Quad HD, 5.1 inches), P7 (1080P, 5.5 inches), and P8 (Quad HD, 5.5 inches).
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