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Deformable image registration plays a critical role in various tasks of medical image analysis. A successful registration algorithm, either derived from conventional energy optimization or deep networks requires tremendous efforts from…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Xin Fan , Zi Li , Ziyang Li , Xiaolin Wang , Risheng Liu , Zhongxuan Luo , Hao Huang

In this paper, we present a Convolutional Neural Network (CNN) regression approach for real-time 2-D/3-D registration. Different from optimization-based methods, which iteratively optimize the transformation parameters over a scalar-valued…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Shun Miao , Z. Jane Wang , Rui Liao

We propose a scalable framework for the learning of high-dimensional parametric maps via adaptively constructed residual network (ResNet) maps between reduced bases of the inputs and outputs. When just few training data are available, it is…

Recently, deep learning based 3D face reconstruction methods have shown promising results in both quality and efficiency.However, training deep neural networks typically requires a large volume of data, whereas face images with ground-truth…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Yu Deng , Jiaolong Yang , Sicheng Xu , Dong Chen , Yunde Jia , Xin Tong

Brain image registration transforms a pair of images into one system with the matched imaging contents, which is of essential importance for brain image analysis. This paper presents a novel framework for unsupervised 3D brain image…

计算机视觉与模式识别 · 计算机科学 2019-07-04 Lihao Liu , Xiaowei Hu , Lei Zhu , Pheng-Ann Heng

Image registration techniques usually assume that the images to be registered are of a certain type (e.g. single- vs. multi-modal, 2D vs. 3D, rigid vs. deformable) and there lacks a general method that can work for data under all…

图像与视频处理 · 电气工程与系统科学 2025-01-28 Quang Luong Nhat Nguyen , Ruiming Cao , Laura Waller

The algorithms of one-shot neural architecture search(NAS) have been widely used to reduce computation consumption. However, because of the interference among the subnets in which weights are shared, the subnets inherited from these…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Jiawei Liu , Kaiyu Zhang , Weitai Hu , Qing Yang

Point cloud registration is a fundamental problem in 3D computer vision. Outdoor LiDAR point clouds are typically large-scale and complexly distributed, which makes the registration challenging. In this paper, we propose an efficient…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Fan Lu , Guang Chen , Yinlong Liu , Lijun Zhang , Sanqing Qu , Shu Liu , Rongqi Gu

One of the key drawbacks of 3D convolutional neural networks for segmentation is their memory footprint, which necessitates compromises in the network architecture in order to fit into a given memory budget. Motivated by the RevNet for…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Robin Brügger , Christian F. Baumgartner , Ender Konukoglu

Off-road environments remain significant challenges for autonomous ground vehicles, due to the lack of structured roads and the presence of complex obstacles, such as uneven terrain, vegetation, and occlusions. Traditional perception…

机器人学 · 计算机科学 2025-08-07 Zitong Chen , Chao Sun , Shida Nie , Chen Min , Changjiu Ning , Haoyu Li , Bo Wang

We propose a novel 3d shape representation for 3d shape reconstruction from a single image. Rather than predicting a shape directly, we train a network to generate a training set which will be fed into another learning algorithm to define…

计算机视觉与模式识别 · 计算机科学 2022-05-02 Biao Zhang , Peter Wonka

Few-shot segmentation targets to segment new classes with few annotated images provided. It is more challenging than traditional semantic segmentation tasks that segment known classes with abundant annotated images. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Jinlu Liu , Yongqiang Qin

3D Point cloud registration is still a very challenging topic due to the difficulty in finding the rigid transformation between two point clouds with partial correspondences, and it's even harder in the absence of any initial estimation…

计算机视觉与模式识别 · 计算机科学 2021-06-21 Zhijian Qiao , Huanshu Wei , Zhe Liu , Chuanzhe Suo , Hesheng Wang

We present OctNet, a representation for deep learning with sparse 3D data. In contrast to existing models, our representation enables 3D convolutional networks which are both deep and high resolution. Towards this goal, we exploit the…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Gernot Riegler , Ali Osman Ulusoy , Andreas Geiger

Traditional computer graphics rendering pipeline is designed for procedurally generating 2D quality images from 3D shapes with high performance. The non-differentiability due to discrete operations such as visibility computation makes it…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Thu Nguyen-Phuoc , Chuan Li , Stephen Balaban , Yong-Liang Yang

Recent advances in deep learning have improved 3D point cloud registration but increased graphics processing unit (GPU) memory usage, often requiring preliminary sampling that reduces accuracy. We propose an overlapping region sampling…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Tomoyasu Shimada , Kazuhiko Murasaki , Shogo Sato , Toshihiko Nishimura , Taiga Yoshida , Ryuichi Tanida

3D face registration is an important process in which a 3D face model is aligned and mapped to a template face. However, the task of 3D face registration becomes particularly challenging when dealing with partial face data, where only…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Yuchen Guo , Hanqun Cao , Lok Ming Lui

Image registration is a fundamental building block for various applications in medical image analysis. To better explore the correlation between the fixed and moving images and improve registration performance, we propose a novel deep…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Xiang Chen , Yan Xia , Nishant Ravikumar , Alejandro F Frangi

Traditional deep learning-based visual imitation learning techniques require a large amount of demonstration data for model training, and the pre-trained models are difficult to adapt to new scenarios. To address these limitations, we…

机器人学 · 计算机科学 2022-04-26 Dandan Zhang , Wen Fan , John Lloyd , Chenguang Yang , Nathan Lepora

We propose an approach to predict the 3D shape and pose for the objects present in a scene. Existing learning based methods that pursue this goal make independent predictions per object, and do not leverage the relationships amongst them.…

计算机视觉与模式识别 · 计算机科学 2020-03-06 Nilesh Kulkarni , Ishan Misra , Shubham Tulsiani , Abhinav Gupta