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Recently, most handwritten mathematical expression recognition (HMER) methods adopt the encoder-decoder networks, which directly predict the markup sequences from formula images with the attention mechanism. However, such methods may fail…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Bohan Li , Ye Yuan , Dingkang Liang , Xiao Liu , Zhilong Ji , Jinfeng Bai , Wenyu Liu , Xiang Bai

In this study, we present a novel end-to-end approach based on the encoder-decoder framework with the attention mechanism for online handwritten mathematical expression recognition (OHMER). First, the input two-dimensional ink trajectory…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Jianshu Zhang , Jun Du , Lirong Dai

Handwritten mathematical expression recognition (HMER) is an important research direction in handwriting recognition. The performance of HMER suffers from the two-dimensional structure of mathematical expressions (MEs). To address this…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Zhe Li , Lianwen Jin , Songxuan Lai , Yecheng Zhu

Recognizing handwritten mathematical expressions (HMER) is a challenging task due to the inherent two-dimensional structure, varying symbol scales, and complex spatial relationships among symbols. In this paper, we present a self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Shree Mitra , Ritabrata Chakraborty , Nilkanta Sahu

Handwritten mathematical expression recognition is a challenging problem due to the complicated two-dimensional structures, ambiguous handwriting input and variant scales of handwritten math symbols. To settle this problem, we utilize the…

计算机视觉与模式识别 · 计算机科学 2018-02-01 Jianshu Zhang , Jun Du , Lirong Dai

Scene text recognition has drawn great attentions in the community of computer vision and artificial intelligence due to its challenges and wide applications. State-of-the-art recurrent neural networks (RNN) based models map an input…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Yi-Chao Wu , Fei Yin , Xu-Yao Zhang , Li Liu , Cheng-Lin Liu

The use of artificial intelligence technology in education is growing rapidly, with increasing attention being paid to handwritten mathematical expression recognition (HMER) by researchers. However, many existing methods for HMER may fail…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Ziqi Ye

Handwritten mathematical expression recognition (HMER) is a challenging task that has many potential applications. Recent methods for HMER have achieved outstanding performance with an encoder-decoder architecture. However, these methods…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Ye Yuan , Xiao Liu , Wondimu Dikubab , Hui Liu , Zhilong Ji , Zhongqin Wu , Xiang Bai

Handwritten mathematical expression recognition (HMER) is challenging in image-to-text tasks due to the complex layouts of mathematical expressions and suffers from problems including over-parsing and under-parsing. To solve these, previous…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Yutian Liu , Wenjun Ke , Jianguo Wei

The paper proposes a new text recognition network for scene-text images. Many state-of-the-art methods employ the attention mechanism either in the text encoder or decoder for the text alignment. Although the encoder-based attention yields…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Usman Sajid , Michael Chow , Jin Zhang , Taejoon Kim , Guanghui Wang

Offline Handwritten Mathematical Expression Recognition (HMER) is a major area in the field of mathematical expression recognition. Offline HMER is often viewed as a much harder problem as compared to online HMER due to a lack of temporal…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjwal Thakur , Anuj Sharma

Offline handwritten mathematical expression recognition is often considered much harder than its online counterpart due to the absence of temporal information. In order to take advantage of the more mature methods for online recognition and…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Chungkwong Chan

Quantitative estimation of the acute ischemic infarct is crucial to improve neurological outcomes of the patients with stroke symptoms. Since the density of lesions is subtle and can be confounded by normal physiologic changes, anatomical…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Kongming Liang , Kai Han , Xiuli Li , Xiaoqing Cheng , Yiming Li , Yizhou Wang , Yizhou Yu

In recent years, attention-based scene text recognition methods have been very popular and attracted the interest of many researchers. Attention-based methods can adaptively focus attention on a small area or even single point during…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Lei Chen , Haibo Qin , Shi-Xue Zhang , Chun Yang , Xucheng Yin

Automatic and accurate lesion segmentation is critical for clinically estimating the lesion statuses of stroke diseases and developing appropriate diagnostic systems. Although existing methods have achieved remarkable results, further…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Xiuquan Du , Kunpeng Ma , Yuhui Song

Identifying biomarkers in medical images is vital for a wide range of biotech applications. However, recent Transformer and CNN based methods often struggle with variations in morphology and staining, which limits their feature extraction…

图像与视频处理 · 电气工程与系统科学 2025-04-09 Saad Wazir , Daeyoung Kim

The Handwritten Mathematical Expression Recognition (HMER) task is a critical branch in the field of OCR. Recent studies have demonstrated that incorporating bidirectional context information significantly improves the performance of HMER…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Hanbo Cheng , Chenyu Liu , Pengfei Hu , Zhenrong Zhang , Jiefeng Ma , Jun Du

Handwritten mathematical expression recognition (HMER) has attracted extensive attention recently. However, current methods cannot explicitly study the interactions between different symbols, which may fail when faced similar symbols. To…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Zhuang Liu , Ye Yuan , Zhilong Ji , Jingfeng Bai , Xiang Bai

Whole-Slide Imaging allows for the capturing and digitization of high-resolution images of histological specimen. An automated analysis of such images using deep learning models is therefore of high demand. The transformer architecture has…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Firas Khader , Jakob Nikolas Kather , Tianyu Han , Sven Nebelung , Christiane Kuhl , Johannes Stegmaier , Daniel Truhn

Recently, referring image segmentation has aroused widespread interest. Previous methods perform the multi-modal fusion between language and vision at the decoding side of the network. And, linguistic feature interacts with visual feature…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Guang Feng , Zhiwei Hu , Lihe Zhang , Huchuan Lu
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