No-reference stereoscopic image quality assessment based on cyclopean image and enhanced image

Li, Sumei; Ding, Yixiu; Chang, Yongli

doi:10.1007/s11760-019-01582-6

Cited by 5 publications

(1 citation statement)

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“…In this regard, objective quality evaluation of 3D content has been particularly pursued based on the type of the utilized technology to capture the depth information plus visual parallax. For example in [1,2,3,4] methods are introduced to evaluate the stereoscopic scenes. Alternatively, for Depth-Image-Based-Rendering techniques, which are essentially based on providing a depth value per regular 2D image pixel, methods like [5,6,7,8,9] are proposed for evaluation.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive Performance Analysis of Objective Quality Metrics for Digital Holography

Ahar¹,

Birnbaum²,

Chlipała³

et al. 2020

Preprint

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Objective quality assessment of digital holograms has proven to be a challenging task. While prediction of perceptual quality of the recorded 3D content from the holographic wavefield is an open problem; perceptual quality assessment from content after rendering, requires a time-consuming rendering step and a multitude of possible viewports. In this research, we use 96 Fourier holograms of the recently released HoloDB database to evaluate the performance of wellknown and state-of-the-art image quality metrics on digital holograms. We compare the reference holograms with their distorted versions: (i) before rendering on the real and imaginary parts of the quantized complex-wavefield, (ii) after converting Fourier to Fresnel holograms, (iii) after rendering, on the quantized amplitude of the reconstructed data, and (iv) after subsequently removing speckle noise using a Wiener filter. For every experimental track, the quality metric predictions are compared to the Mean Opinion Scores (MOS) gathered on a 2D screen, light field display and a holographic display. Additionally, a statistical analysis of the results and a discussion on the performance of the metrics are presented. The tests demonstrate that while for each test track a few quality metrics present a highly correlated performance compared to the multiple sets of available MOS, none of them demonstrates a consistently high-performance across all four test-tracks.

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