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Related papers: FreConv: Frequency Branch-and-Integration Convolut…

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The search for efficient neural network architectures has gained much focus in recent years, where modern architectures focus not only on accuracy but also on inference time and model size. Here, we present FUN, a family of novel…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Kfir Goldberg , Stav Shapiro , Elad Richardson , Shai Avidan

The Deep Convolutional Neural Networks (CNNs) have obtained a great success for pattern recognition, such as recognizing the texts in images. But existing CNNs based frameworks still have several drawbacks: 1) the traditaional pooling…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Zhao Zhang , Zemin Tang , Zheng Zhang , Yang Wang , Jie Qin , Meng Wang

Frequency dynamic convolution (FDY conv) has shown the state-of-the-art performance in sound event detection (SED) using frequency-adaptive kernels obtained by frequency-varying combination of basis kernels. However, FDY conv lacks an…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-11 Hyeonuk Nam , Seong-Hu Kim , Deokki Min , Junhyeok Lee , Yong-Hwa Park

It has been demonstrated that networks' parameters can be significantly reduced in the frequency domain with a very small decrease in accuracy. However, given the cost of frequency transforms, the computational complexity is not…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Chenqiu Zhao , Guanfang Dong , Anup Basu

Convolutional neural networks have demonstrated impressive results in many computer vision tasks. However, the increasing size of these networks raises concerns about the information overload resulting from the large number of network…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Chenqiu Zhao , Guanfang Dong , Shupei Zhang , Zijie Tan , Anup Basu

Neural representations for video (NeRV) have gained considerable attention for their strong performance across various video tasks. However, existing NeRV methods often struggle to capture fine spatial details, resulting in vague…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Li Yu , Zhihui Li , Chao Yao , Jimin Xiao , Moncef Gabbouj

Multimodal medical images play a crucial role in the precise and comprehensive clinical diagnosis. Diffusion model is a powerful strategy to synthesize the required medical images. However, existing approaches still suffer from the problem…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Jiahua Xu , Dawei Zhou , Lei Hu , Zaiyi Liu , Nannan Wang , Xinbo Gao

Homomorphic Encryption (HE), allowing computations on encrypted data (ciphertext) without decrypting it first, enables secure but prohibitively slow Convolutional Neural Network (CNN) inference for privacy-preserving applications in clouds.…

Cryptography and Security · Computer Science 2022-06-23 Yuxiao Lu , Jie Lin , Chao Jin , Zhe Wang , Min Wu , Khin Mi Mi Aung , Xiaoli Li

Frequency spectrum has played a significant role in learning unique and discriminating features for object recognition. Both low and high frequency information present in images have been extracted and learnt by a host of representation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Divyam Anshumaan , Akshay Agarwal , Mayank Vatsa , Richa Singh

Understanding the internal process of ConvNets is commonly done using visualization techniques. However, these techniques do not usually provide a tool for estimating the stability of a ConvNet against noise. In this paper, we show how to…

Computer Vision and Pattern Recognition · Computer Science 2015-11-17 Elnaz J. Heravi , Hamed H. Aghdam , Domenec Puig

Recently, 2D convolution has been found unqualified in sound event detection (SED). It enforces translation equivariance on sound events along frequency axis, which is not a shift-invariant dimension. To address this issue, dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-23 Haobo Yue , Zhicheng Zhang , Da Mu , Yonghao Dang , Jianqin Yin , Jin Tang

Semantic segmentation of ultra-high-resolution (UHR) remote sensing imagery is critical for applications like environmental monitoring and urban planning but faces computational and optimization challenges. Conventional methods either lose…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Hengzhi Chen , Liqian Feng , Wenhua Wu , Xiaogang Zhu , Shawn Leo , Kun Hu

Vision-Language Models (VLMs) incur substantial computational overhead and inference latency due to the large number of vision tokens introduced by high-resolution image and video inputs. Existing parameter-free token compression methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Huanyu Wang , Jushi Kai , Haoli Bai , Lu Hou , Bo Jiang , Ziwei He , Zhouhan Lin

Compact neural networks are inclined to exploit "sparsely-connected" convolutions such as depthwise convolution and group convolution for employment in mobile applications. Compared with standard "fully-connected" convolutions, these…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Zheng Qin , Zhaoning Zhang , Shiqing Zhang , Hao Yu , Yuxing Peng

This paper introduces an efficient design approach for a fast-convolution-based variable-bandwidth (VBW) filter. The proposed approach is based on a hybrid of frequency sampling and optimization (HFSO), that offers significant computational…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Oksana Moryakova , Håkan Johansson

Time-frequency analysis is an important and challenging task in many applications. Fourier and wavelet analysis are two classic methods that have achieved remarkable success in many fields. However, they also exhibit limitations when…

Machine Learning · Computer Science 2024-10-25 Feng Zhou , Antonio Cicone , Haomin Zhou

We tackle the problem of using 3D information in convolutional neural networks for down-stream recognition tasks. Using depth as an additional channel alongside the RGB input has the scale variance problem present in image convolution based…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Hang Chu , Wei-Chiu Ma , Kaustav Kundu , Raquel Urtasun , Sanja Fidler

Deep generative approaches have obtained great success in image inpainting recently. However, most generative inpainting networks suffer from either over-smooth results or aliasing artifacts. The former lacks high-frequency details, while…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Ze Lu , Yalei Lv , Wenqi Wang , Pengfei Xiong

Convolutional Neural Networks (CNNs) are widely used in fault diagnosis of mechanical systems due to their powerful feature extraction and classification capabilities. However, the CNN is a typical black-box model, and the mechanism of…

Artificial Intelligence · Computer Science 2024-03-12 Qian Chen , Xingjian Dong , Guowei Tu , Dong Wang , Baoxuan Zhao , Zhike Peng

We introduce FPConv, a novel surface-style convolution operator designed for 3D point cloud analysis. Unlike previous methods, FPConv doesn't require transforming to intermediate representation like 3D grid or graph and directly works on…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Yiqun Lin , Zizheng Yan , Haibin Huang , Dong Du , Ligang Liu , Shuguang Cui , Xiaoguang Han