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Rendering novel view images is highly desirable for many applications. Despite recent progress, it remains challenging to render high-fidelity and view-consistent novel views of large-scale scenes from in-the-wild images with inevitable…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Peng Dai , Yinda Zhang , Xin Yu , Xiaoyang Lyu , Xiaojuan Qi

Accurate 6D object pose estimation is vital for robotics, augmented reality, and scene understanding. For seen objects, high accuracy is often attainable via per-object fine-tuning but generalizing to unseen objects remains a challenge. To…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sajjad Pakdamansavoji , Yintao Ma , Amir Rasouli , Tongtong Cao

Image harmonization aims to generate a more realistic appearance of foreground and background for a composite image. Existing methods perform the same harmonization process for the whole foreground. However, the implanted foreground always…

Computer Vision and Pattern Recognition · Computer Science 2022-05-16 Jinlong Peng , Zekun Luo , Liang Liu , Boshen Zhang , Tao Wang , Yabiao Wang , Ying Tai , Chengjie Wang , Weiyao Lin

We identify occlusion reasoning as a fundamental yet overlooked aspect for 3D layout-conditioned generation. It is essential for synthesizing partially occluded objects with depth-consistent geometry and scale. While existing methods can…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Vaibhav Agrawal , Rishubh Parihar , Pradhaan Bhat , Ravi Kiran Sarvadevabhatla , R. Venkatesh Babu

Recent advancements in personalized image generation using diffusion models have been noteworthy. However, existing methods suffer from inefficiencies due to the requirement for subject-specific fine-tuning. This computationally intensive…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Xu Peng , Junwei Zhu , Boyuan Jiang , Ying Tai , Donghao Luo , Jiangning Zhang , Wei Lin , Taisong Jin , Chengjie Wang , Rongrong Ji

Imaging with optical resolution through and inside complex samples is a difficult challenge with important applications in many fields. The fundamental problem is that inhomogeneous samples, such as biological tissues, randomly scatter and…

Optics · Physics 2014-10-17 Ori Katz , Pierre Heidmann , Mathias Fink , Sylvain Gigan

We present a new neural representation, called Neural Ray (NeuRay), for the novel view synthesis task. Recent works construct radiance fields from image features of input views to render novel view images, which enables the generalization…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Yuan Liu , Sida Peng , Lingjie Liu , Qianqian Wang , Peng Wang , Christian Theobalt , Xiaowei Zhou , Wenping Wang

Occlusion in face recognition is a common yet challenging problem. While sparse representation based classification (SRC) has been shown promising performance in laboratory conditions (i.e. noiseless or random pixel corrupted), it performs…

Computer Vision and Pattern Recognition · Computer Science 2015-07-28 Yandong Wen , Weiyang Liu , Meng Yang , Yuli Fu , Youjun Xiang , Rui Hu

Directly regressing all 6 degrees-of-freedom (6DoF) for the object pose (e.g. the 3D rotation and translation) in a cluttered environment from a single RGB image is a challenging problem. While end-to-end methods have recently demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Yan Di , Fabian Manhardt , Gu Wang , Xiangyang Ji , Nassir Navab , Federico Tombari

An automated and reliable processing of bubbly flow images is highly needed to analyse large data sets of comprehensive experimental series. A particular difficulty arises due to overlapping bubble projections in recorded images, which…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Hendrik Hessenkemper , Sebastian Starke , Yazan Atassi , Thomas Ziegenhein , Dirk Lucas

We present DiffPortrait3D, a conditional diffusion model that is capable of synthesizing 3D-consistent photo-realistic novel views from as few as a single in-the-wild portrait. Specifically, given a single RGB input, we aim to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yuming Gu , You Xie , Hongyi Xu , Guoxian Song , Yichun Shi , Di Chang , Jing Yang , Linjie Luo

Virtual reality (VR) headsets provide an immersive, stereoscopic visual experience, but at the cost of blocking users from directly observing their physical environment. Passthrough techniques are intended to address this limitation by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Lei Xiao , Salah Nouri , Joel Hegland , Alberto Garcia Garcia , Douglas Lanman

Images can be viewed as layered compositions, foreground objects over background, with potential occlusions. This layered representation enables independent editing of elements, offering greater flexibility for content creation. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jingxi Chen , Yixiao Zhang , Xiaoye Qian , Zongxia Li , Cornelia Fermuller , Caren Chen , Yiannis Aloimonos

Physics-based differentiable rendering has emerged as a powerful technique in computer graphics and vision, with a broad range of applications in solving inverse rendering tasks. At its core, differentiable rendering enables the computation…

Graphics · Computer Science 2025-04-03 Yunfan Zeng , Guangyan Cai , Shuang Zhao

Ultrasound (US) image segmentation embraced its significant improvement in deep learning era. However, the lack of sharp boundaries in US images still remains an inherent challenge for segmentation. Previous methods often resort to global…

Image and Video Processing · Electrical Eng. & Systems 2020-10-13 Haoming Li , Xin Yang , Jiamin Liang , Wenlong Shi , Chaoyu Chen , Haoran Dou , Rui Li , Rui Gao , Guangquan Zhou , Jinghui Fang , Xiaowen Liang , Ruobing Huang , Alejandro Frangi , Zhiyi Chen , Dong Ni

Dense 3D facial motion capture from only monocular in-the-wild pairs of RGB images is a highly challenging problem with numerous applications, ranging from facial expression recognition to facial reenactment. In this work, we propose…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Mohammad Rami Koujan , Anastasios Roussos , Stefanos Zafeiriou

Object detection in natural environments is still a very challenging task, even though deep learning has brought a tremendous improvement in performance over the last years. A fundamental problem of object detection based on deep learning…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Julian Pegoraro , Roman Pflugfelder

Occlusions remain one of the key challenges in 3D body pose estimation from single-camera video sequences. Temporal consistency has been extensively used to mitigate their impact but the existing algorithms in the literature do not…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Soumava Kumar Roy , Ilia Badanin , Sina Honari , Pascal Fua

3D face reconstruction technology aims to generate a face stereo model naturally and realistically. Previous deep face reconstruction approaches are typically designed to generate convincing textures and cannot generalize well to multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Dapeng Zhao , Yue Qi

With Neural Radiance Fields (NeRFs) arising as a powerful 3D representation, research has investigated its various downstream tasks, including inpainting NeRFs with 2D images. Despite successful efforts addressing the view consistency and…

Image and Video Processing · Electrical Eng. & Systems 2025-04-04 Jingyu Shi , Achleshwar Luthra , Jiazhi Li , Xiang Gao , Xiyun Song , Zongfang Lin , David Gu , Heather Yu