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Related papers: The Digital Restoration of Da Vinci's Sketches

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We address the problem of using hand-drawn sketches to create exaggerated deformations to faces in videos, such as enlarging the shape or modifying the position of eyes or mouth. This task is formulated as a 3D face model reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Long Zhao , Fangda Han , Xi Peng , Xun Zhang , Mubbasir Kapadia , Vladimir Pavlovic , Dimitris N. Metaxas

Deep learning has paved the way for strong recognition systems which are often both trained on and applied to natural images. In this paper, we examine the give-and-take relationship between such visual recognition systems and the rich…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Hubert Lin , Mitchell Van Zuijlen , Maarten W. A. Wijntjes , Sylvia C. Pont , Kavita Bala

Facial sketches are both a concise way of showing the identity of a person and a means to express artistic intention. While a few techniques have recently emerged that allow sketches to be extracted in different styles, they typically rely…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Kwan Yun , Kwanggyoon Seo , Chang Wook Seo , Soyeon Yoon , Seongcheol Kim , Soohyun Ji , Amirsaman Ashtari , Junyong Noh

The colorful appearance of a physical painting is determined by the distribution of paint pigments across the canvas, which we model as a per-pixel mixture of a small number of pigments with multispectral absorption and scattering…

Graphics · Computer Science 2018-07-23 Jianchao Tan , Stephen DiVerdi , Jingwan Lu , Yotam Gingold

Caricature is an artistic abstraction of the human face by distorting or exaggerating certain facial features, while still retains a likeness with the given face. Due to the large diversity of geometric and texture variations, automatic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Hongrui Cai , Yudong Guo , Zhuang Peng , Juyong Zhang

The reconstruction of shredded documents consists of coherently arranging fragments of paper (shreds) to recover the original document(s). A great challenge in computational reconstruction is to properly evaluate the compatibility between…

Computer Vision and Pattern Recognition · Computer Science 2020-07-03 Thiago M. Paixão , Rodrigo F. Berriel , Maria C. S. Boeres , Alessandro L. Koerich , Claudine Badue , Alberto F. de Souza , Thiago Oliveira-Santos

Human sketch has already proved its worth in various visual understanding tasks (e.g., retrieval, segmentation, image-captioning, etc). In this paper, we reveal a new trait of sketches - that they are also salient. This is intuitive as…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Ayan Kumar Bhunia , Subhadeep Koley , Amandeep Kumar , Aneeshan Sain , Pinaki Nath Chowdhury , Tao Xiang , Yi-Zhe Song

A portrait is a painting, drawing, photograph, or engraving of a person, especially one depicting only the face or head and shoulders. In the digital world the portrait of a person is captured by having the person as a subject in the image…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Sumedh Vilas Datar and , Jesus Gonzales Bernal

The key challenge in designing a sketch representation lies with handling the abstract and iconic nature of sketches. Existing work predominantly utilizes either, (i) a pixelative format that treats sketches as natural images employing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Yonggang Qi , Guoyao Su , Pinaki Nath Chowdhury , Mingkang Li , Yi-Zhe Song

As the first step of the restoration process of painted relics, sketch extraction plays an important role in cultural research. However, sketch extraction suffers from serious disease corrosion, which results in broken lines and noise. To…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Jinye Peng , Jiaxin Wang , Jun Wang , Erlei Zhang , Qunxi Zhang , Yongqin Zhang , Xianlin Peng , Kai Yu

Humans can intuitively decompose an image into a sequence of strokes to create a painting, yet existing methods for generating drawing processes are limited to specific data types and often rely on expensive human-annotated datasets. We…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Junjie Hu , Shuyong Gao , Qianyu Guo , Yan Wang , Qishan Wang , Yuang Feng , Wenqiang Zhang

Sketch as an image search query is an ideal alternative to text in capturing the fine-grained visual details. Prior successes on fine-grained sketch-based image retrieval (FG-SBIR) have demonstrated the importance of tackling the unique…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Aneeshan Sain , Ayan Kumar Bhunia , Yongxin Yang , Tao Xiang , Yi-Zhe Song

Art and culture, at their best, lie in the act of discovery and exploration. This paper describes Resurrect3D, an open visualization platform for both casual users and domain experts to explore cultural artifacts. To that end, Resurrect3D…

Human-Computer Interaction · Computer Science 2021-12-22 Joshua Romphf , Elias Neuman-Donihue , Gregory Heyworth , Yuhao Zhu

We present a fully automatic method to generate detailed and accurate artistic shadows from pairs of line drawing sketches and lighting directions. We also contribute a new dataset of one thousand examples of pairs of line drawings and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Qingyuan Zheng , Zhuoru Li , Adam Bargteil

We consider the problem of recovering an $n_1 \times n_2$ low-rank matrix with $k$-sparse singular vectors from a small number of linear measurements (sketch). We propose a sketching scheme and an algorithm that can recover the singular…

Information Theory · Computer Science 2024-07-02 Xiaoqi Liu , Ramji Venkataramanan

Previous researches of sketches often considered sketches in pixel format and leveraged CNN based models in the sketch understanding. Fundamentally, a sketch is stored as a sequence of data points, a vector format representation, rather…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Hangyu Lin , Yanwei Fu , Yu-Gang Jiang , Xiangyang Xue

Some software solutions used to obtain the facial transformations can help investigating the artistic metamorphosis of the ancient portraits of the same person. An analysis with a freely available software of portraitures of Julius Caesar…

Computer Vision and Pattern Recognition · Computer Science 2013-04-09 Amelia Carolina Sparavigna

We propose a method for reconstructing 3D shapes from 2D sketches in the form of line drawings. Our method takes as input a single sketch, or multiple sketches, and outputs a dense point cloud representing a 3D reconstruction of the input…

Computer Vision and Pattern Recognition · Computer Science 2017-10-02 Zhaoliang Lun , Matheus Gadelha , Evangelos Kalogerakis , Subhransu Maji , Rui Wang

Linear regression is frequently applied in a variety of domains, some of which might contain sensitive information. This necessitates that the application of these methods does not reveal private information. Differentially private (DP)…

Machine Learning · Computer Science 2025-12-01 Shrutimoy Das , Debanuj Nayak , Anirban Dasgupta

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