Efficient reconstruction of all-in-focus images through shifted pinholes from multi-focus images for dense light field synthesis and rendering

K Kodama, A Kubota - IEEE Transactions on Image Processing, 2013 - ieeexplore.ieee.org
Scene refocusing beyond extended depth of field for users to observe objects effectively is
aimed by researchers in computational photography, microscopic imaging, and so on …

A study on efficient compression of multi-focus images for dense light-field reconstruction

T Sakamoto, K Kodama… - … and Image Processing, 2012 - ieeexplore.ieee.org
Light-Field enables us to observe scenes from free viewpoints. However, it generally
consists of 4-D enormous data, that are not suitable for storing or transmitting without …

A novel scheme for 4-D light-field compression based on 3-D representation by multi-focus images

T Sakamoto, K Kodama… - 2012 19th IEEE …, 2012 - ieeexplore.ieee.org
Light-Field enables us to observe scenes from free viewpoints. However, it generally
consists of 4-D enormous data, that are not suitable for storing or transmitting without …

Simple and fast all-in-focus image reconstruction based on three-dimensional/two-dimensional transform and filtering

K Kodama, H Mo, A Kubota - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
This paper deals with all-in-focus image reconstruction by merging multiple differently
focused images. We previously proposed a method of generating an all-in-focus image from …

[HTML][HTML] Robust extension of light fields with probable 3D distribution based on iterative scene estimation from multi-focus images

Z Wang, L Huang, K Kodama - Signal Processing: Image Communication, 2023 - Elsevier
In this study, we propose an iterative approach to perform pseudo-scene reconstruction
based on multi-focus images for estimating the 4D light fields of the scene robustly. An …

High efficiency dense light field and all-in-focus compression for lossless satellite image by using CCSDS

P Anjaneya, GK Ra**i - International Journal of Speech Technology, 2020 - Springer
Light-field enables us to observe scenes from free view-points. However, it generally
consists of 4-D enormous data, which are not suitable for storing or transmitting without …

Cauchy aperture and perfect reconstruction filters for extending depth-of-field from focal stack

A Kubota, K Kodama, A Ito - IEICE TRANSACTIONS on Information …, 2019 - search.ieice.org
A pupil function of aperture in image capturing systems is theoretically derived such that one
can perfectly reconstruct all-in-focus image through linear filtering of the focal stack. The …

Robust reconstruction of arbitrarily deformed bokeh from ordinary multiple differently focused images

K Kodama, I Izawa, A Kubota - 2010 IEEE international …, 2010 - ieeexplore.ieee.org
This paper deals with a method of generating seriously deformed bokeh on reconstructed
images from ordinary multiple differently focused images including just simple bokeh such …

Real-time 3-D image reconstruction from multi-focus images by efficient linear filtering with multi-dimensional symmetry

K Kodama, Z Wang, M Sato… - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
We previously proposed a simple method of 3-D image reconstruction using scene-
independent linear filters for multi-focus images. However, it costs much to prepare the …

Efficient free viewpoint image reconstruction from multi-focus imaging sequences based on dimension reduction

X Ou, T Hamamoto, K Kodama - 2007 International Symposium …, 2007 - ieeexplore.ieee.org
This paper deals with the technique for generating free viewpoint images by using multi-
focus imaging sequences. The method may enable us to realize dense 4-D ray-space …