Hangyu Gao

Global particulate pollution research reflects economic capacity more than pollution burden

Jiani Yang, Sally Newman, Yuk L. Yung, Antong Zhang et autres

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Global particulate pollution research reflects economic capacity more than pollution burden

Jiani Yang, Antong Zhang, Xun Jian, Kairui Qiu et autres

Air pollution from fine airborne particles remains one of the leading environmental threats to human health, yet it is unclear whether scientific research is concentrated where pollution burdens are greatest. Here we show that global research activity is distributed primarily according to …

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Multi-model expert – AI triangulated validation of highway landscape classification with zero-shot multimodal large language models

Hangyu Gao, Richard Smardon, Shamsul Abu Bakar, Suhardi Maulan et autres

Highway landscapes influence driver safety, cultural identity, and economic development, yet existing classification approaches rarely quantify label reliability or validate AI automation against expert judgment. This study develops a multi-model expert–AI triangulated validation framework for highway landscape classification using multimodal large language …

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Highway Landscape Preference Along Malaysia’s North–South Expressway: A Comparison of Multimodal Large Language Models and Human Judgments

Hangyu Gao, Richard Smardon, Shamsul Abu Bakar, Suhardi Maulan et autres

Visual landscape assessment informs highway corridor planning decisions, yet conventional surveys scale poorly with corridor length. Multimodal large language models (MLLMs) offer a scalable alternative, but their alignment with road-user preferences remains poorly understood. This study aimed to quantify the extent to …

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Deep Learning-Based Classification of Aquatic Vegetation Using GF-1/6 WFV and HJ-2 CCD Satellite Data

Yifan Shao, Qian Shen, Yue Yao, Xuelei Wang et autres

The Yangtze River Basin, one of China’s most vital watersheds, sustains both ecological balance and human livelihoods through its extensive lake systems. However, since the 1980s, these lakes have experienced significant ecological degradation, particularly in terms of aquatic vegetation decline. To acquire …

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Constructing a conceptual framework: Interpreting visual preference and visual pollution factors among viewers in highway landscapes

Hangyu Gao, Shamsul Abu Bakar, Guo Yu, Mohd Johari Mohd Yusof et autres

• Addresses gaps in current VIA methodologies through systematic integration of visual pollution assessment. • Propose a two-stage framework combining landscape character assessment and environmental theories. • Identifies seven visual perception variables linked to specific perceptual impacts of visual pollution. • Integrates …

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Estimating aesthetic services of road landscapes through predicting people's attention: A computer vision approach

Jun Qi, Wenhui Li, Zhaocheng Bai, Hangyu Gao et autres

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Extraction of duckweed or algal bloom covered water using the SEM-Unet based on remote sensing

Yuting Zhang, Qian Shen, Yue Yao, Yu Wang et autres

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Spatial and Temporal Variations of Total Suspended Matter Concentration during the Dry Season in Dongting Lake in the Past 35 Years

Yifan Shao, Qian Shen, Yue Yao, Yuting Zhou et autres

Dongting Lake is the second largest freshwater lake in China, located in the middle reaches of the Yangtze River. Since the 21st century, it has faced intensified human activities, particularly the Three Gorges Dam impoundment and sand mining. The water quality of …

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A Systematic Literature Review and Analysis of Visual Pollution

Hangyu Gao, Shamsul Abu Bakar, Suhardi Maulan, Mohd Johari Mohd Yusof et autres

Rapid urbanization has introduced new pollution challenges, with visual pollution becoming particularly prominent. This type of pollution affects both the visual environment and public psychology, impairing aesthetic appreciation. Visual pollution extends beyond outdoor advertising, manifesting in various forms across urban, roadway, and …

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How Highway Landscape Visual Qualities Are Being Studied: A Systematic Literature Review

Hangyu Gao, Shamsul Abu Bakar, Suhardi Maulan, Mohd Johari Mohd Yusof et autres

Highways play a vital role in the road transport system, connecting regions and cities in many parts of the world. It may sometimes offer scenic views or a visually appealing environment based on the availability of unique compositions of natural and man-made …

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Deep-Learning-Based Automatic Extraction of Aquatic Vegetation from Sentinel-2 Images—A Case Study of Lake Honghu

Hangyu Gao, Ruren Li, Qian Shen, Yue Yao et autres

Aquatic vegetation is an important component of aquatic ecosystems; therefore, the classification and mapping of aquatic vegetation is an important aspect of lake management. Currently, the decision tree (DT) classification method based on spectral indices has been widely used in the extraction …

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