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Related papers: MetaShadow: Object-Centered Shadow Detection, Remo…

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Most face relighting methods are able to handle diffuse shadows, but struggle to handle hard shadows, such as those cast by the nose. Methods that propose techniques for handling hard shadows often do not produce geometrically consistent…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Andrew Hou , Michel Sarkis , Ning Bi , Yiying Tong , Xiaoming Liu

Image composition refers to inserting a foreground object into a background image to obtain a composite image. In this work, we focus on generating plausible shadows for the inserted foreground object to make the composite image more…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Xinhao Tao , Junyan Cao , Yan Hong , Li Niu

We present a first of its kind dataset of overhead imagery for development and evaluation of forensic tools. Our dataset consists of real, fully synthetic and partially manipulated overhead imagery generated from a custom diffusion model…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Brandon B. May , Kirill Trapeznikov , Shengbang Fang , Matthew C. Stamm

In recent years, novel view synthesis from a single image has seen significant progress thanks to the rapid advancements in 3D scene representation and image inpainting techniques. While the current approaches are able to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Avinash Paliwal , Brandon Nguyen , Andrii Tsarov , Nima Khademi Kalantari

Recently, the progress of learning-by-synthesis has proposed a training model for synthetic images, which can effectively reduce the cost of human and material resources. However, due to the different distribution of synthetic images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-17 Yuxiao Yan , Yang Yan , Jinjia Peng , Huibing Wang , Xianping Fu

Object detectors achieve strong performance under nominal imaging conditions but can fail silently when exposed to blur, noise, compression, adverse weather, or resolution changes. In safety-critical settings, it is therefore insufficient…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Stefan Becker , Simon Weiss , Wolfgang Hübner , Michael Arens

Humans can envision a realistic photo given a free-hand sketch that is not only spatially imprecise and geometrically distorted but also without colors and visual details. We study unsupervised sketch-to-photo synthesis for the first time,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Runtao Liu , Qian Yu , Stella Yu

Shadow removal and segmentation remain challenging tasks in computer vision, particularly in complex real world scenarios. This study presents a novel approach that enhances the ShadowFormer model by incorporating Masked Autoencoder (MAE)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Shreyans Jain , Viraj Vekaria , Karan Gandhi , Aadya Arora

Video object removal aims to eliminate target objects from videos while plausibly completing missing regions and preserving spatio-temporal consistency. Although diffusion models have recently advanced this task, it remains challenging to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Dingming Liu , Wenjing Wang , Chen Li , Jing Lyu

Extracting accurate foreground objects from a scene is an essential step for many video applications. Traditional background subtraction algorithms can generate coarse estimates, but generating high quality masks requires professional…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Xiran Wang , Jason Juang , Stanley H. Chan

Single-image shadow removal is a significant task that is still unresolved. Most existing deep learning-based approaches attempt to remove the shadow directly, which can not deal with the shadow well. To handle this issue, we consider…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Yonghui Wang , Wengang Zhou , Hao Feng , Li Li , Houqiang Li

Accurate and fast extraction of foreground object is a key prerequisite for a wide range of computer vision applications such as object tracking and recognition. Thus, enormous background subtraction methods for foreground object detection…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Dongdong Zeng , Ming Zhu , Arjan Kuijper

Generating realistic cast shadows for inserted foreground objects is a crucial yet challenging problem in image composition, where maintaining geometric consistency of shadow and object in complex scenes remains difficult due to the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Jing Li , Jing Zhang

Image harmonization is an important step in photo editing to achieve visual consistency in composite images by adjusting the appearances of foreground to make it compatible with background. Previous approaches to harmonize composites are…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Konstantin Sofiiuk , Polina Popenova , Anton Konushin

We propose a novel approach to synthesizing images that are effective for training object detectors. Starting from a small set of real images, our algorithm estimates the rendering parameters required to synthesize similar images given a…

Computer Vision and Pattern Recognition · Computer Science 2015-06-30 Artem Rozantsev , Vincent Lepetit , Pascal Fua

Existing scene understanding systems mainly focus on recognizing the visible parts of a scene, ignoring the intact appearance of physical objects in the real-world. Concurrently, image completion has aimed to create plausible appearance for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Chuanxia Zheng , Duy-Son Dao , Guoxian Song , Tat-Jen Cham , Jianfei Cai

Many objects do not appear frequently enough in complex scenes (e.g., certain handbags in living rooms) for training an accurate object detector, but are often found frequently by themselves (e.g., in product images). Yet, these…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Cheng Zhang , Tai-Yu Pan , Yandong Li , Hexiang Hu , Dong Xuan , Soravit Changpinyo , Boqing Gong , Wei-Lun Chao

Video object removal has achieved advanced performance due to the recent success of video generative models. However, when addressing the side effects of objects, e.g., their shadows and reflections, existing works struggle to eliminate…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Chenxuan Miao , Yutong Feng , Jianshu Zeng , Zixiang Gao , Hantang Liu , Yunfeng Yan , Donglian Qi , Xi Chen , Bin Wang , Hengshuang Zhao

This paper presents a novel method of foreground segmentation that distinguishes moving objects from their moving cast shadows in monocular image sequences. The models of background, edge information, and shadow are set up and adaptively…

Computer Vision and Pattern Recognition · Computer Science 2013-01-07 Yang Wang , Tele Tan

The advancement of generative radiance fields has pushed the boundary of 3D-aware image synthesis. Motivated by the observation that a 3D object should look realistic from multiple viewpoints, these methods introduce a multi-view constraint…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xingang Pan , Xudong Xu , Chen Change Loy , Christian Theobalt , Bo Dai