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Keypoint detection, integral to modern machine perception, faces challenges in few-shot learning, particularly when source data from the same distribution as the query is unavailable. This gap is addressed by leveraging sketches, a popular…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Subhajit Maity , Ayan Kumar Bhunia , Subhadeep Koley , Pinaki Nath Chowdhury , Aneeshan Sain , Yi-Zhe Song

In the generalized zero-shot learning, synthesizing unseen data with generative models has been the most popular method to address the imbalance of training data between seen and unseen classes. However, this method requires that the unseen…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Xinsheng Wang , Shanmin Pang , Jihua Zhu

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

Sketch drawings capture the salient information of visual concepts. Previous work has shown that neural networks are capable of producing sketches of natural objects drawn from a small number of classes. While earlier approaches focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Alexander Wang , Mengye Ren , Richard S. Zemel

Effectively and efficiently retrieving images from remote sensing databases is a critical challenge in the realm of remote sensing big data. Utilizing hand-drawn sketches as retrieval inputs offers intuitive and user-friendly advantages,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Bo Yang , Chen Wang , Xiaoshuang Ma , Beiping Song , Zhuang Liu , Fangde Sun

We investigate the problem of zero-shot semantic image painting. Instead of painting modifications into an image using only concrete colors or a finite set of semantic concepts, we ask how to create semantic paint based on open full-text…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Alex Andonian , Sabrina Osmany , Audrey Cui , YeonHwan Park , Ali Jahanian , Antonio Torralba , David Bau

Sketch recognition algorithms are engineered and evaluated using publicly available datasets contributed by the sketch recognition community over the years. While existing datasets contain sketches of a limited set of generic objects, each…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Kemal Tugrul Yesilbek , T. Metin Sezgin

Sketches are highly expressive, inherently capturing subjective and fine-grained visual cues. The exploration of such innate properties of human sketches has, however, been limited to that of image retrieval. In this paper, for the first…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Pinaki Nath Chowdhury , Ayan Kumar Bhunia , Aneeshan Sain , Subhadeep Koley , Tao Xiang , Yi-Zhe Song

Semantic segmentation models are limited in their ability to scale to large numbers of object classes. In this paper, we introduce the new task of zero-shot semantic segmentation: learning pixel-wise classifiers for never-seen object…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Maxime Bucher , Tuan-Hung Vu , Matthieu Cord , Patrick Pérez

Synthesizing realistic images from human drawn sketches is a challenging problem in computer graphics and vision. Existing approaches either need exact edge maps, or rely on retrieval of existing photographs. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Wengling Chen , James Hays

Recently, generated images could reach very high quality, even human eyes could not tell them apart from real images. Although there are already some methods for detecting generated images in current forensic community, most of these…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Xinsheng Xuan , Bo Peng , Wei Wang , Jing Dong

Recent studies show that large-scale sketch-based image retrieval (SBIR) can be efficiently tackled by cross-modal binary representation learning methods, where Hamming distance matching significantly speeds up the process of similarity…

Computer Vision and Pattern Recognition · Computer Science 2018-03-07 Yuming Shen , Li Liu , Fumin Shen , Ling Shao

Zero-shot learning has been actively studied for image classification task to relieve the burden of annotating image labels. Interestingly, semantic segmentation task requires more labor-intensive pixel-wise annotation, but zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2022-01-24 Zhangxuan Gu , Siyuan Zhou , Li Niu , Zihan Zhao , Liqing Zhang

Conceptualizing away the sketch processing details in a user interface will enable general users and domain experts to create more complex sketches. There are many domains for which sketch recognition systems are being developed. But they…

Computer Vision and Pattern Recognition · Computer Science 2012-11-13 Vasudha Vashisht , Tanupriya Choudhury , T. V. Prasad

In a traditional setting, classifiers are trained to approximate a target function $f:X \rightarrow Y$ where at least a sample for each $y \in Y$ is presented to the training algorithm. In a zero-shot setting we have a subset of the labels…

Machine Learning · Computer Science 2020-08-20 Gaurav Singh , Fabrizio Silvestri , John Shawe-Taylor

Recent deep generative models allow real-time generation of hair images from sketch inputs. Existing solutions often require a user-provided binary mask to specify a target hair shape. This not only costs users extra labor but also fails to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-22 Chufeng Xiao , Deng Yu , Xiaoguang Han , Youyi Zheng , Hongbo Fu

Zero-shot learning methods typically assume that the new, unseen classes encountered during deployment come from the same distribution as the the classes in the training set. However, real-world scenarios often involve class distribution…

Machine Learning · Computer Science 2024-12-11 Yuli Slavutsky , Yuval Benjamini

In this paper, we tackle for the first time, the problem of self-supervised representation learning for free-hand sketches. This importantly addresses a common problem faced by the sketch community -- that annotated supervisory data are…

Computer Vision and Pattern Recognition · Computer Science 2020-02-04 Peng Xu , Zeyu Song , Qiyue Yin , Yi-Zhe Song , Liang Wang

Conventional approaches to Sketch-Based Image Retrieval (SBIR) assume that the data of all the classes are available during training. The assumption may not always be practical since the data of a few classes may be unavailable, or the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Anubha Pandey , Ashish Mishra , Vinay Kumar Verma , Anurag Mittal , Hema A. Murthy

The performance of generative zero-shot methods mainly depends on the quality of generated features and how well the model facilitates knowledge transfer between visual and semantic domains. The quality of generated features is a direct…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Shivam Chandhok , Vineeth N Balasubramanian