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Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

图像与视频处理 · 电气工程与系统科学 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

Dynamic mode decomposition (DMD) has become a powerful data-driven method for analyzing the spatiotemporal dynamics of complex, high-dimensional systems. However, conventional DMD methods are limited to matrix-based formulations, which…

系统与控制 · 电气工程与系统科学 2025-08-05 Ziqin He , Mengqi Hu , Yifei Lou , Can Chen

The success of deep learning often derives from well-chosen operational building blocks. In this work, we revise the temporal convolution operation in CNNs to better adapt it to text processing. Instead of concatenating word…

计算与语言 · 计算机科学 2015-08-19 Tao Lei , Regina Barzilay , Tommi Jaakkola

Topology optimization is computationally demanding that requires the assembly and solution to a finite element problem for each material distribution hypothesis. As a complementary alternative to the traditional physics-based topology…

机器学习 · 计算机科学 2018-08-23 Saurabh Banga , Harsh Gehani , Sanket Bhilare , Sagar Patel , Levent Kara

We present an approach to semantic scene analysis using deep convolutional networks. Our approach is based on tangent convolutions - a new construction for convolutional networks on 3D data. In contrast to volumetric approaches, our method…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Maxim Tatarchenko , Jaesik Park , Vladlen Koltun , Qian-Yi Zhou

This paper explores the capabilities of convolutional neural networks to deal with a task that is easily manageable for humans: perceiving 3D pose of a human body from varying angles. However, in our approach, we are restricted to using a…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Agne Grinciunaite , Amogh Gudi , Emrah Tasli , Marten den Uyl

In this paper, we propose an efficient multi-level convolution architecture for 3D visual grounding. Conventional methods are difficult to meet the requirements of real-time inference due to the two-stage or point-based architecture.…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Wenxuan Guo , Xiuwei Xu , Ziwei Wang , Jianjiang Feng , Jie Zhou , Jiwen Lu

Encouraged by the success of Convolutional Neural Networks (CNNs) in image classification, recently much effort is spent on applying CNNs to video based action recognition problems. One challenge is that video contains a varying number of…

计算机视觉与模式识别 · 计算机科学 2015-04-17 Peng Wang , Yuanzhouhan Cao , Chunhua Shen , Lingqiao Liu , Heng Tao Shen

The discriminative power of modern deep learning models for 3D human action recognition is growing ever so potent. In conjunction with the recent resurgence of 3D human action representation with 3D skeletons, the quality and the pace of…

计算机视觉与模式识别 · 计算机科学 2017-04-18 Tae Soo Kim , Austin Reiter

Convolutional Neural Networks (CNNs) have achieved promising results in medical image segmentation. However, CNNs require lots of training data and are incapable of handling pose and deformation of objects. Furthermore, their pooling layers…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Minh Tran , Viet-Khoa Vo-Ho , Ngan T. H. Le

We introduce Video Transformer (VidTr) with separable-attention for video classification. Comparing with commonly used 3D networks, VidTr is able to aggregate spatio-temporal information via stacked attentions and provide better performance…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Yanyi Zhang , Xinyu Li , Chunhui Liu , Bing Shuai , Yi Zhu , Biagio Brattoli , Hao Chen , Ivan Marsic , Joseph Tighe

Motivated by the previous success of Two-Dimensional Convolutional Neural Network (2D CNN) on image recognition, researchers endeavor to leverage it to characterize videos. However, one limitation of applying 2D CNN to analyze videos is…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Junwu Weng , Donghao Luo , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xudong Jiang , Junsong Yuan

To meet the ever-increasing demand for higher data rates, 5G and 6G technologies are shifting transceivers to higher carrier frequencies, to support wider bandwidths and more antenna elements. Nevertheless, this solution poses several key…

It is well believed that video captioning is a fundamental but challenging task in both computer vision and artificial intelligence fields. The prevalent approach is to map an input video to a variable-length output sentence in a sequence…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Jingwen Chen , Yingwei Pan , Yehao Li , Ting Yao , Hongyang Chao , Tao Mei

Vision transformers are effective deep learning models for vision tasks, including medical image segmentation. However, they lack efficiency and translational invariance, unlike convolutional neural networks (CNNs). To model long-range…

图像与视频处理 · 电气工程与系统科学 2023-08-15 Liam Chalcroft , Ruben Lourenço Pereira , Mikael Brudfors , Andrew S. Kayser , Mark D'Esposito , Cathy J. Price , Ioannis Pappas , John Ashburner

Segmentation in 3D scans is playing an increasingly important role in current clinical practice supporting diagnosis, tissue quantification, or treatment planning. The current 3D approaches based on convolutional neural networks usually…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Alexey Novikov , David Major , Maria Wimmer , Dimitrios Lenis , Katja Bühler

The ability to identify and temporally segment fine-grained human actions throughout a video is crucial for robotics, surveillance, education, and beyond. Typical approaches decouple this problem by first extracting local spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Colin Lea , Michael D. Flynn , Rene Vidal , Austin Reiter , Gregory D. Hager

Action classification has made great progress, but segmenting and recognizing actions from long untrimmed videos remains a challenging problem. Most state-of-the-art methods focus on designing temporal convolution-based models, but the…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Dazhao Du , Bing Su , Yu Li , Zhongang Qi , Lingyu Si , Ying Shan

Tensor decompositions are powerful tools for analyzing multi-dimensional data in their original format. Besides tensor decompositions like Tucker and CP, Tensor SVD (t-SVD) which is based on the t-product of tensors is another extension of…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Mahdi Molavi , Mansoor Rezghi , Tayyebeh Saeedi

There has been a growing interest in using different approaches to improve the coding efficiency of modern video codec in recent years as demand for web-based video consumption increases. In this paper, we propose a model-based approach…

计算机视觉与模式识别 · 计算机科学 2018-02-09 Chichen Fu , Di Chen , Edward J. Delp , Zoe Liu , Fengqing Zhu