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With the growing popularity of deep-learning models, model understanding becomes more important. Much effort has been devoted to demystify deep neural networks for better interpretability. Some feature attribution methods have shown…

计算与语言 · 计算机科学 2022-04-27 Sheng Zhang , Jin Wang , Haitao Jiang , Rui Song

One of the key challenges of deep learning based image retrieval remains in aggregating convolutional activations into one highly representative feature vector. Ideally, this descriptor should encode semantic, spatial and low level…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Konstantin Schall , Kai Uwe Barthel , Nico Hezel , Klaus Jung

The unstructured nature of point clouds demands that local aggregation be adaptive to different local structures. Previous methods meet this by explicitly embedding spatial relations into each aggregation process. Although this coupled…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Binjie Chen , Yunzhou Xia , Yu Zang , Cheng Wang , Jonathan Li

Deep neural networks typically rely on the representation produced by their final hidden layer to make predictions, implicitly assuming that this single vector fully captures the semantics encoded across all preceding transformations.…

机器学习 · 计算机科学 2025-11-18 Gennaro Vessio

An efficient way to learn deep density models that have many layers of latent variables is to learn one layer at a time using a model that has only one layer of latent variables. After learning each layer, samples from the posterior…

机器学习 · 计算机科学 2012-06-22 Yichuan Tang , Ruslan Salakhutdinov , Geoffrey Hinton

In Unsupervised Domain Adaptive Semantic Segmentation (UDA-SS), a model is trained on labeled source domain data (e.g., synthetic images) and adapted to an unlabeled target domain (e.g., real-world images) without access to target…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Md. Al-Masrur Khan , Durgakant Pushp , Lantao Liu

Identifying robust and accurate correspondences across images is a fundamental problem in computer vision that enables various downstream tasks. Recent semi-dense matching methods emphasize the effectiveness of fusing relevant cross-view…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Hongkai Chen , Zixin Luo , Yurun Tian , Xuyang Bai , Ziyu Wang , Lei Zhou , Mingmin Zhen , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

State-of-the-art models for semantic segmentation are based on adaptations of convolutional networks that had originally been designed for image classification. However, dense prediction and image classification are structurally different.…

计算机视觉与模式识别 · 计算机科学 2016-05-03 Fisher Yu , Vladlen Koltun

Recent proposed neural network-based Temporal Action Detection (TAD) models are inherently limited to extracting the discriminative representations and modeling action instances with various lengths from complex scenes by shared-weights…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Le Yang , Ziwei Zheng , Yizeng Han , Hao Cheng , Shiji Song , Gao Huang , Fan Li

In the realm of deep learning, spatial attention mechanisms have emerged as a vital method for enhancing the performance of convolutional neural networks. However, these mechanisms possess inherent limitations that cannot be overlooked.…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Xin Zhang , Chen Liu , Degang Yang , Tingting Song , Yichen Ye , Ke Li , Yingze Song

Accurate and real-time surgical instrument segmentation is important in the endoscopic vision of robot-assisted surgery, and significant challenges are posed by frequent instrument-tissue contacts and continuous change of observation…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Fangbo Qin , Shan Lin , Yangming Li , Randall A. Bly , Kris S. Moe , Blake Hannaford

The 2D object detection in clean images has been a well studied topic, but its vulnerability against adversarial attack is still worrying. Existing work has improved robustness of object detectors by adversarial training, at the same time,…

计算机视觉与模式识别 · 计算机科学 2021-08-27 Weipeng Xu , Hongcheng Huang , Shaoyou Pan

Activation functions (AF) are necessary components of neural networks that allow approximation of functions, but AFs in current use are usually simple monotonically increasing functions. In this paper, we propose trainable compound AF (TCA)…

机器学习 · 计算机科学 2022-04-28 Paul M. Baggenstoss

Many real-world machine learning applications are characterized by a huge number of features, leading to computational and memory issues, as well as the risk of overfitting. Ideally, only relevant and non-redundant features should be…

机器学习 · 计算机科学 2023-06-21 Paolo Bonetti , Alberto Maria Metelli , Marcello Restelli

Although the deep learning recognition model has been widely used in the condition monitoring of rotating machinery. However, it is still a challenge to understand the correspondence between the structure and function of the model and the…

机器学习 · 计算机科学 2024-05-01 Ruijun Wang , Yuan Liu , Zhixia Fan , Xiaogang Xu , Huijie Wang

Multi-scale representations deeply learned via convolutional neural networks have shown tremendous importance for various pixel-level prediction problems. In this paper we present a novel approach that advances the state of the art on…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Dan Xu , Xavier Alameda-Pineda , Wanli Ouyang , Elisa Ricci , Xiaogang Wang , Nicu Sebe

Recognition of low-quality face images remains a challenge due to invisible or deformation in partial facial regions. For low-quality images dominated by missing partial facial regions, local region similarity contributes more to face…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Wang Yu , Wei Wei

Given a set of hand-crafted local features, acquiring a global representation via aggregation is a promising technique to boost computational efficiency and improve task performance. Existing feature aggregation (FA) approaches, including…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Xingxing Zhang , Zhenfeng Zhu , Yao Zhao

Ensemble learning leverages multiple models (i.e., weak learners) on a common machine learning task to enhance prediction performance. Basic ensembling approaches average the weak learners outputs, while more sophisticated ones stack a…

机器学习 · 计算机科学 2024-09-20 Mathieu Vu , Emilie Chouzenoux , Ismail Ben Ayed , Jean-Christophe Pesquet

In Federated Learning, a common approach for aggregating local models across clients is periodic averaging of the full model parameters. It is, however, known that different layers of neural networks can have a different degree of model…

机器学习 · 计算机科学 2022-01-04 Sunwoo Lee , Tuo Zhang , Chaoyang He , Salman Avestimehr