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Efficient distributed numerical word representation models (word embeddings) combined with modern machine learning algorithms have recently yielded considerable improvement on automatic document classification tasks. However, the…

Computation and Language · Computer Science 2018-09-07 Roger A. Stein , Patricia A. Jaques , Joao F. Valiati

Recent years have witnessed extensive attention in binary code learning, a.k.a. hashing, for nearest neighbor search problems. It has been seen that high-dimensional data points can be quantized into binary codes to give an efficient…

Computer Vision and Pattern Recognition · Computer Science 2016-11-22 Hong Liu , Rongrong Ji , Yongjian Wu , Feiyue Huang

Transformer-based semantic retrieval is highly effective, yet in many deployments the dominant cost lies in online query encoding rather than corpus indexing. We study the fixed-teacher query-adaptation problem and ask whether repeated…

Machine Learning · Computer Science 2026-05-06 Mohit Kumar , Somayeh Kargaran , Bernhard A. Moser , Manuela Geiß

With the booming of Large Language Models (LLMs), prompt-learning has become a promising method mainly researched in various research areas. Recently, many attempts based on prompt-learning have been made to improve the performance of text…

Computation and Language · Computer Science 2024-06-07 Chun Liu , Hongguang Zhang , Kainan Zhao , Xinghai Ju , Lin Yang

We propose to employ a saliency-driven hierarchical neural image compression network for a machine-to-machine communication scenario following the compress-then-analyze paradigm. By that, different areas of the image are coded at different…

Image and Video Processing · Electrical Eng. & Systems 2023-02-28 Kristian Fischer , Fabian Brand , Christian Blum , André Kaup

We propose a learning method with feature selection for Locality-Sensitive Hashing. Locality-Sensitive Hashing converts feature vectors into bit arrays. These bit arrays can be used to perform similarity searches and personal…

Machine Learning · Computer Science 2012-10-12 Makiko Konoshima , Yui Noma

Error-correcting codes that admit local decoding and correcting algorithms have been the focus of much recent research due to their numerous theoretical and practical applications. An important goal is to obtain the best possible tradeoffs…

Data Structures and Algorithms · Computer Science 2018-09-19 Jeremiah Blocki , Venkata Gandikota , Elena Grigorescu , Samson Zhou

Contextual representation models have achieved great success in improving various downstream tasks. However, these language-model-based encoders are difficult to train due to the large parameter sizes and high computational complexity. By…

Computation and Language · Computer Science 2019-03-01 Liunian Harold Li , Patrick H. Chen , Cho-Jui Hsieh , Kai-Wei Chang

The paper approaches the task of handwritten text recognition (HTR) with attentional encoder-decoder networks trained on sequences of characters, rather than words. We experiment on lines of text from popular handwriting datasets and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jason Poulos , Rafael Valle

Text Normalization and Semantic Parsing have numerous applications in natural language processing, such as natural language programming, paraphrasing, data augmentation, constructing expert systems, text matching, and more. Despite the…

Computation and Language · Computer Science 2024-12-19 Kevin You

Context compression is an advanced technique that accelerates large language model (LLM) inference by converting long inputs into compact representations. Existing methods primarily rely on autoencoding tasks to train special compression…

Computation and Language · Computer Science 2026-03-12 Xin Liu , Runsong Zhao , Pengcheng Huang , Xinyu Liu , Junyi Xiao , Chunyang Xiao , Tong Xiao , Shengxiang Gao , Zhengtao Yu , Jingbo Zhu

While OCR has been used in various applications, its output is not always accurate, leading to misfit words. This research work focuses on improving the optical character recognition (OCR) with ML techniques with integration of OCR with…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Abhishek Bamotra , Phani Krishna Uppala

Detecting and recognizing text in natural scene images is a challenging, yet not completely solved task. In re- cent years several new systems that try to solve at least one of the two sub-tasks (text detection and text recognition) have…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Christian Bartz , Haojin Yang , Christoph Meinel

Automatic abstractive text summarization is an important and challenging research topic of natural language processing. Among many widely used languages, the Chinese language has a special property that a Chinese character contains rich…

Computation and Language · Computer Science 2018-09-11 Chieh-Teng Chang , Chi-Chia Huang , Chih-Yuan Yang , Jane Yung-Jen Hsu

We propose a new fast word embedding technique using hash functions. The method is a derandomization of a new type of random projections: By disregarding the classic constraint used in designing random projections (i.e., preserving pairwise…

Computation and Language · Computer Science 2018-08-31 Behrang QasemiZadeh , Laura Kallmeyer

We investigate the training of sparse layers that use different parameters for different inputs based on hashing in large Transformer models. Specifically, we modify the feedforward layer to hash to different sets of weights depending on…

Machine Learning · Computer Science 2021-07-21 Stephen Roller , Sainbayar Sukhbaatar , Arthur Szlam , Jason Weston

Many studies on (Offline) Handwritten Text Recognition (HTR) systems have focused on building state-of-the-art models for line recognition on small corpora. However, adding HTR capability to a large scale multilingual OCR system poses new…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 R. Reeve Ingle , Yasuhisa Fujii , Thomas Deselaers , Jonathan Baccash , Ashok C. Popat

The indexing algorithms for the high-dimensional nearest neighbor search (NNS) with the best worst-case guarantees are based on the randomized Locality Sensitive Hashing (LSH), and its derivatives. In practice, many heuristic approaches…

Data Structures and Algorithms · Computer Science 2022-07-08 Alexandr Andoni , Daniel Beaglehole

Image hash codes are produced by binarizing the embeddings of convolutional neural networks (CNN) trained for either classification or retrieval. While proxy embeddings achieve good performance on both tasks, they are non-trivial to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Pedro Morgado , Yunsheng Li , Jose Costa Pereira , Mohammad Saberian , Nuno Vasconcelos

One-hot CNN (convolutional neural network) has been shown to be effective for text categorization (Johnson & Zhang, 2015). We view it as a special case of a general framework which jointly trains a linear model with a non-linear feature…

Machine Learning · Statistics 2016-05-27 Rie Johnson , Tong Zhang