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The pursuit of high performance on public benchmarks has been the driving force for research in scene text recognition, and notable progress has been achieved. However, a close investigation reveals a startling fact that the…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Zhaoyi Wan , Jielei Zhang , Liang Zhang , Jiebo Luo , Cong Yao

In this work we study indoor scene object placement. Given a 3D indoor scene and an object, the task is to predict placement locations within the scene. Empirical observations of data-driven approaches to the problem show their tendency to…

图形学 · 计算机科学 2026-05-05 Adrian Chang , Kai Wang , Yuanbo Li , Manolis Savva , Angel X. Chang , Daniel Ritchie

In this paper, we propose a novel method called Rotational Region CNN (R2CNN) for detecting arbitrary-oriented texts in natural scene images. The framework is based on Faster R-CNN [1] architecture. First, we use the Region Proposal Network…

计算机视觉与模式识别 · 计算机科学 2017-07-03 Yingying Jiang , Xiangyu Zhu , Xiaobing Wang , Shuli Yang , Wei Li , Hua Wang , Pei Fu , Zhenbo Luo

We explore the task of language-guided video segmentation (LVS). Previous algorithms mostly adopt 3D CNNs to learn video representation, struggling to capture long-term context and easily suffering from visual-linguistic misalignment. In…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Chen Liang , Wenguan Wang , Tianfei Zhou , Jiaxu Miao , Yawei Luo , Yi Yang

Video text spotting is still an important research topic due to its various real-applications. Previous approaches usually fall into the four-staged pipeline: text detection in individual images, framewisely recognizing localized text…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Zhanzhan Cheng , Jing Lu , Yi Niu , Shiliang Pu , Fei Wu , Shuigeng Zhou

Scene text recognition (STR) is very challenging due to the diversity of text instances and the complexity of scenes. The community has paid increasing attention to boost the performance by improving the pre-processing image module, like…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Hui Zhang , Quanming Yao , Mingkun Yang , Yongchao Xu , Xiang Bai

Scene text detection, an important step of scene text reading systems, has witnessed rapid development with convolutional neural networks. Nonetheless, two main challenges still exist and hamper its deployment to real-world applications.…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Wenhai Wang , Enze Xie , Xiaoge Song , Yuhang Zang , Wenjia Wang , Tong Lu , Gang Yu , Chunhua Shen

Scene text image super-resolution has significantly improved the accuracy of scene text recognition. However, many existing methods emphasize performance over efficiency and ignore the practical need for lightweight solutions in deployment…

计算机视觉与模式识别 · 计算机科学 2024-03-21 LeoWu TomyEnrique , Xiangcheng Du , Kangliang Liu , Han Yuan , Zhao Zhou , Cheng Jin

Human visual scene understanding is so remarkable that we are able to recognize a revisited place when entering it from the opposite direction it was first visited, even in the presence of extreme variations in appearance. This capability…

机器人学 · 计算机科学 2018-05-29 Sourav Garg , Niko Suenderhauf , Michael Milford

Loop detection plays a key role in visual Simultaneous Localization and Mapping (SLAM) by correcting the accumulated pose drift. In indoor scenarios, the richly distributed semantic landmarks are view-point invariant and hold strong…

计算机视觉与模式识别 · 计算机科学 2023-05-25 Chuhao Liu , Shaojie Shen

To achieve high coverage of target boxes, a normal strategy of conventional one-stage anchor-based detectors is to utilize multiple priors at each spatial position, especially in scene text detection tasks. In this work, we present a simple…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Linjie Deng , Yanxiang Gong , Xinchen Lu , Yi Lin , Zheng Ma , Mei Xie

Automatic identification of script is an essential component of a multilingual OCR engine. In this paper, we present an efficient, lightweight, real-time and on-device spatial attention based CNN-LSTM network for scene text script…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Rutika Moharir , Arun D Prabhu , Sukumar Moharana , Gopi Ramena , Rachit S Munjal

Scene Text Recognition (STR) models have achieved high performance in recent years on benchmark datasets where text images are presented with minimal noise. Traditional STR recognition pipelines take a cropped image as sole input and…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Joshua Cesare Placidi , Yishu Miao , Zixu Wang , Lucia Specia

Deep learning-based image enhancement methods show significant advantages in reducing noise and improving visibility in low-light conditions. These methods are typically based on one-to-one mapping, where the model learns a direct…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Miao Zhang , Jun Yin , Pengyu Zeng , Yiqing Shen , Shuai Lu , Xueqian Wang

In this paper we present a word spotting system in text lines for offline Indic scripts such as Bangla (Bengali) and Devanagari. Recently, it was shown that zone-wise recognition method improves the word recognition performance than…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Ayan Kumar Bhunia , Partha Pratim Roy , Umapada Pal

This work presents a comparison of machine learning algorithms that are implemented to segment the characters of text presented as an image. The algorithms are designed to work on degraded documents with text that is not aligned in an…

计算机视觉与模式识别 · 计算机科学 2021-07-29 P Preethi , Hrishikesh Viswanath

Scene text detection methods based on neural networks have emerged recently and have shown promising results. Previous methods trained with rigid word-level bounding boxes exhibit limitations in representing the text region in an arbitrary…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Youngmin Baek , Bado Lee , Dongyoon Han , Sangdoo Yun , Hwalsuk Lee

Inspired by deep convolution segmentation algorithms, scene text detectors break the performance ceiling of datasets steadily. However, these methods often encounter threshold selection bottlenecks and have poor performance on text…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Guiqin Zhao

Scene graph generation (SGG) is a sophisticated task that suffers from both complex visual features and dataset long-tail problem. Recently, various unbiased strategies have been proposed by designing novel loss functions and data balancing…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Xiaoguang Chang , Teng Wang , Shaowei Cai , Changyin Sun

Recently, developing an automatic reading system for analog measuring instruments has gained increased attention, as it enables the collection of numerous state of equipment. Nonetheless, two major obstacles still obstruct its deployment to…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yan Shu , Shaohui Liu , Honglei Xu , Feng Jiang