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Related papers: Towards Practicality of Sketch-Based Visual Unders…

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Computational notebooks have become increasingly popular for exploratory data analysis due to their ability to support data exploration and explanation within a single document. Effective documentation for explaining chart findings during…

Human-Computer Interaction · Computer Science 2023-07-18 Yanna Lin , Haotian Li , Leni Yang , Aoyu Wu , Huamin Qu

Facial sketches drawn by artists are widely used for visual identification applications and mostly by law enforcement agencies, but the quality of these sketches depend on the ability of the artist to clearly replicate all the key facial…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Uche Osahor , Hadi Kazemi , Ali Dabouei , Nasser Nasrabadi

Computer-aided design (CAD) is the most widely used modeling approach for technical design. The typical starting point in these designs is 2D sketches which can later be extruded and combined to obtain complex three-dimensional assemblies.…

Machine Learning · Computer Science 2021-06-08 Wamiq Reyaz Para , Shariq Farooq Bhat , Paul Guerrero , Tom Kelly , Niloy Mitra , Leonidas Guibas , Peter Wonka

The scarcity of free-hand sketch presents a challenging problem. Despite the emergence of some large-scale sketch datasets, these datasets primarily consist of sketches at the single-object level. There continues to be a lack of large-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Zhenbei Wu , Qiang Wang , Jie Yang

With the involvement of artificial intelligence (AI), sketches can be automatically generated under certain topics. Even though breakthroughs have been made in previous studies in this area, a relatively high proportion of the generated…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yunkui Pang , Zhiqing Pan , Ruiyang Sun , Shuchong Wang

Sketches are a medium to convey a visual scene from an individual's creative perspective. The addition of color substantially enhances the overall expressivity of a sketch. This paper proposes two methods to mimic human-drawn colored…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 V Manushree , Sameer Saxena , Parna Chowdhury , Manisimha Varma , Harsh Rathod , Ankita Ghosh , Sahil Khose

Human free-hand sketches have been studied in various contexts including sketch recognition, synthesis and fine-grained sketch-based image retrieval (FG-SBIR). A fundamental challenge for sketch analysis is to deal with drastically…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Umar Riaz Muhammad , Yongxin Yang , Yi-Zhe Song , Tao Xiang , Timothy M. Hospedales

In this paper, we explore the task of generating photo-realistic face images from hand-drawn sketches. Existing image-to-image translation methods require a large-scale dataset of paired sketches and images for supervision. They typically…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Yuhang Li , Xuejin Chen , Binxin Yang , Zihan Chen , Zhihua Cheng , Zheng-Jun Zha

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

Sketching is an intuitive and effective way for content creation. While significant progress has been made for photorealistic image generation by using generative adversarial networks, it remains challenging to take a fine-grained control…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Zhihua Cheng , Xuejin Chen

Humans have long relied on visual aids like sketches and diagrams to support reasoning and problem-solving. Visual tools, like auxiliary lines in geometry or graphs in calculus, are essential for understanding complex ideas. However, many…

Human-Computer Interaction · Computer Science 2025-04-03 Steven-Shine Chen , Jimin Lee , Paul Pu Liang

Head shapes play an important role in 3D character design. In this work, we propose SimpModeling, a novel sketch-based system for helping users, especially amateur users, easily model 3D animalmorphic heads - a prevalent kind of heads in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Zhongjin Luo , Jie Zhou , Heming Zhu , Dong Du , Xiaoguang Han , Hongbo Fu

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

In this paper, we explore the unique modality of sketch for explainability, emphasising the profound impact of human strokes compared to conventional pixel-oriented studies. Beyond explanations of network behavior, we discern the genuine…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Hmrishav Bandyopadhyay , Pinaki Nath Chowdhury , Ayan Kumar Bhunia , Aneeshan Sain , Tao Xiang , Yi-Zhe Song

We propose SketchINR, to advance the representation of vector sketches with implicit neural models. A variable length vector sketch is compressed into a latent space of fixed dimension that implicitly encodes the underlying shape as a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Hmrishav Bandyopadhyay , Ayan Kumar Bhunia , Pinaki Nath Chowdhury , Aneeshan Sain , Tao Xiang , Timothy Hospedales , Yi-Zhe Song

Students of visualization come to formal education with an abundance of personal experience. However, one's exposure to graphics through media and education may not be sufficiently diverse to appreciate the nuance and complexity required to…

Human-Computer Interaction · Computer Science 2020-10-09 Amy Rae Fox , Taylor Jackson Scott

Understanding a visual scene incorporates objects, relationships, and context. Traditional methods working on an image mostly focus on object detection and fail to capture the relationship between the objects. Relationships can give rich…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Himangi Mittal , Ajith Abraham , Anuja Arora

In this paper, we delve into the intricate dynamics of Fine-Grained Sketch-Based Image Retrieval (FG-SBIR) by addressing a critical yet overlooked aspect -- the choice of viewpoint during sketch creation. Unlike photo systems that…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Aneeshan Sain , Pinaki Nath Chowdhury , Subhadeep Koley , Ayan Kumar Bhunia , Yi-Zhe Song

Finding point-wise correspondences between images is a long-standing problem in image analysis. This becomes particularly challenging for sketch images, due to the varying nature of human drawing style, projection distortions and viewport…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Pablo Navarro , José Ignacio Orlando , Claudio Delrieux , Emmanuel Iarussi

Scientific sketches (e.g., models) offer a powerful lens into students' conceptual understanding, yet AI-powered automated assessment of such free-form, visually diverse artifacts remains a critical challenge. Existing solutions often treat…

Human-Computer Interaction · Computer Science 2025-10-21 Ehsan Latif , Zirak Khan , Xiaoming Zhai