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This paper presents a novel approach for the differentiable rendering of convex polyhedra, addressing the limitations of recent methods that rely on implicit field supervision. Our technique introduces a strategy that combines…

Graphics · Computer Science 2024-07-23 Daxuan Ren , Haiyi Mei , Hezi Shi , Jianmin Zheng , Jianfei Cai , Lei Yang

Accurate delineation of kidney tumours in Computed Tomography (CT) is essential for downstream quantitative analysis and precision oncology, but manual segmentation is a specialised task, time-consuming and difficult to scale. Automated 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

Accurate assessment of Lung nodules is a time consuming and error prone ingredient of the radiologist interpretation work. Automating 3D volume detection and segmentation can improve workflow as well as patient care. Previous works have…

Image and Video Processing · Electrical Eng. & Systems 2019-07-29 Evi Kopelowitz , Guy Engelhard

Extending the success of 2D Large Kernel to 3D perception is challenging due to: 1. the cubically-increasing overhead in processing 3D data; 2. the optimization difficulties from data scarcity and sparsity. Previous work has taken the first…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Tao Lu , Xiang Ding , Haisong Liu , Gangshan Wu , Limin Wang

Recently 3D volumetric organ segmentation attracts much research interest in medical image analysis due to its significance in computer aided diagnosis. This paper aims to address the pancreas segmentation task in 3D computed tomography…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 Chaowei Fang , Guanbin Li , Chengwei Pan , Yiming Li , Yizhou Yu

We propose a novel approach for automatic extraction (instance segmentation) of fibers from low resolution 3D X-ray computed tomography scans of short glass fiber reinforced polymers. We have designed a 3D instance segmentation architecture…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Tomasz Konopczyński , Thorben Kröger , Lei Zheng , Jürgen Hesser

Over the last decade, the demand for better segmentation and classification algorithms in 3D spaces has significantly grown due to the popularity of new 3D sensor technologies and advancements in the field of robotics. Point-clouds are one…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Felipe Gomez Marulanda , Pieter Libin , Timothy Verstraeten , Ann Nowé

Cellular electron cryo-tomography enables the 3D visualization of cellular organization in the near-native state and at submolecular resolution. However, the contents of cellular tomograms are often complex, making it difficult to…

Quantitative Methods · Quantitative Biology 2017-12-29 Xiangrui Zeng , Miguel Ricardo Leung , Tzviya Zeev-Ben-Mordehai , Min Xu

The multi-line LiDAR is widely used in autonomous vehicles, so point cloud-based 3D detectors are essential for autonomous driving. Extracting rich multi-scale features is crucial for point cloud-based 3D detectors in autonomous driving due…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Xusheng Li , Chengliang Wang , Shumao Wang , Zhuo Zeng , Ji Liu

Fluorescence microscopy is a quintessential tool for observing cells and understanding the underlying mechanisms of life-sustaining processes of all living organisms. The problem of extracting 3D shape of mitochondria from fluorescence…

Image and Video Processing · Electrical Eng. & Systems 2023-03-06 Abhinanda R. Punnakkal , Suyog S Jadhav , Alexander Horsch , Krishna Agarwal , Dilip K. Prasad

Live cell microscopy sequences exhibit complex spatial structures and complicated temporal behaviour, making their analysis a challenging task. Considering cell segmentation problem, which plays a significant role in the analysis, the…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Assaf Arbelle , Tammy Riklin Raviv

In medical imaging analysis, deep learning has shown promising results. We frequently rely on volumetric data to segment medical images, necessitating the use of 3D architectures, which are commended for their capacity to capture interslice…

Image and Video Processing · Electrical Eng. & Systems 2023-05-18 Ikboljon Sobirov , Numan Saeed , Mohammad Yaqub

The autonomous car must recognize the driving environment quickly for safe driving. As the Light Detection And Range (LiDAR) sensor is widely used in the autonomous car, fast semantic segmentation of LiDAR point cloud, which is the…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Jaehyun Park , Chansoo Kim , Kichun Jo

Recently, deep convolutional neural networks have shown good results for image recognition. In this paper, we use convolutional neural networks with a finder module, which discovers the important region for recognition and extracts that…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yusei Miura , Tetsuya Sakurai , Claus Aranha , Toshiya Senda , Ryuichi Kato , Yusuke Yamada

Currently available star cluster catalogues from HST imaging of nearby galaxies heavily rely on visual inspection and classification of candidate clusters. The time-consuming nature of this process has limited the production of reliable…

Brain tumor segmentation plays a pivotal role in medical image processing. In this work, we aim to segment brain MRI volumes. 3D convolution neural networks (CNN) such as 3D U-Net and V-Net employing 3D convolutions to capture the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Chen Chen , Xiaopeng Liu , Meng Ding , Junfeng Zheng , Jiangyun Li

Biomedical image segmentation is a critical task in medical diagnosis and treatment planning, enabling precise delineation of anatomical structures and pathological regions. Despite significant advancements, challenges persist due to the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Joao Batista Florindo , Amanda Pontes de Oliveira Ornelas

Accurate segmenting nuclei instances is a crucial step in computer-aided image analysis to extract rich features for cellular estimation and following diagnosis as well as treatment. While it still remains challenging because the wide…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Yanning Zhou , Omer Fahri Onder , Qi Dou , Efstratios Tsougenis , Hao Chen , Pheng-Ann Heng

3D microscopy is key in the investigation of diverse biological systems, and the ever increasing availability of large datasets demands automatic cell identification methods that not only are accurate, but also can imply the uncertainty in…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Alvaro Gomariz , Tiziano Portenier , César Nombela-Arrieta , Orcun Goksel

Pap smear testing has been widely used for detecting cervical cancers based on the morphology properties of cell nuclei in microscopic image. An accurate nuclei segmentation could thus improve the success rate of cervical cancer screening.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Jie Zhao , Quanzheng Li , Xiang Li , Hongfeng Li , Li Zhang