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Encoded representations from a pretrained deep learning model (e.g., BERT text embeddings, penultimate CNN layer activations of an image) convey a rich set of features beneficial for information retrieval. Embeddings for a particular…

机器学习 · 计算机科学 2023-04-24 Hyunjin Choi , Hyunjae Lee , Seongho Joe , Youngjune L. Gwon

Incremental semantic segmentation(ISS) is an emerging task where old model is updated by incrementally adding new classes. At present, methods based on convolutional neural networks are dominant in ISS. However, studies have shown that such…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Zekai Xu , Mingyi Zhang , Jiayue Hou , Xing Gong , Chuan Wen , Chengjie Wang , Junge Zhang

End-to-end text spotting is a vital computer vision task that aims to integrate scene text detection and recognition into a unified framework. Typical methods heavily rely on Region-of-Interest (RoI) operations to extract local features and…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Yukun Zhai , Xiaoqiang Zhang , Xiameng Qin , Sanyuan Zhao , Xingping Dong , Jianbing Shen

Transformers have made significant strides across various artificial intelligence domains, including natural language processing, computer vision, and audio processing. This success has naturally garnered considerable interest from both…

图像与视频处理 · 电气工程与系统科学 2024-08-12 Elyas Rashno , Amir Eskandari , Aman Anand , Farhana Zulkernine

Our objective is language-based search of large-scale image and video datasets. For this task, the approach that consists of independently mapping text and vision to a joint embedding space, a.k.a. dual encoders, is attractive as retrieval…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Antoine Miech , Jean-Baptiste Alayrac , Ivan Laptev , Josef Sivic , Andrew Zisserman

Neural document rerankers are extremely effective in terms of accuracy. However, the best models require dedicated hardware for serving, which is costly and often not feasible. To avoid this serving-time requirement, we present a method of…

计算与语言 · 计算机科学 2023-10-24 Livio Baldini Soares , Daniel Gillick , Jeremy R. Cole , Tom Kwiatkowski

Understanding Transformer-based models has attracted significant attention, as they lie at the heart of recent technological advances across machine learning. While most interpretability methods rely on running models over inputs, recent…

计算与语言 · 计算机科学 2023-12-27 Guy Dar , Mor Geva , Ankit Gupta , Jonathan Berant

Retrieving answer passages from long documents is a complex task requiring semantic understanding of both discourse and document context. We approach this challenge specifically in a clinical scenario, where doctors retrieve cohorts of…

信息检索 · 计算机科学 2021-08-03 Paul Grundmann , Sebastian Arnold , Alexander Löser

Effective problem solving with Large Language Models (LLMs) can be enhanced when they are paired with external search algorithms. By viewing the space of diverse ideas and their follow-up possibilities as a tree structure, the search…

机器学习 · 计算机科学 2026-03-27 Jungtaek Kim , Thomas Zeng , Ziqian Lin , Minjae Lee , Chungpa Lee , Jy-yong Sohn , Hyung Il Koo , Kangwook Lee

Currently, this paper is under review in IEEE. Transformers have intrigued the vision research community with their state-of-the-art performance in natural language processing. With their superior performance, transformers have found their…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Preetam Ghosh , Swalpa Kumar Roy , Bikram Koirala , Behnood Rasti , Paul Scheunders

Knowledge-intensive tasks such as question answering often require assimilating information from different sections of large inputs such as books or article collections. We propose ReadTwice, a simple and effective technique that combines…

计算与语言 · 计算机科学 2021-05-13 Yury Zemlyanskiy , Joshua Ainslie , Michiel de Jong , Philip Pham , Ilya Eckstein , Fei Sha

State-of-the-art systems in deep question answering proceed as follows: (1) an initial document retrieval selects relevant documents, which (2) are then processed by a neural network in order to extract the final answer. Yet the exact…

计算与语言 · 计算机科学 2018-08-21 Bernhard Kratzwald , Stefan Feuerriegel

In the field of cross-modal retrieval, single encoder models tend to perform better than dual encoder models, but they suffer from high latency and low throughput. In this paper, we present a dual encoder model called BagFormer that…

信息检索 · 计算机科学 2023-01-02 Haowen Hou , Xiaopeng Yan , Yigeng Zhang , Fengzong Lian , Zhanhui Kang

Diagnosis-oriented dialogue system queries the patient's health condition and makes predictions about possible diseases through continuous interaction with the patient. A few studies use reinforcement learning (RL) to learn the optimal…

计算与语言 · 计算机科学 2022-12-27 Wei Chen , Cheng Zhong , Jiajie Peng , Zhongyu Wei

Recent approaches to Open-domain Question Answering refer to an external knowledge base using a retriever model, optionally rerank passages with a separate reranker model and generate an answer using another reader model. Despite performing…

计算与语言 · 计算机科学 2022-10-31 Haejun Lee , Akhil Kedia , Jongwon Lee , Ashwin Paranjape , Christopher D. Manning , Kyoung-Gu Woo

Text encoding is one of the most important steps in Natural Language Processing (NLP). It has been done well by the self-attention mechanism in the current state-of-the-art Transformer encoder, which has brought about significant…

计算与语言 · 计算机科学 2021-02-12 Zuchao Li , Zhuosheng Zhang , Hai Zhao , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita

Astounding results from Transformer models on natural language tasks have intrigued the vision community to study their application to computer vision problems. Among their salient benefits, Transformers enable modeling long dependencies…

计算机视觉与模式识别 · 计算机科学 2022-01-20 Salman Khan , Muzammal Naseer , Munawar Hayat , Syed Waqas Zamir , Fahad Shahbaz Khan , Mubarak Shah

Identifying critical research within the growing body of academic work is an intrinsic aspect of conducting quality research. Systematic review processes used in evidence-based medicine formalise this as a procedure that must be followed in…

数字图书馆 · 计算机科学 2024-10-14 John Hawkins , David Tivey

This paper proposes a transformer over transformer framework, called Transformer$^2$, to perform neural text segmentation. It consists of two components: bottom-level sentence encoders using pre-trained transformers, and an upper-level…

计算与语言 · 计算机科学 2021-10-15 Kelvin Lo , Yuan Jin , Weicong Tan , Ming Liu , Lan Du , Wray Buntine

Unlike vision and language data which usually has a unique format, molecules can naturally be characterized using different chemical formulations. One can view a molecule as a 2D graph or define it as a collection of atoms located in a 3D…

机器学习 · 计算机科学 2023-03-29 Shengjie Luo , Tianlang Chen , Yixian Xu , Shuxin Zheng , Tie-Yan Liu , Liwei Wang , Di He