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Over the past decades, numerous Image Quality Assessment (IQA) models have emerged, aiming to predict the perceptual quality of images. However, individual models are often biased toward certain types of image content or distortions,…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Zhongling Wang , Raymond Zhou , Shahrukh Athar , Wenbo Yang , Zhou Wang

Multi-intent natural language understanding (NLU) presents a formidable challenge due to the model confusion arising from multiple intents within a single utterance. While previous works train the model contrastively to increase the margin…

计算与语言 · 计算机科学 2024-05-07 Guanhua Chen , Yutong Yao , Derek F. Wong , Lidia S. Chao

In computer vision, contrastive learning is the most advanced unsupervised learning framework. Yet most previous methods simply apply fixed composition of data augmentations to improve data efficiency, which ignores the changes in their…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Yuhan Zhang , He Zhu , Shan Yu

Unpaired image-to-image translation aims to find a mapping between the source domain and the target domain. To alleviate the problem of the lack of supervised labels for the source images, cycle-consistency based methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Yupei Lin , Sen Zhang , Tianshui Chen , Yongyi Lu , Guangping Li , Yukai Shi

It is well-known that there is no universal metric for image quality evaluation. In this case, distortion-specific metrics can be more reliable. The artifact imposed by image compression can be considered as a combination of various…

图像与视频处理 · 电气工程与系统科学 2024-02-05 S. Farhad Hosseini-Benvidi , Hossein Motamednia , Azadeh Mansouri , Mohammadreza Raei , Ahmad Mahmoudi-Aznaveh

Self-supervised representation learning is a critical problem in computer vision, as it provides a way to pretrain feature extractors on large unlabeled datasets that can be used as an initialization for more efficient and effective…

计算机视觉与模式识别 · 计算机科学 2020-12-25 Yunze Liu , Li Yi , Shanghang Zhang , Qingnan Fan , Thomas Funkhouser , Hao Dong

Representation learning has significantly been developed with the advance of contrastive learning methods. Most of those methods have benefited from various data augmentations that are carefully designated to maintain their identities so…

计算机视觉与模式识别 · 计算机科学 2022-01-24 Xiao Wang , Guo-Jun Qi

Neural View Synthesis (NVS) has demonstrated efficacy in generating high-fidelity dense viewpoint videos using a image set with sparse views. However, existing quality assessment methods like PSNR, SSIM, and LPIPS are not tailored for the…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Qiang Qu , Hanxue Liang , Xiaoming Chen , Yuk Ying Chung , Yiran Shen

Generative models for image restoration, enhancement, and generation have significantly improved the quality of the generated images. Surprisingly, these models produce more pleasant images to the human eye than other methods, yet, they may…

图像与视频处理 · 电气工程与系统科学 2022-04-28 Marcos V. Conde , Maxime Burchi , Radu Timofte

The recent advances in representation learning inspire us to take on the challenging problem of unsupervised image classification tasks in a principled way. We propose ContraCluster, an unsupervised image classification method that combines…

计算机视觉与模式识别 · 计算机科学 2023-04-20 Seongho Joe , Byoungjip Kim , Hoyoung Kang , Kyoungwon Park , Bogun Kim , Jaeseon Park , Joonseok Lee , Youngjune Gwon

Recent multimodal large language models (MLLMs) have shown promising performance on video quality assessment (VQA) tasks. However, adapting them to new scenarios remains expensive due to large-scale retraining and costly mean opinion score…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Xinyue Li , Shubo Xu , Zhichao Zhang , Zhaolin Cai , Yitong Chen , Guangtao Zhai

The deep neural networks (DNNs) have freed the synthetic aperture radar automatic target recognition (SAR ATR) from expertise-based feature designing and demonstrated superiority over conventional solutions. There has been shown the unique…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Bowen Peng , Jianyue Xie , Bo Peng , Li Liu

In this paper, we propose a No-Reference Image Quality Assessment (NRIQA) guided cut-off point selection (CPS) strategy to enhance the performance of a fine-grained classification system. Scores given by existing NRIQA methods on the same…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Joseph Smith , Zheming Zuo , Jonathan Stonehouse , Boguslaw Obara

3D perception in LiDAR point clouds is crucial for a self-driving vehicle to properly act in 3D environment. However, manually labeling point clouds is hard and costly. There has been a growing interest in self-supervised pre-training of 3D…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Mu Cai , Chenxu Luo , Yong Jae Lee , Xiaodong Yang

Various state-of-the-art self-supervised visual representation learning approaches take advantage of data from multiple sensors by aligning the feature representations across views and/or modalities. In this work, we investigate how…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Thomas M. Hehn , Julian F. P. Kooij , Dariu M. Gavrila

Recent advancements in multimodal foundation models (e.g., CLIP) have excelled in zero-shot generalization. Prompt tuning involved in the knowledge transfer from foundation models to downstream tasks has gained significant attention…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Xuejing Liu , Wei Tang , Jinghui Lu , Rui Zhao , Zhaojun Guo , Fei Tan

As a seminal tool in self-supervised representation learning, contrastive learning has gained unprecedented attention in recent years. In essence, contrastive learning aims to leverage pairs of positive and negative samples for…

机器学习 · 计算机科学 2022-02-01 Ching-Yun Ko , Jeet Mohapatra , Sijia Liu , Pin-Yu Chen , Luca Daniel , Lily Weng

Counterfactually Augmented Data (CAD) involves creating new data samples by applying minimal yet sufficient modifications to flip the label of existing data samples to other classes. Training with CAD enhances model robustness against…

机器学习 · 计算机科学 2024-06-12 Xiaoqi Qiu , Yongjie Wang , Xu Guo , Zhiwei Zeng , Yue Yu , Yuhong Feng , Chunyan Miao

Composed Image Retrieval (CIR) seeks to find a target image using a multi-modal query, which combines an image with modification text to pinpoint the target. While recent CIR methods have shown promise, they mainly focus on exploring…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Peng Gao , Yujian Lee , Zailong Chen , Hui zhang , Xubo Liu , Yiyang Hu , Guquang Jing

The rapid growth of 3D point cloud data, driven by applications in autonomous driving, robotics, and immersive environments, has led to criticals demand for efficient compression and quality assessment techniques. Unlike traditional 2D…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yiling Xu , Yujie Zhang , Shuting Xia , Kaifa Yang , He Huang , Ziyu Shan , Wenjie Huang , Qi Yang , Le Yang