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Convolution Neural Networks is one of the most powerful tools in the present era of science. There has been a lot of research done to improve their performance and robustness while their internal working was left unexplored to much extent.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Rohit Gandikota , Deepak Mishra

This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) are two dominant models for image analysis. While CNNs excel at extracting multi-scale features and ViTs effectively capture global dependencies, both suffer from high…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Shicheng Yin , Kaixuan Yin , Weixing Chen , Enbo Huang , Yang Liu

Convolutional Neural Networks (CNNs) are state-of-the-art models for document image classification tasks. However, many of these approaches rely on parameters and architectures designed for classifying natural images, which differ from…

Computer Vision and Pattern Recognition · Computer Science 2017-08-11 Chris Tensmeyer , Tony Martinez

Within Convolutional Neural Network (CNN), the convolution operations are good at extracting local features but experience difficulty to capture global representations. Within visual transformer, the cascaded self-attention modules can…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Zhiliang Peng , Wei Huang , Shanzhi Gu , Lingxi Xie , Yaowei Wang , Jianbin Jiao , Qixiang Ye

Image co-segmentation is an active computer vision task that aims to segment the common objects from a set of images. Recently, researchers design various learning-based algorithms to undertake the co-segmentation task. The main difficulty…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Chi Zhang , Guankai Li , Guosheng Lin , Qingyao Wu , Rui Yao

Recent studies have shown that a Deep Convolutional Neural Network (DCNN) pretrained on a large image dataset can be used as a universal image descriptor, and that doing so leads to impressive performance for a variety of image…

Computer Vision and Pattern Recognition · Computer Science 2016-12-23 Lingqiao Liu , Chunhua Shen , Anton van den Hengel

Convolutional neural networks (CNNs) have achieved state-of-the-art results on many visual recognition tasks. However, current CNN models still exhibit a poor ability to be invariant to spatial transformations of images. Intuitively, with…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Xu Shen , Xinmei Tian , Anfeng He , Shaoyan Sun , Dacheng Tao

Image restoration (IR) is a long-standing task to recover a high-quality image from its corrupted observation. Recently, transformer-based algorithms and some attention-based convolutional neural networks (CNNs) have presented promising…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Fangwei Hao , Ji Du , Weiyun Liang , Jing Xu , Xiaoxuan Xu

Convolutional Neural Network (CNN) features have been successfully employed in recent works as an image descriptor for various vision tasks. But the inability of the deep CNN features to exhibit invariance to geometric transformations and…

Computer Vision and Pattern Recognition · Computer Science 2015-04-27 Konda Reddy Mopuri , R. Venkatesh Babu

3D convolution is powerful for video classification but often computationally expensive, recent studies mainly focus on decomposing it on spatial-temporal and/or channel dimensions. Unfortunately, most approaches fail to achieve a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Kunchang Li , Xianhang Li , Yali Wang , Jun Wang , Yu Qiao

We address the key question of how object part representations can be found from the internal states of CNNs that are trained for high-level tasks, such as object classification. This work provides a new unsupervised method to learn…

Machine Learning · Computer Science 2016-11-15 Jianyu Wang , Zhishuai Zhang , Cihang Xie , Vittal Premachandran , Alan Yuille

We investigate the gains in precision and speed, that can be obtained by using Convolutional Networks (ConvNets) for on-the-fly retrieval - where classifiers are learnt at run time for a textual query from downloaded images, and used to…

Computer Vision and Pattern Recognition · Computer Science 2014-11-18 Ken Chatfield , Karen Simonyan , Andrew Zisserman

Convolutional neural networks (CNNs) are the cutting edge model for supervised machine learning in computer vision. In recent years CNNs have outperformed traditional approaches in many computer vision tasks such as object detection, image…

Neural and Evolutionary Computing · Computer Science 2016-03-01 Nitzan Guberman

We revisit Semantic Scene Completion (SSC), a useful task to predict the semantic and occupancy representation of 3D scenes, in this paper. A number of methods for this task are always based on voxelized scene representations for keeping…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Xiaokang Chen , Jiaxiang Tang , Jingbo Wang , Gang Zeng

Large-scale point cloud consists of a multitude of individual objects, thereby encompassing rich structural and underlying semantic contextual information, resulting in a challenging problem in efficiently segmenting a point cloud. Most…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Zhenchao Lin , Li He , Hongqiang Yang , Xiaoqun Sun , Cuojin Zhang , Weinan Chen , Yisheng Guan , Hong Zhang

Recently, a common starting point for solving complex unsupervised image classification tasks is to use generic features, extracted with deep Convolutional Neural Networks (CNN) pretrained on a large and versatile dataset (ImageNet).…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Joris Guerin , Stephane Thiery , Eric Nyiri , Olivier Gibaru , Byron Boots

Despite the recent advances in optical character recognition (OCR), mathematical expressions still face a great challenge to recognize due to their two-dimensional graphical layout. In this paper, we propose a convolutional sequence…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Zuoyu Yan , Xiaode Zhang , Liangcai Gao , Ke Yuan , Zhi Tang

Present image based visual servoing approaches rely on extracting hand crafted visual features from an image. Choosing the right set of features is important as it directly affects the performance of any approach. Motivated by recent…

Robotics · Computer Science 2017-06-13 Aseem Saxena , Harit Pandya , Gourav Kumar , Ayush Gaud , K. Madhava Krishna

This work explores the use of spatial context as a source of free and plentiful supervisory signal for training a rich visual representation. Given only a large, unlabeled image collection, we extract random pairs of patches from each image…

Computer Vision and Pattern Recognition · Computer Science 2016-01-19 Carl Doersch , Abhinav Gupta , Alexei A. Efros