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Related papers: Hierarchical Vectorization for Portrait Images

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Face editing methods, essential for tasks like virtual avatars, digital human synthesis and identity preservation, have traditionally been built upon GAN-based techniques, while recent focus has shifted to diffusion-based models due to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Mengting Wei , Tuomas Varanka , Yante Li , Xingxun Jiang , Huai-Qian Khor , Guoying Zhao

Fine-Tuning Diffusion Models enable a wide range of personalized generation and editing applications on diverse visual modalities. While Low-Rank Adaptation (LoRA) accelerates the fine-tuning process, it still requires multiple reference…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Xiaojie Li , Chenghao Gu , Shuzhao Xie , Yunpeng Bai , Weixiang Zhang , Zhi Wang

Numerous methods have been proposed to transform color and grayscale images to their single bit-per-pixel binary counterparts. Commonly, the goal is to enhance specific attributes of the original image to make it more amenable for analysis.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Shumeet Baluja

Generating portrait images by controlling the motions of existing faces is an important task of great consequence to social media industries. For easy use and intuitive control, semantically meaningful and fully disentangled parameters…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Yurui Ren , Ge Li , Yuanqi Chen , Thomas H. Li , Shan Liu

Diffusion models have shown impressive results in text-to-image synthesis. Using massive datasets of captioned images, diffusion models learn to generate raster images of highly diverse objects and scenes. However, designers frequently use…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Ajay Jain , Amber Xie , Pieter Abbeel

Sketch portrait generation benefits a wide range of applications such as digital entertainment and law enforcement. Although plenty of efforts have been dedicated to this task, several issues still remain unsolved for generating vivid and…

Computer Vision and Pattern Recognition · Computer Science 2017-10-05 Dongyu Zhang , Liang Lin , Tianshui Chen , Xian Wu , Wenwei Tan , Ebroul Izquierdo

Saliency methods generating visual explanatory maps representing the importance of image pixels for model classification is a popular technique for explaining neural network decisions. Hierarchical dynamic masks (HDM), a novel explanatory…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Yitao Peng , Longzhen Yang , Yihang Liu , Lianghua He

Text-driven portrait editing holds significant potential for various applications but also presents considerable challenges. An ideal text-driven portrait editing approach should achieve precise localization and appropriate content…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Tianyao He , Runqi Wang , Yang Chen , Dejia Song , Nemo Chen , Xu Tang , Yao Hu

Digitizing humans and synthesizing photorealistic avatars with explicit 3D pose and camera controls are central to VR, telepresence, and entertainment. Existing skinning-based workflows require laborious manual rigging or template-based…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Zhilin Guo , Jing Yang , Kyle Fogarty , Jingyi Wan , Boqiao Zhang , Tianhao Wu , Weihao Xia , Chenliang Zhou , Sakar Khattar , Fangcheng Zhong , Cristina Nader Vasconcelos , Cengiz Oztireli

We present RodinHD, which can generate high-fidelity 3D avatars from a portrait image. Existing methods fail to capture intricate details such as hairstyles which we tackle in this paper. We first identify an overlooked problem of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Bowen Zhang , Yiji Cheng , Chunyu Wang , Ting Zhang , Jiaolong Yang , Yansong Tang , Feng Zhao , Dong Chen , Baining Guo

Diffusion probabilistic models learn to remove noise added during training, generating novel data (e.g., images) from Gaussian noise through sequential denoising. However, conditioning the generative process on corrupted or masked images is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Sakshi Agarwal , Gabriel Hope , Jimin Heo , Erik B. Sudderth

Text-to-image diffusion models excel at generating diverse portraits, but lack intuitive shadow control. Existing editing approaches, as post-processing, struggle to offer effective manipulation across diverse styles. Additionally, these…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Haoming Cai , Tsung-Wei Huang , Shiv Gehlot , Brandon Y. Feng , Sachin Shah , Guan-Ming Su , Christopher Metzler

As critical visual details become obscured, the low visibility and high ISO noise in extremely low-light images pose a significant challenge to human pose estimation. Current methods fail to provide high-quality representations due to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Feng Zhang , Ze Li , Xiatian Zhu , Lei Chen

We address the problem of learning person-specific facial priors from a small number (e.g., 20) of portrait photos of the same person. This enables us to edit this specific person's facial appearance, such as expression and lighting, while…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Zheng Ding , Xuaner Zhang , Zhihao Xia , Lars Jebe , Zhuowen Tu , Xiuming Zhang

We suggest a rasterization pipeline tailored towards the need of head-mounted displays (HMD), where latency and field-of-view requirements pose new challenges beyond those of traditional desktop displays. Instead of rendering and warping…

Graphics · Computer Science 2018-06-15 Tobias Ritschel , Sebastian Friston , Anthony Steed

Deep networks have achieved huge successes in application domains like object and face recognition. The performance gain is attributed to different facets of the network architecture such as: depth of the convolutional layers, activation…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Chollette C. Olisah , Lyndon Smith

This paper presents a novel deep learning-based approach for automatically vectorizing and synthesizing the clipart of man-made objects. Given a raster clipart image and its corresponding object category (e.g., airplanes), the proposed…

Graphics · Computer Science 2021-06-10 I-Chao Shen , Bing-Yu Chen

We present a novel approach to adjust global image properties such as colour, saturation, and luminance using human-interpretable image enhancement curves, inspired by the Photoshop curves tool. Our method, dubbed neural CURve Layers…

Image and Video Processing · Electrical Eng. & Systems 2020-10-26 Sean Moran , Steven McDonagh , Gregory Slabaugh

Text-to-image diffusion models often face a severe trilemma in human portrait generation: text-image alignment, photorealism, and human-perceived aesthetics inherently inhibit one another. Supervised Fine-Tuning (SFT) is an effective method…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yunlong Wang , Jinjin Shi , Wenbin Gao , Xuran Xu , Runyu Shi , Ying Huang

While diffusion models show promising results in image editing given a target prompt, achieving both prompt fidelity and background preservation remains difficult. Recent works have introduced score distillation techniques that leverage the…

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