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Visual illusions traditionally rely on spatial manipulations such as multi-view consistency. In this work, we introduce Progressive Semantic Illusions, a novel vector sketching task where a single sketch undergoes a dramatic semantic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Huai-Hsun Cheng , Siang-Ling Zhang , Yu-Lun Liu

Sketch-and-project is a framework which unifies many known iterative methods for solving linear systems and their variants, as well as further extensions to non-linear optimization problems. It includes popular methods such as randomized…

Optimization and Control · Mathematics 2023-09-20 Michał Dereziński , Elizaveta Rebrova

Humans can envision a realistic photo given a free-hand sketch that is not only spatially imprecise and geometrically distorted but also without colors and visual details. We study unsupervised sketch-to-photo synthesis for the first time,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Runtao Liu , Qian Yu , Stella Yu

Unsupervised object-centric learning aims to decompose scenes into interpretable object entities, termed slots. Slot-based auto-encoders stand out as a prominent method for this task. Within them, crucial aspects include guiding the encoder…

Computer Vision and Pattern Recognition · Computer Science 2024-04-08 Ioannis Kakogeorgiou , Spyros Gidaris , Konstantinos Karantzalos , Nikos Komodakis

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

Humans show high-level of abstraction capabilities in games that require quickly communicating object information. They decompose the message content into multiple parts and communicate them in an interpretable protocol. Toward equipping…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Stephan Alaniz , Massimiliano Mancini , Anjan Dutta , Diego Marcos , Zeynep Akata

Many methods of semantic image segmentation have borrowed the success of open compound domain adaptation. They minimize the style gap between the images of source and target domains, more easily predicting the accurate pseudo annotations…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Tingliang Feng , Hao Shi , Xueyang Liu , Wei Feng , Liang Wan , Yanlin Zhou , Di Lin

This paper describes a method of online refinement of a scene recognition model for robot navigation considering traversable plants, flexible plant parts which a robot can push aside while moving. In scene recognition systems that consider…

Robotics · Computer Science 2022-08-16 Shigemichi Matsuzaki , Hiroaki Masuzawa , Jun Miura

We present an automated learning framework for a robotic sketching agent that is capable of learning stroke-based rendering and motor control simultaneously. We formulate the robotic sketching problem as a deep decoupled hierarchical…

Robotics · Computer Science 2022-08-10 Ganghun Lee , Minji Kim , Minsu Lee , Byoung-Tak Zhang

Creating the photo-realistic version of people sketched portraits is useful to various entertainment purposes. Existing studies only generate portraits in the 2D plane with fixed views, making the results less vivid. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Yasheng Sun , Qianyi Wu , Hang Zhou , Kaisiyuan Wang , Tianshu Hu , Chen-Chieh Liao , Shio Miyafuji , Ziwei Liu , Hideki Koike

This work aims to investigate the problem of 3D modeling using single free-hand sketches, which is one of the most natural ways we humans express ideas. Although sketch-based 3D modeling can drastically make the 3D modeling process more…

Multimedia · Computer Science 2023-12-08 Tianrun Chen , Chenglong Fu , Lanyun Zhu , Papa Mao , Jia Zhang , Ying Zang , Lingyun Sun

Color transfer between images uses the statistics information of image effectively. We present a novel approach of local color transfer between images based on the simple statistics and locally linear embedding. A sketching interface is…

Computer Vision and Pattern Recognition · Computer Science 2016-12-30 Asad Khan , Luo Jiang , Wei Li , Ligang Liu

Image-guided drawing can compensate for the lack of skills but often requires a significant number of repetitive strokes to create textures. Existing automatic stroke synthesis methods are usually limited to predefined styles or require…

Graphics · Computer Science 2021-08-17 Yilan Chen , Kin Chung Kwan , Li-Yi Wei , Hongbo Fu

Scene text detection is still a challenging task, as there may be extremely small or low-resolution strokes, and close or arbitrary-shaped texts. In this paper, StrokeNet is proposed to effectively detect the texts by capturing the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Lei Li , Kai Fan , Chun Yuan

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

In this paper we propose a high-order accurate scheme for image segmentation based on the level-set method. In this approach, the curve evolution is described as the 0-level set of a representation function but we modify the velocity that…

Numerical Analysis · Mathematics 2020-01-08 Maurizio Falcone , Giulio Paolucci , Silvia Tozza

Scene graph generation aims to provide a semantic and structural description of an image, denoting the objects (with nodes) and their relationships (with edges). The best performing works to date are based on exploiting the context…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Wentong Liao , Cuiling Lan , Wenjun Zeng , Michael Ying Yang , Bodo Rosenhahn

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

Sketches offer designers a concise yet expressive medium for early-stage fashion ideation by specifying structure, silhouette, and spatial relationships, while textual descriptions complement sketches to convey material, color, and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Ziyue Liu , Davide Talon , Federico Girella , Zanxi Ruan , Mattia Mondo , Loris Bazzani , Yiming Wang , Marco Cristani

Recent years have witnessed remarkable progress in generative AI, with natural language emerging as the most common conditioning input. As underlying models grow more powerful, researchers are exploring increasingly diverse conditioning…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Ahmed Bourouis , Mikhail Bessmeltsev , Yulia Gryaditskaya