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Precise boundary segmentation of volumetric images is a critical task for image-guided diagnosis and computer-assisted intervention, especially for boundary confusion in clinical practice. However, U-shape networks cannot effectively…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Xin You , Ming Ding , Minghui Zhang , Hanxiao Zhang , Yi Yu , Jie Yang , Yun Gu

Promising results for subjective image quality prediction have been achieved during the past few years by using convolutional neural networks (CNN). However, the use of CNNs for high resolution image quality assessment remains a challenge,…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Jari Korhonen , Yicheng Su , Junyong You

Classifying facial expressions into different categories requires capturing regional distortions of facial landmarks. We believe that second-order statistics such as covariance is better able to capture such distortions in regional facial…

计算机视觉与模式识别 · 计算机科学 2018-05-15 Dinesh Acharya , Zhiwu Huang , Danda Paudel , Luc Van Gool

Downsampling layers, including pooling and strided convolutions, are crucial components of the convolutional neural network architecture that determine both the granularity/scale of image feature analysis as well as the receptive field size…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Mehraveh Javan , Matthew Toews , Marco Pedersoli

Network traffic classification is a core primitive for network security and management, yet it is increasingly challenged by pervasive encryption and evolving protocols. A central bottleneck is representation: hand-crafted flow statistics…

网络与互联网体系结构 · 计算机科学 2026-02-10 Zhaochen Guo , Tianyufei Zhou , Honghao Wang , Ronghua Li , Shinan Liu

Detecting complex events in a large video collection crawled from video websites is a challenging task. When applying directly good image-based feature representation, e.g., HOG, SIFT, to videos, we have to face the problem of how to pool…

计算机视觉与模式识别 · 计算机科学 2016-08-22 Lan Wang , Chenqiang Gao , Jiang Liu , Deyu Meng

Convolutional Neural Networks (CNNs) have been successful in solving tasks in computer vision including medical image segmentation due to their ability to automatically extract features from unstructured data. However, CNNs are sensitive to…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Minh Tran , Viet-Khoa Vo-Ho , Kyle Quinn , Hien Nguyen , Khoa Luu , Ngan Le

Accurate polyp segmentation is of great importance for colorectal cancer diagnosis. However, even with a powerful deep neural network, there still exists three big challenges that impede the development of polyp segmentation. (i) Samples…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Jun Wei , Yiwen Hu , Ruimao Zhang , Zhen Li , S. Kevin Zhou , Shuguang Cui

The recognition ability of human beings is developed in a progressive way. Usually, children learn to discriminate various objects from coarse to fine-grained with limited supervision. Inspired by this learning process, we propose a simple…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Huaxi Huang , Junjie Zhang , Jian Zhang , Qiang Wu , Jingsong Xu

View based strategies for 3D object recognition have proven to be very successful. The state-of-the-art methods now achieve over 90% correct category level recognition performance on appearance images. We improve upon these methods by…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Chu Wang , Marcello Pelillo , Kaleem Siddiqi

Recently, Transformer-based models have achieved promising results in various vision tasks, due to their ability to model long-range dependencies. However, transformers are computationally expensive, which limits their applications in…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Mohammed A. M. Elhassan , Changjun Zhou , Amina Benabid , Abuzar B. M. Adam

We propose a novel framework for image clustering that incorporates joint representation learning and clustering. Our method consists of two heads that share the same backbone network - a "representation learning" head and a "clustering"…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Kien Do , Truyen Tran , Svetha Venkatesh

As deep learning models grow in complexity and the volume of training data increases, reducing storage and computational costs becomes increasingly important. Dataset distillation addresses this challenge by synthesizing a compact set of…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Zhe Li , Sarah Cechnicka , Cheng Ouyang , Katharina Breininger , Peter Schüffler , Bernhard Kainz

In this paper, we propose a novel deep learning network L1-(2D)2PCANet for face recognition, which is based on L1-norm-based two-directional two-dimensional principal component analysis (L1-(2D)2PCA). In our network, the role of L1-(2D)2PCA…

计算机视觉与模式识别 · 计算机科学 2019-07-24 YunKun Li , XiaoJun Wu , Josef Kittler

3D shape analysis is an important research topic in computer vision and graphics. While existing methods have generalized image-based deep learning to meshes using graph-based convolutions, the lack of an effective pooling operation…

图形学 · 计算机科学 2019-08-08 Yu-Jie Yuan , Yu-Kun Lai , Jie Yang , Hongbo Fu , Lin Gao

Recently, there has been an emerging trend to integrate persistent homology (PH) into graph neural networks (GNNs) to enrich expressive power. However, naively plugging PH features into GNN layers always results in marginal improvement with…

机器学习 · 计算机科学 2024-10-21 Chaolong Ying , Xinjian Zhao , Tianshu Yu

Capsule Networks (CapsNets) is a machine learning architecture proposed to overcome some of the shortcomings of convolutional neural networks (CNNs). However, CapsNets have mainly outperformed CNNs in datasets where images are small and/or…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Juan P. Vigueras-Guillén , Arijit Patra , Ola Engkvist , Frank Seeliger

Our formal understanding of the inductive bias that drives the success of convolutional networks on computer vision tasks is limited. In particular, it is unclear what makes hypotheses spaces born from convolution and pooling operations so…

神经与进化计算 · 计算机科学 2017-04-19 Nadav Cohen , Amnon Shashua

Deep neural networks with alternating convolutional, max-pooling and decimation layers are widely used in state of the art architectures for computer vision. Max-pooling purposefully discards precise spatial information in order to create…

计算机视觉与模式识别 · 计算机科学 2016-04-19 Sina Honari , Jason Yosinski , Pascal Vincent , Christopher Pal

A number of recent studies have shown that a Deep Convolutional Neural Network (DCNN) pretrained on a large dataset can be adopted as a universal image description which leads to astounding performance in many visual classification tasks.…

计算机视觉与模式识别 · 计算机科学 2014-12-01 Lingqiao Liu , Chunhua Shen , Anton van den Hengel