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In recent years, Convolutional Neural Network (CNN) based methods have achieved great success in a large number of applications and have been among the most powerful and widely used techniques in computer vision. However, CNN-based methods…

机器学习 · 计算机科学 2019-11-18 Ali Jahanshahi

We investigate video classification via a two-stream convolutional neural network (CNN) design that directly ingests information extracted from compressed video bitstreams. Our approach begins with the observation that all modern video…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Aaron Chadha , Alhabib Abbas , Yiannis Andreopoulos

In this paper, a novel QP variable convolutional neural network based in-loop filter is proposed for VVC intra coding. To avoid training and deploying multiple networks, we develop an efficient QP attention module (QPAM) which can capture…

多媒体 · 计算机科学 2021-01-01 Zhijie Huang , Xiaopeng Guo , Mingyu Shang , Jie Gao , Jun Sun

The latest video coding standard, called versatile video coding (VVC), includes several novel and refined coding tools at different levels of the coding chain. These tools bring significant coding gains with respect to the previous…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Charles Bonnineau , Wassim Hamidouche , Jean-Francois Travers , Naty Sidaty , Olivier Deforges

Finding a template in a search image is an important task underlying many computer vision applications. Recent approaches perform template matching in a deep feature-space, produced by a convolutional neural network (CNN), which is found to…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Bo Gao , M. W. Spratling

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

Promising results for subjective image quality prediction have been achieved during the past few years by using convolutional neural networks (CNN). However, the use of CNNs for high resolution image quality assessment remains a challenge,…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Jari Korhonen , Yicheng Su , Junyong You

Convolutional Neural Networks (CNNs) have shown promising results in efficiency and accuracy in image classification. However, their efficacy often relies on large, labeled datasets, posing challenges for applications with limited data…

机器学习 · 计算机科学 2026-01-08 A. M. A. S. D. Alagiyawanna , Asoka Karunananda , A. Mahasinghe , Thushari Silva

We present a novel unsupervised feature representation learning method, Visual Commonsense Region-based Convolutional Neural Network (VC R-CNN), to serve as an improved visual region encoder for high-level tasks such as captioning and VQA.…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Tan Wang , Jianqiang Huang , Hanwang Zhang , Qianru Sun

Deep convolutional neural networks (CNN) has become the most promising method for object recognition, repeatedly demonstrating record breaking results for image classification and object detection in recent years. However, a very deep CNN…

计算机视觉与模式识别 · 计算机科学 2014-12-22 Yunchao Gong , Liu Liu , Ming Yang , Lubomir Bourdev

This research presents a machine-learning approach for tumor detection in medical images using convolutional neural networks (CNNs). The study focuses on preprocessing techniques to enhance image features relevant to tumor detection,…

图像与视频处理 · 电气工程与系统科学 2024-03-01 Ha Anh Vu

Local feature provides compact and invariant image representation for various visual tasks. Current deep learning-based local feature algorithms always utilize convolution neural network (CNN) architecture with limited receptive field.…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Jinyu Miao , Haosong Yue , Zhong Liu , Xingming Wu , Zaojun Fang , Guilin Yang

Network robustness is critical for various societal and industrial networks again malicious attacks. In particular, connectivity robustness and controllability robustness reflect how well a networked system can maintain its connectedness…

系统与控制 · 电气工程与系统科学 2023-07-25 Yang Lou , Ruizi Wu , Junli Li , Lin Wang , Xiang Li , Guanrong Chen

In the video coding process, the perceived quality of a compressed video is evaluated by full-reference quality evaluation metrics. However, it is difficult to obtain reference videos with perfect quality. To solve this problem, it is…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Liqun Lin , Zheng Wang , Jiachen He , Weiling Chen , Yiwen Xu , Tiesong Zhao

Almost all digital videos are coded into compact representations before being transmitted. Such compact representations need to be decoded back to pixels before being displayed to humans and - as usual - before being enhanced/analyzed by…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Xihua Sheng , Li Li , Dong Liu , Houqiang Li

The recognition and classification of the diversity of materials that exist in the environment around us are a key visual competence that computer vision systems focus on in recent years. Understanding the identification of materials in…

计算机视觉与模式识别 · 计算机科学 2017-10-20 Anca Sticlaru

In this paper, we propose a method for image-set classification based on convex cone models, focusing on the effectiveness of convolutional neural network (CNN) features as inputs. CNN features have non-negative values when using the…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Naoya Sogi , Taku Nakayama , Kazuhiro Fukui

Neural networks can be successfully used to improve several modules of advanced video coding schemes. In particular, compression of colour components was shown to greatly benefit from usage of machine learning models, thanks to the design…

图像与视频处理 · 电气工程与系统科学 2021-02-10 Marc Górriz , Saverio Blasi , Alan F. Smeaton , Noel E. O'Connor , Marta Mrak

Viewpoint estimation from 2D rendered images is helpful in understanding how users select viewpoints for volume visualization and guiding users to select better viewpoints based on previous visualizations. In this paper, we propose a…

图形学 · 计算机科学 2019-02-04 Neng Shi , Yubo Tao

The rise of deepfake technologies has posed significant challenges to privacy, security, and information integrity, particularly in audio and multimedia content. This paper introduces a Quantum-Trained Convolutional Neural Network (QT-CNN)…

声音 · 计算机科学 2024-10-15 Chu-Hsuan Abraham Lin , Chen-Yu Liu , Samuel Yen-Chi Chen , Kuan-Cheng Chen