Search Results for author: Hanwei Zhu

Found 12 papers, 6 papers with code

Towards Open-ended Visual Quality Comparison

no code implementations26 Feb 2024 HaoNing Wu, Hanwei Zhu, ZiCheng Zhang, Erli Zhang, Chaofeng Chen, Liang Liao, Chunyi Li, Annan Wang, Wenxiu Sun, Qiong Yan, Xiaohong Liu, Guangtao Zhai, Shiqi Wang, Weisi Lin

Comparative settings (e. g. pairwise choice, listwise ranking) have been adopted by a wide range of subjective studies for image quality assessment (IQA), as it inherently standardizes the evaluation criteria across different observers and offer more clear-cut responses.

Image Quality Assessment

2AFC Prompting of Large Multimodal Models for Image Quality Assessment

no code implementations2 Feb 2024 Hanwei Zhu, Xiangjie Sui, Baoliang Chen, Xuelin Liu, Peilin Chen, Yuming Fang, Shiqi Wang

While abundant research has been conducted on improving high-level visual understanding and reasoning capabilities of large multimodal models~(LMMs), their visual quality assessment~(IQA) ability has been relatively under-explored.

Image Quality Assessment

Deep Shape-Texture Statistics for Completely Blind Image Quality Evaluation

no code implementations16 Jan 2024 Yixuan Li, Peilin Chen, Hanwei Zhu, Keyan Ding, Leida Li, Shiqi Wang

The perceptual quality is quantified by the variant Mahalanobis Distance between the inner and outer Shape-Texture Statistics (DSTS), wherein the inner and outer statistics respectively describe the quality fingerprints of the distorted image and natural images.

Blind Image Quality Assessment

Perceptual Quality Assessment of 360$^\circ$ Images Based on Generative Scanpath Representation

1 code implementation7 Sep 2023 Xiangjie Sui, Hanwei Zhu, Xuelin Liu, Yuming Fang, Shiqi Wang, Zhou Wang

To address these issues, we introduce a unique generative scanpath representation (GSR) for effective quality inference of 360$^\circ$ images, which aggregates varied perceptual experiences of multi-hypothesis users under a predefined viewing condition.

Image Quality Assessment

Gap-closing Matters: Perceptual Quality Evaluation and Optimization of Low-Light Image Enhancement

no code implementations22 Feb 2023 Baoliang Chen, Lingyu Zhu, Hanwei Zhu, Wenhan Yang, Linqi Song, Shiqi Wang

Subsequently, we propose an objective quality assessment measure that plays a critical role in bridging the gap between visual quality and enhancement.

Image Quality Assessment Low-Light Image Enhancement

DeepDC: Deep Distance Correlation as a Perceptual Image Quality Evaluator

1 code implementation9 Nov 2022 Hanwei Zhu, Baoliang Chen, Lingyu Zhu, Shiqi Wang, Weisi Lin

ImageNet pre-trained deep neural networks (DNNs) show notable transferability for building effective image quality assessment (IQA) models.

Attribute Image Quality Assessment +2

Deep Feature Statistics Mapping for Generalized Screen Content Image Quality Assessment

1 code implementation12 Sep 2022 Baoliang Chen, Hanwei Zhu, Lingyu Zhu, Shiqi Wang, Sam Kwong

The underlying mechanism of the proposed approach is based upon the mild assumption that the SCIs, which are not physically acquired, still obey certain statistics that could be understood in a learning fashion.

No-Reference Image Quality Assessment NR-IQA

DeepWSD: Projecting Degradations in Perceptual Space to Wasserstein Distance in Deep Feature Space

1 code implementation5 Aug 2022 Xigran Liao, Baoliang Chen, Hanwei Zhu, Shiqi Wang, Mingliang Zhou, Sam Kwong

Existing deep learning-based full-reference IQA (FR-IQA) models usually predict the image quality in a deterministic way by explicitly comparing the features, gauging how severely distorted an image is by how far the corresponding feature lies from the space of the reference images.

The Loop Game: Quality Assessment and Optimization for Low-Light Image Enhancement

no code implementations20 Feb 2022 Baoliang Chen, Lingyu Zhu, Hanwei Zhu, Wenhan Yang, Fangbo Lu, Shiqi Wang

In particular, we create a large-scale database for QUality assessment Of The Enhanced LOw-Light Image (QUOTE-LOL), which serves as the foundation in studying and developing objective quality assessment measures.

Low-Light Image Enhancement

No-Reference Image Quality Assessment by Hallucinating Pristine Features

1 code implementation9 Aug 2021 Baoliang Chen, Lingyu Zhu, Chenqi Kong, Hanwei Zhu, Shiqi Wang, Zhu Li

In this paper, we propose a no-reference (NR) image quality assessment (IQA) method via feature level pseudo-reference (PR) hallucination.

Disentanglement Hallucination +1

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