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Related papers: CoCo: Coherence-Enhanced Machine-Generated Text De…

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Detecting machine-generated text (MGT) from contemporary Large Language Models (LLMs) is increasingly crucial amid risks like disinformation and threats to academic integrity. Existing zero-shot detection paradigms, despite their…

Computation and Language · Computer Science 2025-08-19 Yue Wang , Liesheng Wei , Yuxiang Wang

Contrastive learning has become pivotal in unsupervised representation learning, with frameworks like Momentum Contrast (MoCo) effectively utilizing large negative sample sets to extract discriminative features. However, traditional…

Machine Learning · Computer Science 2025-01-29 Duy Hoang , Huy Ngo , Khoi Pham , Tri Nguyen , Gia Bao , Huy Phan

While text-to-image generative models can synthesize diverse and faithful content, subject variation across multiple generations limits their application to long-form content generation. Existing approaches require time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Lee Hsin-Ying , Kelvin C. K. Chan , Ming-Hsuan Yang

We present Momentum Contrast (MoCo) for unsupervised visual representation learning. From a perspective on contrastive learning as dictionary look-up, we build a dynamic dictionary with a queue and a moving-averaged encoder. This enables…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Kaiming He , Haoqi Fan , Yuxin Wu , Saining Xie , Ross Girshick

As Large Language Models (LLMs) become increasingly prevalent, their generated outputs are proliferating across the web, risking a future where machine-generated content dilutes human-authored text. Since online data is the primary resource…

Computation and Language · Computer Science 2025-09-23 George Drayson , Emine Yilmaz , Vasileios Lampos

Modern language models can generate high-quality short texts. However, they often meander or are incoherent when generating longer texts. These issues arise from the next-token-only language modeling objective. Recent work in…

Computation and Language · Computer Science 2023-05-12 Rose E Wang , Esin Durmus , Noah Goodman , Tatsunori Hashimoto

In the Text-to-speech(TTS) task, the latent diffusion model has excellent fidelity and generalization, but its expensive resource consumption and slow inference speed have always been a challenging. This paper proposes Discrete Diffusion…

Sound · Computer Science 2023-09-14 Zhichao Wu , Qiulin Li , Sixing Liu , Qun Yang

Contrastive learning has been widely used to train transformer-based vision-language models for video-text alignment and multi-modal representation learning. This paper presents a new algorithm called Token-Aware Cascade contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jianwei Yang , Yonatan Bisk , Jianfeng Gao

General large language models (LLMs) such as ChatGPT have shown remarkable success, but it has also raised concerns among people about the misuse of AI-generated texts. Therefore, an important question is how to detect whether the texts are…

Computation and Language · Computer Science 2023-10-24 Rongsheng Wang , Qi Li , Sihong Xie

We show that bringing intermediate layers' representations of two augmented versions of an image closer together in self-supervised learning helps to improve the momentum contrastive (MoCo) method. To this end, in addition to the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Aakash Kaku , Sahana Upadhya , Narges Razavian

Psychological studies have shown that Micro Gestures (MG) are closely linked to human emotions. MG-based emotion understanding has attracted much attention because it allows for emotion understanding through nonverbal body gestures without…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Deng Li , Bohao Xing , Xin Liu

Large language models (LLMs) are trained on huge amounts of textual data, and concerns have been raised that the limits of such data may soon be reached. A potential solution is to train on synthetic data sampled from LLMs. In this work, we…

Computation and Language · Computer Science 2025-10-10 Jannek Ulm , Kevin Du , Vésteinn Snæbjarnarson

Given a language model (LM), maximum probability is a poor decoding objective for open-ended generation, because it produces short and repetitive text. On the other hand, sampling can often produce incoherent text that drifts from the…

Computation and Language · Computer Science 2023-07-13 Xiang Lisa Li , Ari Holtzman , Daniel Fried , Percy Liang , Jason Eisner , Tatsunori Hashimoto , Luke Zettlemoyer , Mike Lewis

Current techniques for detecting AI-generated text are largely confined to manual feature crafting and supervised binary classification paradigms. These methodologies typically lead to performance bottlenecks and unsatisfactory…

Computation and Language · Computer Science 2024-10-29 Xun Guo , Shan Zhang , Yongxin He , Ting Zhang , Wanquan Feng , Haibin Huang , Chongyang Ma

As textual attributes like font are core design elements of document format and page style, automatic attributes recognition favor comprehensive practical applications. Existing approaches already yield satisfactory performance in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Chang Nie , Yiqing Hu , Yanqiu Qu , Hao Liu , Deqiang Jiang , Bo Ren

Contrastive learning has been successfully used for retrieval of semantically aligned sentences, but it often requires large batch sizes or careful engineering to work well. In this paper, we instead propose a generative model for learning…

Computation and Language · Computer Science 2023-06-06 John Wieting , Jonathan H. Clark , William W. Cohen , Graham Neubig , Taylor Berg-Kirkpatrick

We present a self-supervised learning framework, COCO-LM, that pretrains Language Models by COrrecting and COntrasting corrupted text sequences. Following ELECTRA-style pretraining, COCO-LM employs an auxiliary language model to corrupt…

Computation and Language · Computer Science 2021-10-28 Yu Meng , Chenyan Xiong , Payal Bajaj , Saurabh Tiwary , Paul Bennett , Jiawei Han , Xia Song

Classifying and segmenting patterns from a limited number of examples is a significant challenge in remote sensing and earth observation due to the difficulty in acquiring accurately labeled data in large quantities. Previous studies have…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Jing Wu , Naira Hovakimyan , Jennifer Hobbs

Machine-generated texts (MGTs) produced by large language models (LLMs) are increasingly prevalent across various applications, while their potential misuse in fake news propagation and phishing has raised serious concerns, highlighting the…

Computation and Language · Computer Science 2026-05-25 Chenwang Wu , Yiu-ming Cheung , Bo Han , Defu Lian

The output of text-to-image synthesis systems should be coherent, clear, photo-realistic scenes with high semantic fidelity to their conditioned text descriptions. Our Cross-Modal Contrastive Generative Adversarial Network (XMC-GAN)…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Han Zhang , Jing Yu Koh , Jason Baldridge , Honglak Lee , Yinfei Yang