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Models based on deep convolutional neural networks (CNN) have significantly improved the performance of semantic segmentation. However, learning these models requires a large amount of training images with pixel-level labels, which are very…

Computer Vision and Pattern Recognition · Computer Science 2018-02-05 Linwei Ye , Zhi Liu , Yang Wang

Human action recognition in videos is a critical task with significant implications for numerous applications, including surveillance, sports analytics, and healthcare. The challenge lies in creating models that are both precise in their…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Yufei Xie

3D CNN shows its strong ability in learning spatiotemporal representation in recent video recognition tasks. However, inflating 2D convolution to 3D inevitably introduces additional computational costs, making it cumbersome in practical…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Pingchuan Ma , Yao Zhou , Yu Lu , Wei Zhang

Convolutional Neural Networks (CNN) are the state-of-the-art in the field of visual computing. However, a major problem with CNNs is the large number of floating point operations (FLOPs) required to perform convolutions for large inputs.…

Machine Learning · Computer Science 2022-07-06 Tobias Engelhardt Rasmussen , Line H Clemmensen , Andreas Baum

Object detection, one of the three main tasks of computer vision, has been used in various applications. The main process is to use deep neural networks to extract the features of an image and then use the features to identify the class and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Wenshuo Li

Motion is a salient cue to recognize actions in video. Modern action recognition models leverage motion information either explicitly by using optical flow as input or implicitly by means of 3D convolutional filters that simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Heng Wang , Du Tran , Lorenzo Torresani , Matt Feiszli

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

Most of the semantic segmentation approaches have been developed for single image segmentation, and hence, video sequences are currently segmented by processing each frame of the video sequence separately. The disadvantage of this is that…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Andreas Pfeuffer , Karina Schulz , Klaus Dietmayer

Object Detection is critical for automatic military operations. However, the performance of current object detection algorithms is deficient in terms of the requirements in military scenarios. This is mainly because the object presence is…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Shuo Liu , Zheng Liu

Convolutional Neural Networks (CNNs) have been successful in solving tasks in computer vision including medical image segmentation due to their ability to automatically extract features from unstructured data. However, CNNs are sensitive to…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Minh Tran , Viet-Khoa Vo-Ho , Kyle Quinn , Hien Nguyen , Khoa Luu , Ngan Le

Recently, image representation built upon Convolutional Neural Network (CNN) has been shown to provide effective descriptors for image search, outperforming pre-CNN features as short-vector representations. Yet such models are not…

Computer Vision and Pattern Recognition · Computer Science 2016-02-25 Giorgos Tolias , Ronan Sicre , Hervé Jégou

This paper shows how to extract dense optical flow from videos with a convolutional neural network (CNN). The proposed model constitutes a potential building block for deeper architectures to allow using motion without resorting to an…

Computer Vision and Pattern Recognition · Computer Science 2016-01-28 Damien Teney , Martial Hebert

In this paper, we propose a partition-masked Convolution Neural Network (CNN) to achieve compressed-video enhancement for the state-of-the-art coding standard, High Efficiency Video Coding (HECV). More precisely, our method utilizes the…

Multimedia · Computer Science 2019-12-30 Xiaoyi He , Qiang Hu , Xintong Han , Xiaoyun Zhang , Chongyang Zhang , Weiyao Lin

Action recognition from well-segmented 3D skeleton video has been intensively studied. However, due to the difficulty in representing the 3D skeleton video and the lack of training data, action detection from streaming 3D skeleton video…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Bo Li , Huahui Chen , Yucheng Chen , Yuchao Dai , Mingyi He

We present a deep learning method for the interactive video object segmentation. Our method is built upon two core operations, interaction and propagation, and each operation is conducted by Convolutional Neural Networks. The two networks…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim

In moving camera videos, motion segmentation is commonly performed using the image plane motion of pixels, or optical flow. However, objects that are at different depths from the camera can exhibit different optical flows even if they share…

Computer Vision and Pattern Recognition · Computer Science 2015-11-06 Manjunath Narayana , Allen Hanson , Erik Learned-Miller

Convolutional Neural Networks (CNNs) can provide accurate object classification. They can be extended to perform object detection by iterating over dense or selected proposed object regions. However, the runtime of such detectors scales as…

Computer Vision and Pattern Recognition · Computer Science 2014-04-08 Forrest Iandola , Matt Moskewicz , Sergey Karayev , Ross Girshick , Trevor Darrell , Kurt Keutzer

Video coding is a critical step in all popular methods of streaming video. Marked progress has been made in video quality, compression, and computational efficiency. Recently, there has been an interest in finding ways to apply techniques…

Image and Video Processing · Electrical Eng. & Systems 2019-05-14 Everett Fall , Kai-wei Chang , Liang-Gee Chen

Object detection and tracking in videos represent essential and computationally demanding building blocks for current and future visual perception systems. In order to reduce the efficiency gap between available methods and computational…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Issa Mouawad , Francesca Odone

Multi-level features are important for saliency detection. Better combination and use of multi-level features with time information can greatly improve the accuracy of the video saliency model. In order to fully combine multi-level features…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Qinyao Chang , Shiping Zhu
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