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Underwater imagery often suffers from severe degradation resulting in low visual quality and reduced object detection performance. This work aims to evaluate state-of-the-art image enhancement models, investigate their effects on underwater…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Ali Awad , Ashraf Saleem , Sidike Paheding , Evan Lucas , Serein Al-Ratrout , Timothy C. Havens

Unlike conventional frame-based sensors, event-based visual sensors output information through spikes at a high temporal resolution. By only encoding changes in pixel intensity, they showcase a low-power consuming, low-latency approach to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Rohan Ghosh , Anupam Gupta , Siyi Tang , Alcimar Soares , Nitish Thakor

The performance of visual quality prediction models is commonly assumed to be closely tied to their ability to capture perceptually relevant image aspects. Models are thus either based on sophisticated feature extractors carefully designed…

Computer Vision and Pattern Recognition · Computer Science 2021-06-11 Sören Becker , Thomas Wiegand , Sebastian Bosse

A growing demand for natural-scene text detection has been witnessed by the computer vision community since text information plays a significant role in scene understanding and image indexing. Deep neural networks are being used due to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Fan Jiang , Zhihui Hao , Xinran Liu

In recent years, increasing deployment of face recognition technology in security-critical settings, such as border control or law enforcement, has led to considerable interest in the vulnerability of face recognition systems to attacks…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Robert Nichols , Christian Rathgeb , Pawel Drozdowski , Christoph Busch

We live in a dynamic world where things change all the time. Given two images of the same scene, being able to automatically detect the changes in them has practical applications in a variety of domains. In this paper, we tackle the change…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Ragav Sachdeva , Andrew Zisserman

This article introduces a benchmark designed to evaluate the capabilities of multimodal models in analyzing and interpreting images. The benchmark focuses on seven key visual aspects: main object, additional objects, background, detail,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Evgenii Evstafev

Face image quality plays a critical role in determining the accuracy and reliability of face verification systems, particularly in real-time screening applications such as surveillance, identity verification, and access control. Low-quality…

Recent years have witnessed the remarkable developments made by deep learning techniques for object detection, a fundamentally challenging problem of computer vision. Nevertheless, there are still difficulties in training accurate deep…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Joya Chen , Qi Wu , Dong Liu , Tong Xu

Scene recognition, particularly for aerial and underwater images, often suffers from various types of degradation, such as blurring or overexposure. Previous works that focus on convolutional neural networks have been shown to be able to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Jianqi Zhang , Mengxuan Wang , Jingyao Wang , Lingyu Si , Changwen Zheng , Fanjiang Xu

Although dense local spatial-temporal features with bag-of-features representation achieve state-of-the-art performance for action recognition, the huge feature number and feature size prevent current methods from scaling up to real size…

Computer Vision and Pattern Recognition · Computer Science 2015-01-29 Youjie Zhou , Hongkai Yu , Song Wang

Face recognition from image or video is a popular topic in biometrics research. Many public places usually have surveillance cameras for video capture and these cameras have their significant value for security purpose. It is widely…

Computer Vision and Pattern Recognition · Computer Science 2013-02-27 Faizan Ahmad , Aaima Najam , Zeeshan Ahmed

Feature selection is an important problem in high-dimensional data analysis and classification. Conventional feature selection approaches focus on detecting the features based on a redundancy criterion using learning and feature searching…

Computer Vision and Pattern Recognition · Computer Science 2012-01-31 Alex Pappachen James , Sima Dimitrijev

Contextual information plays an important role in many computer vision tasks, such as object detection, video action detection, image classification, etc. Recognizing a single object or action out of context could be sometimes very…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Xuan Wang , Zhigang Zhu

Crowd scenes captured by cameras at different locations vary greatly, and existing crowd models have limited generalization for unseen surveillance scenes. To improve the generalization of the model, we regard different surveillance scenes…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Jiwei Chen , Qi Wang , Junyu Gao , Jing Zhang , Dingyi Li , Jing-Jia Luo

Scene text detection is an important step of scene text recognition system and also a challenging problem. Different from general object detection, the main challenges of scene text detection lie on arbitrary orientations, small sizes, and…

Computer Vision and Pattern Recognition · Computer Science 2018-04-30 Minghui Liao , Baoguang Shi , Xiang Bai

Scene text detection is a challenging problem in computer vision. In this paper, we propose a novel text detection network based on prevalent object detection frameworks. In order to obtain stronger semantic feature, we adopt ResNet as…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Xiangyu Zhu , Yingying Jiang , Shuli Yang , Xiaobing Wang , Wei Li , Pei Fu , Hua Wang , Zhenbo Luo

Object detection and semantic segmentation are two of the most widely adopted deep learning algorithms in agricultural applications. One of the major sources of variability in image quality acquired in the outdoors for such tasks is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Abhisesh Silwal , Tanvir Parhar , Francisco Yandun , George Kantor

Local feature extraction is a standard approach in computer vision for tackling important tasks such as image matching and retrieval. The core assumption of most methods is that images undergo affine transformations, disregarding more…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Guilherme Potje , Felipe Cadar , Andre Araujo , Renato Martins , Erickson R. Nascimento

Scene parsing is challenging as it aims to assign one of the semantic categories to each pixel in scene images. Thus, pixel-level features are desired for scene parsing. However, classification networks are dominated by the discriminative…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Tianyi Wu , Sheng Tang , Rui Zhang , Guodong Guo , Yongdong Zhang