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This paper proposes a Rotation-equivariant Attention Feature Fusion Pyramid Networks for Aerial Object Detection named ReAFFPN. ReAFFPN aims at improving the effect of rotation-equivariant features fusion between adjacent layers which…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Chongyu Sun , Yang Xu , Zebin Wu , Zhihui Wei

We propose a Spatiotemporal Sampling Network (STSN) that uses deformable convolutions across time for object detection in videos. Our STSN performs object detection in a video frame by learning to spatially sample features from the adjacent…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

There is much recent interest in techniques to accelerate the data acquisition process in MRI by acquiring limited measurements. Often sophisticated reconstruction algorithms are deployed to maintain high image quality in such settings. In…

图像与视频处理 · 电气工程与系统科学 2022-05-20 Zhishen Huang , Saiprasad Ravishankar

Deep Convolutional Neural Networks (DCNNs) commonly use generic `max-pooling' (MP) layers to extract deformation-invariant features, but we argue in favor of a more refined treatment. First, we introduce epitomic convolution as a building…

计算机视觉与模式识别 · 计算机科学 2014-12-02 George Papandreou , Iasonas Kokkinos , Pierre-André Savalle

Convolutional networks have been the paradigm of choice in many computer vision applications. The convolution operation however has a significant weakness in that it only operates on a local neighborhood, thus missing global information.…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Irwan Bello , Barret Zoph , Ashish Vaswani , Jonathon Shlens , Quoc V. Le

Generic object detection has been immensely promoted by the development of deep convolutional neural networks in the past decade. However, in the domain shift circumstance, the changes in weather, illumination, etc., often cause domain gap,…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Hang Yang , Shan Jiang , Xinge Zhu , Mingyang Huang , Zhiqiang Shen , Chunxiao Liu , Jianping Shi

We introduce an approach to integrate segmentation information within a convolutional neural network (CNN). This counter-acts the tendency of CNNs to smooth information across regions and increases their spatial precision. To obtain…

计算机视觉与模式识别 · 计算机科学 2017-08-16 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

This paper proposes an efficient unsupervised method for detecting relevant changes between two temporally different images of the same scene. A convolutional neural network (CNN) for semantic segmentation is implemented to extract…

神经与进化计算 · 计算机科学 2019-03-22 Kevin Louis de Jong , Anna Sergeevna Bosman

In remote sensing images, the absolute orientation of objects is arbitrary. Depending on an object's orientation and on a sensor's flight path, objects of the same semantic class can be observed in different orientations in the same image.…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Diego Marcos , Michele Volpi , Benjamin Kellenberger , Devis Tuia

Detecting and identifying objects in satellite images is a very challenging task: objects of interest are often very small and features can be difficult to recognize even using very high resolution imagery. For most applications, this…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Damien Grosgeorge , Maxime Arbelot , Alex Goupilleau , Tugdual Ceillier , Renaud Allioux

Learning rotation-invariant distinctive features is a fundamental requirement for point cloud registration. Existing methods often use rotation-sensitive networks to extract features, while employing rotation augmentation to learn an…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Runzhao Yao , Shaoyi Du , Wenting Cui , Canhui Tang , Chengwu Yang

How to aggregate spatial information plays an essential role in learning-based image restoration. Most existing CNN-based networks adopt static convolutional kernels to encode spatial information, which cannot aggregate spatial information…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Yi Zhang , Dasong Li , Xiaoyu Shi , Dailan He , Kangning Song , Xiaogang Wang , Hongwei Qin , Hongsheng Li

This paper proposes a few-shot method based on Faster R-CNN and representation learning for object detection in aerial images. The two classification branches of Faster R-CNN are replaced by prototypical networks for online adaptation to…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Pierre Le Jeune , Mustapha Lebbah , Anissa Mokraoui , Hanene Azzag

The low resolution of objects of interest in aerial images makes pedestrian detection and action detection extremely challenging tasks. Furthermore, using deep convolutional neural networks to process large images can be demanding in terms…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Amir Soleimani , Nasser M. Nasrabadi

Dense features are important for detecting minute objects in images. Unfortunately, despite the remarkable efficacy of the CNN models in multi-scale object detection, CNN models often fail to detect smaller objects in images due to the loss…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Amrita Singh , Snehasis Mukherjee

Existing techniques to encode spatial invariance within deep convolutional neural networks only model 2D transformation fields. This does not account for the fact that objects in a 2D space are a projection of 3D ones, and thus they have…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Sunghun Joung , Seungryong Kim , Hanjae Kim , Minsu Kim , Ig-Jae Kim , Junghyun Cho , Kwanghoon Sohn

In this paper, we propose deformable deep convolutional neural networks for generic object detection. This new deep learning object detection framework has innovations in multiple aspects. In the proposed new deep architecture, a new…

计算机视觉与模式识别 · 计算机科学 2015-06-03 Wanli Ouyang , Xiaogang Wang , Xingyu Zeng , Shi Qiu , Ping Luo , Yonglong Tian , Hongsheng Li , Shuo Yang , Zhe Wang , Chen-Change Loy , Xiaoou Tang

Despite the successes of deep learning in computer vision, difficulties persist in recognizing objects that have undergone group-symmetric transformations rarely seen during training$\unicode{x2013}$for example objects seen in unusual…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Minh Dinh , Stéphane Deny

Deep convolutional neural networks (DCNNs) have attracted much attention recently, and have shown to be able to recognize thousands of object categories in natural image databases. Their architecture is somewhat similar to that of the human…

计算机视觉与模式识别 · 计算机科学 2016-09-13 Saeed Reza Kheradpisheh , Masoud Ghodrati , Mohammad Ganjtabesh , Timothée Masquelier

Achieving a balance between computational efficiency and detection accuracy in the realm of rotated bounding box object detection within aerial imagery is a significant challenge. While prior research has aimed at creating lightweight…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Zhifei Shi , Zongyao Yin , Sheng Chang , Xiao Yi , Xianchuan Yu