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One object class may show large variations due to diverse illuminations, backgrounds and camera viewpoints. Traditional object detection methods often perform worse under unconstrained video environments. To address this problem, many…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Dapeng Luo , Zhipeng Zeng , Nong Sang , Xiang Wu , Longsheng Wei , Quanzheng Mou , Jun Cheng , Chen Luo

Multi-view anomaly detection aims to identify surface defects on complex objects using observations captured from multiple viewpoints. However, existing unsupervised methods often suffer from feature inconsistency arising from viewpoint…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Letian Bai , Chengyu Tao , Juan Du

Nearest neighbor (kNN) methods utilizing deep pre-trained features exhibit very strong anomaly detection performance when applied to entire images. A limitation of kNN methods is the lack of segmentation map describing where the anomaly…

计算机视觉与模式识别 · 计算机科学 2021-02-04 Niv Cohen , Yedid Hoshen

In this paper, we propose SPACE, a novel anomaly detection methodology that integrates a Feature Encoder (FE) into the structure of the Student-Teacher method. The proposed method has two key elements: Spatial Consistency regularization…

计算机视觉与模式识别 · 计算机科学 2024-11-12 Daehwan Kim , Hyungmin Kim , Daun Jeong , Sungho Suh , Hansang Cho

Scene recognition is currently one of the top-challenging research fields in computer vision. This may be due to the ambiguity between classes: images of several scene classes may share similar objects, which causes confusion among them.…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós , Álvaro García-Martín

Neighbor Embedding (NE) aims to preserve pairwise similarities between data items and has been shown to yield an effective principle for data visualization. However, even the best existing NE methods such as Stochastic Neighbor Embedding…

机器学习 · 计算机科学 2021-09-15 Zhirong Yang , Yuwei Chen , Denis Sedov , Samuel Kaski , Jukka Corander

Accurate subsurface scattering solutions require the integration of optical material properties along many complicated light paths. We present a method that learns a simple geometric approximation of random paths in a homogeneous volume of…

图形学 · 计算机科学 2020-11-09 Ludwig Leonard , Kevin Hoehlein , Ruediger Westermann

Novel view synthesis from images, for example, with 3D Gaussian splatting, has made great progress. Rendering fidelity and speed are now ready even for demanding virtual reality applications. However, the problem of assisting humans in…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ayaka Yasunaga , Hideo Saito , Dieter Schmalstieg , Shohei Mori

Anomaly detection aims to distinguish observations that are rare and different from the majority. While most existing algorithms assume that instances are i.i.d., in many practical scenarios, links describing instance-to-instance…

机器学习 · 计算机科学 2019-10-10 Yuening Li , Xiao Huang , Jundong Li , Mengnan Du , Na Zou

Progress in video anomaly detection research is currently slowed by small datasets that lack a wide variety of activities as well as flawed evaluation criteria. This paper aims to help move this research effort forward by introducing a…

计算机视觉与模式识别 · 计算机科学 2020-01-27 Bharathkumar Ramachandra , Michael Jones

Anomaly detection is important in many real-life applications. Recently, self-supervised learning has greatly helped deep anomaly detection by recognizing several geometric transformations. However these methods lack finer features, usually…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Loic Jezequel , Ngoc-Son Vu , Jean Beaudet , Aymeric Histace

Efficient localization and high-quality rendering in large-scale scenes remain a significant challenge due to the computational cost involved. While Scene Coordinate Regression (SCR) methods perform well in small-scale localization, they…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Mingkai Liu , Dikai Fan , Haohua Que , Haojia Gao , Xiao Liu , Shuxue Peng , Meixia Lin , Shengyu Gu , Ruicong Ye , Wanli Qiu , Handong Yao , Ruopeng Zhang , Xianliang Huang

Self-supervised learning (SSL) has emerged as a powerful technique for learning visual representations. While recent SSL approaches achieve strong results in global image understanding, they are limited in capturing the structured…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Oussama Hadjerci , Antoine Letienne , Mohamed Abbas Hedjazi , Adel Hafiane

In this paper, we propose an accurate and real-time anomaly detection and localization in crowded scenes, and two descriptors for representing anomalous behavior in video are proposed. We consider a video as being a set of cubic patches.…

计算机视觉与模式识别 · 计算机科学 2016-01-05 Mohammad Sabokrou , Mahmood Fathy , Mojtaba Hosseini

We propose to jointly learn multi-view geometry and warping between views of the same object instances for robust cross-view object detection. What makes multi-view object instance detection difficult are strong changes in viewpoint,…

机器学习 · 计算机科学 2019-07-26 Ahmed Samy Nassar , Sebastien Lefevre , Jan D. Wegner

Self-supervised learning allows for better utilization of unlabelled data. The feature representation obtained by self-supervision can be used in downstream tasks such as classification, object detection, segmentation, and anomaly…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Rabia Ali , Muhammad Umar Karim Khan , Chong Min Kyung

Anomaly detection is a critical task across numerous domains and modalities, yet existing methods are often highly specialized, limiting their generalizability. These specialized models, tailored for specific anomaly types like textural…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Zhaopeng Gu , Bingke Zhu , Guibo Zhu , Yingying Chen , Wei Ge , Ming Tang , Jinqiao Wang

Due to the high inter-class similarity caused by the complex composition and the co-existing objects across scenes, numerous studies have explored object semantic knowledge within scenes to improve scene recognition. However, a resulting…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Chuanxin Song , Hanbo Wu , Xin Ma , Yibin Li

Approaches for single-view reconstruction typically rely on viewpoint annotations, silhouettes, the absence of background, multiple views of the same instance, a template shape, or symmetry. We avoid all such supervision and assumptions by…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Tom Monnier , Matthew Fisher , Alexei A. Efros , Mathieu Aubry

We present a novel method of classifying Type Ia supernovae using convolutional neural networks, a neural network framework typically used for image recognition. Our model is trained on photometric information only, eliminating the need for…

天体物理仪器与方法 · 物理学 2021-11-10 Helen Qu , Masao Sako , Anais Möller , Cyrille Doux