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In the process of product design and digital fabrication, the structural analysis of a designed prototype is a fundamental and essential step. However, such a step is usually invisible or inaccessible to designers at the early sketching…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Deng Yu , Chufeng Xiao , Manfred Lau , Hongbo Fu

Deep neural networks are powerful learning models that achieve state-of-the-art performance on many computer vision, speech, and language processing tasks. In this paper, we study a fundamental question that arises when designing deep…

Machine Learning · Statistics 2017-10-24 Shiva Prasad Kasiviswanathan , Nina Narodytska , Hongxia Jin

Various natural language processing tasks are structured prediction problems where outputs are constructed with multiple interdependent decisions. Past work has shown that domain knowledge, framed as constraints over the output space, can…

Computation and Language · Computer Science 2020-06-03 Xingyuan Pan , Maitrey Mehta , Vivek Srikumar

The human visual system is remarkable in learning new visual concepts from just a few examples. This is precisely the goal behind few-shot class incremental learning (FSCIL), where the emphasis is additionally placed on ensuring the model…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Ayan Kumar Bhunia , Viswanatha Reddy Gajjala , Subhadeep Koley , Rohit Kundu , Aneeshan Sain , Tao Xiang , Yi-Zhe Song

While foundation models have revolutionised computer vision, their effectiveness for sketch understanding remains limited by the unique challenges of abstract, sparse visual inputs. Through systematic analysis, we uncover two fundamental…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Subhadeep Koley , Tapas Kumar Dutta , Aneeshan Sain , Pinaki Nath Chowdhury , Ayan Kumar Bhunia , Yi-Zhe Song

Sketching and streaming algorithms are in the forefront of current research directions for cut problems in graphs. In the streaming model, we show that $(1-\epsilon)$-approximation for Max-Cut must use $n^{1-O(\epsilon)}$ space; moreover,…

Data Structures and Algorithms · Computer Science 2026-02-23 Dmitry Kogan , Robert Krauthgamer

We describe a sketch interpretation system that detects and classifies clock numerals created by subjects taking the Clock Drawing Test, a clinical tool widely used to screen for cognitive impairments (e.g., dementia). We describe how it…

Artificial Intelligence · Computer Science 2016-04-27 Yale Song , Randall Davis , Kaichen Ma , Dana L. Penny

Sketch-based face recognition is an interesting task in vision and multimedia research, yet it is quite challenging due to the great difference between face photos and sketches. In this paper, we propose a novel approach for photo-sketch…

Computer Vision and Pattern Recognition · Computer Science 2015-04-14 Liliang Zhang , Liang Lin , Xian Wu , Shengyong Ding , Lei Zhang

Retrieving 3D models from 2D human sketches has received considerable attention in the areas of graphics, image retrieval, and computer vision. Almost always in state of the art approaches a large amount of "best views" are computed for 3D…

Computer Vision and Pattern Recognition · Computer Science 2015-04-15 Fang Wang , Le Kang , Yi Li

In this paper, we introduce a new model for sublinear algorithms called \emph{dynamic sketching}. In this model, the underlying data is partitioned into a large \emph{static} part and a small \emph{dynamic} part and the goal is to compute a…

Data Structures and Algorithms · Computer Science 2015-10-13 Sepehr Assadi , Sanjeev Khanna , Yang Li , Val Tannen

Free-hand sketches are highly illustrative, and have been widely used by humans to depict objects or stories from ancient times to the present. The recent prevalence of touchscreen devices has made sketch creation a much easier task than…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Peng Xu , Timothy M. Hospedales , Qiyue Yin , Yi-Zhe Song , Tao Xiang , Liang Wang

Large language models (LLMs) represented by GPT family have achieved remarkable success. The characteristics of LLMs lie in their ability to accommodate a wide range of tasks through a generative approach. However, the flexibility of their…

Computation and Language · Computer Science 2024-09-06 Xin Jiang , Xiang Li , Wenjia Ma , Xuezhi Fang , Yiqun Yao , Naitong Yu , Xuying Meng , Peng Han , Jing Li , Aixin Sun , Yequan Wang

With the scale of data growing every day, reducing the dimensionality (a.k.a. sketching) of high-dimensional data has emerged as a task of paramount importance. Relevant issues to address in this context include the sheer volume of data…

Machine Learning · Statistics 2017-08-02 Yanning Shen , Morteza Mardani , Georgios B. Giannakis

For linear systems $Ax=b$ we develop iterative algorithms based on a sketch-and-project approach. By using judicious choices for the sketch, such as the history of residuals, we develop weighting strategies that enable short recursive…

Numerical Analysis · Mathematics 2024-07-02 Johannes J Brust , Michael A Saunders

A method of finding and classifying various components and objects in a design diagram, drawing, or planning layout is proposed. The method automatically finds the objects present in a legend table and finds their position, count and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Sourish Sarkar , Pranav Pandey , Sibsambhu Kar

Freehand sketches exhibit unique sparsity and abstraction, necessitating learning pipelines distinct from those designed for images. For sketch learning methods, the central objective is to fully exploit the effective information embedded…

Graphics · Computer Science 2026-03-12 Xi Cheng , Pingfa Feng , Mingyu Fan , Zhichao Liao , Hang Cheng , Long Zeng

Image translation is a computer vision task that involves translating one representation of the scene into another. Various approaches have been proposed and achieved highly desirable results. Nevertheless, its accomplishment requires…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Dichao Hu

This paper follows cognitive studies to investigate a graph representation for sketches, where the information of strokes, i.e., parts of a sketch, are encoded on vertices and information of inter-stroke on edges. The resultant graph…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Sheng Cheng , Yi Ren , Yezhou Yang

Generalized planning is concerned with the computation of plans that solve not one but multiple instances of a planning domain. Recently, it has been shown that generalized plans can be expressed as mappings of feature values into actions,…

Artificial Intelligence · Computer Science 2018-11-20 Blai Bonet , Guillem Francès , Hector Geffner

The goal of Sketch-Based Image Retrieval (SBIR) is using free-hand sketches to retrieve images of the same category from a natural image gallery. However, SBIR requires all test categories to be seen during training, which cannot be…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Jiangtong Li , Zhixin Ling , Li Niu , Liqing Zhang