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The goal of No-Reference Image Quality Assessment (NR-IQA) is to predict the perceptual quality of an image in line with its subjective evaluation. To put the NR-IQA models into practice, it is essential to study their potential loopholes…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Yu Ran , Ao-Xiang Zhang , Mingjie Li , Weixuan Tang , Yuan-Gen Wang

The remarkable success of large-scale contrastive pre-training has been largely driven by by vast yet static datasets. However, as the scaling paradigm evolves, this paradigm encounters a fundamental challenge when applied to dynamic data…

机器学习 · 计算机科学 2025-11-25 Xiaoyu Yang , Jie Lu , En Yu , Wei Duan

In cross-domain few-shot classification (CFC), recent works mainly focus on adapting a simple transformation head on top of a frozen pre-trained backbone with few labeled data to project embeddings into a task-specific metric space where…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Hongduan Tian , Feng Liu , Zhanke Zhou , Tongliang Liu , Chengqi Zhang , Bo Han

Capsule Networks have shown tremendous advancement in the past decade, outperforming the traditional CNNs in various task due to it's equivariant properties. With the use of vector I/O which provides information of both magnitude and…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Harsh Panwar , Ioannis Patras

Multi-modal reasoning in visual question answering (VQA) has witnessed rapid progress recently. However, most reasoning models heavily rely on shortcuts learned from training data, which prevents their usage in challenging real-world…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Qi Zheng , Chaoyue Wang , Daqing Liu , Dadong Wang , Dacheng Tao

Evaluating the perceptual quality of Novel View Synthesis (NVS) images remains a key challenge, particularly in the absence of pixel-aligned ground truth references. Full-Reference Image Quality Assessment (FR-IQA) methods fail under…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Abhijay Ghildyal , Rajesh Sureddi , Nabajeet Barman , Saman Zadtootaghaj , Alan Bovik

We propose a framework using contrastive learning as a pre-training task to perform image classification in the presence of noisy labels. Recent strategies such as pseudo-labeling, sample selection with Gaussian Mixture models, weighted…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Madalina Ciortan , Romain Dupuis , Thomas Peel

No-Reference Image Quality Assessment (NR-IQA) focuses on designing methods to measure image quality in alignment with human perception when a high-quality reference image is unavailable. Most state-of-the-art NR-IQA approaches are…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Lorenzo Agnolucci , Leonardo Galteri , Marco Bertini

Automatic perception of image quality is a challenging problem that impacts billions of Internet and social media users daily. To advance research in this field, we propose a no-reference image quality assessment (NR-IQA) method termed…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Zhen Zhang

Recent advancements in the field of No-Reference Image Quality Assessment (NR-IQA) using deep learning techniques demonstrate high performance across multiple open-source datasets. However, such models are typically very large and complex…

计算机视觉与模式识别 · 计算机科学 2024-09-09 Nasim Jamshidi Avanaki , Abhijay Ghildyal , Nabajeet Barman , Saman Zadtootaghaj

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

机器学习 · 计算机科学 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Multi-view representation learning is essential for many multi-view tasks, such as clustering and classification. However, there are two challenging problems plaguing the community: i)how to learn robust multi-view representation from mass…

计算机视觉与模式识别 · 计算机科学 2023-02-28 Guanzhou Ke , Yongqi Zhu , Yang Yu

Accurately detecting objects in the environment is a key challenge for autonomous vehicles. However, obtaining annotated data for detection is expensive and time-consuming. We introduce PatchContrast, a novel self-supervised point cloud…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Oren Shrout , Ori Nizan , Yizhak Ben-Shabat , Ayellet Tal

Exploring large-scale pretrained foundation models is of significant interest in computer vision because these models can be quickly transferred to many downstream tasks. This paper presents Contrastive Captioner (CoCa), a minimalist design…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Jiahui Yu , Zirui Wang , Vijay Vasudevan , Legg Yeung , Mojtaba Seyedhosseini , Yonghui Wu

Contrastive learning (CL) for Vision Transformers (ViTs) in image domains has achieved performance comparable to CL for traditional convolutional backbones. However, in 3D point cloud pretraining with ViTs, masked autoencoder (MAE) modeling…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Bin Ren , Guofeng Mei , Danda Pani Paudel , Weijie Wang , Yawei Li , Mengyuan Liu , Rita Cucchiara , Luc Van Gool , Nicu Sebe

Video Quality Assessment (VQA) aims to evaluate video quality based on perceptual distortions and human preferences. Despite the promising performance of existing methods using Convolutional Neural Networks (CNNs) and Vision Transformers…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Wei-Ting Chen , Yu-Jiet Vong , Yi-Tsung Lee , Sy-Yen Kuo , Qiang Gao , Sizhuo Ma , Jian Wang

The acquisition of inductive bias through point-level contrastive learning holds paramount significance in point cloud pre-training. However, the square growth in computational requirements with the scale of the point cloud poses a…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Zhiyi Pan , Guoqing Liu , Wei Gao , Thomas H. Li

Image Quality Assessment algorithms predict a quality score for a pristine or distorted input image, such that it correlates with human opinion. Traditional methods required a non-distorted "reference" version of the input image to compare…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Subhayan Mukherjee , Giuseppe Valenzise , Irene Cheng

Self-Supervised Learning (SSL) enables us to pre-train foundation models without costly labeled data. Among SSL methods, Contrastive Learning (CL) methods are better at obtaining accurate semantic representations in noise interference.…

图像与视频处理 · 电气工程与系统科学 2026-02-06 Hengtong Shen , Haiyan Gu , Haitao Li , Yi Yang , Agen Qiu