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The classification decisions of neural networks can be misled by small imperceptible perturbations. This work aims to explain the misled classifications using saliency methods. The idea behind saliency methods is to explain the…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Jindong Gu , Volker Tresp

Image retargeting, which resizes images to one with a prescribed aspect ratio by determining an optimal warping map, has gained substantial interest in imaging science. Despite significant advances, existing methods often fail to ensure…

数值分析 · 数学 2025-10-16 Chengyang Liu , Michael K. Ng

Data augmentation is now an essential part of the image training process, as it effectively prevents overfitting and makes the model more robust against noisy datasets. Recent mixing augmentation strategies have advanced to generate the…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Minsoo Kang , Suhyun Kim

Model explanations such as saliency maps can improve user trust in AI by highlighting important features for a prediction. However, these become distorted and misleading when explaining predictions of images that are subject to systematic…

人机交互 · 计算机科学 2022-03-02 Wencan Zhang , Mariella Dimiccoli , Brian Y. Lim

Low-light images suffer from severe noise and low illumination. Current deep learning models that are trained with real-world images have excellent noise reduction, but a ratio parameter must be chosen manually to complete the enhancement…

图像与视频处理 · 电气工程与系统科学 2020-04-23 Qingxu Fu , Xiaoguang Di , Yu Zhang

As critical visual details become obscured, the low visibility and high ISO noise in extremely low-light images pose a significant challenge to human pose estimation. Current methods fail to provide high-quality representations due to…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Feng Zhang , Ze Li , Xiatian Zhu , Lei Chen

Bayesian optimization is a powerful method for optimizing black-box functions with limited function evaluations. Recent works have shown that optimization in a latent space through deep generative models such as variational autoencoders…

机器学习 · 计算机科学 2023-11-21 Seunghun Lee , Jaewon Chu , Sihyeon Kim , Juyeon Ko , Hyunwoo J. Kim

Explainability in artificial intelligence (XAI) remains a crucial aspect for fostering trust and understanding in machine learning models. Current visual explanation techniques, such as gradient-based or class-activation-based methods,…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Mahadev Prasad Panda , Matteo Tiezzi , Martina Vilas , Gemma Roig , Bjoern M. Eskofier , Dario Zanca

Aligning machine representations with human understanding is key to improving interpretability of machine learning (ML) models. When classifying a new image, humans often explain their decisions by decomposing the image into concepts and…

机器学习 · 计算机科学 2025-01-13 Sarath Sivaprasad , Dmitry Kangin , Plamen Angelov , Mario Fritz

We introduce a method combining variational autoencoders (VAEs) and deep metric learning to perform Bayesian optimisation (BO) over high-dimensional and structured input spaces. By adapting ideas from deep metric learning, we use label…

Images obtained in real-world low-light conditions are not only low in brightness, but they also suffer from many other types of degradation, such as color bias, unknown noise, detail loss and halo artifacts. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2021-07-01 Xinxu Wei , Xianshi Zhang , Shisen Wang , Cheng Cheng , Yanlin Huang , Kaifu Yang , Yongjie Li

The demand for compact cameras capable of recording high-speed scenes with high resolution is steadily increasing. However, achieving such capabilities often entails high bandwidth requirements, resulting in bulky, heavy systems unsuitable…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zhihong Zhang , Runzhao Yang , Jinli Suo , Yuxiao Cheng , Qionghai Dai

Image colorization estimates RGB colors for grayscale images or video frames to improve their aesthetic and perceptual quality. Over the last decade, deep learning techniques for image colorization have significantly progressed,…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Saeed Anwar , Muhammad Tahir , Chongyi Li , Ajmal Mian , Fahad Shahbaz Khan , Abdul Wahab Muzaffar

A small ISO and a small exposure time are usually used to capture an image in the back or low light conditions which results in an image with negligible motion blur and small noise but look dark. In this paper, a single image brightening…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Chaobing Zheng , Zhengguo Li , Yi Yang , Shiqian Wu

Crucial information barely visible to the human eye is often embedded in a series of low-resolution images taken of the same scene. Super-resolution enables the extraction of this information by reconstructing a single image, at a high…

计算机视觉与模式识别 · 计算机科学 2011-12-08 S. S. Panda , M. S. R. S Prasad , G. Jena

Existing Bayesian Optimization (BO) methods typically balance exploration and exploitation to optimize costly objective functions. However, these methods often suffer from a significant one-step bias, which may lead to convergence towards…

机器学习 · 计算机科学 2025-10-23 Ruiyao Miao , Junren Xiao , Shiya Tsang , Hui Xiong , Yingnian Wu

Images captured under sub-optimal illumination conditions may contain both over- and under-exposures. Current approaches mainly focus on adjusting image brightness, which may exacerbate the color tone distortion in under-exposed areas and…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Yiyu Li , Ke Xu , Gerhard Petrus Hancke , Rynson W. H. Lau

Grayscale images are fundamental to many image processing applications like data compression, feature extraction, printing and tone mapping. However, some image information is lost when converting from color to grayscale. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2021-09-01 Prasoon Ambalathankandy , Yafei Ou , Masayuki Ikebe

This paper introduces a novel lightweight computational framework for enhancing images under low-light conditions, utilizing advanced machine learning and convolutional neural networks (CNNs). Traditional enhancement techniques often fail…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Zhuoheng Li , Yuheng Pan , Houcheng Yu , Zhiheng Zhang

A novel color image enhancement method is proposed based on Retinex to enhance color images under non-uniform illumination or poor visibility conditions. Different from the conventional Retinex algorithms, the Weighted Guided Image Filter…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Qi Mu , Yanyan Wei , Zhanli Li