Error diffusion optimization to enhance the saturation of colored e-paper

Shanling Lin; Xinxin Xie; Jianpu Lin; Zhixian Lin; Tailiang Guo

doi:10.12086/oee.2024.230309

Journals >Opto-Electronic Engineering >Volume 51 >Issue 1 >Page 230309-1 > Article

Opto-Electronic Engineering
Vol. 51, Issue 1, 230309-1 (2024)

Error diffusion optimization to enhance the saturation of colored e-paper

Shanling Lin^1、2, Xinxin Xie^1、2, Jianpu Lin^1、2、*, Zhixian Lin^1、2、3, and Tailiang Guo^2、3

Author Affiliations

¹School of Advanced Manufacturing, Fuzhou University, Quanzhou, Fujian 362251, China

²Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian 350116, China

³College of Physics and Telecommunication Engineering, Fuzhou University, Fuzhou, Fujian 350116, China

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DOI: 10.12086/oee.2024.230309 Cite this Article

Shanling Lin, Xinxin Xie, Jianpu Lin, Zhixian Lin, Tailiang Guo. Error diffusion optimization to enhance the saturation of colored e-paper[J]. Opto-Electronic Engineering, 2024, 51(1): 230309-1 Copy Citation Text

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Fig. 1. Block diagram of Floyd-Steinberg error diffusion

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Fig. 2. (a) The flow chart of error diffusion algorithm; (b) The flow chart of image saturation enhancement

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Fig. 3. (a) Lena original image; (b) Floyd-Steinberg algorithm rendering; (c) Knox algorithm rendering; (d) Kwak algorithm rendering; (e) Algorithm rendering of this article

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Fig. 4. (a) Detailed picture of Lena’s original hat; (b) Detailed picture of Floyd-Steinberg algorithm hat; (c) Detailed picture of Knox algorithm hat; (d) Detailed picture of the Kwak algorithm hat; (e) Detailed picture of the algorithm hat of this article

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Fig. 5. (a) Detailed picture of Lena’s original eyes; (b) Detailed picture of Floyd-Steinberg algorithm eyes; (c) Detailed picture of Knox algorithm eyes; (d) Detailed picture of the Kwak algorithm eyes; (e) Detailed picture of the algorithm eyes of this article

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Fig. 6. (a) Baboon original image; (b) Floyd-Steinberg algorithm rendering; (c) Knox algorithm rendering; (d) Kwak algorithm rendering; (e) Algorithm rendering of this article

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Fig. 7. (a) Detailed picture of Lena’s original nose; (b) Detailed picture of Floyd-Steinberg algorithm nose; (c) Detailed picture of Knox algorithm nose; (d) Detailed picture of the Kwak algorithm nose; (e) Detailed picture of the algorithm nose of this article

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Fig. 8. (a) Rendering of the Lena's original image; (b) Lena display effect after the algorithm processing in this paper; (c) Renderings of the original drawings of the flowers; (d) Effect of the flowers display after the algorithm processing in this paper

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Table 1. Floyd-Steinberg error diffusion filter coefficient

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Image datasets	Kodak24			CBSD68
Image datasets	PSNR/dB	SSIM	UCIQE	PSNR/dB	SSIM	UCIQE
Floyd-Steinberg	20.1667	0.6111	0.3205	19.8109	0.6468	0.2587
Knox	17.1841	0.6043	0.3265	17.1904	0.6538	0.2901
Kwak	19.7710	0.5996	0.3163	19.2995	0.6508	0.2909
Ours	21.7799	0.7472	0.4001	21.2150	0.7406	0.3835

Table 2. SSIM, PSNR, and UCIQE values of images after different edge error diffusion enhancements

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Images	Z-sores
Images	Before	After
Figure	−0.68	0.68
Animal	−0.69	0.69
Scenery	−0.68	0.68
House	−0.65	0.65
Plant	−0.69	0.69
Food	−0.68	0.68
Average value	−0.678	0.678

Table 3. Z-scores for different display renderings

Shanling Lin, Xinxin Xie, Jianpu Lin, Zhixian Lin, Tailiang Guo. Error diffusion optimization to enhance the saturation of colored e-paper[J]. Opto-Electronic Engineering, 2024, 51(1): 230309-1

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