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Accurate identification and precise delineation of regions of significance, such as tumors or lesions, is a pivotal goal in medical imaging analysis. This paper proposes SPEEDNet, a novel architecture for precisely segmenting lesions within…

Image and Video Processing · Electrical Eng. & Systems 2023-12-05 Tushir Sahu , Vidhi Bhatt , Sai Chandra Teja R , Sparsh Mittal , Nagesh Kumar S

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…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Jingya Liu , Liangliang Cao , Oguz Akin , Yingli Tian

Exploiting fine-grained semantic features on point cloud is still challenging due to its irregular and sparse structure in a non-Euclidean space. Among existing studies, PointNet provides an efficient and promising approach to learn shape…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Foundation models have recently emerged as powerful feature extractors in computational pathology, yet they typically omit mechanisms for leveraging the global spatial structure of tissues and the local contextual relationships among…

Depth completion is a key task in autonomous driving, aiming to complete sparse LiDAR depth measurements into high-quality dense depth maps through image guidance. However, existing methods usually treat depth maps as an additional channel…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Kuang Zhu , Xingli Gan , Min Sun

3D segmentation with deep learning if trained with full resolution is the ideal way of achieving the best accuracy. Unlike in 2D, 3D segmentation generally does not have sparse outliers, prevents leakage to surrounding soft tissues, at the…

Image and Video Processing · Electrical Eng. & Systems 2020-06-11 Orhan Akal , Zhigang Peng , Gerardo Hermosillo Valadez

Minimizing invasive diagnostic procedures to reduce the risk of patient injury and infection is a central goal in medical imaging. And yet, noninvasive diagnosis of perineural invasion (PNI), a critical prognostic factor involving…

Motivated by the increasing popularity of attention mechanisms, we observe that popular convolutional (conv.) attention models like Squeeze-and-Excite (SE) and Convolutional Block Attention Module (CBAM) rely on expensive multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Majedaldein Almahasneh , Xianghua Xie , Adeline Paiement

Deep image registration has demonstrated exceptional accuracy and fast inference. Recent advances have adopted either multiple cascades or pyramid architectures to estimate dense deformation fields in a coarse-to-fine manner. However, due…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xinxing Cheng , Xi Jia , Wenqi Lu , Qiufu Li , Linlin Shen , Alexander Krull , Jinming Duan

Although convolutional neural networks have achieved remarkable success in analyzing 2D images/videos, it is still non-trivial to apply the well-developed 2D techniques in regular domains to the irregular 3D point cloud data. To bridge this…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Qijian Zhang , Junhui Hou , Yue Qian , Juyong Zhang , Ying He

3D object recognition has attracted wide research attention in the field of multimedia and computer vision. With the recent proliferation of deep learning, various deep models with different representations have achieved the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Haoxuan You , Yifan Feng , Rongrong Ji , Yue Gao

Prototypical-part methods, e.g., ProtoPNet, enhance interpretability in image recognition by linking predictions to training prototypes, thereby offering intuitive insights into their decision-making. Existing methods, which rely on a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Chong Wang , Yuanhong Chen , Fengbei Liu , Yuyuan Liu , Davis James McCarthy , Helen Frazer , Gustavo Carneiro

Geometry Projection is a powerful depth estimation method in monocular 3D object detection. It estimates depth dependent on heights, which introduces mathematical priors into the deep model. But projection process also introduces the error…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Yan Lu , Xinzhu Ma , Lei Yang , Tianzhu Zhang , Yating Liu , Qi Chu , Junjie Yan , Wanli Ouyang

Pulmonary nodule detection, false positive reduction and segmentation represent three of the most common tasks in the computeraided analysis of chest CT images. Methods have been proposed for eachtask with deep learning based methods…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Hao Tang , Chupeng Zhang , Xiaohui Xie

Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

Image and Video Processing · Electrical Eng. & Systems 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

Airborne light detection and ranging (LiDAR) plays an increasingly significant role in urban planning, topographic mapping, environmental monitoring, power line detection and other fields thanks to its capability to quickly acquire…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Congcong Wen , Xiang Li , Xiaojing Yao , Ling Peng , Tianhe Chi

Graph Neural Networks (GNNs) are a promising deep learning approach for circumventing many real-world problems on graph-structured data. However, these models usually have at least one of four fundamental limitations: over-smoothing,…

Machine Learning · Computer Science 2022-10-03 Xun Liu , Alex Hay-Man Ng , Fangyuan Lei , Yikuan Zhang , Zhengmin Li

Occlusion and the scarcity of labeled surgical data are significant challenges in disparity estimation for stereo laparoscopic images. To address these issues, this study proposes a Depth Guided Occlusion-Aware Disparity Refinement Network…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Ziteng Liu , Dongdong He , Chenghong Zhang , Wenpeng Gao , Yili Fu

Monocular 3D object detection, with the aim of predicting the geometric properties of on-road objects, is a promising research topic for the intelligent perception systems of autonomous driving. Most state-of-the-art methods follow a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Tianze Gao , Huihui Pan , Huijun Gao

This paper proposes a novel module called middle spectrum grouped convolution (MSGC) for efficient deep convolutional neural networks (DCNNs) with the mechanism of grouped convolution. It explores the broad "middle spectrum" area between…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Zhuo Su , Jiehua Zhang , Tianpeng Liu , Zhen Liu , Shuanghui Zhang , Matti Pietikäinen , Li Liu