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Text-Based Person Search (TBPS) aims to retrieve target person images from a large-scale gallery using natural language descriptions, posing fundamental challenges in cross-modal representation learning. Existing methods often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Jing Liu , Donglai Wei , Yang Liu , Sipeng Zhang , Tong Yang , Wei Zhou , Weiping Ding , Victor C. M. Leung

We propose a method for program generation based on semantic scaffolds, lightweight structures representing the high-level semantic and syntactic composition of a program. By first searching over plausible scaffolds then using these as…

Computation and Language · Computer Science 2020-05-13 Ruiqi Zhong , Mitchell Stern , Dan Klein

In contrast to Connectionist Temporal Classification (CTC) approaches, Sequence-To-Sequence (S2S) models for Handwritten Text Recognition (HTR) suffer from errors such as skipped or repeated words which often occur at the end of a sequence.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Christoph Wick , Jochen Zöllner , Tobias Grüning

The tokenizer, as one of the fundamental components of large models, has long been overlooked or even misunderstood in visual tasks. One key factor of the great comprehension power of the large language model is that natural language…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Run Shao , Zhaoyang Zhang , Chao Tao , Yunsheng Zhang , Chengli Peng , Haifeng Li

We present Convolutional Oriented Boundaries (COB), which produces multiscale oriented contours and region hierarchies starting from generic image classification Convolutional Neural Networks (CNNs). COB is computationally efficient,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Kevis-Kokitsi Maninis , Jordi Pont-Tuset , Pablo Arbeláez , Luc Van Gool

Spatial domain identification requires jointly modeling molecular signatures and physical coordinates, yet current tools frequently over-smooth biological boundaries, require user-specified cluster numbers, and lack principled multimodal…

Applications · Statistics 2026-05-18 Xin Li , Xiaofei Dong , Zhenke Duan , Lulu Shang , Xiao Wang , Xinyuan Song , Hanwen Ning , Guanyu Hu

The effectiveness of compression in text classification ('gzip') has recently garnered lots of attention. In this note we show that `bag-of-words' approaches can achieve similar or better results, and are more efficient.

Computation and Language · Computer Science 2023-08-09 Juri Opitz

Neural network architectures in natural language processing often use attention mechanisms to produce probability distributions over input token representations. Attention has empirically been demonstrated to improve performance in various…

Computation and Language · Computer Science 2021-05-10 George Chrysostomou , Nikolaos Aletras

The acoustic-to-word model based on the connectionist temporal classification (CTC) criterion was shown as a natural end-to-end (E2E) model directly targeting words as output units. However, the word-based CTC model suffers from the…

Computation and Language · Computer Science 2018-03-16 Jinyu Li , Guoli Ye , Amit Das , Rui Zhao , Yifan Gong

Recent advances in segmentation-free keyword spotting treat this problem w.r.t. an object detection paradigm and borrow from state-of-the-art detection systems to simultaneously propose a word bounding box proposal mechanism and compute a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 George Retsinas , Giorgos Sfikas , Christophoros Nikou

We build upon time-series classification by leveraging the capabilities of Vision Language Models (VLMs). We find that VLMs produce competitive results after two or less epochs of fine-tuning. We develop a novel approach that incorporates…

Artificial Intelligence · Computer Science 2025-01-22 Vinay Prithyani , Mohsin Mohammed , Richa Gadgil , Ricardo Buitrago , Vinija Jain , Aman Chadha

Automatic Text Categorization (TC) is a complex and useful task for many natural language applications, and is usually performed through the use of a set of manually classified documents, a training collection. We suggest the utilization of…

cmp-lg · Computer Science 2008-02-03 Manuel de Buenaga Rodriguez , Jose Maria Gomez Hidalgo , Belen Diaz Agudo

There are a number of studies about extraction of bottleneck (BN) features from deep neural networks (DNNs)trained to discriminate speakers, pass-phrases and triphone states for improving the performance of text-dependent speaker…

Sound · Computer Science 2019-05-14 Achintya kr. Sarkar , Zheng-Hua Tan , Hao Tang , Suwon Shon , James Glass

In this paper we present a new ensemble method, Continuous Bag-of-Skip-grams (CBOS), that produces high-quality word representations putting emphasis on the modern Greek language. The CBOS method combines the pioneering approaches for…

Computation and Language · Computer Science 2020-11-13 Michalis Lioudakis , Stamatis Outsios , Michalis Vazirgiannis

Modern language models mostly take sub-words as input, a design that balances the trade-off between vocabulary size, number of parameters, and performance. However, sub-word tokenization still has disadvantages like not being robust to…

Computation and Language · Computer Science 2022-11-24 Chu-Tak Lee , Qipeng Guo , Xipeng Qiu

The goal for classification is to correctly assign labels to unseen samples. However, most methods misclassify samples with unseen labels and assign them to one of the known classes. Open-Set Classification (OSC) algorithms aim to maximize…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Halil Bisgin , Andres Palechor , Mike Suter , Manuel Günther

In this paper we introduce a method to detect words or phrases in a given sequence of alphabets without knowing the lexicon. Our linear time unsupervised algorithm relies entirely on statistical relationships among alphabets in the input…

Computation and Language · Computer Science 2013-12-31 Tamal Chowdhury , Rabindra Rakshit , Arko Banerjee

It is always well believed that parsing an image into constituent visual patterns would be helpful for understanding and representing an image. Nevertheless, there has not been evidence in support of the idea on describing an image with a…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Ting Yao , Yingwei Pan , Yehao Li , Tao Mei

Time series classification is a critical task in various domains, such as finance, healthcare, and sensor data analysis. Unsupervised contrastive learning has garnered significant interest in learning effective representations from time…

Machine Learning · Computer Science 2025-03-24 Huili Cai , Xiang Zhang , Xiaofeng Liu

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