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With the rapid development of Large Language Models (LLMs), aligning these models with human preferences and values is critical to ensuring ethical and safe applications. However, existing alignment techniques such as RLHF or DPO often…

Computation and Language · Computer Science 2025-08-19 Yang Zhang , Yu Yu , Bo Tang , Yu Zhu , Chuxiong Sun , Wenqiang Wei , Jie Hu , Zipeng Xie , Zhiyu Li , Feiyu Xiong , Edward Chung

Recent research suggests that neural machine translation (MT) in the news domain has reached human-level performance, but for other professional domains, it is far below the level. In this paper, we conduct a fine-grained systematic human…

Computation and Language · Computer Science 2021-10-29 Ming Liu , He Zhang , Guanhao Wu

In this paper, we propose a joint algorithm for the word segmentation on Chinese social media. Previous work mainly focus on word segmentation for plain Chinese text, in order to develop a Chinese social media processing tool, we need to…

Computation and Language · Computer Science 2015-10-27 Yao Yushi , Huang Zheng

In this paper, we aim to address the challenges surrounding the translation of ancient Chinese text: (1) The linguistic gap due to the difference in eras results in translations that are poor in quality, and (2) most translations are…

Computation and Language · Computer Science 2021-07-08 Ernie Chang , Yow-Ting Shiue , Hui-Syuan Yeh , Vera Demberg

In this letter, we propose a two-stage approach to estimate the carrier frequency offset (CFO) and channel with one-bit analog-to-digital converters (ADCs). Firstly, a simple metric which is only a function of the CFO is proposed, and the…

Information Theory · Computer Science 2018-11-22 Jiang Zhu , Hangting Cao , Zhiwei Xu

In this article, we propose a penalized high dimensional semiparametric model average quantile prediction approach that is robust for forecasting the conditional quantile of the response. We consider a two-step estimation procedure. In the…

Statistics Theory · Mathematics 2018-09-06 Jingwen Tu , Hu Yang , Chaohui Guo

It is hard to generate an image at target view well for previous cross-view image translation methods that directly adopt a simple encoder-decoder or U-Net structure, especially for drastically different views and severe deformation cases.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Bin Ren , Hao Tang , Nicu Sebe

This work proposes a simple training-free prompt-free approach to leverage large language models (LLMs) for the Chinese spelling correction (CSC) task, which is totally different from all previous CSC approaches. The key idea is to use an…

Computation and Language · Computer Science 2024-10-08 Houquan Zhou , Zhenghua Li , Bo Zhang , Chen Li , Shaopeng Lai , Ji Zhang , Fei Huang , Min Zhang

Multi-parameter cognition in a cognitive radio network (CRN) provides a more thorough understanding of the radio environments, and could potentially lead to far more intelligent and efficient spectrum usage for a secondary user. In this…

Signal Processing · Electrical Eng. & Systems 2019-10-02 Rui Zhang , Peng Cheng , Zhuo Chen , Yonghui Li , Branka Vucetic

In this paper, we present FuxiMT, a novel Chinese-centric multilingual machine translation model powered by a sparsified large language model (LLM). We adopt a two-stage strategy to train FuxiMT. We first pre-train the model on a massive…

Computation and Language · Computer Science 2025-05-21 Shaolin Zhu , Tianyu Dong , Bo Li , Deyi Xiong

Autoregressive models (ARMs) currently hold state-of-the-art performance in likelihood-based modeling of image and audio data. Generally, neural network based ARMs are designed to allow fast inference, but sampling from these models is…

Machine Learning · Computer Science 2020-07-09 Auke Wiggers , Emiel Hoogeboom

Approximate message passing (AMP) refers to a class of efficient algorithms for statistical estimation in high-dimensional problems such as compressed sensing and low-rank matrix estimation. This paper analyzes the performance of AMP in the…

Information Theory · Computer Science 2018-10-23 Cynthia Rush , Ramji Venkataramanan

This report describes the submitted system to the In-Car Multi-Channel Automatic Speech Recognition (ICMC-ASR) challenge, which considers the ASR task with multi-speaker overlapping and Mandarin accent dynamics in the ICMC case. We…

Autoregressive (AR) models have demonstrated significant success in the realm of text-to-image generation. However, they usually face two major challenges. Firstly, the generated images may not always meet the quality standards expected by…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Kai Dong , Tingting Bai

Chinese grammatical error correction (CGEC) faces serious overcorrection challenges when employing autoregressive generative models such as sequence-to-sequence (Seq2Seq) models and decoder-only large language models (LLMs). While previous…

Computation and Language · Computer Science 2024-06-04 Haihui Yang , Xiaojun Quan

Existing Moment Retrieval methods face three critical bottlenecks: (1) data scarcity forces models into shallow keyword-feature associations; (2) boundary ambiguity in transition regions between adjacent events; (3) insufficient…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Zhengxuan Wei , Jiajin Tang , Sibei Yang

End-to-end Automatic Speech Recognition (ASR) systems are rapidly claiming to become state-of-art over other modeling methods. Several techniques have been introduced to improve their ability to handle multiple languages. However, due to…

Computation and Language · Computer Science 2024-10-22 Rohit Kumar

We propose a calibrated multivariate regression method named CMR for fitting high dimensional multivariate regression models. Compared with existing methods, CMR calibrates regularization for each regression task with respect to its noise…

Machine Learning · Statistics 2017-06-06 Han Liu , Lie Wang , Tuo Zhao

Latent variable (LV) models are widely used in psychological research to investigate relationships among unobservable constructs. When one-stage estimation of the overall LV model is challenging, two-stage factor score regression (FSR)…

Methodology · Statistics 2026-01-27 Yang Liu , Xiaohui Luo , Jieyuan Dong , Youjin Sung , Yueqin Hu , Hongyun Liu , Daniel J. Bauer

Standard classification models often map inputs directly to labels without explicit reasoning, potentially limiting their performance, robustness, and interpretability. This paper introduces a novel two-stage approach to enhance text…

Computation and Language · Computer Science 2025-07-02 Mads Henrichsen , Rasmus Krebs