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Related papers: Shadow Generation for Composite Image Using Diffus…

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Diffusion models have achieved state-of-the-art results on many modalities including images, speech, and video. However, existing models are not tailored to support remote sensing data, which is widely used in important applications…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Samar Khanna , Patrick Liu , Linqi Zhou , Chenlin Meng , Robin Rombach , Marshall Burke , David Lobell , Stefano Ermon

Current subject-driven image generation methods encounter significant challenges in person-centric image generation. The reason is that they learn the semantic scene and person generation by fine-tuning a common pre-trained diffusion, which…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yibin Wang , Weizhong Zhang , Jianwei Zheng , Cheng Jin

Galaxies are biased tracers of the underlying cosmic web, which is dominated by dark matter components that cannot be directly observed. Galaxy formation simulations can be used to study the relationship between dark matter density fields…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-19 Victoria Ono , Core Francisco Park , Nayantara Mudur , Yueying Ni , Carolina Cuesta-Lazaro , Francisco Villaescusa-Navarro

There has been a longstanding belief that generation can facilitate a true understanding of visual data. In line with this, we revisit generatively pre-training visual representations in light of recent interest in denoising diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Chen Wei , Karttikeya Mangalam , Po-Yao Huang , Yanghao Li , Haoqi Fan , Hu Xu , Huiyu Wang , Cihang Xie , Alan Yuille , Christoph Feichtenhofer

Shadows often occur when we capture the documents with casual equipment, which influences the visual quality and readability of the digital copies. Different from the algorithms for natural shadow removal, the algorithms in document shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Zinuo Li , Xuhang Chen , Chi-Man Pun , Xiaodong Cun

Despite significant advancements in network-based image harmonization techniques, there still exists a domain disparity between typical training pairs and real-world composites encountered during inference. Most existing methods are trained…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Chris Careaga , S. Mahdi H. Miangoleh , Yağız Aksoy

Transformer recently emerged as the de facto model for computer vision tasks and has also been successfully applied to shadow removal. However, these existing methods heavily rely on intricate modifications to the attention mechanisms…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Zhuohao Li , Guoyang Xie , Guannan Jiang , Zhichao Lu

Segment anything model (SAM) has achieved great success in the field of natural image segmentation. Nevertheless, SAM tends to consider shadows as background and therefore does not perform segmentation on them. In this paper, we propose…

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

Despite diffusion models' superior capabilities in modeling complex distributions, there are still non-trivial distributional discrepancies between generated and ground-truth images, which has resulted in several notable problems in image…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Yujian Liu , Yang Zhang , Tommi Jaakkola , Shiyu Chang

Conditional image generation has paved the way for several breakthroughs in image editing, generating stock photos and 3-D object generation. This continues to be a significant area of interest with the rise of new state-of-the-art methods…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Vedant Singh , Surgan Jandial , Ayush Chopra , Siddharth Ramesh , Balaji Krishnamurthy , Vineeth N. Balasubramanian

Automatic detection of shadow regions in an image is a difficult task due to the lack of prior information about the illumination source and the dynamic of the scene objects. To address this problem, in this paper, a deep-learning based…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Sorour Mohajerani , Parvaneh Saeedi

Diffusion models developed on top of powerful text-to-image generation models like Stable Diffusion achieve remarkable success in visual story generation. However, the best-performing approach considers historically generated results as…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Zhangyin Feng , Yuchen Ren , Xinmiao Yu , Xiaocheng Feng , Duyu Tang , Shuming Shi , Bing Qin

With the rapid development of image generation technologies, especially the advancement of Diffusion Models, the quality of synthesized images has significantly improved, raising concerns among researchers about information security. To…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Weinan Guan , Wei Wang , Bo Peng , Ziwen He , Jing Dong , Haonan Cheng

We present SinDiffusion, leveraging denoising diffusion models to capture internal distribution of patches from a single natural image. SinDiffusion significantly improves the quality and diversity of generated samples compared with…

Computer Vision and Pattern Recognition · Computer Science 2022-11-23 Weilun Wang , Jianmin Bao , Wengang Zhou , Dongdong Chen , Dong Chen , Lu Yuan , Houqiang Li

Intrinsic image decomposition, which is an essential task in computer vision, aims to infer the reflectance and shading of the scene. It is challenging since it needs to separate one image into two components. To tackle this, conventional…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Yunfei Liu , Yu Li , Shaodi You , Feng Lu

Dataset bias is a significant challenge in machine learning, where specific attributes, such as texture or color of the images are unintentionally learned resulting in detrimental performance. To address this, previous efforts have focused…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Donggeun Ko , Sangwoo Jo , Dongjun Lee , Namjun Park , Jaekwang Kim

Large text-to-image models achieved a remarkable leap in the evolution of AI, enabling high-quality and diverse synthesis of images from a given text prompt. However, these models lack the ability to mimic the appearance of subjects in a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Nataniel Ruiz , Yuanzhen Li , Varun Jampani , Yael Pritch , Michael Rubinstein , Kfir Aberman

Existing unsupervised methods have addressed the challenges of inconsistent paired data and tedious acquisition of ground-truth labels in shadow removal tasks. However, GAN-based training often faces issues such as mode collapse and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Ziqi Zeng , Chen Zhao , Weiling Cai , Chenyu Dong

Text-to-image generation has witnessed great progress, especially with the recent advancements in diffusion models. Since texts cannot provide detailed conditions like object appearance, reference images are usually leveraged for the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Zhiqi Huang , Huixin Xiong , Haoyu Wang , Longguang Wang , Zhiheng Li

Image shadow removal is a typical low-level vision task. Shadows cause local brightness shifts, which reduce the performance of downstream vision tasks. Currently, Transformer-based shadow removal methods suffer from quadratic computational…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Xiujin Zhu , Chee-Onn Chow , Joon Huang Chuah
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