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Multi-modal systems enhance performance in autonomous driving but face inefficiencies due to indiscriminate processing within each modality. Additionally, the independent feature learning of each modality lacks interaction, which results in…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Guoliang You , Xiaomeng Chu , Yifan Duan , Xingchen Li , Sha Zhang , Jianmin Ji , Yanyong Zhang

In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Night images suffer not only from low light, but also from uneven distributions of light. Most existing night visibility enhancement methods focus mainly on enhancing low-light regions. This inevitably leads to over enhancement and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yeying Jin , Wenhan Yang , Robby T. Tan

In this paper, we rethink the low-light image enhancement task and propose a physically explainable and generative diffusion model for low-light image enhancement, termed as Diff-Retinex. We aim to integrate the advantages of the physical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xunpeng Yi , Han Xu , Hao Zhang , Linfeng Tang , Jiayi Ma

The application of light field data in salient object de-tection is becoming increasingly popular recently. The diffi-culty lies in how to effectively fuse the features within the fo-cal stack and how to cooperate them with the feature of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Nian Liu , Wangbo Zhao , Dingwen Zhang , Junwei Han , Ling Shao

Sparse regularization techniques are well-established in machine learning, yet their application in neural networks remains challenging due to the non-differentiability of penalties like the $L_1$ norm, which is incompatible with stochastic…

Machine Learning · Computer Science 2025-02-10 Chris Kolb , Tobias Weber , Bernd Bischl , David Rügamer

Few-shot learning (FSL) approaches are usually based on an assumption that the pre-trained knowledge can be obtained from base (seen) categories and can be well transferred to novel (unseen) categories. However, there is no guarantee,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Bowen Wang , Liangzhi Li , Manisha Verma , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara

Dimensionality reduction techniques play an essential role in data analytics, signal processing and machine learning. Dimensionality reduction is usually performed in a preprocessing stage that is separate from subsequent data analysis,…

Machine Learning · Computer Science 2016-12-21 Bo Yang , Xiao Fu , Nicholas D. Sidiropoulos

We propose a novel sparsity enhancement strategy for regression tasks, based on learning a data-adaptive kernel metric, i.e., a shape matrix, through 2-Layered kernel machines. The resulting shape matrix, which defines a Mahalanobis-type…

Numerical Analysis · Mathematics 2025-09-10 Fabiana Camattari , Sabrina Guastavino , Francesco Marchetti , Emma Perracchione

In this paper, we propose a diffusion-based unsupervised framework that incorporates physically explainable Retinex theory with diffusion models for low-light image enhancement, named LightenDiffusion. Specifically, we present a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Hai Jiang , Ao Luo , Xiaohong Liu , Songchen Han , Shuaicheng Liu

Low-light image enhancement is challenging in that it needs to consider not only brightness recovery but also complex issues like color distortion and noise, which usually hide in the dark. Simply adjusting the brightness of a low-light…

Image and Video Processing · Electrical Eng. & Systems 2020-03-17 Feifan Lv , Yu Li , Feng Lu

Unsupervised node representations learnt using contrastive learning-based methods have shown good performance on downstream tasks. However, these methods rely on augmentations that mimic low-pass filters, limiting their performance on tasks…

Machine Learning · Computer Science 2023-12-05 Chanakya Ekbote , Ajinkya Pankaj Deshpande , Arun Iyer , Ramakrishna Bairi , Sundararajan Sellamanickam

Reusing features in deep networks through dense connectivity is an effective way to achieve high computational efficiency. The recent proposed CondenseNet has shown that this mechanism can be further improved if redundant features are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Le Yang , Haojun Jiang , Ruojin Cai , Yulin Wang , Shiji Song , Gao Huang , Qi Tian

Networks are a unifying framework for modeling complex systems and network inference problems are frequently encountered in many fields. Here, I develop and apply a generative approach to network inference (RCweb) for the case when the…

Machine Learning · Statistics 2014-07-01 Nikolai Slavov

In this work, we propose a novel unsupervised deep learning model to address multi-focus image fusion problem. First, we train an encoder-decoder network in unsupervised manner to acquire deep feature of input images. And then we utilize…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Boyuan Ma , Xiaojuan Ban , Haiyou Huang , Yu Zhu

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He

Photo retouching aims at improving the aesthetic visual quality of images that suffer from photographic defects, especially for poor contrast, over/under exposure, and inharmonious saturation. In practice, photo retouching can be…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Yihao Liu , Jingwen He , Xiangyu Chen , Zhengwen Zhang , Hengyuan Zhao , Chao Dong , Yu Qiao

We propose a combined model, which integrates the latent factor model and the logistic regression model, for the citation network. It is noticed that neither a latent factor model nor a logistic regression model alone is sufficient to…

Machine Learning · Statistics 2019-12-03 Namjoon Suh , Xiaoming Huo , Eric Heim , Lee Seversky

Low-light image enhancement (LLIE) is critical in computer vision. Existing LLIE methods often fail to discover the underlying relationships between different sub-components, causing the loss of complementary information between multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Yudi Ruan , Hao Ma , Weikai Li , Xiao Wang

Current deep learning-based low-light image enhancement methods often struggle with high-resolution images, and fail to meet the practical demands of visual perception across diverse and unseen scenarios. In this paper, we introduce a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Tomáš Chobola , Yu Liu , Hanyi Zhang , Julia A. Schnabel , Tingying Peng