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200 papers

Sketch is an important media for human to communicate ideas, which reflects the superiority of human intelligence. Studies on sketch can be roughly summarized into recognition and generation. Existing models on image recognition failed to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Yajing Chen , Shikui Tu , Yuqi Yi , Lei Xu

This paper proposes a shape anchor guided learning strategy (AncLearn) for robust holistic indoor scene understanding. We observe that the search space constructed by current methods for proposal feature grouping and instance point sampling…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Mingyue Dong , Linxi Huan , Hanjiang Xiong , Shuhan Shen , Xianwei Zheng

In this work we propose a new paradigm for designing efficient deep unrolling networks using operator sketching. The deep unrolling networks are currently the state-of-the-art solutions for imaging inverse problems. However, for…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Junqi Tang , Subhadip Mukherjee , Carola-Bibiane Schönlieb

Zero-shot learning (ZSL) enables solving a task without the need to see its examples. In this paper, we propose two ZSL frameworks that learn to synthesize parameters for novel unseen classes. First, we propose to cast the problem of ZSL as…

Computer Vision and Pattern Recognition · Computer Science 2019-07-19 Soravit Changpinyo , Wei-Lun Chao , Boqing Gong , Fei Sha

This paper proposes a novel approach for Sketch-Based Image Retrieval (SBIR), for which the key is to bridge the gap between sketches and photos in terms of the data representation. Inspired by channel-wise attention explored in recent…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Peng Lu , Gao Huang , Hangyu Lin , Wenming Yang , Guodong Guo , Yanwei Fu

This paper tackles the problem of zero-shot sign language recognition (ZSSLR), where the goal is to leverage models learned over the seen sign classes to recognize the instances of unseen sign classes. In this context, readily available…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Yunus Can Bilge , Ramazan Gokberk Cinbis , Nazli Ikizler-Cinbis

Different from Composed Image Retrieval task that requires expensive labels for training task-specific models, Zero-Shot Composed Image Retrieval (ZS-CIR) involves diverse tasks with a broad range of visual content manipulation intent that…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Yuanmin Tang , Jing Yu , Keke Gai , Jiamin Zhuang , Gang Xiong , Yue Hu , Qi Wu

Imagining a colored realistic image from an arbitrarily drawn sketch is one of the human capabilities that we eager machines to mimic. Unlike previous methods that either requires the sketch-image pairs or utilize low-quantity detected…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Bingchen Liu , Yizhe Zhu , Kunpeng Song , Ahmed Elgammal

Sketches reflect the drawing style of individual artists; therefore, it is important to consider their unique styles when extracting sketches from color images for various applications. Unfortunately, most existing sketch extraction methods…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Chang Wook Seo , Amirsaman Ashtari , Junyong Noh

Unsupervised medical anomaly detection is severely limited by the scarcity of normal training samples. Existing methods typically train dedicated models for each dataset or disease, requiring hundreds of normal images per task and lacking…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Ning Zhu

Sketch-based 3D shape retrieval is a challenging task due to the large domain discrepancy between sketches and 3D shapes. Since existing methods are trained and evaluated on the same categories, they cannot effectively recognize the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Rui Xu , Zongyan Han , Le Hui , Jianjun Qian , Jin Xie

Safety alignment in large language models is remarkably shallow: it is concentrated in the first few output tokens and reversible by fine-tuning on as few as 100 adversarial examples. This fragility becomes critical in real-world…

Machine Learning · Computer Science 2026-04-21 Dongxin Guo , Jikun Wu , Siu Ming Yiu

Composed Image Retrieval (CIR) is a challenging multimodal task that retrieves a target image based on a reference image and accompanying modification text. Due to the high cost of annotating CIR triplet datasets, zero-shot (ZS) CIR has…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yabing Wang , Zhuotao Tian , Qingpei Guo , Zheng Qin , Sanping Zhou , Ming Yang , Le Wang

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

Sketch-based query formulation is very common in image and video retrieval as these techniques often complement textual retrieval methods that are based on either manual or machine generated annotations. In this paper, we present a…

Multimedia · Computer Science 2019-09-30 Luca Rossetto , Ralph Gasser , Heiko Schuldt

Zero-Shot Learning (ZSL) is an emerging research that aims to solve the classification problems with very few training data. The present works on ZSL mainly focus on the mapping of learning semantic space to visual space. It encounters many…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Zeng Ting , Xiang Hongxin , Xie Cheng , Yang Yun , Liu Qing

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

Building a semantic parser quickly in a new domain is a fundamental challenge for conversational interfaces, as current semantic parsers require expensive supervision and lack the ability to generalize to new domains. In this paper, we…

Computation and Language · Computer Science 2018-09-25 Jonathan Herzig , Jonathan Berant

Existing concept erasure methods for text-to-image diffusion models commonly rely on fixed anchor strategies, which often lead to critical issues such as concept re-emergence and erosion. To address this, we conduct causal tracing to reveal…

Artificial Intelligence · Computer Science 2025-10-21 Tong Zhang , Ru Zhang , Jianyi Liu , Zhen Yang , Gongshen Liu

Sketches are commonly used in computer systems and network monitoring tools to provide efficient query executions while maintaining a compact data representation. Switches and routers maintain sketches to track statistical characteristics…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-11 Diana Cohen , Roy Friedman , Rana Shahout