English
Related papers

Related papers: How to Handle Sketch-Abstraction in Sketch-Based I…

200 papers

A sketch based 3D shape retrieval

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Yinjie Lei , Ziqin Zhou , Pingping Zhang , Yulan Guo , Zijun Ma , Lingqiao Liu

A sketch is a distilled form of visual abstraction that conveys core concepts through simplified yet purposeful strokes while omitting extraneous detail. Despite its expressive power, quantifying the efficiency of semantic abstraction in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jiho Park , Sieun Choi , Jaeyoon Seo , Minho Sohn , Yeana Kim , Jihie Kim

Fine-grained hashing has become a powerful solution for rapid and efficient image retrieval, particularly in scenarios requiring high discrimination between visually similar categories. To enable each hash bit to correspond to specific…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Peng Wang , Yong Li , Lin Zhao , Xiu-Shen Wei

Modelling human free-hand sketches has become topical recently, driven by practical applications such as fine-grained sketch based image retrieval (FG-SBIR). Sketches are clearly related to photo edge-maps, but a human free-hand sketch of a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Kaiyue Pang , Da Li , Jifei Song , Yi-Zhe Song , Tao Xiang , Timothy M. Hospedales

In recent years, deep learning has achieved remarkable success in the field of image restoration. However, most convolutional neural network-based methods typically focus on a single scale, neglecting the incorporation of multi-scale…

Image and Video Processing · Electrical Eng. & Systems 2025-02-27 Jiatao Jiang , Zhen Cui , Chunyan Xu , Jian Yang

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

We propose a new method for producing color images from sketches. Current solutions in sketch colorization either necessitate additional user instruction or are restricted to the "paired" translation strategy. We leverage semantic image…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Samet Hicsonmez , Nermin Samet , Emre Akbas , Pinar Duygulu

We introduce SketchYourSeg, a novel framework that establishes freehand sketches as a powerful query modality for subjective image segmentation across entire galleries through a single exemplar sketch. Unlike text prompts that struggle with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Subhadeep Koley , Viswanatha Reddy Gajjala , Aneeshan Sain , Pinaki Nath Chowdhury , Tao Xiang , Ayan Kumar Bhunia , Yi-Zhe Song

Reference-based sketch colorization methods have garnered significant attention for the potential application in animation and digital illustration production. However, most existing methods are trained with image triplets of sketch,…

Graphics · Computer Science 2025-08-26 Dingkun Yan , Xinrui Wang , Zhuoru Li , Suguru Saito , Yusuke Iwasawa , Yutaka Matsuo , Jiaxian Guo

We present SketchGPT, a flexible framework that employs a sequence-to-sequence autoregressive model for sketch generation, and completion, and an interpretation case study for sketch recognition. By mapping complex sketches into simplified…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Adarsh Tiwari , Sanket Biswas , Josep Lladós

Linear sketching and recovery of sparse vectors with randomly constructed sparse matrices has numerous applications in several areas, including compressive sensing, data stream computing, graph sketching, and combinatorial group testing.…

Numerical Analysis · Mathematics 2014-02-07 Bubacarr Bah , Luca Baldassarre , Volkan Cevher

The digitization of engineering drawings is crucial for efficient reuse, distribution, and archiving. Existing computer vision approaches for digitizing engineering drawings typically assume the input drawings have high quality. However, in…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Lvyang Yang , Jiankang Zhang , Huaiqiang Li , Longfei Ren , Chen Yang , Jingyu Wang , Dongyuan Shi

Despite the dominance of convolutional and transformer-based architectures in image-to-image retrieval, these models are prone to biases arising from low-level visual features, such as color. Recognizing the lack of semantic understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Nikolaos Chaidos , Angeliki Dimitriou , Maria Lymperaiou , Giorgos Stamou

The problem of zero-shot sketch-based image retrieval (ZS-SBIR) has achieved increasing attention due to its wide applications, e.g. e-commerce. Despite progress made in this field, previous works suffer from using imbalanced samples of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Hanwen Su , Ge Song , Jiyan Wang , Yuanbo Zhu

Freehand sketching is an inherently sequential process. Yet, most approaches for hand-drawn sketch recognition either ignore this sequential aspect or exploit it in an ad-hoc manner. In our work, we propose a recurrent neural network…

Computer Vision and Pattern Recognition · Computer Science 2016-08-12 Ravi Kiran Sarvadevabhatla , Jogendra Kundu , Babu R. Venkatesh

Deep metric learning applied to various applications has shown promising results in identification, retrieval and recognition. Existing methods often do not consider different granularity in visual similarity. However, in many domain…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Dipu Manandhar , Muhammet Bastan , Kim-Hui Yap

The amount of medical images stored in hospitals is increasing faster than ever; however, utilizing the accumulated medical images has been limited. This is because existing content-based medical image retrieval (CBMIR) systems usually…

We propose and evaluate several triplet CNN architectures for measuring the similarity between sketches and photographs, within the context of the sketch based image retrieval (SBIR) task. In contrast to recent fine-grained SBIR work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-07-30 Tu Bui , Leonardo Ribeiro , Moacir Ponti , John Collomosse

This paper, for the first time, marries large foundation models with human sketch understanding. We demonstrate what this brings -- a paradigm shift in terms of generalised sketch representation learning (e.g., classification). This…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Hmrishav Bandyopadhyay , Pinaki Nath Chowdhury , Aneeshan Sain , Subhadeep Koley , Tao Xiang , Ayan Kumar Bhunia , Yi-Zhe Song

Machine learning practitioners often end up tunneling on low-level technical details like model architectures and performance metrics. Could early model development instead focus on high-level questions of which factors a model ought to pay…

Human-Computer Interaction · Computer Science 2023-03-07 Michelle S. Lam , Zixian Ma , Anne Li , Izequiel Freitas , Dakuo Wang , James A. Landay , Michael S. Bernstein