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It is counter-intuitive that multi-modality methods based on point cloud and images perform only marginally better or sometimes worse than approaches that solely use point cloud. This paper investigates the reason behind this phenomenon.…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Wenwei Zhang , Zhe Wang , Chen Change Loy

Underwater acoustic target recognition is critical for maritime applications, yet it faces challenges arising from the complex and diverse nature of ship-radiated noise. To address these issues, we propose a robust deep learning-based…

信号处理 · 电气工程与系统科学 2026-05-22 Jiaping Yu , Shefeng Yan , Linlin Mao , Zeping Sui , Chunjin Jiang

Historical watermark recognition is a highly practical, yet unsolved challenge for archivists and historians. With a large number of well-defined classes, cluttered and noisy samples, different types of representations, both subtle…

计算机视觉与模式识别 · 计算机科学 2019-08-28 Xi Shen , Ilaria Pastrolin , Oumayma Bounou , Spyros Gidaris , Marc Smith , Olivier Poncet , Mathieu Aubry

There have been intensive research interests in ship detection and segmentation due to high demands on a wide range of civil applications in the last two decades. However, existing approaches, which are mainly based on statistical…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Alexander Kadyrov , Hui Yu , Honghai Liu

Forward-Looking Sonar (FLS) has started to gain attention in the field of near-bottom close-range underwater inspection because of its high resolution and high framerate features. Although Automatic Target Recognition (ATR) algorithms have…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Jiayi Su , Xingbin Tu , Fengzhong Qu , Yan Wei

In an underwater scene, wavelength-dependent light absorption and scattering degrade the visibility of images, causing low contrast and distorted color casts. To address this problem, we propose a convolutional neural network based image…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Saeed Anwar , Chongyi Li , Fatih Porikli

Existing deep trackers mainly use convolutional neural networks pre-trained for generic object recognition task for representations. Despite demonstrated successes for numerous vision tasks, the contributions of using pre-trained deep…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Xin Li , Chao Ma , Baoyuan Wu , Zhenyu He , Ming-Hsuan Yang

Visual-based target tracking is easily influenced by multiple factors, such as background clutter, targets fast-moving, illumination variation, object shape change, occlusion, etc. These factors influence the tracking accuracy of a target…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Yanyan Liu , Changcheng Pan , Minglin Bie , Jin Li

Object recognition systems are usually trained and evaluated on high resolution images. However, in real world applications, it is common that the images have low resolutions or have small sizes. In this study, we first track the…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Amir Ghasemi , Nasrin Bayat , Fatemeh Mottaghian , Akram Bayat

Current multi-view 3D object detection methods often fail to detect objects in the overlap region properly, and the networks' understanding of the scene is often limited to that of a monocular detection network. Moreover, objects in the…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Wonseok Roh , Gyusam Chang , Seokha Moon , Giljoo Nam , Chanyoung Kim , Younghyun Kim , Jinkyu Kim , Sangpil Kim

Observing certain patches in an image reduces the uncertainty of others. Their realization lowers the distribution entropy of each remaining patch feature, analogous to collapsing a particle's wave function in quantum mechanics. This…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Wei Guo , Shunqi Mao , Zhuonan Liang , Heng Wang , Weidong Cai

Data augmentation is a critical component of training deep learning models. Although data augmentation has been shown to significantly improve image classification, its potential has not been thoroughly investigated for object detection.…

计算机视觉与模式识别 · 计算机科学 2019-06-27 Barret Zoph , Ekin D. Cubuk , Golnaz Ghiasi , Tsung-Yi Lin , Jonathon Shlens , Quoc V. Le

Developing data-efficient instance detection models that can handle rare object categories remains a key challenge in computer vision. However, existing research often overlooks data collection strategies and evaluation metrics tailored to…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Boyang Deng , Meiyan Lin , Shoulun Long

Advances in the design of multi-spectral cameras have led to great interests in a wide range of applications, from astronomy to autonomous driving. However, such cameras inherently suffer from a trade-off between the spatial and spectral…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Mehrdad Shoeiby , Mohammad Ali Armin , Sadegh Aliakbarian , Saeed Anwar , Lars Petersson

The normalized 2-D correlation technique is a robust method for detecting targets in images due to its ability to remain invariant under rotation, translation, and scaling. This paper examines the impact of translation, and scaling on…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Fatin E. M. Al-Obaidi , Anwar H. Al-Saleh , Shaymaa H. Kafi , Ali J. Karam , Ali A. D. Al-Zuky

The Multiple Instance Hybrid Estimator for discriminative target characterization from imprecisely labeled hyperspectral data is presented. In many hyperspectral target detection problems, acquiring accurately labeled training data is…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Changzhe Jiao , Chao Chen , Ronald G. McGarvey , Stephanie Bohlman , Licheng Jiao , Alina Zare

We present a new algorithm for multi-region segmentation of 2D images with objects that may partially occlude each other. Our algorithm is based on the observation hat human performance on this task is based both on prior knowledge about…

计算机视觉与模式识别 · 计算机科学 2016-06-16 Yuka Kihara , Matvey Soloviev , Tsuhan Chen

We study the accuracy of triangulation in multi-camera systems with respect to the number of cameras. We show that, under certain conditions, the optimal achievable reconstruction error decays quadratically as more cameras are added to the…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Adam Scholefield , Alireza Ghasemi , Martin Vetterli

Occlusion between objects is one of the overlooked challenges for object detection in UAV images. Due to the variable altitude and angle of UAVs, occlusion in UAV images happens more frequently than that in natural scenes. Compared to…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Xuexue Li , Wenhui Diao , Yongqiang Mao , Peng Gao , Xiuhua Mao , Xinming Li , Xian Sun

Snapshot mosaic multispectral imagery acquires an undersampled data cube by acquiring a single spectral measurement per spatial pixel. Sensors which acquire $p$ frequencies, therefore, suffer from severe $1/p$ undersampling of the full data…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Giancarlo A. Antonucci , Simon Vary , David Humphreys , Robert A. Lamb , Jonathan Piper , Jared Tanner