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相关论文: Hierarchical Vectorization for Portrait Images

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Vectorizing hand-drawn sketches is a challenging task, which is of paramount importance for creating CAD vectorized versions for the fashion and creative workflows. This paper proposes a complete framework that automatically transforms…

计算机视觉与模式识别 · 计算机科学 2018-02-19 Luca Donati , Simone Cesano , Andrea Prati

Portrait harmonization aims to composite a subject into a new background, adjusting its lighting and color to ensure harmony with the background scene. Existing harmonization techniques often only focus on adjusting the global color and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Mengwei Ren , Wei Xiong , Jae Shin Yoon , Zhixin Shu , Jianming Zhang , HyunJoon Jung , Guido Gerig , He Zhang

Recent diffusion-based Single-image 3D portrait generation methods typically employ 2D diffusion models to provide multi-view knowledge, which is then distilled into 3D representations. However, these methods usually struggle to produce…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Haoran Wei , Wencheng Han , Xingping Dong , Jianbing Shen

SVG (Scalable Vector Graphics) is a widely used graphics format that possesses excellent scalability and editability. Image vectorization, which aims to convert raster images to SVGs, is an important yet challenging problem in computer…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Teng Hu , Ran Yi , Baihong Qian , Jiangning Zhang , Paul L. Rosin , Yu-Kun Lai

Image rasterization is a mature technique in computer graphics, while image vectorization, the reverse path of rasterization, remains a major challenge. Recent advanced deep learning-based models achieve vectorization and semantic…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Xu Ma , Yuqian Zhou , Xingqian Xu , Bin Sun , Valerii Filev , Nikita Orlov , Yun Fu , Humphrey Shi

This study introduces a modular framework for spatial image processing, integrating grayscale quantization, color and brightness enhancement, image sharpening, bidirectional transformation pipelines, and geometric feature extraction. A…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Noor Islam S. Mohammad

Portrait pictures, which typically feature both human subjects and natural backgrounds, are one of the most prevalent forms of photography on social media. Existing image super-resolution (ISR) techniques generally focus either on generic…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Renjie Li , Zihao Zhu , Xiaoyu Wang , Zhengzhong Tu

The goal of this paper is to present a new efficient image segmentation method based on evolutionary computation which is a model inspired from human behavior. Based on this model, a four layer process for image segmentation is proposed…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Roohollah Aslanzadeh , Kazem Qazanfari , Mohammad Rahmati

Current 3D representations like meshes, voxels, point clouds, and NeRF-based neural implicit fields exhibit significant limitations: they are often task-specific, lacking universal applicability across reconstruction, generation, editing,…

图形学 · 计算机科学 2025-07-17 Tielong Wang , Yuxuan Xiong , Jinfan Liu , Zhifan Zhang , Ye Chen , Yue Shi , Bingbing Ni

Portrait photo retouching is a photo retouching task that emphasizes human-region priority and group-level consistency. The lookup table-based method achieves promising retouching performance by learning image-adaptive weights to combine…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Binglu Wang , Chengzhe Lu , Dawei Yan , Yongqiang Zhao

The process of transforming a raster image into a vector representation is known as image tracing. This study looks into several processing methods that include high-pass filtering, autoencoding, and vectorization to extract an abstract…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Zineddine Bettouche , Andreas Fischer

We propose EditCrafter, a high-resolution image editing method that operates without tuning, leveraging pretrained text-to-image (T2I) diffusion models to process images at resolutions significantly exceeding those used during training.…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Kunho Kim , Sumin Seo , Yongjun Cho , Hyungjin Chung

Image tracing is a foundational component of the workflow in graphic design, engineering, and computer animation, linking hand-drawn concept images to collections of smooth curves needed for geometry processing and editing. Even for clean…

图形学 · 计算机科学 2018-09-07 Mikhail Bessmeltsev , Justin Solomon

We propose a multi-layer variational autoencoder method, we call HR-VQVAE, that learns hierarchical discrete representations of the data. By utilizing a novel objective function, each layer in HR-VQVAE learns a discrete representation of…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Mohammad Adiban , Kalin Stefanov , Sabato Marco Siniscalchi , Giampiero Salvi

Image vectorization aims to convert raster images into editable, scalable vector representations while preserving visual fidelity. Existing vectorization methods struggle to represent complex real-world images, often producing fragmented…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Xingyue Lin , Shuai Peng , Xiangyu Xie , Jianhua Zhu , Yuxuan Zhou , Liangcai Gao

We present a deep neural network for removing undesirable shading features from an unconstrained portrait image, recovering the underlying texture. Our training scheme incorporates three regularization strategies: masked loss, to emphasize…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Joshua Weir , Junhong Zhao , Andrew Chalmers , Taehyun Rhee

Fourier Ptychography is a recently proposed imaging technique that yields high-resolution images by computationally transcending the diffraction blur of an optical system. At the crux of this method is the phase retrieval algorithm, which…

计算机视觉与模式识别 · 计算机科学 2018-05-10 Lokesh Boominathan , Mayug Maniparambil , Honey Gupta , Rahul Baburajan , Kaushik Mitra

Achieving photorealistic 3D view synthesis and relighting of human portraits is pivotal for advancing AR/VR applications. Existing methodologies in portrait relighting demonstrate substantial limitations in terms of generalization and 3D…

This paper proposes a novel face recognition algorithm based on large-scale supervised hierarchical feature learning. The approach consists of two parts: hierarchical feature learning and large-scale model learning. The hierarchical feature…

计算机视觉与模式识别 · 计算机科学 2014-07-08 Jianguo Li , Yurong Chen

Text-guided image editing has recently experienced rapid development. However, simultaneously performing multiple editing actions on a single image, such as background replacement and specific subject attribute changes, while maintaining…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Pengzhi Li , QInxuan Huang , Yikang Ding , Zhiheng Li