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In this paper, we focus on the demodulation/decoding of the complex modulations/codes that approach the Shannon capacity. Theoretically, the maximum likelihood (ML) algorithm can achieve the optimal error performance whereas it has…

信息论 · 计算机科学 2022-06-14 Boxiang He , Zitao Wu , Fanggang Wang

We propose an efficient approach to train large diffusion models with masked transformers. While masked transformers have been extensively explored for representation learning, their application to generative learning is less explored in…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Hongkai Zheng , Weili Nie , Arash Vahdat , Anima Anandkumar

This paper explores the integration of Diophantine equations into neural network (NN) architectures to improve model interpretability, stability, and efficiency. By encoding and decoding neural network parameters as integer solutions to…

机器学习 · 计算机科学 2024-09-12 Ronald Katende

Deep convolutional neural networks (CNNs) trained with logistic and softmax losses have made significant advancement in visual recognition tasks in computer vision. When training data exhibit class imbalances, the class-wise reweighted…

机器学习 · 计算机科学 2020-03-06 Xiangrui Li , Xin Li , Deng Pan , Dongxiao Zhu

Surface codes reach high error thresholds when decoded with known algorithms, but the decoding time will likely exceed the available time budget, especially for near-term implementations. To decrease the decoding time, we reduce the…

量子物理 · 物理学 2019-02-07 Savvas Varsamopoulos , Ben Criger , Koen Bertels

Distance metric learning (DML) is to learn the embeddings where examples from the same class are closer than examples from different classes. It can be cast as an optimization problem with triplet constraints. Due to the vast number of…

计算机视觉与模式识别 · 计算机科学 2020-04-16 Qi Qian , Lei Shang , Baigui Sun , Juhua Hu , Hao Li , Rong Jin

Although the Transformer is currently the best-performing architecture in the homogeneous configuration (self-attention only) in Neural Machine Translation, many State-of-the-Art models in Natural Language Processing are made of a…

计算与语言 · 计算机科学 2024-01-02 Jia Cheng Hu , Roberto Cavicchioli , Giulia Berardinelli , Alessandro Capotondi

Transformer-based NLP models are powerful but have high computational costs that limit deployment. Finetuned encoder-decoder models are popular in specialized domains and can outperform larger more generalized decoder-only models, such as…

计算与语言 · 计算机科学 2024-11-19 Bo-Ru Lu , Nikita Haduong , Chien-Yu Lin , Hao Cheng , Noah A. Smith , Mari Ostendorf

Most existing machine translation systems operate at the level of words, relying on explicit segmentation to extract tokens. We introduce a neural machine translation (NMT) model that maps a source character sequence to a target character…

计算与语言 · 计算机科学 2017-06-14 Jason Lee , Kyunghyun Cho , Thomas Hofmann

Existing neural machine translation systems do not explicitly model what has been translated and what has not during the decoding phase. To address this problem, we propose a novel mechanism that separates the source information into two…

计算与语言 · 计算机科学 2017-12-27 Zaixiang Zheng , Hao Zhou , Shujian Huang , Lili Mou , Xinyu Dai , Jiajun Chen , Zhaopeng Tu

In this paper, we propose a multilingual encoder-decoder architecture capable of obtaining multilingual sentence representations by means of incorporating an intermediate {\em attention bridge} that is shared across all languages. That is,…

计算与语言 · 计算机科学 2019-10-29 Raúl Vázquez , Alessandro Raganato , Jörg Tiedemann , Mathias Creutz

While it has been shown that Neural Machine Translation (NMT) is highly sensitive to noisy parallel training samples, prior work treats all types of mismatches between source and target as noise. As a result, it remains unclear how samples…

计算与语言 · 计算机科学 2021-06-01 Eleftheria Briakou , Marine Carpuat

With the promising progress of deep neural networks, layer aggregation has been used to fuse information across layers in various fields, such as computer vision and machine translation. However, most of the previous methods combine layers…

计算与语言 · 计算机科学 2019-02-18 Zi-Yi Dou , Zhaopeng Tu , Xing Wang , Longyue Wang , Shuming Shi , Tong Zhang

We propose a software framework based on the ideas of the Learning-Compression (LC) algorithm, that allows a user to compress a neural network or other machine learning model using different compression schemes with minimal effort.…

机器学习 · 计算机科学 2020-05-19 Yerlan Idelbayev , Miguel Á. Carreira-Perpiñán

Multilingual Machine Translation promises to improve translation quality between non-English languages. This is advantageous for several reasons, namely lower latency (no need to translate twice), and reduced error cascades (e.g., avoiding…

计算与语言 · 计算机科学 2023-05-05 Telmo Pessoa Pires , Robin M. Schmidt , Yi-Hsiu Liao , Stephan Peitz

Previous neural machine translation models used some heuristic search algorithms (e.g., beam search) in order to avoid solving the maximum a posteriori problem over translation sentences at test time. In this paper, we propose the…

计算与语言 · 计算机科学 2017-06-26 Jiatao Gu , Daniel Jiwoong Im , Victor O. K. Li

Models based on U-like structures have improved the performance of medical image segmentation. However, the single-layer decoder structure of U-Net is too "thin" to exploit enough information, resulting in large semantic differences between…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Haoyuan Chen , Yufei Han , Pin Xu , Yanyi Li , Kuan Li , Jianping Yin

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki

Matching algorithms can be used for identifying errors in quantum systems, being the most famous the Blossom algorithm. Recent works have shown that small distance quantum error correction codes can be efficiently decoded by employing…

量子物理 · 物理学 2019-11-27 Savvas Varsamopoulos , Koen Bertels , Carmen G. Almudever

Maximum-a-posteriori (MAP) decoding is the most widely used decoding strategy for neural machine translation (NMT) models. The underlying assumption is that model probability correlates well with human judgment, with better translations…