OLED-on-Silicon Micro-Display Based on Asymmetric Elliptical Foveated JND Model

Yichong Zhu; Yuan Ji

doi:10.3788/CJL230535

Journals >Chinese Journal of Lasers >Volume 50 >Issue 19 >Page 1909002 > Article

Chinese Journal of Lasers
Vol. 50, Issue 19, 1909002 (2023)

OLED-on-Silicon Micro-Display Based on Asymmetric Elliptical Foveated JND Model

Yichong Zhu¹ and Yuan Ji^1、2、*

Author Affiliations

¹Microelectronics Research and Development Center, Shanghai University, Shanghai 200072, China

²School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200072, China

show less

DOI: 10.3788/CJL230535 Cite this Article Set citation alerts

Yichong Zhu, Yuan Ji. OLED-on-Silicon Micro-Display Based on Asymmetric Elliptical Foveated JND Model[J]. Chinese Journal of Lasers, 2023, 50(19): 1909002 Copy Citation Text

show less

Fig. 1. 19-bit-plane image features of Lena

Download full size

Fig. 2. 19-bit-plane CR distribution of Lena

Download full size

Fig. 3. Distribution of field of view test points

Download full size

Fig. 4. Image for exploring luminance masking effect

Download full size

Fig. 5. Image for exploring contrast masking effect

Download full size

Fig. 6. Asymmetric foveated concave fitting ellipse

Download full size

Fig. 7. Subjective experimental results for luminance masking experiment. (a) Relationship between JND and eccentricity;

Download full size

Fig. 8. Subjective experimental results for contrast masking experiment. (a) Relationship between JND and contrast; (b) relationship among JND, contrast and luminance; (c) JND value distribution in foveated range

Download full size

Fig. 9. Noise injection distribution of three kinds of JND models. (a) Original image; (b) model in Ref. [12]; (c) model in Ref. [11];

Download full size

Fig. 10. Enlarged view of central area after noise pollution for three JND models. (a) Image after noise pollution; (b) model in Ref. [12]; (c) model in Ref. [11]; (d) our model

Download full size

Fig. 11. Hardware system. (a) Overall framework; (b) picture of hardware test platform

Download full size

Fig. 12. Comparison of 19-bit-plane compression ratio distribution of Lena before and after algorithm processing

Download full size

Fig. 13. Compression effect comparison of images and partially enlarged view. (a) Original image; (b) model in Ref. [11]; (c) our model

Download full size

Parameter	Value
Resolution（RGB）/pixel	2560×2560
Pixel per degree /pixel	22
Field angle /（°）	120

Table 1. Performance parameters of VR glasses based on OLED-on-silicon micro-display

Attribute	Luminance masking	Contrast masking
Background luminance	0，10，20，60，100，140，180，200，220，230	100，140，180，220
Contrast luminance	0	0，20，40，60，80
Eccentricity /（°）	1，2，3，5，10，15，20，25，30，35，40，45，50，55，60	1，2，3，5，10，15，20，25，30，35

Table 2. Stimulus attributes for luminance masking and contrast masking experiments

Image	PSNR /dB	MOS
Image	PSNR /dB	Model in Ref.［12］	Model in Ref.［11］	Our model
Rapids	58.44	4.2	4.8	4.9
Bikes	59.00	4.3	4.9	4.9
Buildings	57.66	4.2	4.7	4.9
Carnivaldolls	53.46	4.0	4.6	4.8
Caps	59.66	4.3	4.9	5.0
Churchandcapitol	55.57	4.2	4.8	4.9
Coinsinfountain	57.03	4.2	4.8	4.9
Dancers	55.11	4.4	5.0	5.0
House	59.12	4.3	4.9	4.9
Lighthouse	56.12	4.2	4.8	5.0
Average	57.107	4.24	4.82	4.91

Table 3. Comparison of MOSs of JND models under same PSNR

Bit-plane	BIT1	BIT2	BIT3	BIT4
Origin CR	124.09	123.99	123.46	114.91
Processed CR	25.00	19.26	55.37	74.23

Table 4. Comparison of low 4-bit-plane compression ratio of Lena before and after algorithm processing

Image	PSNR（e_X=0°）/dB		PSNR（e_X=60°）/dB		FPSNR /dB		SSIM		CR/%
Image	Ref.［11］	Ours	Ref. ［11］	Ours	Ref. ［11］	Ours	Ref.［11］	Ours	Ref. ［11］	Ours
Bikes	76.06	56.35	47.84	53.72	43.56	43.57	0.95	0.99	70.16	46.18
Buildings	84.44	62.48	47.38	58.55	42.99	45.01	0.96	0.99	66.52	51.60
Caps	—	55.77	47.26	51.65	43.18	43.75	0.91	0.98	68.84	31.61
Carnivaldolls	70.01	65.42	47.05	54.39	40.50	47.34	0.87	0.99	62.44	37.08
Coinsinfountain	86.72	56.50	48.08	55.05	42.24	43.65	0.95	0.99	64.42	41.64
House	—	64.17	47.93	56.16	43.08	47.66	0.93	0.99	67.80	36.31
Lighthouse	77.00	63.30	48.67	56.63	44.41	43.78	0.94	0.99	70.78	38.90
Monarch	66.94	59.59	50.26	56.40	42.61	45.13	0.90	0.98	67.67	35.68
Ocean	—	56.45	46.73	54.91	42.49	43.81	0.91	0.98	68.86	35.44
Parrots	—	56.06	47.78	54.52	42.88	43.34	0.89	0.98	67.29	38.08
Plane	65.47	64.51	47.89	50.96	42.76	46.49	0.92	0.99	60.63	29.68
Rapids	86.47	56.57	46.84	53.99	43.01	43.92	0.91	0.99	69.58	36.05
Sailing4	74.96	56.56	48.37	56.28	43.33	43.57	0.92	0.99	69.14	37.15
Stream	—	56.45	47.93	54.70	43.48	43.89	0.97	0.99	68.23	48.47
Studentsculpture	86.20	62.55	47.77	56.52	42.13	47.04	0.97	0.99	63.80	49.73
Average	77.427	59.515	47.852	54.962	42.483	44.797	0.927	0.99	67.077	39.573

Table 5. Comparison of evaluation indexes and compression ratio of different compression algorithms for color image compression

Algorithm	PSNR /dB	SSIM	CR /%
Ref.［20］	37.66	0.97	72.22
Ours	55.63	0.99	39.57

Table 6. Evaluation index and compression ratio comparison of bit-plane compression algorithms

Yichong Zhu, Yuan Ji. OLED-on-Silicon Micro-Display Based on Asymmetric Elliptical Foveated JND Model[J]. Chinese Journal of Lasers, 2023, 50(19): 1909002

Download Citation

Set citation alerts for the article

Tools

Set citation alerts for the article

Save the article for my favorites

Paper Information