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Related papers: Quality Estimation with $k$-nearest Neighbors and …

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In this paper we propose to exploit the automatic Quality Estimation (QE) of ASR hypotheses to perform the unsupervised adaptation of a deep neural network modeling acoustic probabilities. Our hypothesis is that significant improvements can…

Computation and Language · Computer Science 2017-02-07 Daniele Falavigna , Marco Matassoni , Shahab Jalalvand , Matteo Negri , Marco Turchi

To improve the viewer's Quality of Experience (QoE) and optimize computer graphics applications, 3D model quality assessment (3D-QA) has become an important task in the multimedia area. Point cloud and mesh are the two most widely used…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zicheng Zhang , Wei Sun , Xiongkuo Min , Tao Wang , Wei Lu , Guangtao Zhai

The current state-of-the-art No-Reference Image Quality Assessment (NR-IQA) methods typically rely on feature extraction from upstream semantic backbone networks, assuming that all extracted features are relevant. However, we make a key…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Xudong Li , Timin Gao , Runze Hu , Yan Zhang , Shengchuan Zhang , Xiawu Zheng , Jingyuan Zheng , Yunhang Shen , Ke Li , Yutao Liu , Pingyang Dai , Rongrong Ji

The development of QoE models by means of Machine Learning (ML) is challenging, amongst others due to small-size datasets, lack of diversity in user profiles in the source domain, and too much diversity in the target domains of QoE models.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Selim Ickin , Markus Fiedler , Konstantinos Vandikas

Machine Translation Quality Estimation is a notoriously difficult task, which lessens its usefulness in real-world translation environments. Such scenarios can be improved if quality predictions are accompanied by a measure of uncertainty.…

Computation and Language · Computer Science 2016-07-01 Daniel Beck , Lucia Specia , Trevor Cohn

Since the emergence of wireless communication networks, a plethora of research papers focus their attention on the quality aspects of wireless links. The analysis of the rich body of existing literature on link quality estimation using…

Networking and Internet Architecture · Computer Science 2021-01-26 Gregor Cerar , Halil Yetgin , Mihael Mohorčič , Carolina Fortuna

Deep learning based question answering (QA) on English documents has achieved success because there is a large amount of English training examples. However, for most languages, training examples for high-quality QA models are not available.…

Computation and Language · Computer Science 2019-07-16 Chia-Hsuan Lee , Hung-Yi Lee

The evaluation of text simplification (TS) systems remains an open challenge. As the task has common points with machine translation (MT), TS is often evaluated using MT metrics such as BLEU. However, such metrics require high quality…

Computation and Language · Computer Science 2019-01-31 Louis Martin , Samuel Humeau , Pierre-Emmanuel Mazaré , Antoine Bordes , Éric Villemonte de La Clergerie , Benoît Sagot

Although Neural Machine Translation (NMT) models have advanced state-of-the-art performance in machine translation, they face problems like the inadequate translation. We attribute this to that the standard Maximum Likelihood Estimation…

Computation and Language · Computer Science 2018-11-22 Xiang Kong , Zhaopeng Tu , Shuming Shi , Eduard Hovy , Tong Zhang

As people increasingly use AI systems in work and daily life, feedback mechanisms that help them use AI responsibly are urgently needed, particularly in settings where users are not equipped to assess the quality of AI predictions. We study…

Computation and Language · Computer Science 2025-10-03 Dayeon Ki , Kevin Duh , Marine Carpuat

$k$NN-MT is a straightforward yet powerful approach for fast domain adaptation, which directly plugs pre-trained neural machine translation (NMT) models with domain-specific token-level $k$-nearest-neighbor ($k$NN) retrieval to achieve…

Computation and Language · Computer Science 2023-02-24 Yuhan Dai , Zhirui Zhang , Qiuzhi Liu , Qu Cui , Weihua Li , Yichao Du , Tong Xu

Larger models often outperform smaller ones but come with high computational costs. Cascading offers a potential solution. By default, it uses smaller models and defers only some instances to larger, more powerful models. However, designing…

Computation and Language · Computer Science 2025-02-19 António Farinhas , Nuno M. Guerreiro , Sweta Agrawal , Ricardo Rei , André F. T. Martins

How well can one expect transfer learning to work in a new setting where the domain is shifted, the task is different, and the architecture changes? Many transfer learning metrics have been proposed to answer this question. But how accurate…

Machine Learning · Computer Science 2025-06-11 Moein Sorkhei , Christos Matsoukas , Johan Fredin Haslum , Emir Konuk , Kevin Smith

Non-parametric, k-nearest-neighbor algorithms have recently made inroads to assist generative models such as language models and machine translation decoders. We explore whether such non-parametric models can improve machine translation…

Computation and Language · Computer Science 2023-05-24 Jiayi Wang , Ke Wang , Yuqi Zhang , Yu Zhao , Pontus Stenetorp

As Large Language Models (LLMs) become increasingly integrated into real-world, autonomous applications, relying on static, pre-annotated references for evaluation poses significant challenges in cost, scalability, and completeness. We…

Computation and Language · Computer Science 2025-06-23 Sher Badshah , Ali Emami , Hassan Sajjad

Quality Estimation (QE) models evaluate the quality of machine translations without reference translations, serving as the reward models for the translation task. Due to the data scarcity, synthetic data generation has emerged as a…

Computation and Language · Computer Science 2025-06-19 Xiang Geng , Zhejian Lai , Jiajun Chen , Hao Yang , Shujian Huang

Human evaluation of machine translation is in an arms race with translation model quality: as our models get better, our evaluation methods need to be improved to ensure that quality gains are not lost in evaluation noise. To this end, we…

Computation and Language · Computer Science 2025-10-29 Parker Riley , Daniel Deutsch , Mara Finkelstein , Colten DiIanni , Juraj Juraska , Markus Freitag

To achieve non-parametric NMT domain adaptation, $k$-Nearest-Neighbor Machine Translation ($k$NN-MT) constructs an external datastore to store domain-specific translation knowledge, which derives a $k$NN distribution to interpolate the…

Computation and Language · Computer Science 2024-06-11 Yan Gao , Zhiwei Cao , Zhongjian Miao , Baosong Yang , Shiyu Liu , Min Zhang , Jinsong Su

This paper presents a quantitative fine-grained manual evaluation approach to comparing the performance of different machine translation (MT) systems. We build upon the well-established Multidimensional Quality Metrics (MQM) error taxonomy…

Computation and Language · Computer Science 2018-02-13 Filip Klubička , Antonio Toral , Víctor M. Sánchez-Cartagena

In this paper, we present a novel method of no-reference image quality assessment (NR-IQA), which is to predict the perceptual quality score of a given image without using any reference image. The proposed method harnesses three functions…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Diqi Chen , Yizhou Wang , Tianfu Wu , Wen Gao