Guided image filtering in shape-from-focus: A comparative analysis
作者：
Highlights：
• Guided image filtering has been suggested for improving the initial depth maps in shape from focus (SFF).
• The performance of a set of recently proposed guided filters in improving depth maps is evaluated and analyzed.
• Guidance maps based on, mean image intensity and correlation among image intensities and focus measurements, are the best among the set of proposed guidance maps.
• Guided image filters with characteristics of noise reduction and edge preserving at the same time provide accurate depth.
摘要
•Guided image filtering has been suggested for improving the initial depth maps in shape from focus (SFF).•The performance of a set of recently proposed guided filters in improving depth maps is evaluated and analyzed.•Guidance maps based on, mean image intensity and correlation among image intensities and focus measurements, are the best among the set of proposed guidance maps.•Guided image filters with characteristics of noise reduction and edge preserving at the same time provide accurate depth.
论文关键词：Shape from focus (SFF),Focus measure,Guided image filtering,Depth map
论文评审过程：Received 26 June 2019, Revised 19 August 2020, Accepted 22 September 2020, Available online 23 September 2020, Version of Record 29 September 2020.
论文官网地址：https://doi.org/10.1016/j.patcog.2020.107670
