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Drawing freehand sketches of mechanical components on multimedia devices for AI-based engineering modeling has become a new trend. However, its development is being impeded because existing works cannot produce suitable sketches for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Zhichao Liao , Di Huang , Heming Fang , Yue Ma , Fengyuan Piao , Xinghui Li , Long Zeng , Pingfa Feng

We consider the problem of reconstructing a 3D scene from multiple sketches. We propose a pipeline which involves (1) stitching together multiple sketches through use of correspondence points, (2) converting the stitched sketch into a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Abhimanyu Talwar , Julien Laasri

Illustration is a fundamental mode of human expression and communication. Certain types of motion that accompany speech can provide this illustrative mode of communication. While Augmented and Virtual Reality technologies (AR/VR) have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Hui Xian Grace Lim , Xuanming Cui , Yogesh S Rawat , Ser-Nam Lim

In this work, we investigate the problem of sketch-based object localization on natural images, where given a crude hand-drawn sketch of an object, the goal is to localize all the instances of the same object on the target image. This…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Aditay Tripathi , Anand Mishra , Anirban Chakraborty

3D textured face reconstruction from sketches applicable in many scenarios such as animation, 3D avatars, artistic design, missing people search, etc., is a highly promising but underdeveloped research topic. On the one hand, the stylistic…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Zidu Wang , Xiangyu Zhu , Jiang Yu , Tianshuo Zhang , Zhen Lei

In this paper, we address the challenging problem of 3D concept grounding (i.e. segmenting and learning visual concepts) by looking at RGBD images and reasoning about paired questions and answers. Existing visual reasoning approaches…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Yining Hong , Yilun Du , Chunru Lin , Joshua B. Tenenbaum , Chuang Gan

Effective scene representation is critical for the visual grounding ability of representations, yet existing methods for 3D Visual Grounding are often constrained. They either only focus on geometric and visual cues, or, like traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Qinghongbing Xie , Zijian Liang , Fuhao Li , Long Zeng

Extracting high-level structural information from 3D point clouds is challenging but essential for tasks like urban planning or autonomous driving requiring an advanced understanding of the scene at hand. Existing approaches are still not…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Lukas Bode , Michael Weinmann , Reinhard Klein

We explore the task of geometric reconstruction of images captured from a mixture of ground and aerial views. Current state-of-the-art learning-based approaches fail to handle the extreme viewpoint variation between aerial-ground image…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Khiem Vuong , Anurag Ghosh , Deva Ramanan , Srinivasa Narasimhan , Shubham Tulsiani

Virtual Production (VP) professionals often face challenges accessing tacit knowledge and creative intent, which are important in forming common ground with collaborators and in contributing more effectively and efficiently to the team.…

Human-Computer Interaction · Computer Science 2026-02-16 Gun Woo , Park , Frederik Brudy , George Fitzmaurice , Fraser Anderson

Reconstructing 3D shape from 2D sketches has long been an open problem because the sketches only provide very sparse and ambiguous information. In this paper, we use an encoder/decoder architecture for the sketch to mesh translation. When…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Benoit Guillard , Edoardo Remelli , Pierre Yvernay , Pascal Fua

We propose an interactive GAN-based sketch-to-image translation method that helps novice users create images of simple objects. As the user starts to draw a sketch of a desired object type, the network interactively recommends plausible…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Arnab Ghosh , Richard Zhang , Puneet K. Dokania , Oliver Wang , Alexei A. Efros , Philip H. S. Torr , Eli Shechtman

Streetscapes are an essential component of urban space. Their assessment is presently either limited to morphometric properties of their mass skeleton or requires labor-intensive qualitative evaluations of visually perceived qualities. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Joan Perez , Giovanni Fusco

We introduce LighthouseGS, a practical novel view synthesis framework based on 3D Gaussian Splatting that utilizes simple panorama-style captures from a single mobile device. While convenient, this rotation-dominant motion and narrow…

Graphics · Computer Science 2026-02-12 Seungoh Han , Jaehoon Jang , Hyunsu Kim , Jaeheung Surh , Junhyung Kwak , Hyowon Ha , Kyungdon Joo

Generating realistic building layouts for automatic building design has been studied in both the computer vision and architecture domains. Traditional approaches from the architecture domain, which are based on optimization techniques or…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jiachen Liu , Yuan Xue , Haomiao Ni , Rui Yu , Zihan Zhou , Sharon X. Huang

Urban wind flow modeling and simulation play an important role in air quality assessment and sustainable city planning. A key challenge for modeling and simulation is handling the complex geometries of the urban landscape. Low order models…

Machine Learning · Computer Science 2025-12-18 Francisco Giral , Álvaro Manzano , Ignacio Gómez , Petros Koumoutsakos , Soledad Le Clainche

Current 2D-to-3D conversion methods achieve geometric accuracy but are artistically deficient, failing to replicate the immersive and emotionally resonant experience of professional 3D cinema. This is because geometric reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Ping Chen , Zezhou Chen , Xingpeng Zhang , Yanlin Qian , Huan Hu , Xiang Liu , Zipeng Wang , Xin Wang , Zhaoxiang Liu , Kai Wang , Shiguo Lian

We introduce a novel sketch-to-image tool that aligns with the iterative refinement process of artists. Our tool lets users sketch blocking strokes to coarsely represent the placement and form of objects and detail strokes to refine their…

Graphics · Computer Science 2024-10-28 Vishnu Sarukkai , Lu Yuan , Mia Tang , Maneesh Agrawala , Kayvon Fatahalian

Reconstructing 3D representations from 2D inputs is a fundamental task in computer vision and graphics, serving as a cornerstone for understanding and interacting with the physical world. While traditional methods achieve high fidelity,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Weijie Wang , Qihang Cao , Sensen Gao , Donny Y. Chen , Haofei Xu , Wenjing Bian , Songyou Peng , Tat-Jen Cham , Chuanxia Zheng , Andreas Geiger , Jianfei Cai , Jia-Wang Bian , Bohan Zhuang

Topology optimization (TO) is employed in engineering to optimize structural performance while maximizing material efficiency. However, traditional TO methods incur significant computational and time costs. Although research has leveraged…

Human-Computer Interaction · Computer Science 2026-03-20 Shuyue Feng , Cedric Caremel , Yoshihiro Kawahara