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Retrieval-augmented Generation (RAG) relies on effective retrieval capabilities, yet traditional sparse and dense retrievers inherently struggle with multi-hop retrieval scenarios. In this paper, we introduce GeAR, a system that advances…

Monocular depth estimation remains challenging for transparent objects, where refraction and transmission are difficult to model and break the appearance assumptions used by depth networks. As a result, state-of-the-art estimators often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Xiaoying Wang , Yumeng He , Jingkai Shi , Jiayin Lu , Yin Yang , Ying Jiang , Chenfanfu Jiang

3D LiDAR sensors are indispensable for the robust vision of autonomous mobile robots. However, deploying LiDAR-based perception algorithms often fails due to a domain gap from the training environment, such as inconsistent angular…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Kazuto Nakashima , Yumi Iwashita , Ryo Kurazume

Site-specific outdoor AR experiences are typically authored using static 3D models, but are deployed in physical environments that change over time. As a result, virtual content may become misaligned with its intended real-world referents,…

Human-Computer Interaction · Computer Science 2025-08-12 Nels Numan , Jessica Van Brummelen , Ziwen Lu , Anthony Steed

We propose a physically-motivated deep learning framework to solve a general version of the challenging indoor lighting estimation problem. Given a single LDR image with a depth map, our method predicts spatially consistent lighting at any…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Zhengqin Li , Li Yu , Mikhail Okunev , Manmohan Chandraker , Zhao Dong

Most existing Low-light Image Enhancement (LLIE) methods either directly map Low-Light (LL) to Normal-Light (NL) images or use semantic or illumination maps as guides. However, the ill-posed nature of LLIE and the difficulty of semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Han Zhou , Wei Dong , Xiaohong Liu , Shuaicheng Liu , Xiongkuo Min , Guangtao Zhai , Jun Chen

The rapid development of generative AI has made AI-generated images increasingly realistic and high-resolution. Most AI-generated image detection architectures typically downsample images before inputting them into models, risking the loss…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Lawrence Han

Recent visual autoregressive (AR) models have shown promising capabilities in text-to-image generation, operating in a manner similar to large language models. While test-time computation scaling has brought remarkable success in enabling…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Joonhyung Park , Hyeongwon Jang , Joowon Kim , Eunho Yang

Class-conditional generative models have emerged as accurate and robust classifiers, with diffusion models demonstrating clear advantages over other visual generative paradigms, including autoregressive (AR) models. In this work, we revisit…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Ilia Sudakov , Artem Babenko , Dmitry Baranchuk

Attention-based motion aggregation concepts have recently shown their usefulness in optical flow estimation, in particular when it comes to handling occluded regions. However, due to their complexity, such concepts have been mainly…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Azin Jahedi , Maximilian Luz , Marc Rivinius , Andrés Bruhn

With the rapid advancement of generative models, highly realistic image synthesis has posed new challenges to digital security and media credibility. Although AI-generated image detection methods have partially addressed these concerns, a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Chunxiao Li , Xiaoxiao Wang , Meiling Li , Boming Miao , Peng Sun , Yunjian Zhang , Xiangyang Ji , Yao Zhu

Augmented reality (AR) using camera images in mobile devices is becoming popular for tourism promotion. However, obstructions such as tourists appearing in the camera images may cause the camera pose estimation error, resulting in CG…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Hakim Ikebayashi , Norihiko Kawai

Text-to-3D form plays a crucial role in creating editable 3D scenes for AR/VR. Recent advances have shown promise in merging neural radiance fields (NeRFs) with pre-trained diffusion models for text-to-3D object generation. However, one…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Haotian Bai , Yuanhuiyi Lyu , Lutao Jiang , Sijia Li , Haonan Lu , Xiaodong Lin , Lin Wang

This paper presents an illumination estimation method for virtual objects in real environment by learning. While previous works tackled this problem by reconstructing high dynamic range (HDR) environment maps or the corresponding spherical…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Di Xu , Zhen Li , Yanning Zhang , Qi Cao

Illumination and texture editing are critical dimensions for world-to-world transfer, which is valuable for applications including sim2real and real2real visual data scaling up for embodied AI. Existing techniques generatively re-render the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Yang Liu , Chuanchen Luo , Zimo Tang , Yingyan Li , Yuran Yang , Yuanyong Ning , Lue Fan , Junran Peng , Zhaoxiang Zhang

In this paper, we propose a scene-level inverse rendering framework that uses multi-view images to decompose the scene into geometry, SVBRDF, and 3D spatially-varying lighting. While multi-view images have been widely used for object-level…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 JunYong Choi , SeokYeong Lee , Haesol Park , Seung-Won Jung , Ig-Jae Kim , Junghyun Cho

Image restoration (IR) in real-world scenarios presents significant challenges due to the lack of high-capacity models and comprehensive datasets. To tackle these issues, we present a dual strategy: GenIR, an innovative data curation…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Yuang Ai , Xiaoqiang Zhou , Huaibo Huang , Xiaotian Han , Zhengyu Chen , Quanzeng You , Hongxia Yang

Augmented reality (AR) has gained increasingly attention from both research and industry communities. By overlaying digital information and content onto the physical world, AR enables users to experience the world in a more informative and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Rui Huang , Chuan Fang , Kejie Qiu , Le Cui , Zilong Dong , Siyu Zhu , Ping Tan

High dynamic range (HDR) rendering has the ability to faithfully reproduce the wide luminance ranges in natural scenes, but how to accurately assess the rendering quality is relatively underexplored. Existing quality models are mostly…

Image and Video Processing · Electrical Eng. & Systems 2024-09-11 Peibei Cao , Rafal K. Mantiuk , Kede Ma

Reinforcement learning (RL) has improved guided image generation with diffusion models by directly optimizing rewards that capture image quality, aesthetics, and instruction following capabilities. However, the resulting generative policies…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Owen Oertell , Jonathan D. Chang , Yiyi Zhang , Kianté Brantley , Wen Sun