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Providing pixel-level supervisions for scene text segmentation is inherently difficult and costly, so that only few small datasets are available for this task. To face the scarcity of training data, previous approaches based on…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Simone Bonechi , Paolo Andreini , Monica Bianchini , Franco Scarselli

State-of-the-art learning based boundary detection methods require extensive training data. Since labelling object boundaries is one of the most expensive types of annotations, there is a need to relax the requirement to carefully annotate…

计算机视觉与模式识别 · 计算机科学 2015-11-25 Anna Khoreva , Rodrigo Benenson , Mohamed Omran , Matthias Hein , Bernt Schiele

Weakly supervised segmentation requires assigning a label to every pixel based on training instances with partial annotations such as image-level tags, object bounding boxes, labeled points and scribbles. This task is challenging, as coarse…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Tsung-Wei Ke , Jyh-Jing Hwang , Stella X. Yu

Extremely low-light text images are common in natural scenes, making scene text detection and recognition challenging. One solution is to enhance these images using low-light image enhancement methods before text extraction. However,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Che-Tsung Lin , Chun Chet Ng , Zhi Qin Tan , Wan Jun Nah , Xinyu Wang , Jie Long Kew , Pohao Hsu , Shang Hong Lai , Chee Seng Chan , Christopher Zach

Recent deep learning models have demonstrated strong capabilities for classifying text and non-text components in natural images. They extract a high-level feature computed globally from a whole image component (patch), where the cluttered…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Tong He , Weilin Huang , Yu Qiao , Jian Yao

This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

Point annotations are considerably more time-efficient than bounding box annotations. However, how to use cheap point annotations to boost the performance of semi-supervised object detection remains largely unsolved. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Yongtao Ge , Qiang Zhou , Xinlong Wang , Zhibin Wang , Hao Li , Chunhua Shen

Recently, video scene text detection has received increasing attention due to its comprehensive applications. However, the lack of annotated scene text video datasets has become one of the most important problems, which hinders the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Jiajun Zhu , Xiufeng Jiang , Zhiwei Jia , Shugong Xu , Shan Cao

Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc.However, existing public datasets are of poor quality of pixel-level labels that have been shown to be…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Yibo Wang , Yunhu Ye , Yuanpeng Mao , Yanwei Yu , Yuanping Song

Grounding textual phrases in visual content is a meaningful yet challenging problem with various potential applications such as image-text inference or text-driven multimedia interaction. Most of the current existing methods adopt the…

计算机视觉与模式识别 · 计算机科学 2018-05-03 Zhiyuan Fang , Shu Kong , Tianshu Yu , Yezhou Yang

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Text detection in the wild is a well-known problem that becomes more challenging while handling multiple scripts. In the last decade, some scripts have gained the attention of the research community and achieved good detection performance.…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Prateek Keserwani , Taveena Lotey , Rohit Keshari , Partha Pratim Roy

Existing Camouflaged Object Detection (COD) methods rely heavily on large-scale pixel-annotated training sets, which are both time-consuming and labor-intensive. Although weakly supervised methods offer higher annotation efficiency, their…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Jin Zhang , Ruiheng Zhang , Yanjiao Shi , Zhe Cao , Nian Liu , Fahad Shahbaz Khan

Small sample instance segmentation is a very challenging task, and many existing methods follow the training strategy of meta-learning which pre-train models on support set and fine-tune on query set. The pre-training phase, which is highly…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Ruting Chi , Zhiyi Huang , Yuexing Han

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

Pre-trained vision-language models learn massive data to model unified representations of images and natural languages, which can be widely applied to downstream machine learning tasks. In addition to zero-shot inference, in order to better…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Qian-Wei Wang , Yuqiu Xie , Letian Zhang , Zimo Liu , Shu-Tao Xia

Deep neural networks are gaining increasing popularity for the classic text classification task, due to their strong expressive power and less requirement for feature engineering. Despite such attractiveness, neural text classification…

信息检索 · 计算机科学 2018-09-13 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Semantic segmentation tasks based on weakly supervised condition have been put forward to achieve a lightweight labeling process. For simple images that only include a few categories, researches based on image-level annotations have…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Xi Li , Huimin Ma , Sheng Yi , Yanxian Chen

Existing camouflaged object detection (COD) methods rely heavily on large-scale datasets with pixel-wise annotations. However, due to the ambiguous boundary, annotating camouflage objects pixel-wisely is very time-consuming and…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Ruozhen He , Qihua Dong , Jiaying Lin , Rynson W. H. Lau