中文
相关论文

相关论文: Improving Neural Response Diversity with Frequency…

200 篇论文

Cross-entropy (CE) training provides dense and scalable supervision for language models, but it optimizes next-token prediction under teacher forcing rather than sequence-level behavior under model rollouts. We introduce a feature-matching…

机器学习 · 计算机科学 2026-03-17 Samy Jelassi , Mujin Kwun , Rosie Zhao , Yuanzhi Li , Nicolo Fusi , Yilun Du , Sham M. Kakade , Carles Domingo-Enrich

This paper proposes an any-to-many location-relative, sequence-to-sequence (seq2seq), non-parallel voice conversion approach, which utilizes text supervision during training. In this approach, we combine a bottle-neck feature extractor…

音频与语音处理 · 电气工程与系统科学 2021-05-25 Songxiang Liu , Yuewen Cao , Disong Wang , Xixin Wu , Xunying Liu , Helen Meng

In Sequential Recommendation Systems (SRecsys), traditional training approaches that rely on Cross-Entropy (CE) loss often prioritize accuracy but fail to align well with user satisfaction metrics. CE loss focuses on maximizing the…

信息检索 · 计算机科学 2025-02-21 Chen Wang , Fangxin Wang , Ruocheng Guo , Yueqing Liang , Philip S. Yu

Facial expressions convey massive information and play a crucial role in emotional expression. Deep neural network (DNN) accompanied by deep metric learning (DML) techniques boost the discriminative ability of the model in facial expression…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Hossein Rajoli , Fatemeh Lotfi , Adham Atyabi , Fatemeh Afghah

We propose the Linearly Adaptive Cross Entropy Loss function. This is a novel measure derived from the information theory. In comparison to the standard cross entropy loss function, the proposed one has an additional term that depends on…

机器学习 · 计算机科学 2025-07-16 Jae Wan Shim

This paper studies cross-domain lossy compression through the lens of minimum entropy coupling (MEC) with rate and classification constraints. In this setting, an encoder observes samples from a degraded source domain, while the decoder is…

信息论 · 计算机科学 2026-05-12 Nam Nguyen , Hassan Tavakoli , An Vuong , Thinh Nguyen , Bella Bose

Training accurate deep neural networks (DNNs) in the presence of noisy labels is an important and challenging task. Though a number of approaches have been proposed for learning with noisy labels, many open issues remain. In this paper, we…

机器学习 · 计算机科学 2019-08-20 Yisen Wang , Xingjun Ma , Zaiyi Chen , Yuan Luo , Jinfeng Yi , James Bailey

This paper describes one objective function for learning semantically coherent feature embeddings in multi-output classification problems, i.e., when the response variables have dimension higher than one. In particular, we consider the…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Hugo Proença , Ehsan Yaghoubi , Pendar Alirezazadeh

Sequence-to-sequence models have been applied to the conversation response generation problem where the source sequence is the conversation history and the target sequence is the response. Unlike translation, conversation responding is…

计算与语言 · 计算机科学 2017-08-01 Louis Shao , Stephan Gouws , Denny Britz , Anna Goldie , Brian Strope , Ray Kurzweil

Reinforcement Learning with Verifiable Rewards (RLVR) has become a central approach for improving the reasoning ability of large language models. Recent work studies RLVR through token entropy, arguing that high-entropy tokens drive…

机器学习 · 计算机科学 2025-12-02 Xinzhu Chen , Xuesheng Li , Zhongxiang Sun , Weijie Yu

Recent end-to-end deep neural networks for disparity regression have achieved the state-of-the-art performance. However, many well-acknowledged specific properties of disparity estimation are omitted in these deep learning algorithms.…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Yang Chen , Zongqing Lu , Xuechen Zhang , Lei Chen , Qingmin Liao

Radio speech echo is a specific phenomenon in the air traffic control (ATC) domain, which degrades speech quality and further impacts automatic speech recognition (ASR) accuracy. In this work, a time-domain recognition-oriented speech…

声音 · 计算机科学 2024-07-31 Xincheng Yu , Dongyue Guo , Jianwei Zhang , Yi Lin

Multi-class classification problems often have many semantically similar classes. For example, 90 of ImageNet's 1000 classes are for different breeds of dog. We should expect that these semantically similar classes will have similar…

机器学习 · 计算机科学 2022-04-19 Yujie Wang , Mike Izbicki

LLMs' overconfidence, particularly when hallucinating, poses a significant challenge for the deployment of the models in safety-critical settings and makes a reliable estimation of uncertainty necessary. Existing approaches for uncertainty…

机器学习 · 计算机科学 2026-05-26 Hamed Karimi , Vaishali Meyappan , Reza Samavi

Diffusion Transformer (DiT) has exhibited impressive generation capabilities but faces great challenges due to its high computational complexity. To address this issue, various methods, notably feature caching, have been introduced.…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Zhen Zou , Feng Zhao

Generating synthetic fake faces, known as pseudo-fake faces, is an effective way to improve the generalization of DeepFake detection. Existing methods typically generate these faces by blending real or fake faces in spatial domain. While…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Hanzhe Li , Jiaran Zhou , Yuezun Li , Baoyuan Wu , Bin Li , Junyu Dong

Transformer-based models have made tremendous impacts in natural language generation. However the inference speed is a bottleneck due to large model size and intensive computing involved in auto-regressive decoding process. We develop…

计算与语言 · 计算机科学 2021-07-14 Yu Yan , Fei Hu , Jiusheng Chen , Nikhil Bhendawade , Ting Ye , Yeyun Gong , Nan Duan , Desheng Cui , Bingyu Chi , Ruofei Zhang

We explore loss functions for fact verification in the FEVER shared task. While the cross-entropy loss is a standard objective for training verdict predictors, it fails to capture the heterogeneity among the FEVER verdict classes. In this…

计算与语言 · 计算机科学 2024-03-14 Yuta Mukobara , Yutaro Shigeto , Masashi Shimbo

Is it possible to train several classifiers to perform meaningful crowd-sourcing to produce a better prediction label set without ground-truth annotation? This paper will modify the contrastive learning objectives to automatically train a…

机器学习 · 计算机科学 2022-05-24 Sue Sin Chong

Most segmentation losses are arguably variants of the Cross-Entropy (CE) or Dice losses. On the surface, these two categories of losses seem unrelated, and there is no clear consensus as to which category is a better choice, with varying…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Bingyuan Liu , Jose Dolz , Adrian Galdran , Riadh Kobbi , Ismail Ben Ayed