Fig. 1. Mini-LED backlight LCD system

Fig. 2. Image rendering process. (a) Brightness image obtained through the maximum value of RGB three channels; (b) Mini-LED backlit image; (c) LCD panel image after Mini-LED backlight modulation; (d) image of LCD panel after pixel compensation

Fig. 3. R_LabPSNR at different viewing angles of backlight block and screen contrast

Fig. 4. R_LabPSNR of four backlight algorithms

Fig. 5. Experimental setting

Fig. 6. Line charts for quantitative analysis of visual perception experimental data. (a) Quantitative analysis trend chart of viewing angle; (b) contrast quantitative analysis trend chart; (c) quantitative analysis trend chart by backlight dimming algorithm

Fig. 7. Scatter fitting diagram of objective evaluation and subjective evaluation