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Related papers: Active Lighting Recurrence by Parallel Lighting An…

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Ambient Lighting Normalization (ALN) aims to restore images degraded by complex, spatially varying illumination conditions. Existing methods, such as IFBlend, leverage frequency-domain priors to model illumination variations, but still…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Jiatao Dai , Wei Dong , Han Zhou , Chengzhou Tang , Jun Chen

Few-shot fine-grained recognition (FS-FGR) aims to recognize novel fine-grained categories with the help of limited available samples. Undoubtedly, this task inherits the main challenges from both few-shot learning and fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Zican Zha , Hao Tang , Yunlian Sun , Jinhui Tang

Inverse rendering aims to reconstruct geometry and reflectance of objects from images. Despite recent progress, existing methods often produces inaccurate reconstructions that are sensitive to ambient illumination conditions. Here we…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Hoon-Gyu Chung , Jinnyeong Kim , Hyunwoo Kang , Seung-Hwan Baek

We consider the image denoising problem using total variation (TV) regularization. This problem can be computationally challenging to solve due to the non-differentiability and non-linearity of the regularization term. We propose an…

Optimization and Control · Mathematics 2014-08-26 Zhiwei Qin , Donald Goldfarb , Shiqian Ma

Active learning is a machine learning approach for reducing the data labeling effort. Given a pool of unlabeled samples, it tries to select the most useful ones to label so that a model built from them can achieve the best possible…

Machine Learning · Computer Science 2020-03-31 Dongrui Wu

Image-based lighting is a widely used technique to reproduce shading under real-world lighting conditions, especially in real-time rendering applications. A particularly challenging scenario involves materials exhibiting a sparkling or…

Graphics · Computer Science 2025-07-04 Tom Kneiphof , Reinhard Klein

Annotating datasets for object detection is an expensive and time-consuming endeavor. To minimize this burden, active learning (AL) techniques are employed to select the most informative samples for annotation within a constrained…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Chenhongyi Yang , Lichao Huang , Elliot J. Crowley

Practical face recognition has been studied in the past decades, but still remains an open challenge. Current prevailing approaches have already achieved substantial breakthroughs in recognition accuracy. However, their performance usually…

Computer Vision and Pattern Recognition · Computer Science 2015-11-03 Yandong Wen , Weiyang Liu , Meng Yang , Zhifeng Li

The often elusive Poincar\'e recurrence can be witnessed in a completely separable system. For such systems, the problem of recurrence reduces to the classic mathematical problem of simultaneous Diophantine approximation of multiple…

Quantum Physics · Physics 2017-09-20 J. M. Zhang , Y. Liu

The Aircraft Landing Problem (ALP) is one of the challenging problems in aircraft transportation and management. The challenge is to schedule the arriving aircraft in a sequence so that the cost and delays are optimized. There are various…

Machine Learning · Computer Science 2025-03-19 Vatsal Maru

Nighttime photographers are often troubled by light pollution of unwanted artificial lights. Artificial lights, after scattered by aerosols in the atmosphere, can inundate the starlight and degrade the quality of nighttime images, by…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Chang Liu , Xiaolin Wu

Continual offline reinforcement learning (CORL) aims to learn a sequence of tasks from datasets collected over time while preserving performance on previously learned tasks. This setting corresponds to domains where new tasks arise over…

Machine Learning · Computer Science 2026-04-29 Dominik Żurek , Kamil Faber , Marcin Pietron , Paweł Gajewski , Roberto Corizzo

The rise of AI-generated images (AIGIs) poses growing challenges for digital authenticity, prompting the need for efficient, generalizable image forgery detection systems. Existing methods, whether non-LLM-based or LLM-based, exhibit…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Qing Huang , Zhipei Xu , Xuanyu Zhang , Xiangyu Yu , Jian Zhang

We propose AttendLight, an end-to-end Reinforcement Learning (RL) algorithm for the problem of traffic signal control. Previous approaches for this problem have the shortcoming that they require training for each new intersection with a…

Machine Learning · Computer Science 2020-10-13 Afshin Oroojlooy , Mohammadreza Nazari , Davood Hajinezhad , Jorge Silva

Discrete return (DR) Laser Detection and Ranging (Ladar) systems provide a series of echoes that reflect from objects in a scene. These can be first, last or multi-echo returns. In contrast, Full-Waveform (FW)-Ladar systems measure the…

Optics · Physics 2016-02-18 Puneet S Chhabra , Andrew M Wallace , James R Hopgood

Deep neural networks (DNNs) are increasingly integrated into LiDAR (Light Detection and Ranging)-based perception systems for autonomous vehicles (AVs), requiring robust performance under adversarial conditions. We aim to address the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Minkyoung Cho , Yulong Cao , Zixiang Zhou , Z. Morley Mao

We propose an efficient lighting estimation pipeline that is suitable to run on modern mobile devices, with comparable resource complexities to state-of-the-art mobile deep learning models. Our pipeline, PointAR, takes a single RGB-D image…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Yiqin Zhao , Tian Guo

The promise of active learning (AL) is to reduce labelling costs by selecting the most valuable examples to annotate from a pool of unlabelled data. Identifying these examples is especially challenging with high-dimensional data (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Amin Parvaneh , Ehsan Abbasnejad , Damien Teney , Reza Haffari , Anton van den Hengel , Javen Qinfeng Shi

Multimodal large language models (MLLMs) have recently demonstrated remarkable reasoning and perceptual abilities for anomaly detection. However, most approaches remain confined to image-level anomaly detection and textual reasoning, while…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yizhou Jin , Yuezhu Feng , Jinjin Zhang , Peng Wang , Qingjie Liu , Yunhong Wang

Augmented Reality (AR) applications necessitates methods of inserting needed objects into scenes captured by cameras in a way that is coherent with the surroundings. Common AR applications require the insertion of predefined 3D objects with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Fouad Afiouni , Mohamad Fakih , Joey Sleiman
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