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The goal of image harmonization is adjusting the foreground appearance in a composite image to make the whole image harmonious. To construct paired training images, existing datasets adopt different ways to adjust the illumination…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Li Niu , Junyan Cao , Wenyan Cong , Liqing Zhang

Integrating a foreground object into a background scene with illumination harmonization is an important but challenging task in computer vision and augmented reality community. Existing methods mainly focus on foreground and background…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Zhongyun Bao , Chengjiang Long , Gang Fu , Daquan Liu , Yuanzhen Li , Jiaming Wu , Chunxia Xiao

Image denoising is a well studied problem with an extensive activity that has spread over several decades. Despite the many available denoising algorithms, the quest for simple, powerful and fast denoisers is still an active and vibrant…

图像与视频处理 · 电气工程与系统科学 2021-03-26 Gregory Vaksman , Michael Elad , Peyman Milanfar

We present SHINOBI, an end-to-end framework for the reconstruction of shape, material, and illumination from object images captured with varying lighting, pose, and background. Inverse rendering of an object based on unconstrained image…

Night imaging with modern smartphone cameras is troublesome due to low photon count and unavoidable noise in the imaging system. Directly adjusting exposure time and ISO ratings cannot obtain sharp and noise-free images at the same time in…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Yuzhi Zhao , Yongzhe Xu , Qiong Yan , Dingdong Yang , Xuehui Wang , Lai-Man Po

This paper aims to recover the intrinsic reflectance layer and shading layer given a single image. Though this intrinsic image decomposition problem has been studied for decades, it remains a significant challenge in cases of complex…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Xiaodong Wang , Zijun He , Xin Yuan

This paper addresses the problem of inverse rendering from photometric images. Existing approaches for this problem suffer from the effects of self-shadows, inter-reflections, and lack of constraints on the surface reflectance, leading to…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Jingzhi Bao , Guanying Chen , Shuguang Cui

Despite the significant progress in image denoising, it is still challenging to restore fine-scale details while removing noise, especially in extremely low-light environments. Leveraging near-infrared (NIR) images to assist visible RGB…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Rongjian Xu , Zhilu Zhang , Renlong Wu , Wangmeng Zuo

Image composition plays a common but important role in photo editing. To acquire photo-realistic composite images, one must adjust the appearance and visual style of the foreground to be compatible with the background. Existing deep…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Jun Ling , Han Xue , Li Song , Rong Xie , Xiao Gu

Generalizable Image Super-Resolution aims to enhance model generalization capabilities under unknown degradations. To achieve this goal, the models are expected to focus only on image content-related features instead of overfitting…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Hongjun Wang , Jiyuan Chen , Zhengwei Yin , Xuan Song , Yinqiang Zheng

Zero-Shot Anomaly Detection (ZSAD) seeks to identify anomalies from arbitrary novel categories, offering a scalable and annotation-efficient solution. Traditionally, most ZSAD works have been based on the CLIP model, which performs anomaly…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Jingyi Yuan , Jianxiong Ye , Wenkang Chen , Chenqiang Gao

Portrait harmonization aims to composite a subject into a new background, adjusting its lighting and color to ensure harmony with the background scene. Existing harmonization techniques often only focus on adjusting the global color and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Mengwei Ren , Wei Xiong , Jae Shin Yoon , Zhixin Shu , Jianming Zhang , HyunJoon Jung , Guido Gerig , He Zhang

Given a composite image, image harmonization aims to adjust the foreground illumination to be consistent with background. Previous methods have explored transforming foreground features to achieve competitive performance. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Li Niu , Linfeng Tan , Xinhao Tao , Junyan Cao , Fengjun Guo , Teng Long , Liqing Zhang

Relighting is a crucial task with both practical demand and artistic value, and recent diffusion models have shown strong potential by enabling rich and controllable lighting effects. However, as they are typically optimized in semantic…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Ropeway Liu , Hangjie Yuan , Bo Dong , Jiazheng Xing , Jinwang Wang , Rui Zhao , Yan Xing , Weihua Chen , Fan Wang

With the rapid advancement of deep generative models, realistic fake images have become increasingly accessible, yet existing localization methods rely on complex designs and still struggle to generalize across manipulation types and…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Jieming Yu , Qiuxiao Feng , Zhuohan Wang , Xiaochen Ma

Recent advances in self-supervised learning (SSL) have made it possible to learn general-purpose visual features that capture both the high-level semantics and the fine-grained spatial structure of images. Most notably, the recent DINOv2…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Mattia Scardecchia

Recent deep learning methods have achieved promising results in image shadow removal. However, their restored images still suffer from unsatisfactory boundary artifacts, due to the lack of degradation prior embedding and the deficiency in…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Lanqing Guo , Chong Wang , Wenhan Yang , Siyu Huang , Yufei Wang , Hanspeter Pfister , Bihan Wen

Environment mapping is an important computing task for a wide range of smart city applications, including autonomous navigation, wireless network operations and extended reality environments. Conventional smart city mapping techniques, such…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Rafayel Mkrtchyan , Armen Manukyan , Hrant Khachatrian , Theofanis P. Raptis

The advent of Deep Neural Networks (DNNs) has driven remarkable progress in low-light image enhancement (LLIE), with diverse architectures (e.g., CNNs and Transformers) and color spaces (e.g., sRGB, HSV, HVI) yielding impressive results.…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Kangbiao Shi , Yixu Feng , Tao Hu , Yu Cao , Peng Wu , Yijin Liang , Yanning Zhang , Qingsen Yan

DINO and DINOv2 are two model families being widely used to learn representations from unlabeled imagery data at large scales. Their learned representations often enable state-of-the-art performance for downstream tasks, such as image…

计算机视觉与模式识别 · 计算机科学 2025-02-17 Ziyang Wu , Jingyuan Zhang , Druv Pai , XuDong Wang , Chandan Singh , Jianwei Yang , Jianfeng Gao , Yi Ma