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The celebrated Sequence to Sequence learning (Seq2Seq) technique and its numerous variants achieve excellent performance on many tasks. However, many machine learning tasks have inputs naturally represented as graphs; existing Seq2Seq…

人工智能 · 计算机科学 2018-12-04 Kun Xu , Lingfei Wu , Zhiguo Wang , Yansong Feng , Michael Witbrock , Vadim Sheinin

A recent method employs 3D voxels to represent 3D shapes, but this limits the approach to low resolutions due to the computational cost caused by the cubic complexity of 3D voxels. Hence the method suffers from a lack of detailed geometry.…

计算机视觉与模式识别 · 计算机科学 2018-11-08 Zhizhong Han , Mingyang Shang , Xiyang Wang , Yu-Shen Liu , Matthias Zwicker

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

Sketch is an important media for human to communicate ideas, which reflects the superiority of human intelligence. Studies on sketch can be roughly summarized into recognition and generation. Existing models on image recognition failed to…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Yajing Chen , Shikui Tu , Yuqi Yi , Lei Xu

Among 2D convolutional networks on point clouds, point-based approaches consume point clouds of fixed size directly. By analysis of PointNet, a pioneer in introducing deep learning into point sets, we reveal that current point-based methods…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Zhenpeng Chen , Yuan li

In this paper, we propose an object reconstruction apparatus that uses the so-called Generic Primitives (GP) to complete shapes. A GP is a 3D point cloud depicting a generalized shape of a class of objects. To reconstruct the objects in a…

计算机视觉与模式识别 · 计算机科学 2020-06-04 Tiberiu Cocias , Alexandru Razvant , Sorin Grigorescu

Defect detection is a basic and essential task in automatic parts production, especially for automotive engine precision parts. In this paper, we propose a new idea to construct a deep convolutional network combining related knowledge of…

计算机视觉与模式识别 · 计算机科学 2018-10-30 Zhenshen Qu , Jianxiong Shen , Ruikun Li , Junyu Liu , Qiuyu Guan

Realistic speech-driven 3D facial animation is a challenging problem due to the complex relationship between speech and face. In this paper, we propose a deep architecture, called Geometry-guided Dense Perspective Network (GDPnet), to…

图形学 · 计算机科学 2020-08-25 Jingying Liu , Binyuan Hui , Kun Li , Yunke Liu , Yu-Kun Lai , Yuxiang Zhang , Yebin Liu , Jingyu Yang

We propose a method for reconstructing 3D shapes from 2D sketches in the form of line drawings. Our method takes as input a single sketch, or multiple sketches, and outputs a dense point cloud representing a 3D reconstruction of the input…

计算机视觉与模式识别 · 计算机科学 2017-10-02 Zhaoliang Lun , Matheus Gadelha , Evangelos Kalogerakis , Subhransu Maji , Rui Wang

We propose to recover 3D shape structures from single RGB images, where structure refers to shape parts represented by cuboids and part relations encompassing connectivity and symmetry. Given a single 2D image with an object depicted, our…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Chengjie Niu , Jun Li , Kai Xu

This paper presents VQ-SGen, a novel algorithm for high-quality creative sketch generation. Recent approaches have framed the task as pixel-based generation either as a whole or part-by-part, neglecting the intrinsic and contextual…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Jiawei Wang , Zhiming Cui , Changjian Li

This paper presents a novel latent 3D diffusion model for the generation of neural voxel fields, aiming to achieve accurate part-aware structures. Compared to existing methods, there are two key designs to ensure high-quality and accurate…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Yuhang Huang , SHilong Zou , Xinwang Liu , Kai Xu

Designing efficient quantum circuits is a central bottleneck to exploring the potential of quantum computing, particularly for noisy intermediate-scale quantum (NISQ) devices, where circuit efficiency and resilience to errors are paramount.…

量子物理 · 物理学 2025-10-31 Jun Dai , Michael Rizvi-Martel , Guillaume Rabusseau

Subsurface earth models (referred to as geo-models) are crucial for characterizing complex subsurface systems. Multiple-point statistics are commonly used to generate geo-models. In this paper, a deep-learning-based generative method is…

地球物理 · 物理学 2023-08-23 Jungang Chen , Chung-Kan Huang , Jose F. Delgado , Siddharth Misra

Convolutional neural networks have gained a remarkable success in computer vision. However, most usable network architectures are hand-crafted and usually require expertise and elaborate design. In this paper, we provide a block-wise…

计算机视觉与模式识别 · 计算机科学 2018-05-15 Zhao Zhong , Junjie Yan , Wei Wu , Jing Shao , Cheng-Lin Liu

Methods that use neural networks for synthesizing 3D shapes in the form of a part-based representation have been introduced over the last few years. These methods represent shapes as a graph or hierarchy of parts and enable a variety of…

图形学 · 计算机科学 2024-09-20 Yanran Guan , Oliver van Kaick

Geometric deep learning enables the encoding of physical symmetries in modeling 3D objects. Despite rapid progress in encoding 3D symmetries into Graph Neural Networks (GNNs), a comprehensive evaluation of the expressiveness of these…

机器学习 · 计算机科学 2023-04-12 Weitao Du , Yuanqi Du , Limei Wang , Dieqiao Feng , Guifeng Wang , Shuiwang Ji , Carla Gomes , Zhi-Ming Ma

We introduce RIM-Net, a neural network which learns recursive implicit fields for unsupervised inference of hierarchical shape structures. Our network recursively decomposes an input 3D shape into two parts, resulting in a binary tree…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Chengjie Niu , Manyi Li , Kai Xu , Hao Zhang

This work introduces a novel method for embedding continuous variables into quantum circuits via piecewise polynomial features, utilizing low-rank tensor networks. Our approach, termed Piecewise Polynomial Tensor Network Quantum Feature…

量子物理 · 物理学 2025-01-06 Mazen Ali , Matthias Kabel

This paper introduces HPNet, a novel deep-learning approach for segmenting a 3D shape represented as a point cloud into primitive patches. The key to deep primitive segmentation is learning a feature representation that can separate points…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Siming Yan , Zhenpei Yang , Chongyang Ma , Haibin Huang , Etienne Vouga , Qixing Huang