Image quality improvement for a hybrid compressive light field display based on gradient descent with a mixed loss function

被引:2
|
作者
Chen, Qiyang [1 ,2 ]
Chen, Zhiyu [1 ,2 ]
Chen, Tao [1 ,2 ]
Lv, Guoqiang [1 ,2 ]
Feng, Qibin [2 ]
Wang, Zi [1 ,2 ]
机构
[1] Hefei Univ technol, Acad Optoelect Technol, Natl Engn Lab Special Display Technol Special Disp, Hefei 230009, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Instrumentat & Optoelect Engn, Anhui Prov Key Lab Measuring Theory & Precis Instr, Anhui Prov Engn Res Ctr Semicond Inspect Technol &, Hefei 230009, Anhui, Peoples R China
来源
OPTICS EXPRESS | 2024年 / 32卷 / 18期
关键词
3D DISPLAY;
D O I
10.1364/OE.533404
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The multi-layer compressive light field (CLF) three-dimensional (3D) display suffers from image artifacts due to layer misalignment. In this paper, we propose to reduce the image artifacts by improving the intensity distribution uniformity of the layer images. To achieve this, a global optimization algorithm based on gradient descent (GD) is proposed. To further improve the image quality, a mixed loss function combining both subjective and objective losses is proposed for the optimization. By applying the subjective loss to enhance the perceptual quality, the 3D image details could be reconstructed better. The experimental results demonstrate that the proposed method significantly reduces artifacts and improves image quality compared to the conventional method.
引用
收藏
页码:32218 / 32231
页数:14
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