中文
相关论文

相关论文: Random Shadows and Highlights: A new data augmenta…

200 篇论文

Existing face relighting methods often struggle with two problems: maintaining the local facial details of the subject and accurately removing and synthesizing shadows in the relit image, especially hard shadows. We propose a novel deep…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Andrew Hou , Ze Zhang , Michel Sarkis , Ning Bi , Yiying Tong , Xiaoming Liu

Reversible data hiding (RDH) has been extensively studied in the field of information security. In our previous work [1], an explicit implementation approaching the rate-distortion bound of RDH has been proposed. However, there are two…

信息论 · 计算机科学 2023-07-18 Na Wang , Chuan Qin , Sian-Jheng Lin

Data augmentation plays a crucial role in enhancing the robustness and performance of machine learning models across various domains. In this study, we introduce a novel mixed-sample data augmentation method called RandoMix. RandoMix is…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Xiaoliang Liu , Furao Shen , Jian Zhao , Changhai Nie

2D face analysis techniques, such as face landmarking, face recognition and face verification, are reasonably dependent on illumination conditions which are usually uncontrolled and unpredictable in the real world. An illumination robust…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Wuming Zhang , Xi Zhao , Jean-Marie Morvan , Liming Chen

Capturing images under extremely low-light conditions poses significant challenges for the standard camera pipeline. Images become too dark and too noisy, which makes traditional enhancement techniques almost impossible to apply. Recently,…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Ahmet Serdar Karadeniz , Erkut Erdem , Aykut Erdem

Self-supervised representation learning~(SSRL) has advanced considerably by exploiting the transformation invariance assumption under artificially designed data augmentations. While augmentation-based SSRL algorithms push the boundaries of…

机器学习 · 计算机科学 2024-03-22 Yi Sui , Tongzi Wu , Jesse C. Cresswell , Ga Wu , George Stein , Xiao Shi Huang , Xiaochen Zhang , Maksims Volkovs

Person Re-identification (re-ID) in computer vision aims to recognize and track individuals across different cameras. While previous research has mainly focused on challenges like pose variations and lighting changes, the impact of extreme…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Yunpeng Gong , Yongjie Hou , Chuangliang Zhang , Min Jiang

This paper proposes a novel image contrast enhancement method based on both a noise aware shadow-up function and Retinex (retina and cortex) decomposition. Under low light conditions, images taken by digital cameras have low contrast in…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Chien Cheng Chien , Yuma Kinoshita , Sayaka Shiota , Hitoshi Kiya

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

We propose 'Hide-and-Seek' a general purpose data augmentation technique, which is complementary to existing data augmentation techniques and is beneficial for various visual recognition tasks. The key idea is to hide patches in a training…

计算机视觉与模式识别 · 计算机科学 2018-11-07 Krishna Kumar Singh , Hao Yu , Aron Sarmasi , Gautam Pradeep , Yong Jae Lee

Image retrieval is a crucial research topic in computer vision, with broad application prospects ranging from online product searches to security surveillance systems. In recent years, the accuracy and efficiency of image retrieval have…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Kim Jinwoo

Recent work has shown that deep vision models tend to be overly dependent on low-level or "texture" features, leading to poor generalization. Various data augmentation strategies have been proposed to overcome this so-called texture bias in…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Aditay Tripathi , Rishubh Singh , Anirban Chakraborty , Pradeep Shenoy

We propose a novel deep learning method for shadow removal. Inspired by physical models of shadow formation, we use a linear illumination transformation to model the shadow effects in the image that allows the shadow image to be expressed…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Hieu Le , Dimitris Samaras

Relighting of human images enables post-photography editing of lighting effects in portraits. The current mainstream approach uses neural networks to approximate lighting effects without explicitly accounting for the principle of physical…

图形学 · 计算机科学 2024-11-04 Daichi Tajima , Yoshihiro Kanamori , Yuki Endo

It has been shown that the majority of existing adversarial defense methods achieve robustness at the cost of sacrificing prediction accuracy. The undesirable severe drop in accuracy adversely affects the reliability of machine learning…

密码学与安全 · 计算机科学 2020-11-05 Jiawei Du , Hanshu Yan , Vincent Y. F. Tan , Joey Tianyi Zhou , Rick Siow Mong Goh , Jiashi Feng

Low-light image enhancement (LLIE) is a pervasive yet challenging problem, since: 1) low-light measurements may vary due to different imaging conditions in practice; 2) images can be enlightened subjectively according to diverse preferences…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Rongkai Zhang , Lanqing Guo , Siyu Huang , Bihan Wen

To cope with the challenges that low light conditions produce in images, photographers tend to use the light provided by the camera flash to get better illumination. Nevertheless, harsh shadows and non-uniform illumination can arise from…

图像与视频处理 · 电气工程与系统科学 2020-02-25 José Chávez , Rensso Mora , Edward Cayllahua-Cahuina

Self-regularized low-light image enhancement does not require any normal-light image in training, thereby freeing from the chains on paired or unpaired low-/normal-images. However, existing methods suffer color deviation and fail to…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Zhuqing Jiang , Haotian Li , Liangjie Liu , Aidong Men , Haiying Wang

Effective shadow removal is pivotal in enhancing the visual quality of images in various applications, ranging from computer vision to digital photography. During the last decades physics and machine learning -based methodologies have been…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Eirini Cholopoulou , Dimitrios E. Diamantis , Dimitra-Christina C. Koutsiou , Dimitris K. Iakovidis

Deep neural networks are vulnerable to adversarial examples, which are crafted by adding small, human-imperceptible perturbations to the original images, but make the model output inaccurate predictions. Before deep neural networks are…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Bo Yang , Kaiyong Xu , Hengjun Wang , Hengwei Zhang