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Multiple-choice multiple-response (MCMR) items (i.e., multiple-choice questions for which more than one response may be selected) can be a valuable tool for assessment. Like traditional multiple-choice single-response questions, they are…

Multiple-choice questions with item-writing flaws can negatively impact student learning and skew analytics. These flaws are often present in student-generated questions, making it difficult to assess their quality and suitability for…

计算与语言 · 计算机科学 2023-07-18 Steven Moore , Huy A. Nguyen , Tianying Chen , John Stamper

We introduce ABot-OCR, an end-to-end vision-language model that transcribes a page image directly into clean Markdown in a single forward pass. By doing so, our approach completely eliminates the need for brittle modular orchestration. To…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Kaitao Jiang , Ruiyan Gong , Xiaolong Cheng , Kangning Niu , Tianlun Li , Mu Xu

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

Multi-choice Machine Reading Comprehension (MMRC) aims to select the correct answer from a set of options based on a given passage and question. The existing methods employ the pre-trained language model as the encoder, share and transfer…

计算与语言 · 计算机科学 2024-04-30 Chenhao Cui , Yufan Jiang , Shuangzhi Wu , Zhoujun Li

This research paper presents a unique Bengali OCR system with some capabilities. The system excels in reconstructing document layouts while preserving structure, alignment, and images. It incorporates advanced image and signature detection…

计算机视觉与模式识别 · 计算机科学 2024-02-09 AKM Shahariar Azad Rabby , Hasmot Ali , Md. Majedul Islam , Sheikh Abujar , Fuad Rahman

Benchmarks that reflect the diversity and complexity of real-world documents are essential for accurately evaluating Automatic Text Recognition (ATR) systems, especially Vision-Large Language Models (vLLMs). Although recent models…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Mélodie Boillet , Solène Tarride , Christopher Kermorvant

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…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Aishwarya Kamath , Mannat Singh , Yann LeCun , Gabriel Synnaeve , Ishan Misra , Nicolas Carion

Widely used learned metrics for machine translation evaluation, such as COMET and BLEURT, estimate the quality of a translation hypothesis by providing a single sentence-level score. As such, they offer little insight into translation…

计算与语言 · 计算机科学 2023-10-17 Nuno M. Guerreiro , Ricardo Rei , Daan van Stigt , Luisa Coheur , Pierre Colombo , André F. T. Martins

Online Handwritten Text Recognition (OLHTR) has gained considerable attention for its diverse range of applications. Current approaches usually treat OLHTR as a sequence recognition task, employing either a single trajectory or image…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Chenyu Liu , Jinshui Hu , Baocai Yin , Jia Pan , Bing Yin , Jun Du , Qingfeng Liu

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

Most approaches to cross-modal retrieval (CMR) focus either on object-centric datasets, meaning that each document depicts or describes a single object, or on scene-centric datasets, meaning that each image depicts or describes a complex…

信息检索 · 计算机科学 2023-10-12 Mariya Hendriksen , Svitlana Vakulenko , Ernst Kuiper , Maarten de Rijke

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Krzysztof Olejniczak , Milan Šulc

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language understanding and generation, enabling their widespread adoption across various domains. However, their susceptibility to prompt injection attacks…

密码学与安全 · 计算机科学 2025-05-05 Jinsheng Pan , Xiaogeng Liu , Chaowei Xiao

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

A novel algorithm for video lane detection is proposed in this paper. First, we extract a feature map for a current frame and detect a latent mask for obstacles occluding lanes. Then, we enhance the feature map by developing an…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Dongkwon Jin , Chang-Su Kim

The objective of the paper is to recognize handwritten samples of lower case Roman script using Tesseract open source Optical Character Recognition (OCR) engine under Apache License 2.0. Handwritten data samples containing isolated and…

计算机视觉与模式识别 · 计算机科学 2010-03-31 Sandip Rakshit , Subhadip Basu

Multi-object tracking (MOT) has profound applications in a variety of fields, including surveillance, sports analytics, self-driving, and cooperative robotics. Despite considerable advancements, existing MOT methodologies tend to falter…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Hamza Mukhtar , Muhammad Usman Ghani Khan

Multiple-Object Tracking (MOT) is of crucial importance for applications such as retail video analytics and video surveillance. Object detectors are often the computational bottleneck of modern MOT systems, limiting their use for real-time…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Richard Cobos , Jefferson Hernandez , Andres G. Abad

We consider the problem of omni-supervised object detection, which can use unlabeled, fully labeled and weakly labeled annotations, such as image tags, counts, points, etc., for object detection. This is enabled by a unified architecture,…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Pei Wang , Zhaowei Cai , Hao Yang , Gurumurthy Swaminathan , Nuno Vasconcelos , Bernt Schiele , Stefano Soatto