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In this paper, we present a conceptually simple, strong, and efficient framework for panoptic segmentation, called Panoptic FCN. Our approach aims to represent and predict foreground things and background stuff in a unified fully…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Yanwei Li , Hengshuang Zhao , Xiaojuan Qi , Liwei Wang , Zeming Li , Jian Sun , Jiaya Jia

Generative Adversarial Networks (GANs) are a powerful class of generative models. Despite their successes, the most appropriate choice of a GAN network architecture is still not well understood. GAN models for image synthesis have adopted a…

Machine Learning · Computer Science 2019-05-28 Sukarna Barua , Sarah Monazam Erfani , James Bailey

Ethnicity is a key demographic attribute of human beings and it plays a vital role in automatic facial recognition and have extensive real world applications such as Human Computer Interaction (HCI); demographic based classification;…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Inzamam Anwar , Naeem Ul Islam

Semantic segmentation of functional magnetic resonance imaging (fMRI) makes great sense for pathology diagnosis and decision system of medical robots. The multi-channel fMRI provides more information of the pathological features. But the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-12 Lei Tai , Haoyang Ye , Qiong Ye , Ming Liu

In this paper, we propose a novel unsupervised deep learning model, called PCA-based Convolutional Network (PCN). The architecture of PCN is composed of several feature extraction stages and a nonlinear output stage. Particularly, each…

Machine Learning · Computer Science 2015-05-15 Yanhai Gan , Jun Liu , Junyu Dong , Guoqiang Zhong

Point cloud classification plays an important role in a wide range of airborne light detection and ranging (LiDAR) applications, such as topographic mapping, forest monitoring, power line detection, and road detection. However, due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Congcong Wen , Lina Yang , Ling Peng , Xiang Li , Tianhe Chi

Existing deep convolutional neural networks (CNNs) require a fixed-size (e.g., 224x224) input image. This requirement is "artificial" and may reduce the recognition accuracy for the images or sub-images of an arbitrary size/scale. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Kaiming He , Xiangyu Zhang , Shaoqing Ren , Jian Sun

Face detection is a fundamental problem in computer vision. It is still a challenging task in unconstrained conditions due to significant variations in scale, pose, expressions, and occlusion. In this paper, we propose a multi-branch fully…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Yancheng Bai , Bernard Ghanem

We conduct an in-depth exploration of different strategies for doing event detection in videos using convolutional neural networks (CNNs) trained for image classification. We study different ways of performing spatial and temporal pooling,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Shengxin Zha , Florian Luisier , Walter Andrews , Nitish Srivastava , Ruslan Salakhutdinov

Computer-generated graphics (CGs) are images generated by computer software. The~rapid development of computer graphics technologies has made it easier to generate photorealistic computer graphics, and these graphics are quite difficult to…

Multimedia · Computer Science 2018-04-26 Ye Yao , Weitong Hu , Wei Zhang , Ting Wu , Yun-Qing Shi

Face anti-spoofing (FAS) plays a vital role in face recognition systems. Most state-of-the-art FAS methods 1) rely on stacked convolutions and expert-designed network, which is weak in describing detailed fine-grained information and easily…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Zitong Yu , Chenxu Zhao , Zezheng Wang , Yunxiao Qin , Zhuo Su , Xiaobai Li , Feng Zhou , Guoying Zhao

Deep learning based on Convolutional Neural Network (CNN) has shown promising results in various vision-based applications, recently also in camera-based vital signs monitoring. The CNN-based Photoplethysmography (PPG) extraction has, so…

Computer Vision and Pattern Recognition · Computer Science 2020-02-06 Qi Zhan , Wenjin Wang , Gerard de Haan

In this work, we present a memory-efficient fully convolutional network (FCN) incorporated with several memory-optimized techniques to reduce the run-time GPU memory demand during training phase. In medical image segmentation tasks,…

Image and Video Processing · Electrical Eng. & Systems 2020-03-25 Chenglong Wang , Masahiro Oda , Kensaku Mori

Recognition of Persian handwritten characters has been considered as a significant field of research for the last few years under pattern analysing technique. In this paper, a new approach for robust handwritten Persian numerals recognition…

Computer Vision and Pattern Recognition · Computer Science 2014-08-18 Reza Azad , Babak Azad , Iraj Mogharreb , Shahram Jamali

As camera-based documents are increasingly used, the rectification of distorted document images becomes a need to improve the recognition performance. In this paper, we propose a novel framework for both rectifying distorted document image…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Guo-Wang Xie , Fei Yin , Xu-Yao Zhang , Cheng-Lin Liu

This work presents a method to implement fully convolutional neural networks (FCNs) on Pixel Processor Array (PPA) sensors, and demonstrates coarse segmentation and object localisation tasks. We design and train binarized FCN for both…

Computer Vision and Pattern Recognition · Computer Science 2022-06-14 Yanan Liu , Laurie Bose , Yao Lu , Piotr Dudek , Walterio Mayol-Cuevas

It is observed that high classification performance is achieved for one- and two-dimensional signals by using deep learning methods. In this context, most researchers have tried to classify hyperspectral images by using deep learning…

Image and Video Processing · Electrical Eng. & Systems 2022-01-11 Zumray Dokur , Tamer Olmez

In this paper, we present an application of 2-D convolutional neural networks (2-D CNNs) designed to perform both feature extraction and classification stages as a single organism to solve the highlighted problems. The method uses a network…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Shahin Ghazvineh , Gholamreza Nouri , Seyed Hossein Hosseini Lavassani , Vahidreza Gharehbaghi , Andy Nguyen

This paper introduces a deep architecture for segmenting 3D objects into their labeled semantic parts. Our architecture combines image-based Fully Convolutional Networks (FCNs) and surface-based Conditional Random Fields (CRFs) to yield…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Evangelos Kalogerakis , Melinos Averkiou , Subhransu Maji , Siddhartha Chaudhuri

In modern computer vision tasks, convolutional neural networks (CNNs) are indispensable for image classification tasks due to their efficiency and effectiveness. Part of their superiority compared to other architectures, comes from the fact…

Machine Learning · Computer Science 2019-06-11 Vighnesh Birodkar , Hossein Mobahi , Dilip Krishnan , Samy Bengio