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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…

图形学 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

定量方法 · 定量生物学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 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…

图像与视频处理 · 电气工程与系统科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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…

计算机视觉与模式识别 · 计算机科学 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.…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Jie Zhao , Quanzheng Li , Xiang Li , Hongfeng Li , Li Zhang