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Related papers: Sketch2CAD: Sequential CAD Modeling by Sketching i…

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Existing text-based 3D generation methods generate attractive results but lack detailed geometry control. Sketches, known for their conciseness and expressiveness, have contributed to intuitive 3D modeling but are confined to producing…

Graphics · Computer Science 2024-05-15 Feng-Lin Liu , Hongbo Fu , Yu-Kun Lai , Lin Gao

Dense indoor scene modeling from 2D images has been bottlenecked due to the absence of depth information and cluttered occlusions. We present an automatic indoor scene modeling approach using deep features from neural networks. Given a…

Computer Vision and Pattern Recognition · Computer Science 2020-02-25 Yinyu Nie , Shihui Guo , Jian Chang , Xiaoguang Han , Jiahui Huang , Shi-Min Hu , Jian Jun Zhang

Proliferation of touch-based devices has made sketch-based image retrieval practical. While many methods exist for sketch-based object detection/image retrieval on small datasets, relatively less work has been done on large (web)-scale…

Computer Vision and Pattern Recognition · Computer Science 2015-11-03 Sarthak Parui , Anurag Mittal

Reconstructing a 3D shape based on a single sketch image is challenging due to the large domain gap between a sparse, irregular sketch and a regular, dense 3D shape. Existing works try to employ the global feature extracted from sketch to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Chenjian Gao , Qian Yu , Lu Sheng , Yi-Zhe Song , Dong Xu

Data sketches are approximate succinct summaries of long streams. They are widely used for processing massive amounts of data and answering statistical queries about it in real-time. Existing libraries producing sketches are very fast, but…

Data Structures and Algorithms · Computer Science 2019-12-06 Arik Rinberg , Alexander Spiegelman , Edward Bortnikov , Eshcar Hillel , Idit Keidar , Lee Rhodes , Hadar Serviansky

Text-based retrieval of Computer-Aided Design (CAD) models is a critical yet underexplored task for the reuse of legacy industrial designs. Existing CAD repositories are typically searched using filenames or directories, which limits the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Honghu Pan , Zibo Du , Daxiang Liu , Chengliang Liu , Xiaoling Luo

Sketch segmentation involves grouping pixels within a sketch that belong to the same object or instance. It serves as a valuable tool for sketch editing tasks, such as moving, scaling, or removing specific components. While image…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Mia Tang , Yael Vinker , Chuan Yan , Lvmin Zhang , Maneesh Agrawala

Exploring contextual information in the local region is important for shape understanding and analysis. Existing studies often employ hand-crafted or explicit ways to encode contextual information of local regions. However, it is hard to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Xinhai Liu , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

Recent video editing methods achieve attractive results in style transfer or appearance modification. However, editing the structural content of 3D scenes in videos remains challenging, particularly when dealing with significant viewpoint…

Graphics · Computer Science 2025-08-20 Feng-Lin Liu , Shi-Yang Li , Yan-Pei Cao , Hongbo Fu , Lin Gao

In this paper, we present an easy to use sketch-based interface to extract geometries and generate affordance files from 3D point clouds for robot-object interaction tasks. Using our system, even novice users can perform robot task planning…

Human-Computer Interaction · Computer Science 2020-03-24 Sina Masnadi , Joseph J. LaViola , Xiaofan Zhu , Karthik Desingh , Odest Chadwicke Jenkins

Text-to-image models can generate visually appealing images from text descriptions. Efforts have been devoted to improving model controls with prompt tuning and spatial conditioning. However, our formative study highlights the challenges…

Human-Computer Interaction · Computer Science 2025-02-12 Haichuan Lin , Yilin Ye , Jiazhi Xia , Wei Zeng

Recovering CAD models from point clouds requires reconstructing their topology and sketch-based extrusion primitives. A dominant paradigm for representing sketches involves implicit neural representations such as Signed Distance Fields…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Xinzhu Ma , Cheng Wang , Chen Tang , Bin Wang , Shixiang Tang , Yuan Meng , Yunhong Wang , Di Huang

To see is to sketch -- free-hand sketching naturally builds ties between human and machine vision. In this paper, we present a novel approach for translating an object photo to a sketch, mimicking the human sketching process. This is an…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Jifei Song , Kaiyue Pang , Yi-Zhe Song , Tao Xiang , Timothy Hospedales

Considering the existence of very large amount of available data repositories and reach to the very advanced system of hardware, systems meant for facial identification ave evolved enormously over the past few decades. Sketch recognition is…

Machine Learning · Computer Science 2019-11-20 Sukhada Chokkadi , Sannidhan M S , Sudeepa K B , Abhir Bhandary

We present Scan2CAD, a novel data-driven method that learns to align clean 3D CAD models from a shape database to the noisy and incomplete geometry of a commodity RGB-D scan. For a 3D reconstruction of an indoor scene, our method takes as…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Armen Avetisyan , Manuel Dahnert , Angela Dai , Manolis Savva , Angel X. Chang , Matthias Nießner

Doodling is a useful and common intelligent skill that people can learn and master. In this work, we propose a two-stage learning framework to teach a machine to doodle in a simulated painting environment via Stroke Demonstration and deep…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Tao Zhou , Chen Fang , Zhaowen Wang , Jimei Yang , Byungmoon Kim , Zhili Chen , Jonathan Brandt , Demetri Terzopoulos

Face sketch to digital image matching is an important challenge of face recognition that involves matching across different domains. Current research efforts have primarily focused on extracting domain invariant representations or learning…

Computer Vision and Pattern Recognition · Computer Science 2017-10-10 Shruti Nagpal , Maneet Singh , Richa Singh , Mayank Vatsa , Afzel Noore , Angshul Majumdar

Text-to-image diffusion models are gradually introduced into computer graphics, recently enabling the development of Text-to-3D pipelines in an open domain. However, for interactive editing purposes, local manipulations of content through a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Aryan Mikaeili , Or Perel , Mehdi Safaee , Daniel Cohen-Or , Ali Mahdavi-Amiri

We contribute the first large-scale dataset of scene sketches, SketchyScene, with the goal of advancing research on sketch understanding at both the object and scene level. The dataset is created through a novel and carefully designed…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Changqing Zou , Qian Yu , Ruofei Du , Haoran Mo , Yi-Zhe Song , Tao Xiang , Chengying Gao , Baoquan Chen , Hao Zhang

Sketches are commonly used in computer systems and network monitoring tools to provide efficient query executions while maintaining a compact data representation. Switches and routers maintain sketches to track statistical characteristics…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-11 Diana Cohen , Roy Friedman , Rana Shahout