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This paper proposes an algorithm to improve the calculation of confidence measure for spoken term detection (STD). Given an input query term, the algorithm first calculates a measurement named document ranking weight for each document in…

计算与语言 · 计算机科学 2015-09-11 Quan Liu , Wu Guo , Zhen-Hua Ling

Efficiently re-identifying and tracking objects across a network of cameras is crucial for applications like traffic surveillance. Spatula is the state-of-the-art video database management system (VDBMS) for processing Re-ID queries.…

数据库 · 计算机科学 2025-07-15 Pramod Chunduri , Yao Lu , Joy Arulraj

Binary code similarity detection (BCSD) has various applications, including but not limited to vulnerability detection, plagiarism detection, and malware detection. Previous research efforts mainly focus on transforming binary code to…

密码学与安全 · 计算机科学 2023-06-27 Chensen Huang , Guibo Zhu , Guojing Ge , Taihao Li , Jinqiao Wang

In order to be able to deliver today's voluminous amount of video contents through limited bandwidth channels in a perceptually optimal way, it is important to consider perceptual trade-offs of compression and space-time downsampling…

图像与视频处理 · 电气工程与系统科学 2021-04-01 Dae Yeol Lee , Hyunsuk Ko , Jongho Kim , Alan C. Bovik

We observe that the performance of SOTA visual trackers surprisingly strongly varies across different video attributes and datasets. No single tracker remains the best performer across all tracking attributes and datasets. To bridge this…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Basit Alawode , Sajid Javed , Arif Mahmood , Jiri Matas

Neural machine translation (NMT) has arguably achieved human level parity when trained and evaluated at the sentence-level. Document-level neural machine translation has received less attention and lags behind its sentence-level…

计算与语言 · 计算机科学 2020-03-12 Elman Mansimov , Gábor Melis , Lei Yu

Vision Transformers have attracted a lot of attention recently since the successful implementation of Vision Transformer (ViT) on vision tasks. With vision Transformers, specifically the multi-head self-attention modules, networks can…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Xiangyu Chen , Ying Qin , Wenju Xu , Andrés M. Bur , Cuncong Zhong , Guanghui Wang

Evaluating text comprehension in educational settings is critical for understanding student performance and improving curricular effectiveness. This study investigates the capability of state-of-the-art language models-RoBERTa Base,…

Recently, there has been a significant growth of interest in applying software engineering techniques for the quality assurance of deep learning (DL) systems. One popular direction is deep learning testing, where adversarial examples…

软件工程 · 计算机科学 2021-02-16 Jingyi Wang , Jialuo Chen , Youcheng Sun , Xingjun Ma , Dongxia Wang , Jun Sun , Peng Cheng

In this article we investigate the effects of conformal transformations on kernel functions used in Support Vector Machines. Our focus lies in the task of text document categorization, which involves assigning each document to a particular…

机器学习 · 计算机科学 2024-06-04 Ioana Rădulescu , Alexandra Băicoianu , Adela Mihai

Data augmentation has shown its effectiveness in resolving the data-hungry problem and improving model's generalization ability. However, the quality of augmented data can be varied, especially compared with the raw/original data. To boost…

计算与语言 · 计算机科学 2024-09-27 Guanyi Mou , Yichuan Li , Kyumin Lee

Image-Text Retrieval (ITR) systems are central to multimodal information access, with Vision-Language Models (VLMs) showing strong performance on standard benchmarks. However, these benchmarks predominantly rely on coarse-grained…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Mariya Hendriksen , Shuo Zhang , Ridho Reinanda , Mohamed Yahya , Edgar Meij , Maarten de Rijke

With over 200 million published academic documents and millions of new documents being written each year, academic researchers face the challenge of searching for information within this vast corpus. However, existing retrieval systems…

信息检索 · 计算机科学 2024-05-21 Gengchen Wei , Xinle Pang , Tianning Zhang , Yu Sun , Xun Qian , Chen Lin , Han-Sen Zhong , Wanli Ouyang

We present Ditto, a novel entity matching system based on pre-trained Transformer-based language models. We fine-tune and cast EM as a sequence-pair classification problem to leverage such models with a simple architecture. Our experiments…

数据库 · 计算机科学 2020-09-04 Yuliang Li , Jinfeng Li , Yoshihiko Suhara , AnHai Doan , Wang-Chiew Tan

Object Recognition and Document Skew Estimation have come a long way in terms of performance and efficiency. New models follow one of two directions: improving performance using larger models, and improving efficiency using smaller models.…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Lucas Wojcik , Luiz Coelho , Roger Granada , David Menotti

Block based motion estimation is integral to inter prediction processes performed in hybrid video codecs. Prevalent block matching based methods that are used to compute block motion vectors (MVs) rely on computationally intensive search…

图像与视频处理 · 电气工程与系统科学 2022-12-06 Somdyuti Paul , Andrey Norkin , Alan C. Bovik

We report and fix an important systematic error in prior studies that ranked classifiers for software analytics. Those studies did not (a) assess classifiers on multiple criteria and they did not (b) study how variations in the data affect…

软件工程 · 计算机科学 2018-03-16 Amritanshu Agrawal , Tim Menzies

We repurpose AV1 motion vectors to produce dense sub-pixel correspondences and short tracks filtered by cosine consistency. On short videos, this compressed-domain front end runs comparably to sequential SIFT while using far less CPU, and…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Julien Zouein , Hossein Javidnia , François Pitié , Anil Kokaram

This paper explores a better prediction target for BERT pre-training of vision transformers. We observe that current prediction targets disagree with human perception judgment.This contradiction motivates us to learn a perceptual prediction…

计算机视觉与模式识别 · 计算机科学 2022-12-19 Xiaoyi Dong , Jianmin Bao , Ting Zhang , Dongdong Chen , Weiming Zhang , Lu Yuan , Dong Chen , Fang Wen , Nenghai Yu , Baining Guo

Verifiable training has shown success in creating neural networks that are provably robust to a given amount of noise. However, despite only enforcing a single robustness criterion, its performance scales poorly with dataset complexity. On…

机器学习 · 计算机科学 2020-12-16 Shiqi Wang , Kevin Eykholt , Taesung Lee , Jiyong Jang , Ian Molloy