Single-Shot High Dynamic Range Imaging with Spatially Varying Exposures Considering Hue Distortion

We proposes a novel single-shot high dynamic range imaging scheme with spatially varying exposures (SVE) considering hue distortion. Single-shot imaging with SVE enables us to capture multi-exposure images from a single-shot image, so high dynamic range images can be produced without ghost artifacts. However, SVE images have some pixels at which a range supported by camera sensors is exceeded. Therefore, generated images have some color distortion, so that conventional imaging with SVE has never considered the influence of this range limitation. To overcome this issue, we consider estimating the correct hue of a scene from raw images, and propose a method with the estimated hue information for correcting the hue of SVE images on the constant hue plain in the RGB color space.

[1]  M. Luo,et al.  The development of the CIE 2000 Colour Difference Formula , 2001 .

[2]  Hitoshi Kiya,et al.  A Pseudo Multi-Exposure Fusion Method Using Single Image , 2018, IEICE Trans. Fundam. Electron. Commun. Comput. Sci..

[3]  Jonas Unger,et al.  HDR Reconstruction for Alternating Gain (ISO) Sensor Readout , 2014, Eurographics.

[4]  Hitoshi Kiya,et al.  Pure-color preserving multi-exposure image fusion , 2019, Other Conferences.

[5]  Hitoshi Kiya,et al.  Scene Segmentation-Based Luminance Adjustment for Multi-Exposure Image Fusion , 2019, IEEE Transactions on Image Processing.

[6]  Seungyong Lee,et al.  Single‐shot High Dynamic Range Imaging Using Coded Electronic Shutter , 2014, Comput. Graph. Forum.

[7]  Hitoshi Kiya,et al.  JPEG XT Image Compression with Hue Compensation for Two-Layer HDR Coding , 2019, 2019 IEEE International Conference on Consumer Electronics - Asia (ICCE-Asia).

[8]  Zhou Wang,et al.  Objective Quality Assessment of Tone-Mapped Images , 2013, IEEE Transactions on Image Processing.

[9]  Hitoshi Kiya,et al.  Automatic exposure compensation using an image segmentation method for single-image-based multi-exposure fusion , 2018 .

[10]  Noriaki Suetake,et al.  HUE-Preserving Color Contrast Enhancement Method Without Gamut Problem by Using Histogram Specification , 2018, 2018 25th IEEE International Conference on Image Processing (ICIP).

[11]  Dynamic range improvement for some∗ Canon dSLRs by alternating ISO during sensor readout , 2013 .

[12]  Marcelo Bertalmío,et al.  High quality video in high dynamic range scenes from interlaced dual-ISO footage , 2016, Digital Photography and Mobile Imaging.