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In this paper we present a deployed, scalable optical character recognition (OCR) system, which we call Rosetta, designed to process images uploaded daily at Facebook scale. Sharing of image content has become one of the primary ways to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Fedor Borisyuk , Albert Gordo , Viswanath Sivakumar

Existing Computerized Adaptive Testing (CAT) frameworks typically select questions based on the predicted likelihood that the student will answer correctly. This design ignores information contained in students' open-ended responses,…

Computation and Language · Computer Science 2026-05-28 Wanyong Feng , Alexander Scarlatos , Ruochen Sun , Andrew Lan

Automation of test oracles is one of the most challenging facets of software testing, but remains comparatively less addressed compared to automated test input generation. Test oracles rely on a ground-truth that can distinguish between the…

Software Engineering · Computer Science 2023-04-07 Ali Reza Ibrahimzada , Yigit Varli , Dilara Tekinoglu , Reyhaneh Jabbarvand

Over the past eight years, the META method has served as a multidimensional testing skill assessment system in the National College Student Contest on Software Testing, successfully assessing over 100,000 students' testing skills. However,…

Software Engineering · Computer Science 2025-08-19 Yue Wang , Zhenyu Chen , Yuan Zhao , Chunrong Fang , Ziyuan Wang , Song Huang

In the field of scene text spotting, previous OCR methods primarily relied on image encoders and pre-trained text information, but they often overlooked the advantages of incorporating human language instructions. To address this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

Optical Character Recognition (OCR) is the process of extracting digitized text from images of scanned documents. While OCR systems have already matured in many languages, they still have shortcomings in cursive languages with overlapping…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Hussein Osman , Karim Zaghw , Mostafa Hazem , Seifeldin Elsehely

A crucial component for the scene text based reasoning required for TextVQA and TextCaps datasets involve detecting and recognizing text present in the images using an optical character recognition (OCR) system. The current systems are…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Amanpreet Singh , Guan Pang , Mandy Toh , Jing Huang , Wojciech Galuba , Tal Hassner

Transformer-based multi-object tracking (MOT) methods have captured the attention of many researchers in recent years. However, these models often suffer from slow inference speeds due to their structure or other issues. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Pan Liao , Feng Yang , Di Wu , Jinwen Yu , Wenhui Zhao , Dingwen Zhang

Large multimodal models (LMMs) have demonstrated impressive capabilities in understanding various types of image, including text-rich images. Most existing text-rich image benchmarks are simple extraction-based question answering, and many…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Jian Chen , Ruiyi Zhang , Yufan Zhou , Ryan Rossi , Jiuxiang Gu , Changyou Chen

The Multi-Object Search (MOS) problem involves navigating to a sequence of locations to maximize the likelihood of finding target objects while minimizing travel costs. In this paper, we introduce a novel approach to the MOS problem, called…

Robotics · Computer Science 2025-09-08 Daniel Choi , Angus Fung , Haitong Wang , Aaron Hao Tan

We investigate a framework for machine reading, inspired by real world information-seeking problems, where a meta question answering system interacts with a black box environment. The environment encapsulates a competitive machine reader…

In this work we present the Consistency-Rebalanced Accuracy (CoRA) metric, improving the reliability of Large Language Model (LLM) scores computed on multiple choice (MC) benchmarks. Our metric explores the response consistency of the LLMs,…

Computation and Language · Computer Science 2025-12-01 Paulo Cavalin , Cassia Sanctos , Marcelo Grave , Claudio Pinhanez , Yago Primerano

The massive progress of machine learning has seen its application over a variety of domains in the past decade. But how do we develop a systematic, scalable and modular strategy to validate machine-learning systems? We present, to the best…

Machine Learning · Computer Science 2019-11-07 Sakshi Udeshi , Sudipta Chattopadhyay

AEC drawings encode geometry and semantics through symbols, layout conventions, and dense annotation, yet it remains unclear whether modern multimodal and vision-language models can reliably interpret this graphical language. We present…

Artificial Intelligence · Computer Science 2026-01-09 Aleksei Kondratenko , Mussie Birhane , Houssame E. Hsain , Guido Maciocci

In the field of object classification, identification based on object variations is a challenge in itself. Variations include shape, size, color, and texture, these can cause problems in recognizing and distinguishing objects accurately.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Florentina Tatrin Kurniati , Daniel HF Manongga , Eko Sediyono , Sri Yulianto Joko Prasetyo , Roy Rudolf Huizen

This paper presents a fast and modular framework for Multi-Object Tracking (MOT) based on the Markov descision process (MDP) tracking-by-detection paradigm. It is designed to allow its various functional components to be replaced by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Abhineet Singh

An enhanced multiple-edge response (MER) based eye diagram estimation method is proposed to evaluate the performance of nonlinear systems with input jitter. Compared with existing MER-based methods which only took into account the bit…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Hanqing Zhang , Feijun Zheng

JaTeCS is an open source Java library that supports research on automatic text categorization and other related problems, such as ordinal regression and quantification, which are of special interest in opinion mining applications. It covers…

Computation and Language · Computer Science 2017-06-22 Andrea Esuli , Tiziano Fagni , Alejandro Moreo Fernandez

Microscopic characterizations, such as Scanning Electron Microscopy (SEM), are widely used in scientific research for visualizing and analyzing microstructures. Determining the scale bars is an important first step of accurate SEM analysis;…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Yuxuan Chen , Ruotong Yang , Zhengyang Zhang , Mehreen Ahmed , Yanming Wang

This paper aims to present an online placement test. It is based on the Item Response Theory to provide relevant estimates of learner competences. The proposed test is the entry point of our e-Learning system. It gathers the learner…

Computers and Society · Computer Science 2014-11-20 Farid Merrouch , Meriem Hnida , Mohammed Khalidi Idrissi , Samir Bennani