Search Results for author: Oliver Wiedemann

Found 3 papers, 1 papers with code

Localization of Just Noticeable Difference for Image Compression

1 code implementation13 Jun 2023 Guangan Chen, Hanhe Lin, Oliver Wiedemann, Dietmar Saupe

By applying this framework, we created a novel PJND dataset, KonJND++, consisting of 300 source images, compressed versions thereof under JPEG or BPG compression, and an average of 43 ratings of PJND and 129 self-reported locations of JND-critical regions for each source image.

Image Compression

KonX: Cross-Resolution Image Quality Assessment

no code implementations12 Dec 2022 Oliver Wiedemann, Vlad Hosu, Shaolin Su, Dietmar Saupe

Through KonX, we provide empirical evidence of label shifts caused by changes in the presentation resolution.

Image Quality Assessment

Going the Extra Mile in Face Image Quality Assessment: A Novel Database and Model

no code implementations11 Jul 2022 Shaolin Su, Hanhe Lin, Vlad Hosu, Oliver Wiedemann, Jinqiu Sun, Yu Zhu, Hantao Liu, Yanning Zhang, Dietmar Saupe

An accurate computational model for image quality assessment (IQA) benefits many vision applications, such as image filtering, image processing, and image generation.

Face Image Quality Face Image Quality Assessment +4

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