English
Related papers

Related papers: Rotation Equivariant Feature Image Pyramid Network…

200 papers

Fine-grained image recognition is a challenging computer vision problem, due to the small inter-class variations caused by highly similar subordinate categories, and the large intra-class variations in poses, scales and rotations. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Xiu-Shen Wei , Chen-Wei Xie , Jianxin Wu

Despite notable advancements in the field of computer vision, the precise detection of tiny objects continues to pose a significant challenge, largely owing to the minuscule pixel representation allocated to these objects in imagery data.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Hou-I Liu , Yu-Wen Tseng , Kai-Cheng Chang , Pin-Jyun Wang , Hong-Han Shuai , Wen-Huang Cheng

Applying convolutional neural networks to large images is computationally expensive because the amount of computation scales linearly with the number of image pixels. We present a novel recurrent neural network model that is capable of…

Machine Learning · Computer Science 2014-06-25 Volodymyr Mnih , Nicolas Heess , Alex Graves , Koray Kavukcuoglu

Rotation-equivariance is an essential yet challenging property in oriented object detection. While general object detectors naturally leverage robustness to spatial shifts due to the translation-equivariance of the conventional CNNs,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Chanho Lee , Jinsu Son , Hyounguk Shon , Yunho Jeon , Junmo Kim

Feature Pyramid Network (FPN) has been an essential module for object detection models to consider various scales of an object. However, average precision (AP) on small objects is relatively lower than AP on medium and large objects. The…

Computer Vision and Pattern Recognition · Computer Science 2022-08-26 Hye-Jin Park , Young-Ju Choi , Young-Woon Lee , Byung-Gyu Kim

Understanding the world in 3D is a critical component of urban autonomous driving. Generally, the combination of expensive LiDAR sensors and stereo RGB imaging has been paramount for successful 3D object detection algorithms, whereas…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Garrick Brazil , Xiaoming Liu

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…

Computer Vision and Pattern Recognition · Computer Science 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

Aiming at improving the performance of existing detection algorithms developed for different applications, we propose a region regression-based multi-stage class-agnostic detection pipeline, whereby the existing algorithms are employed for…

Computer Vision and Pattern Recognition · Computer Science 2016-07-19 Wei Li , Matthias Breier , Dorit Merhof

Instance retrieval requires one to search for images that contain a particular object within a large corpus. Recent studies show that using image features generated by pooling convolutional layer feature maps (CFMs) of a pretrained…

Computer Vision and Pattern Recognition · Computer Science 2016-06-23 Jiewei Cao , Lingqiao Liu , Peng Wang , Zi Huang , Chunhua Shen , Heng Tao Shen

Deep learning based approaches has achieved great performance in single image super-resolution (SISR). However, recent advances in efficient super-resolution focus on reducing the number of parameters and FLOPs, and they aggregate more…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Fangyuan Kong , Mingxi Li , Songwei Liu , Ding Liu , Jingwen He , Yang Bai , Fangmin Chen , Lean Fu

Deep networks can learn to accurately recognize objects of a category by training on a large number of annotated images. However, a meta-learning challenge known as a low-shot image recognition task comes when only a few images with…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Mengting Chen , Xinggang Wang , Heng Luo , Yifeng Geng , Wenyu Liu

For Convolutional Neural Network-based object detection, there is a typical dilemma: the spatial information is well kept in the shallow layers which unfortunately do not have enough semantic information, while the deep layers have a high…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Ziming Liu , Guangyu Gao , Lin Sun , Li Fang

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…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Gedas Bertasius , Lorenzo Torresani , Jianbo Shi

Following the success of machine vision systems for on-line automated quality control and inspection processes, an object recognition solution is presented in this work for two different specific applications, i.e., the detection of quality…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

Diffusion models have achieved impressive performance on multi-focus image fusion (MFIF). However, a key challenge in applying diffusion models to the ill-posed MFIF problem is that defocus blur can make common symmetric geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Bo Li , Tingting Bao , Lingling Zhang , Weiping Fu , Yaxian Wang , Jun Liu

Objects for detection usually have distinct characteristics in different sub-regions and different aspect ratios. However, in prevalent two-stage object detection methods, Region-of-Interest (RoI) features are extracted by RoI pooling with…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Yao Zhai , Jingjing Fu , Yan Lu , Houqiang Li

Place recognition is a fundamental task for robotic application, allowing robots to perform loop closure detection within simultaneous localization and mapping (SLAM), and achieve relocalization on prior maps. Current range image-based…

Robotics · Computer Science 2024-05-28 Gang Wang , Chaoran Zhu , Qian Xu , Tongzhou Zhang , Hai Zhang , XiaoPeng Fan , Jue Hu

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…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Sunghun Joung , Seungryong Kim , Hanjae Kim , Minsu Kim , Ig-Jae Kim , Junghyun Cho , Kwanghoon Sohn

Rotation invariance has been studied in the computer vision community primarily in the context of small in-plane rotations. This is usually achieved by building invariant image features. However, the problem of achieving invariance for…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Lokesh Boominathan , Suraj Srinivas , R. Venkatesh Babu

Convolutional neural networks have recently demonstrated high-quality reconstruction for single image super-resolution. However, existing methods often require a large number of network parameters and entail heavy computational loads at…

Computer Vision and Pattern Recognition · Computer Science 2018-08-13 Wei-Sheng Lai , Jia-Bin Huang , Narendra Ahuja , Ming-Hsuan Yang