An Image Pre‑distortion Algorithm Based on the Radial Basis Function

Xiaobo HUANG; Limin YAN

doi:10.19453/j.cnki.1005-488x.2023.04.010

Journals >Optoelectronic Technology >Volume 43 >Issue 4 >Page 332 > Article

Optoelectronic Technology
Vol. 43, Issue 4, 332 (2023)

An Image Pre‑distortion Algorithm Based on the Radial Basis Function

Xiaobo HUANG¹ and Limin YAN^1、2

Author Affiliations

¹School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, CHN

²Microelectronics Research and Development Center, Shanghai University, Shanghai 00444, CHN

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DOI: 10.19453/j.cnki.1005-488x.2023.04.010 Cite this Article

Xiaobo HUANG, Limin YAN. An Image Pre‑distortion Algorithm Based on the Radial Basis Function[J]. Optoelectronic Technology, 2023, 43(4): 332 Copy Citation Text

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Fig. 1. Schematic of image pre-distortion

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Fig. 2. Correction effect of pre-distortion algorithms

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拟合算法	图像分辨率	控制点数量/中心点数量(占比)	参数量	E_max/像素	E/像素
二元高阶多项式	96×60	160	160×2	0.898 0	0.248 7
高斯函数	96×60	5 760(1)	5 760×2	<10^-6	<10^-6
反常S型函数	96×60	5 760(1)	5 760×2	<10^-6	<10^-6
逆多二次函数	96×60	5 760(1)	5 760×2	<10^-6	<10^-6
二元高阶多项式	960×600	5 760	5 760×2	4.582 9	0.329 6
高斯函数	960×600	64 000(1/9)	64 000×2	9.860 8	1.661 1
反常S型函数	960×600	64 000(1/9)	64 000×2	10.872 4	2.379 0
逆多二次函数	960×600	64 000(1/9)	64 000×2	2.402 8	0.090 6

Table 1. Comparison between traditional polynomial fitting algorithm and radial basis function fitting algorithms

Xiaobo HUANG, Limin YAN. An Image Pre‑distortion Algorithm Based on the Radial Basis Function[J]. Optoelectronic Technology, 2023, 43(4): 332

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