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Deep learning has demonstrated remarkable achievements in medical image segmentation. However, prevailing deep learning models struggle with poor generalization due to (i) intra-class variations, where the same class appears differently in…

图像与视频处理 · 电气工程与系统科学 2024-08-09 Vandan Gorade , Sparsh Mittal , Debesh Jha , Rekha Singhal , Ulas Bagci

Robust 3D occupancy prediction is essential for autonomous driving, particularly under adverse weather conditions where traditional vision-only systems struggle. While the fusion of surround-view 4D radar and cameras offers a promising…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Long Yang , Lianqing Zheng , Wenjin Ai , Minghao Liu , Sen Li , Qunshu Lin , Shengyu Yan , Jie Bai , Zhixiong Ma , Tao Huang , Xichan Zhu

The idea of style similarity metrics has been recently developed for various media types such as 2D clip art and 3D shapes. We explore this style metric problem and improve existing style similarity metrics of 3D shapes in four novel ways.…

图形学 · 计算机科学 2015-12-31 Kapil Dev , Manfred Lau

Dyadic regression models, which output real-valued predictions for pairs of entities, are fundamental in many domains (e.g. obtaining user-product ratings in Recommender Systems) and promising and under exploration in others (e.g. tuning…

Image segmentation plays a pivotal role in several medical-imaging applications by assisting the segmentation of the regions of interest. Deep learning-based approaches have been widely adopted for semantic segmentation of medical data. In…

图像与视频处理 · 电气工程与系统科学 2021-01-20 Abhishek Shivdeo , Rohit Lokwani , Viraj Kulkarni , Amit Kharat , Aniruddha Pant

Existing methods for human parsing into body parts and clothing often use fixed mask categories with broad labels that obscure fine-grained clothing types. Recent open-vocabulary segmentation approaches leverage pretrained text-to-image…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Kiran Chhatre , Christopher Peters , Srikrishna Karanam

What spatial frequency information do humans and neural networks use to recognize objects? In neuroscience, critical band masking is an established tool that can reveal the frequency-selective filters used for object recognition. Critical…

机器学习 · 计算机科学 2023-11-07 Ajay Subramanian , Elena Sizikova , Najib J. Majaj , Denis G. Pelli

The most popular classification algorithms are designed to maximize classification accuracy during training. However, this strategy may fail in the presence of class imbalance since it is possible to train models with high accuracy by…

机器学习 · 计算机科学 2024-01-26 Erhan Can Ozcan , Berk Görgülü , Mustafa G. Baydogan , Ioannis Ch. Paschalidis

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,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Jiayi Cheng , Can Gao , Jie Zhou , Jiajun Wen , Tao Dai , Jinbao Wang

Differential atmospheric dispersion is a wavelength-dependent effect introduced by Earth's atmosphere that affects astronomical observations performed using ground-based telescopes. It is important, when observing at a zenithal angle…

天体物理仪器与方法 · 物理学 2021-03-17 B. Wehbe. , A. Cabral , L. Sbordone , G. Avila

Shape is an important physical property of natural and manmade 3D objects that characterizes their external appearances. Understanding differences between shapes and modeling the variability within and across shape classes, hereinafter…

图形学 · 计算机科学 2018-12-27 Hamid Laga

Sampling discrepancies between different manufacturers and models of lidar sensors result in inconsistent representations of objects. This leads to performance degradation when 3D detectors trained for one lidar are tested on other types of…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Darren Tsai , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

Reliable 3D-2D alignment between intraoral scan (IOS) models and lateral cephalometric radiographs is critical for orthodontic diagnosis, yet conventional intensity-driven registration methods struggle under real clinical conditions, where…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Yiyi Miao , Taoyu Wu , Ji Jiang , Tong Chen , Zhe Tang , Zhengyong Jiang , Angelos Stefanidis , Limin Yu , Jionglong Su

Overlap-based metrics such as the Dice Similarity Coefficient (DSC) penalize segmentation errors more heavily in smaller structures. As organ size differs by sex, this implies that a segmentation error of equal magnitude may result in lower…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Hartmut Häntze , Myrthe Buser , Alessa Hering , Lisa C. Adams , Keno K. Bressem

High-fidelity 3D anatomical reconstruction is a prerequisite for downstream clinical tasks such as preoperative planning, radiotherapy target delineation, and orthopedic implant design. We present Med-PU, a knowledge-driven framework that…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Tongxu Zhang , Bei Wang

The Segment Anything Model (SAM) emerges as a powerful vision foundation model to generate high-quality 2D segmentation results. This paper aims to generalize SAM to segment 3D objects. Rather than replicating the data acquisition and…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Jiazhong Cen , Jiemin Fang , Zanwei Zhou , Chen Yang , Lingxi Xie , Xiaopeng Zhang , Wei Shen , Qi Tian

Recent advances in 3D foundation models have led to growing interest in reconstructing humans and their surrounding environments. However, most existing approaches focus on monocular inputs, and extending them to multi-view settings…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Sangmin Kim , Minhyuk Hwang , Geonho Cha , Dongyoon Wee , Jaesik Park

Edge labels are typically at various granularity levels owing to the varying preferences of annotators, thus handling the subjectivity of per-pixel labels has been a focal point for edge detection. Previous methods often employ a simple…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Xing Liufu , Chaolei Tan , Xiaotong Lin , Yonggang Qi , Jinxuan Li , Jian-Fang Hu

In recent years, sketch-based 3D shape retrieval has attracted growing attention. While many previous studies have focused on cross-modal matching between hand-drawn sketches and 3D shapes, the critical issue of how to handle low-quality…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Yiyang Cai , Jiaming Lu , Jiewen Wang , Shuang Liang

The standardized mean difference (SMD) is a widely used measure of effect size, particularly common in psychology, clinical trials, and meta-analysis involving continuous outcomes. Traditionally, under the equal variance assumption, the SMD…

统计方法学 · 统计学 2025-06-05 Jiandong Shi , Xiaochen Zhang , Lu Lin , Hiu Yee Kwan , Tiejun Tong