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Early-stage 3D brain tumor segmentation from magnetic resonance imaging (MRI) scans is crucial for prompt and effective treatment. However, this process faces the challenge of precise delineation due to the tumors' complex heterogeneity.…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Ebtihal J. Alwadee , Xianfang Sun , Yipeng Qin , Frank C. Langbein

3D meshes are fundamental data representations for capturing complex geometric shapes in computer vision and graphics applications. While Convolutional Neural Networks (CNNs) have excelled in structured data like images, extending them to…

图形学 · 计算机科学 2025-07-09 Saqib Nazir , Olivier Lézoray , Sébastien Bougleux

We present an algorithm for extracting key-point descriptors using deep convolutional neural networks (CNN). Unlike many existing deep CNNs, our model computes local features around a given point in an image. We also present a face…

计算机视觉与模式识别 · 计算机科学 2016-02-01 Amit Kumar , Rajeev Ranjan , Vishal Patel , Rama Chellappa

Electrocardiogram (ECG)-based biometric recognition has emerged as a promising solution for secure authentication and liveness detection. However, most existing methods rely on unimodal deep learning architectures that independently process…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Arioua , Islameddine , Benzaoui , Amir , Zeroual , Abdelhafid , Houam , Lotfi

In this work, we present a novel 3D-Convolutional Neural Network (CNN) architecture called I2I-3D that predicts boundary location in volumetric data. Our fine-to-fine, deeply supervised framework addresses three critical issues to 3D…

计算机视觉与模式识别 · 计算机科学 2016-05-27 Jameson Merkow , David Kriegman , Alison Marsden , Zhuowen Tu

Deep learning has shown great potential for automated medical image segmentation to improve the precision and speed of disease diagnostics. However, the task presents significant difficulties due to variations in the scale, shape, texture,…

图像与视频处理 · 电气工程与系统科学 2024-09-06 Shahzaib Iqbal , Tariq M. Khan , Syed S. Naqvi , Asim Naveed , Erik Meijering

In this paper, we propose quantized densely connected U-Nets for efficient visual landmark localization. The idea is that features of the same semantic meanings are globally reused across the stacked U-Nets. This dense connectivity largely…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Zhiqiang Tang , Xi Peng , Shijie Geng , Lingfei Wu , Shaoting Zhang , Dimitris Metaxas

This paper presents a fully automatic registration method of dental cone-beam computed tomography (CBCT) and face scan data. It can be used for a digital platform of 3D jaw-teeth-face models in a variety of applications, including 3D…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Hyoung Suk Park , Chang Min Hyun , Sang-Hwy Lee , Jin Keun Seo , Kiwan Jeon

In medical imaging, precise annotation of lesions or organs is often required. However, 3D volumetric images typically consist of hundreds or thousands of slices, making the annotation process extremely time-consuming and laborious.…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Bingzhi Shen , Lufan Chang , Siqi Chen , Shuxiang Guo , Hao Liu

A successful point cloud registration often lies on robust establishment of sparse matches through discriminative 3D local features. Despite the fast evolution of learning-based 3D feature descriptors, little attention has been drawn to the…

计算机视觉与模式识别 · 计算机科学 2020-03-09 Xuyang Bai , Zixin Luo , Lei Zhou , Hongbo Fu , Long Quan , Chiew-Lan Tai

LiDAR scanning for surveying applications acquire measurements over wide areas and long distances, which produces large-scale 3D point clouds with significant local density variations. While existing 3D semantic segmentation models conduct…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Ryan Faulkner , Luke Haub , Simon Ratcliffe , Ian Reid , Tat-Jun Chin

We propose an attentive local feature descriptor suitable for large-scale image retrieval, referred to as DELF (DEep Local Feature). The new feature is based on convolutional neural networks, which are trained only with image-level…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Hyeonwoo Noh , Andre Araujo , Jack Sim , Tobias Weyand , Bohyung Han

This work studies learning from a synergy process of 3D Morphable Models (3DMM) and 3D facial landmarks to predict complete 3D facial geometry, including 3D alignment, face orientation, and 3D face modeling. Our synergy process leverages a…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Cho-Ying Wu , Qiangeng Xu , Ulrich Neumann

Automatic blood vessel extraction from 3D medical images is crucial for vascular disease diagnoses. Existing methods based on convolutional neural networks (CNNs) may suffer from discontinuities of extracted vessels when segmenting such…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Jiafa He , Chengwei Pan , Can Yang , Ming Zhang , Yang Wang , Xiaowei Zhou , Yizhou Yu

Accurate detection and classification of nuclei in histopathology images are critical for diagnostic and research applications. We present KongNet, a multi-headed deep learning architecture featuring a shared encoder and parallel,…

图像与视频处理 · 电气工程与系统科学 2026-05-13 Jiaqi Lv , Esha Sadia Nasir , Kesi Xu , Mostafa Jahanifar , Brinder Singh Chohan , Behnaz Elhaminia , Shan E Ahmed Raza

Accurate detection of pulmonary nodules with high sensitivity and specificity is essential for automatic lung cancer diagnosis from CT scans. Although many deep learning-based algorithms make great progress for improving the accuracy of…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Jingya Liu , Liangliang Cao , Oguz Akin , Yingli Tian

Object identification is one of the most fundamental and difficult issues in computer vision. It aims to discover object instances in real pictures from a huge number of established categories. In recent years, deep learning-based object…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Venkata Beri

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…

Identifying biomarkers in medical images is vital for a wide range of biotech applications. However, recent Transformer and CNN based methods often struggle with variations in morphology and staining, which limits their feature extraction…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Saad Wazir , Daeyoung Kim

Service robots, in general, have to work independently and adapt to the dynamic changes happening in the environment in real-time. One important aspect in such scenarios is to continually learn to recognize newer object categories when they…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Sudhakaran Jain , Hamidreza Kasaei