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Aiming at the problems of color distortion, blur and excessive noise of underwater image, an underwater image enhancement algorithm based on structure-texture reconstruction is proposed. Firstly, the color equalization of the degraded image…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Sen Lin , Kaichen Chi

The challenges in recovering underwater images are the presence of diverse degradation factors and the lack of ground truth images. Although synthetic underwater image pairs can be used to overcome the problem of inadequately observing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Zhenwei Zhang , Haorui Yan , Ke Tang , Yuping Duan

This paper deals with the problem of infrared image database generation for ATR assessment purposes. Huge databases are required to have quantitative and objective performance evaluations. We propose a method which superimpose targets and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Jerome Gilles , Stephane Landeau , Tristan Dagobert , Philippe Chevalier , Christian Bolut

Autonomous navigation in unstructured off-road environments is greatly improved by semantic scene understanding. Conventional image processing algorithms are difficult to implement and lack robustness due to a lack of structure and high…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Anthony Medellin , Anant Bhamri , Reza Langari , Swaminathan Gopalswamy

For successful scene text recognition (STR) models, synthetic text image generators have alleviated the lack of annotated text images from the real world. Specifically, they generate multiple text images with diverse backgrounds, font…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Moonbin Yim , Yoonsik Kim , Han-Cheol Cho , Sungrae Park

One of the biggest challenges in machine learning is data collection. Training data is an important part since it determines how the model will behave. In object classification, capturing a large number of images per object and in different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 August Baaz , Yonan Yonan , Kevin Hernandez-Diaz , Fernando Alonso-Fernandez , Felix Nilsson

This paper presents an improved scheme for the generation and adaption of synthetic images for the training of deep Convolutional Neural Networks(CNNs) to perform the object detection task in smart vending machines. While generating…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Kai Wang , Fuyuan Shi , Wenqi Wang , Yibing Nan , Shiguo Lian

We introduce SeaSplat, a method to enable real-time rendering of underwater scenes leveraging recent advances in 3D radiance fields. Underwater scenes are challenging visual environments, as rendering through a medium such as water…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Daniel Yang , John J. Leonard , Yogesh Girdhar

We present a new method to capture the acoustic characteristics of real-world rooms using commodity devices, and use the captured characteristics to generate similar sounding sources with virtual models. Given the captured audio and an…

Sound · Computer Science 2021-09-28 Zhenyu Tang , Nicholas J. Bryan , Dingzeyu Li , Timothy R. Langlois , Dinesh Manocha

The research on neural radiance fields for new view synthesis has experienced explosive growth with the development of new models and extensions. The NERF algorithm, suitable for underwater scenes or scattering media, is also evolving.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Zhuoyifan Zhang , Lu Zhang , Liang Wang , Haoming Wu

Ultrasound simulation based on ray tracing enables the synthesis of highly realistic images. It can provide an interactive environment for training sonographers as an educational tool. However, due to high computational demand, there is a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Lin Zhang , Tiziano Portenier , Christoph Paulus , Orcun Goksel

Real-time imaging sonar is crucial for underwater monitoring where optical sensing fails, but its use is limited by low uplink bandwidth and severe sonar-specific artifacts (speckle, motion blur, reverberation, acoustic shadows) affecting…

Image and Video Processing · Electrical Eng. & Systems 2025-12-03 Rongsheng Qian , Chi Xu , Xiaoqiang Ma , Hao Fang , Yili Jin , William I. Atlas , Jiangchuan Liu

In this paper, we revisit the problem of classifying ships (maritime vessels) detected from overhead imagery. Despite the last decade of research on this very important and pertinent problem, it remains largely unsolved. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Chris M. Ward , Josh Harguess , Cameron Hilton

Successful applications of complex vision-based behaviours underwater have lagged behind progress in terrestrial and aerial domains. This is largely due to the degraded image quality resulting from the physical phenomena involved in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Stewart Jamieson , Jonathan P. How , Yogesh Girdhar

Automotive radar sensors play a key role in the current development of autonomous driving. Their ability to detect objects even under adverse conditions makes them indispensable for environment-sensing tasks in autonomous vehicles. The…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Axel Diewald , Benjamin Nuß , Mario Pauli , Thomas Zwick

Tremendous variations coupled with large degrees of freedom in UAV-based imaging conditions lead to a significant lack of data in adequately learning UAV-based perception models. Using various synthetic renderers in conjunction with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Christopher Maxey , Jaehoon Choi , Hyungtae Lee , Dinesh Manocha , Heesung Kwon

We propose an approach to simulate and render realistic water animation from a single still input photograph. We first segment the water surface, estimate rendering parameters, and compute water reflection textures with a combination of…

Graphics · Computer Science 2022-10-07 Ryusuke Sugimoto , Mingming He , Jing Liao , Pedro V. Sander

Implicit neural representation (INR) has proven to be accurate and efficient in various domains. In this work, we explore how different neural networks can be designed as a new texture INR, which operates in a continuous manner rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Albert Kwok , Zheyuan Hu , Dounia Hammou

Forward-looking sonar can capture high resolution images of underwater scenes, but their interpretation is complex. Generic object detection in such images has not been solved, specially in cases of small and unknown objects. In comparison,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Matias Valdenegro-Toro

We introduce Synscapes -- a synthetic dataset for street scene parsing created using photorealistic rendering techniques, and show state-of-the-art results for training and validation as well as new types of analysis. We study the behavior…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Magnus Wrenninge , Jonas Unger
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