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This paper introduces the Neural Differential Manifold (NDM), a novel neural network architecture that explicitly incorporates geometric structure into its fundamental design. Departing from conventional Euclidean parameter spaces, the NDM…

机器学习 · 计算机科学 2025-10-30 Di Zhang

Anatomical trees play a central role in clinical diagnosis and treatment planning. However, accurately representing anatomical trees is challenging due to their varying and complex topology and geometry. Traditional methods for representing…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Ashish Sinha , Ghassan Hamarneh

Modeling the distribution of natural images is a landmark problem in unsupervised learning. This task requires an image model that is at once expressive, tractable and scalable. We present a deep neural network that sequentially predicts…

计算机视觉与模式识别 · 计算机科学 2016-08-22 Aaron van den Oord , Nal Kalchbrenner , Koray Kavukcuoglu

In this paper, we introduce a new model for leveraging unlabeled data to improve generalization performances of image classifiers: a two-branch encoder-decoder architecture called HybridNet. The first branch receives supervision signal and…

机器学习 · 计算机科学 2018-07-31 Thomas Robert , Nicolas Thome , Matthieu Cord

Learned inverse problem solvers exhibit remarkable performance in applications like image reconstruction tasks. These data-driven reconstruction methods often follow a two-step scheme. First, one trains the often neural network-based…

Implicit neural representations (INRs) have emerged as a powerful paradigm for medical imaging via physics-informed unsupervised learning. Classical INRs optimize an entire network from scratch for each subject, leading to inefficient…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Qing Wu , Xuanyu Tian , Chenhe Du , Haonan Zhang , Xiao Wang , Le Lu , Yuyao Zhang

Robust segmentation for non-elongated tissues in medical images is hard to realize due to the large variation of the shape, size, and appearance of these tissues in different patients. In this paper, we present an end-to-end trainable deep…

图像与视频处理 · 电气工程与系统科学 2020-04-06 Qian Yu , Yinghuan Shi , Yefeng Zheng , Yang Gao , Jianbing Zhu , Yakang Dai

Generating realistic intermediate shapes between non-rigidly deformed shapes is a challenging task in computer vision, especially with unstructured data (e.g., point clouds) where temporal consistency across frames is lacking, and…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Lu Sang , Zehranaz Canfes , Dongliang Cao , Riccardo Marin , Florian Bernard , Daniel Cremers

Shape implicit neural representations (INRs) have recently shown to be effective in shape analysis and reconstruction tasks. Existing INRs require point coordinates to learn the implicit level sets of the shape. When a normal vector is…

计算机视觉与模式识别 · 计算机科学 2023-05-18 Yizhak Ben-Shabat , Chamin Hewa Koneputugodage , Stephen Gould

We propose a novel tree-like curvilinear structure reconstruction algorithm based on supervised learning and graph theory. In this work we analyze image patches to obtain the local major orientations and the rankings that correspond to the…

计算机视觉与模式识别 · 计算机科学 2016-12-09 Seong-Gyun Jeong , Yuliya Tarabalka , Nicolas Nisse , Josiane Zerubia

The objective of this paper is 3D shape understanding from single and multiple images. To this end, we introduce a new deep-learning architecture and loss function, SilNet, that can handle multiple views in an order-agnostic manner. The…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Olivia Wiles , Andrew Zisserman

Geometric trees are characterized by their tree-structured layout and spatially constrained nodes and edges, which significantly impacts their topological attributes. This inherent hierarchical structure plays a crucial role in domains such…

机器学习 · 计算机科学 2024-08-19 Zheng Zhang , Allen Zhang , Ruth Nelson , Giorgio Ascoli , Liang Zhao

Man-made 3D shapes are naturally organized in parts and hierarchies; such structures provide important constraints for shape reconstruction and generation. Modeling shape structures is difficult, because there can be multiple hierarchies…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Jiepeng Wang , Hao Pan , Yang Liu , Xin Tong , Taku Komura , Wenping Wang

Buildings' segmentation is a fundamental task in the field of earth observation and aerial imagery analysis. Most existing deep learning-based methods in the literature can be applied to a fixed or narrow-range spatial resolution imagery.…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Hasan Nasrallah , Mustafa Shukor , Ali J. Ghandour

Initialization of neural network parameters, such as weights and biases, has a crucial impact on learning performance; if chosen well, we can even avoid the need for additional training with backpropagation. For example, algorithms based on…

机器学习 · 计算机科学 2026-03-16 Hikaru Homma , Jun Ohkubo

Neural networks designed for the task of classification have become a commodity in recent years. Many works target the development of more effective networks, which results in a complexification of their architectures with more layers,…

机器学习 · 计算机科学 2019-11-14 A. Deliege , A. Cioppa , M. Van Droogenbroeck

We present an unsupervised 3D shape co-segmentation method which learns a set of deformable part templates from a shape collection. To accommodate structural variations in the collection, our network composes each shape by a selected subset…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Zhiqin Chen , Qimin Chen , Hang Zhou , Hao Zhang

Decoding images from brain activity has been a challenge. Owing to the development of deep learning, there are available tools to solve this problem. The decoded image, which aims to map neural spike trains to low-level visual features and…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Wenyi Li , Shengjie Zheng , Yufan Liao , Rongqi Hong , Weiliang Chen , Chenggnag He , Xiaojian Li

We present a novel neural network architecture, termed Decomposer-Composer, for semantic structure-aware 3D shape modeling. Our method utilizes an auto-encoder-based pipeline, and produces a novel factorized shape embedding space, where the…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Anastasia Dubrovina , Fei Xia , Panos Achlioptas , Mira Shalah , Raphael Groscot , Leonidas Guibas

Understanding how anatomical shapes evolve in response to developmental covariates and quantifying their spatially varying uncertainties is critical in healthcare research. Existing approaches typically rely on global time-warping…