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Purpose: To develop a fast and precise method for searching rectangular regions in brain tumor images. Methods: The authors propose a new method for searching rectangular tumor regions in brain MR images. The proposed method consisted of a…

Image and Video Processing · Electrical Eng. & Systems 2026-01-08 Hidenori Takeshima , Shuki Maruyama

The recent success of neural networks enables a better interpretation of 3D point clouds, but processing a large-scale 3D scene remains a challenging problem. Most current approaches divide a large-scale scene into small regions and combine…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Chunghyun Park , Yoonwoo Jeong , Minsu Cho , Jaesik Park

We present tree extraction in 3D images as a graph refinement task, of obtaining a subgraph from an over-complete input graph. To this end, we formulate an approximate Bayesian inference framework on undirected graphs using mean field…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Raghavendra Selvan , Max Welling , Jesper H. Pedersen , Jens Petersen , Marleen de Bruijne

Decision trees are well-known due to their ease of interpretability. To improve accuracy, we need to grow deep trees or ensembles of trees. These are hard to interpret, offsetting their original benefits. Shapley values have recently become…

Machine Learning · Computer Science 2023-01-26 Peng Yu , Chao Xu , Albert Bifet , Jesse Read

Background: A crucial initial processing step for quantitative PET/CT analysis is the segmentation of tumor lesions enabling accurate feature ex-traction, tumor characterization, oncologic staging, and image-based therapy response…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Ludovic Sibille , Xinrui Zhan , Lei Xiang

Correctly capturing intraoperative brain shift in image-guided neurosurgical procedures is a critical task for aligning preoperative data with intraoperative geometry for ensuring accurate surgical navigation. While the finite element…

Image and Video Processing · Electrical Eng. & Systems 2022-10-18 Yasmin Salehi , Dennis Giannacopoulos

Although deep learning has demonstrated remarkable capability in learning from unstructured data, modern tree-based ensemble models remain superior in extracting relevant information and learning from structured datasets. While several…

Machine Learning · Computer Science 2026-02-05 Yi-Chun Liao , Chieh-Lin Tsai , Yuan-Hao Chang , Camélia Slimani , Jalil Boukhobza , Tei-Wei Kuo

One essential problem in skeleton-based action recognition is how to extract discriminative features over all skeleton joints. However, the complexity of the recent State-Of-The-Art (SOTA) models for this task tends to be exceedingly…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Yi-Fan Song , Zhang Zhang , Caifeng Shan , Liang Wang

We present a new class of fast polylog-linear algorithms based on the theory of structured matrices (in particular low displacement rank) for integrating tensor fields defined on weighted trees. Several applications of the resulting fast…

Random forest regression is a powerful non-parametric method that adapts to local data characteristics through data-driven partitioning, making it effective across diverse application domains. However, the piecewise constant nature of…

Machine Learning · Computer Science 2026-05-19 Ziyi Liu , Phuc Luong , Mario Boley , Daniel F. Schmidt

Attempting to apply deep learning methods to wood panels bark removal equipment to enhance the quality and efficiency of bark removal is a significant and challenging endeavor. This study develops and tests a deep learning-based wood panels…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Rijun Wang , Guanghao Zhang , Hongyang Chen , Xinye Yu , Yesheng Chen , Fulong Liang , Xiangwei Mou , Bo Wang

DBSCAN is a well-known density-based clustering algorithm to discover arbitrary shape clusters. While conceptually simple in serial, the algorithm is challenging to efficiently parallelize on manycore GPU architectures. Common pitfalls,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-30 Andrey Prokopenko , Damien Lebrun-Grandie , Daniel Arndt

Crowd counting has gained significant popularity due to its practical applications. However, mainstream counting methods ignore precise individual localization and suffer from annotation noise because of counting from estimating density…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Hao-Yuan Ma , Li Zhang , Xiang-Yi Wei

3D object detection from point clouds plays a critical role in autonomous driving. Currently, the primary methods for point cloud processing are voxel-based and pillar-based approaches. Voxel-based methods offer high accuracy through…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Liu Qifeng , Zhao Dawei , Dong Yabo , Xiao Liang , Wang Juan , Min Chen , Li Fuyang , Jiang Weizhong , Lu Dongming , Nie Yiming

The Tree-Particle-Mesh (TPM) N-body algorithm couples the tree algorithm for directly computing forces on particles in an hierarchical grouping scheme with the extremely efficient mesh based PM structured approach. The combined TPM…

Astrophysics · Physics 2009-10-31 Paul Bode , Jeremiah P. Ostriker , Guohong Xu

Fault tree analysis is a well-known technique in reliability engineering and risk assessment, which supports decision-making processes and the management of complex systems. Traditionally, fault tree (FT) models are built manually together…

Neural and Evolutionary Computing · Computer Science 2022-04-11 Lisandro A. Jimenez-Roa , Tom Heskes , Tiedo Tinga , Marielle Stoelinga

Object skeletons are useful for object representation and object detection. They are complementary to the object contour, and provide extra information, such as how object scale (thickness) varies among object parts. But object skeleton…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Wei Shen , Kai Zhao , Yuan Jiang , Yan Wang , Xiang Bai , Alan Yuille

In this paper, we investigate the combination of voxel-based methods and point-based methods, and propose a novel end-to-end two-stage 3D object detector named SGNet for point clouds scenes. The voxel-based methods voxelize the scene to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Hao Peng , Guofeng Tong , Zheng Li , Yaqi Wang , Yuyuan Shao

Segmenting tree structures is common in several image processing applications. In medical image analysis, reliable segmentations of airways, vessels, neurons and other tree structures can enable important clinical applications. We present a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Raghavendra Selvan , Jens Petersen , Jesper H. Pedersen , Marleen de Bruijne

Gravitational $N$-body simulations calculate numerous interactions between particles. The tree algorithm reduces these calculations by constructing a hierarchical oct-tree structure and approximating gravitational forces on particles. Over…

Instrumentation and Methods for Astrophysics · Physics 2024-01-09 Tomoyuki Tokuue , Tomoaki Ishiyama
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