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Learning new tasks accumulatively without forgetting remains a critical challenge in continual learning. Generative experience replay addresses this challenge by synthesizing pseudo-data points for past learned tasks and later replaying…

Machine Learning · Computer Science 2023-10-09 Zizhao Hu , Mohammad Rostami

We introduce a binary latent space autoencoder architecture to rehearse training samples for the continual learning of neural networks. The ability to extend the knowledge of a model with new data without forgetting previously learned…

Machine Learning · Computer Science 2020-12-01 Kamil Deja , Paweł Wawrzyński , Daniel Marczak , Wojciech Masarczyk , Tomasz Trzciński

Recently, self-supervised representation learning gives further development in multimedia technology. Most existing self-supervised learning methods are applicable to packaged data. However, when it comes to streamed data, they are…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Zhiwei Lin , Yongtao Wang , Hongxiang Lin

In real-world applications, dynamic scenarios require the models to possess the capability to learn new tasks continuously without forgetting the old knowledge. Experience-Replay methods store a subset of the old images for joint training.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Xinyuan Gao , Songlin Dong , Yuhang He , Xing Wei , Yihong Gong

Detecting anomalies in large complex systems is a critical and challenging task. The difficulties arise from several aspects. First, collecting ground truth labels or prior knowledge for anomalies is hard in real-world systems, which often…

Machine Learning · Computer Science 2021-06-01 Huiling Qin , Xianyuan Zhan , Yu Zheng

In the ever-evolving adversarial machine learning landscape, developing effective defenses against patch attacks has become a critical challenge, necessitating reliable solutions to safeguard real-world AI systems. Although diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Jia Fu , Xiao Zhang , Sepideh Pashami , Fatemeh Rahimian , Anders Holst

Current image captioning works usually focus on generating descriptions in an autoregressive manner. However, there are limited works that focus on generating descriptions non-autoregressively, which brings more decoding diversity. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Yufeng He , Zefan Cai , Xu Gan , Baobao Chang

We aim at constructing a high performance model for defect detection that detects unknown anomalous patterns of an image without anomalous data. To this end, we propose a two-stage framework for building anomaly detectors using normal…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Chun-Liang Li , Kihyuk Sohn , Jinsung Yoon , Tomas Pfister

Decompositional reconstruction of 3D scenes, with complete shapes and detailed texture of all objects within, is intriguing for downstream applications but remains challenging, particularly with sparse views as input. Recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Junfeng Ni , Yu Liu , Ruijie Lu , Zirui Zhou , Song-Chun Zhu , Yixin Chen , Siyuan Huang

Data streams are rarely static in dynamic environments like Industry 4.0. Instead, they constantly change, making traditional offline models outdated unless they can quickly adjust to the new data. This need can be adequately addressed by…

Unsupervised Anomaly Detection (UAD) methods aim to identify anomalies in test samples comparing them with a normative distribution learned from a dataset known to be anomaly-free. Approaches based on generative models offer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Sergio Naval Marimont , Vasilis Siomos , Matthew Baugh , Christos Tzelepis , Bernhard Kainz , Giacomo Tarroni

While existing feed-forward Gaussian splatting models offer computational efficiency and can generalize to sparse view settings, their performance is fundamentally constrained by relying on a single forward pass for inference. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Haofei Xu , Daniel Barath , Andreas Geiger , Marc Pollefeys

Recent advances in diffusion models have demonstrated remarkable capabilities in video generation. However, the computational intensity remains a significant challenge for practical applications. While feature caching has been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Xuran Ma , Yexin Liu , Yaofu Liu , Xianfeng Wu , Mingzhe Zheng , Zihao Wang , Ser-Nam Lim , Harry Yang

Parametric Computer-Aided Design (CAD) is fundamental to modern 3D modeling, yet existing methods struggle to generate long command sequences, especially under complex geometric and topological dependencies. Transformer-based architectures…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Xiaolei Zhou , Chuangjie Fang , Jie Wu , Jingyi Yang , Boyi Lin , Jianwei Zheng

Continual learning (CL) aims to develop techniques by which a single model adapts to an increasing number of tasks encountered sequentially, thereby potentially leveraging learnings across tasks in a resource-efficient manner. A major…

Machine Learning · Computer Science 2022-04-18 Rishabh Tiwari , Krishnateja Killamsetty , Rishabh Iyer , Pradeep Shenoy

While Hyperspectral Anomaly Detection (HAD) excels at identifying sparse targets in complex scenes, existing models remain trapped in a scalar "reconstruction-as-endpoint" paradigm. This reliance on ambiguous scalar residuals consistently…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Jijun Xiang , Tao Wang , Jiayi Wang , Pengxiang Wang , Cheng Chen , Nian Wang

Industrial anomaly detection is an important task within computer vision with a wide range of practical use cases. The small size of anomalous regions in many real-world datasets necessitates processing the images at a high resolution. This…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Blaž Rolih , Dick Ameln , Ashwin Vaidya , Samet Akcay

Anomaly detection (AD) has attracted remarkable attention in hyperspectral image (HSI) processing fields, and most existing deep learning (DL)-based algorithms indicate dramatic potential for detecting anomaly samples through specific…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Jianing Wang , Siying Guo , Zheng Hua , Runhu Huang , Jinyu Hu , Maoguo Gong

Anomaly detection plays a vital role in industrial manufacturing. Due to the scarcity of real defect images, unsupervised approaches that rely solely on normal images have been extensively studied. Recently, diffusion-based generative…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Sungho Kang , Hyunkyu Park , Yeonho Lee , Hanbyul Lee , Mijoo Jeong , YeongHyeon Park , Injae Lee , Juneho Yi

Sample-efficient online reinforcement learning often uses replay buffers to store experience for reuse when updating the value function. However, uniform replay is inefficient, since certain classes of transitions can be more relevant to…

Machine Learning · Computer Science 2025-05-12 Renhao Wang , Kevin Frans , Pieter Abbeel , Sergey Levine , Alexei A. Efros