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Interleaved texts, where posts belonging to different threads occur in one sequence, are a common occurrence, e.g., online chat conversations. To quickly obtain an overview of such texts, existing systems first disentangle the posts by…

Computation and Language · Computer Science 2020-04-10 Sanjeev Kumar Karn , Francine Chen , Yan-Ying Chen , Ulli Waltinger , Hinrich Schütze

Single online handwritten Chinese character recognition~(single OLHCCR) has achieved prominent performance. However, in real application scenarios, users always write multiple Chinese characters to form one complete sentence and the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Yunxin Li , Qian Yang , Qingcai Chen , Lin Ma , Baotian Hu , Xiaolong Wang , Yuxin Ding

Text recognition remains a fundamental and extensively researched topic in computer vision, largely owing to its wide array of commercial applications. The challenging nature of the very problem however dictated a fragmentation of research…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Ayan Kumar Bhunia , Aneeshan Sain , Pinaki Nath Chowdhury , Yi-Zhe Song

Online action detection (OAD) aims to identify ongoing actions from streaming video in real-time, without access to future frames. Since these actions manifest at varying scales of granularity, ranging from coarse to fine, projecting an…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Zhipeng Yang , Ruoyu Wang , Yang Tan , Liping Xie

Recently, object detection models have witnessed notable performance improvements, particularly with transformer-based models. However, new objects frequently appear in the real world, requiring detection models to continually learn without…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Duc Thanh Pham , Hong Dang Nguyen , Nhat Minh Nguyen Quoc , Linh Ngo Van , Sang Dinh Viet , Duc Anh Nguyen

Multi-modal reasoning systems rely on a pre-trained object detector to extract regions of interest from the image. However, this crucial module is typically used as a black box, trained independently of the downstream task and on a fixed…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Aishwarya Kamath , Mannat Singh , Yann LeCun , Gabriel Synnaeve , Ishan Misra , Nicolas Carion

Despite the transition to digital information exchange, many documents, such as invoices, taxes, memos and questionnaires, historical data, and answers to exam questions, still require handwritten inputs. In this regard, there is a need to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Nazgul Toiganbayeva , Mahmoud Kasem , Galymzhan Abdimanap , Kairat Bostanbekov , Abdelrahman Abdallah , Anel Alimova , Daniyar Nurseitov

In this paper, we propose an Omni-perception Pre-Trainer (OPT) for cross-modal understanding and generation, by jointly modeling visual, text and audio resources. OPT is constructed in an encoder-decoder framework, including three…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Jing Liu , Xinxin Zhu , Fei Liu , Longteng Guo , Zijia Zhao , Mingzhen Sun , Weining Wang , Hanqing Lu , Shiyu Zhou , Jiajun Zhang , Jinqiao Wang

Text-rich document understanding (TDU) requires comprehensive analysis of documents containing substantial textual content and complex layouts. While Multimodal Large Language Models (MLLMs) have achieved fast progress in this domain,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Wenhui Liao , Jiapeng Wang , Hongliang Li , Chengyu Wang , Jun Huang , Lianwen Jin

Although many approaches for multi-human pose estimation in videos have shown profound results, they require densely annotated data which entails excessive man labor. Furthermore, there exists occlusion and motion blur that inevitably lead…

Computer Vision and Pattern Recognition · Computer Science 2022-07-29 Kyung-Min Jin , Gun-Hee Lee , Seong-Whan Lee

In this paper, we propose a novel stroke constrained attention network (SCAN) which treats stroke as the basic unit for encoder-decoder based online handwritten mathematical expression recognition (HMER). Unlike previous methods which use…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Jiaming Wang , Jun Du , Jianshu Zhang

Optical Coherence Tomography Angiography (OCTA) is a crucial tool in the clinical screening of retinal diseases, allowing for accurate 3D imaging of blood vessels through non-invasive scanning. However, the hardware-based approach for…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Shuhan Li , Dong Zhang , Xiaomeng Li , Chubin Ou , Lin An , Yanwu Xu , Kwang-Ting Cheng

Multimodal transformer exhibits high capacity and flexibility to align image and text for visual grounding. However, the existing encoder-only grounding framework (e.g., TransVG) suffers from heavy computation due to the self-attention…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Fengyuan Shi , Ruopeng Gao , Weilin Huang , Limin Wang

Recent DEtection TRansformer-based (DETR) models have obtained remarkable performance. Its success cannot be achieved without the re-introduction of multi-scale feature fusion in the encoder. However, the excessively increased tokens in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Feng Li , Ailing Zeng , Shilong Liu , Hao Zhang , Hongyang Li , Lei Zhang , Lionel M. Ni

Detection Transformers (DETR) are renowned object detection pipelines, however computationally efficient multiscale detection using DETR is still challenging. In this paper, we propose a Cross-Resolution Encoding-Decoding (CRED) mechanism…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Ashish Kumar , Jaesik Park

Multi-Object Tracking (MOT) is a critical problem in computer vision, essential for understanding how objects move and interact in videos. This field faces significant challenges such as occlusions and complex environmental dynamics,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Luiz C. S. de Araujo , Carlos M. S. Figueiredo

The recently proposed Detection Transformer (DETR) model successfully applies Transformer to objects detection and achieves comparable performance with two-stage object detection frameworks, such as Faster-RCNN. However, DETR suffers from…

Computer Vision and Pattern Recognition · Computer Science 2021-08-21 Peng Gao , Minghang Zheng , Xiaogang Wang , Jifeng Dai , Hongsheng Li

A key human ability is to decompose a scene into distinct objects and use their relationships to understand the environment. Object-centric learning aims to mimic this process in an unsupervised manner. Recently, the slot attention-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Pinzhuo Tian , Shengjie Yang , Hang Yu , Alex C. Kot

Click-Through Rate (CTR) prediction is a pivotal task in product and content recommendation, where learning effective feature embeddings is of great significance. However, traditional methods typically learn fixed feature representations…

Information Retrieval · Computer Science 2023-09-06 Chen Zhu , Liang Du , Hong Chen , Shuang Zhao , Zixun Sun , Xin Wang , Wenwu Zhu

Until recently, the number of public real-world text images was insufficient for training scene text recognizers. Therefore, most modern training methods rely on synthetic data and operate in a fully supervised manner. Nevertheless, the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Aviad Aberdam , Roy Ganz , Shai Mazor , Ron Litman