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LiDAR-based perception in autonomous systems is constrained by fixed vertical beam resolution and further compromised by beam dropout resulting from environmental occlusions. This paper introduces SuperiorGAT, a graph attention-based…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Khalfalla Awedat , Mohamed Abidalrekab , Gurcan Comert , Mustafa Ayad

No-reference image quality assessment (NR-IQA) aims to measure the image quality without reference image. However, contrast distortion has been overlooked in the current research of NR-IQA. In this paper, we propose a very simple but…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Jia Yan , Jie Li , Xin Fu

Heterogeneous graphs have multiple node and edge types and are semantically richer than homogeneous graphs. To learn such complex semantics, many graph neural network approaches for heterogeneous graphs use metapaths to capture multi-hop…

机器学习 · 计算机科学 2022-07-26 See Hian Lee , Feng Ji , Wee Peng Tay

Recent advances in AI-powered image editing tools have significantly lowered the barrier to image modification, raising pressing security concerns those related to spreading misinformation and disinformation on social platforms. Image…

图像与视频处理 · 电气工程与系统科学 2024-08-27 Keyang Zhang , Chenqi Kong , Shiqi Wang , Anderson Rocha , Haoliang Li

Deep learning based image quality assessment (IQA) models usually learn to predict image quality from a single dataset, leading the model to overfit specific scenes. To account for this, mixed datasets training can be an effective way to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Zhaopeng Feng , Keyang Zhang , Shuyue Jia , Baoliang Chen , Shiqi Wang

Face image quality assessment (FIQA) plays a critical role in face recognition and verification systems, especially in uncontrolled, real-world environments. Although several methods have been proposed, general-purpose no-reference image…

计算机视觉与模式识别 · 计算机科学 2025-09-15 MohammadAli Hamidi , Hadi Amirpour , Luigi Atzori , Christian Timmerer

A key challenge in graph out-of-distribution (OOD) detection lies in the absence of ground-truth OOD samples during training. Existing methods are typically optimized to capture features within the in-distribution (ID) data and calculate…

机器学习 · 计算机科学 2025-11-25 Yue Hou , Ruomei Liu , Yingke Su , Junran Wu , Ke Xu

Diffusion-based models have recently revolutionized image generation, achieving unprecedented levels of fidelity. However, consistent generation of high-quality images remains challenging partly due to the lack of conditioning mechanisms…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Khaled Abud , Sergey Lavrushkin , Alexey Kirillov , Dmitriy Vatolin

The paradigm of Transformers using the self-attention mechanism has manifested its advantage in learning graph-structured data. Yet, Graph Transformers are capable of modeling full range dependencies but are often deficient in extracting…

机器学习 · 计算机科学 2024-09-11 Minhong Zhu , Zhenhao Zhao , Weiran Cai

Graph Neural Networks (GNNs) have shown remarkable success in graph representation learning. Unfortunately, current weight assignment schemes in standard GNNs, such as the calculation based on node degrees or pair-wise representations, can…

机器学习 · 计算机科学 2024-07-02 Junfu Wang , Yuanfang Guo , Liang Yang , Yunhong Wang

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

Perceptual image quality assessment (IQA) is the task of predicting the visual quality of an image as perceived by a human observer. Current state-of-the-art techniques are based on deep representations trained in discriminative manner.…

图像与视频处理 · 电气工程与系统科学 2024-04-30 Simon Raviv , Gal Chechik

The rapid growth of user-generated (video) content (UGC) has driven increased demand for research on no-reference (NR) perceptual video quality assessment (VQA). NR-VQA is a key component for large-scale video quality monitoring in social…

图像与视频处理 · 电气工程与系统科学 2025-08-15 Xinyi Wang , Angeliki Katsenou , David Bull

Deep learning-based quality metrics have recently given significant improvement in Image Quality Assessment (IQA). In the field of stereoscopic vision, information is evenly distributed with slight disparity to the left and right eyes.…

图像与视频处理 · 电气工程与系统科学 2022-11-04 Oussama Messai , Aladine Chetouani

Many real-world problems can be represented as graph-based learning problems. In this paper, we propose a novel framework for learning spatial and attentional convolution neural networks on arbitrary graphs. Different from previous…

机器学习 · 计算机科学 2019-02-26 Hao Peng , Jianxin Li , Qiran Gong , Senzhang Wang , Yuanxing Ning , Philip S. Yu

The increase in high-dimensional multiomics data demands advanced integration models to capture the complexity of human diseases. Graph-based deep learning integration models, despite their promise, struggle with small patient cohorts and…

机器学习 · 计算机科学 2024-08-07 Sina Tabakhi , Charlotte Vandermeulen , Ian Sudbery , Haiping Lu

Recent advancements in dense out-of-distribution (OOD) detection have primarily focused on scenarios where the training and testing datasets share a similar domain, with the assumption that no domain shift exists between them. However, in…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Zhitong Gao , Shipeng Yan , Xuming He

Accurate classification of Whole Slide Images (WSIs) and Regions of Interest (ROIs) is a fundamental challenge in computational pathology. While mainstream approaches often adopt Multiple Instance Learning (MIL), they struggle to capture…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Mingxi Fu , Xitong Ling , Yuxuan Chen , Jiawen Li , fanglei fu , Huaitian Yuan , Tian Guan , Yonghong He , Lianghui Zhu

With the rapid growth of User-Generated Content (UGC) exchanged between users and sharing platforms, the need for video quality assessment in the wild is increasingly evident. UGC is typically acquired using consumer devices and undergoes…

图像与视频处理 · 电气工程与系统科学 2025-03-14 Xinyi Wang , Angeliki Katsenou , David Bull

Graphs are useful for representing various realworld objects. However, graph neural networks (GNNs) tend to suffer from over-smoothing, where the representations of nodes of different classes become similar as the number of layers…

机器学习 · 计算机科学 2024-10-22 Jun Kato , Airi Mita , Keita Gobara , Akihiro Inokuchi