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Related papers: Training-Free Zero-Shot Anomaly Detection in 3D Br…

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Zero-shot anomaly detection (ZSAD) is crucial for detecting anomalous patterns in target datasets without using training samples, specifically in scenarios where there are distributional differences between the target domain and training…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jiyul Ham , Yonggon Jung , Jun-Geol Baek

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Recently, large-scale pre-trained models such as Segment-Anything Model (SAM) and Contrastive Language-Image Pre-training (CLIP) have demonstrated remarkable success and revolutionized the field of computer vision. These foundation vision…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Shichao Dong , Fayao Liu , Guosheng Lin

Recently introduced zero-shot self-supervised learning (ZS-SSL) has shown potential in accelerated MRI in a scan-specific scenario, which enabled high-quality reconstructions without access to a large training dataset. ZS-SSL has been…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Heng Yu , Yamin Arefeen , Berkin Bilgic

Magnetic Resonance Imaging (MRI) is the gold standard in countless diagnostic procedures, yet hardware complexity, long scans, and cost preclude rapid screening and point-of-care use. We introduce Imageless Magnetic Resonance Diagnosis…

We introduce Metric3D v2, a geometric foundation model for zero-shot metric depth and surface normal estimation from a single image, which is crucial for metric 3D recovery. While depth and normal are geometrically related and highly…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Mu Hu , Wei Yin , Chi Zhang , Zhipeng Cai , Xiaoxiao Long , Kaixuan Wang , Hao Chen , Gang Yu , Chunhua Shen , Shaojie Shen

Reliable anomaly detection in brain MRI remains challenging due to the scarcity of annotated abnormal cases and the frequent absence of key imaging modalities in real clinical workflows. Existing single-class or multi-class anomaly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Changwei Wu , Yifei Chen , Yuxin Du , Mingxuan Liu , Jinying Zong , Beining Wu , Jie Dong , Feiwei Qin , Yunkang Cao , Qiyuan Tian

Video anomaly detection (VAD) aims to automatically identify events that deviate from normal patterns in untrimmed surveillance videos. Existing methods universally depend on large-scale annotations or task-specific training procedures,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Chao Huang , Penfei Wei , Wei Wang , Jie Wen , Zhihua Wang , Li Shen , Wenqi Ren , Xiaochun Cao

Recent research has seen numerous supervised learning-based methods for 3D shape segmentation and remarkable performance has been achieved on various benchmark datasets. These supervised methods require a large amount of annotated data to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Xiang Li , Lingjing Wang , Yi Fang

3D detection technology is widely used in the field of autonomous driving, with its application scenarios gradually expanding from enclosed highways to open conventional roads. For rare anomaly categories that appear on the road, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Shiyi Mu , Zichong Gu , Hanqi Lyu , Yilin Gao , Shugong Xu

Expert interpretation of anatomical images of the human brain is the central part of neuro-radiology. Several machine learning-based techniques have been proposed to assist in the analysis process. However, the ML models typically need to…

Understanding the hidden mechanisms behind human's visual perception is a fundamental question in neuroscience. To that end, investigating into the neural responses of human mind activities, such as functional Magnetic Resonance Imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yuankun Yang , Li Zhang , Ziyang Xie , Zhiyuan Yuan , Jianfeng Feng , Xiatian Zhu , Yu-Gang Jiang

Histological analysis plays a crucial role in understanding tissue structure and pathology. While recent advancements in registration methods have improved 2D histological analysis, they often struggle to preserve critical 3D spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Juming Xiong , Ruining Deng , Jialin Yue , Siqi Lu , Junlin Guo , Marilyn Lionts , Tianyuan Yao , Can Cui , Junchao Zhu , Chongyu Qu , Mengmeng Yin , Haichun Yang , Yuankai Huo

3D Anomaly Detection (AD) is a promising means of controlling the quality of manufactured products. However, existing methods typically require carefully training a task-specific model for each category independently, leading to high cost,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jiayi Cheng , Can Gao , Jie Zhou , Jiajun Wen , Tao Dai , Jinbao Wang

While three-dimensional imaging is essential for clinical diagnosis, its high cost and long wait times have motivated the use of image-to-3D foundation models to infer volume from two-dimensional modalities. However, because these models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yan Luo , Advaith Ravishankar , Serena Liu , Yutong Yang , Mengyu Wang

With the development of large language models, many remarkable linguistic systems like ChatGPT have thrived and achieved astonishing success on many tasks, showing the incredible power of foundation models. In the spirit of unleashing the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Dingyuan Zhang , Dingkang Liang , Hongcheng Yang , Zhikang Zou , Xiaoqing Ye , Zhe Liu , Xiang Bai

In this paper, we demonstrate the feasibility and performance of deep residual neural networks for volumetric segmentation of irreversibly damaged brain tissue lesions on T1-weighted MRI scans for chronic stroke patients. A total of 239…

Image and Video Processing · Electrical Eng. & Systems 2019-11-27 Naofumi Tomita , Steven Jiang , Matthew E. Maeder , Saeed Hassanpour

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

Image and Video Processing · Electrical Eng. & Systems 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

We introduce a novel framework for design and optimization of 3D freeform metalenses that attains nearly linear scaling of computational cost with diameter, by breaking the lens into a sequence of radial "zones" with $n$-fold discrete…

This paper studies the problem of Line Segment Detection (LSD) for the characterization of line geometry in images, with the aim of learning a domain-agnostic robust LSD model that works well for any natural images. With the focus of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Zeran Ke , Bin Tan , Xianwei Zheng , Yujun Shen , Tianfu Wu , Nan Xue