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Recent deep-learning based Super-Resolution (SR) methods have achieved remarkable performance on images with known degradation. However, these methods always fail in real-world scene, since the Low-Resolution (LR) images after the ideal…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Xiaozhong Ji , Guangpin Tao , Yun Cao , Ying Tai , Tong Lu , Chengjie Wang , Jilin Li , Feiyue Huang

Model quantization is challenging due to many tedious hyper-parameters such as precision (bitwidth), dynamic range (minimum and maximum discrete values) and stepsize (interval between discrete values). Unlike prior arts that carefully tune…

机器学习 · 计算机科学 2021-07-08 Zhang Zhaoyang , Shao Wenqi , Gu Jinwei , Wang Xiaogang , Luo Ping

We introduce a novel and generic convolutional unit, DiCE unit, that is built using dimension-wise convolutions and dimension-wise fusion. The dimension-wise convolutions apply light-weight convolutional filtering across each dimension of…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Sachin Mehta , Hannaneh Hajishirzi , Mohammad Rastegari

Massively parallel systolic arrays and resource-efficient depthwise separable convolutions are two promising techniques to accelerate DNN inference on the edge. Interestingly, their combination is inefficient: Computational patterns of…

硬件体系结构 · 计算机科学 2021-08-27 Vinod Ganesan , Pratyush Kumar

Monocular depth estimation (MDE) aims to infer per-pixel depth from a single RGB image. While diffusion models have advanced MDE with impressive generalization, they often exhibit limitations in accurately reconstructing far-range regions.…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Mingxia Zhan , Li Zhang , Yingjie Wang , Xiaomeng Chu , Beibei Wang , Yanyong Zhang

Deep neural networks have demonstrated highly competitive performance in super-resolution (SR) for natural images by learning mappings from low-resolution (LR) to high-resolution (HR) images. However, hyperspectral super-resolution remains…

图像与视频处理 · 电气工程与系统科学 2025-05-02 Usman Muhammad , Jorma Laaksonen , Lyudmila Mihaylova

Convolutional Recurrent Neural Network (CRNN) is a popular network for recognizing texts in images. Advances like the variant of CRNN, such as Dense Convolutional Network with Connectionist Temporal Classification, has reduced the running…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Zhao Zhang , Zemin Tang , Yang Wang , Haijun Zhang , Shuicheng Yan , Meng Wang

This work introduces pyramidal convolution (PyConv), which is capable of processing the input at multiple filter scales. PyConv contains a pyramid of kernels, where each level involves different types of filters with varying size and depth,…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

Most Video Super-Resolution (VSR) methods enhance a video reference frame by aligning its neighboring frames and mining information on these frames. Recently, deformable alignment has drawn extensive attention in VSR community for its…

计算机视觉与模式识别 · 计算机科学 2021-05-13 Jiayi Lin , Yan Huang , Liang Wang

Multi frame super-resolution(MFSR) achieves higher performance than single image super-resolution (SISR), because MFSR leverages abundant information from multiple frames. Recent MFSR approaches adapt the deformable convolution network…

图像与视频处理 · 电气工程与系统科学 2024-09-25 EungGu Kang , Byeonghun Lee , Sunghoon Im , Kyong Hwan Jin

Infrared Small Target Detection (IRSTD) system aims to identify small targets in complex backgrounds. Due to the convolution operation in Convolutional Neural Networks (CNNs), applying traditional CNNs to IRSTD presents challenges, since…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Yirui Chen , Yiming Zhu , Yuxin Jing , Tianpei Zhang , Jufeng Zhao

Recently, Convolution Neural Networks (CNNs) obtained huge success in numerous vision tasks. In particular, DenseNets have demonstrated that feature reuse via dense skip connections can effectively alleviate the difficulty of training very…

机器学习 · 计算机科学 2018-10-04 Mingjie Wang , Jun Zhou , Wendong Mao , Minglun Gong

Large Language Diffusion Models (LLDMs) benefit from a flexible decoding mechanism that enables parallelized inference and controllable generations over autoregressive models. Yet such flexibility introduces a critical challenge: inference…

机器学习 · 计算机科学 2025-12-05 Yichuan Mo , Quan Chen , Mingjie Li , Zeming Wei , Yisen Wang

Depthwise and pointwise convolutions have fewer parameters and perform fewer operations than standard convolutions. As a result, they have become increasingly used in various compact DNNs, including convolutional neural networks (CNNs) and…

性能 · 计算机科学 2024-08-06 Fareed Qararyah , Muhammad Waqar Azhar , Mohammad Ali Maleki , Pedro Trancoso

Over-fitting-based image compression requires weights compactness for compression and fast convergence for practical use, posing challenges for deep convolutional neural networks (CNNs) based methods. This paper presents a simple…

图像与视频处理 · 电气工程与系统科学 2023-10-13 Yun Ye , Yanjie Pan , Qually Jiang , Ming Lu , Xiaoran Fang , Beryl Xu

Convolution is an essential operation in signal and image processing and consumes most of the computing power in convolutional neural networks. Photonic convolution has the promise of addressing computational bottlenecks and outperforming…

光学 · 物理学 2023-08-14 Lingling Fan , Kai Wang , Heming Wang , Avik Dutt , Shanhui Fan

Spatial convolutions are extensively used in numerous deep video models. It fundamentally assumes spatio-temporal invariance, i.e., using shared weights for every location in different frames. This work presents Temporally-Adaptive…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Ziyuan Huang , Shiwei Zhang , Liang Pan , Zhiwu Qing , Yingya Zhang , Ziwei Liu , Marcelo H. Ang

We introduce Position Adaptive Convolution (PAConv), a generic convolution operation for 3D point cloud processing. The key of PAConv is to construct the convolution kernel by dynamically assembling basic weight matrices stored in Weight…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Mutian Xu , Runyu Ding , Hengshuang Zhao , Xiaojuan Qi

Fourier ptychography microscopy (FPM), sharing its roots with synthetic aperture technique and phase retrieval method, is a recently developed computational microscopic super-resolution technique. By turning on the light-emitting diode…

光学 · 物理学 2021-05-07 G. Zhou , S. Zhang , C. Zheng , T. Li , Y. Hu , Q. Hao

Recent vision transformers, large-kernel CNNs and MLPs have attained remarkable successes in broad vision tasks thanks to their effective information fusion in the global scope. However, their efficient deployments, especially on mobile…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Zhipeng Huang , Zhizheng Zhang , Cuiling Lan , Zheng-Jun Zha , Yan Lu , Baining Guo