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Diffusion models can be improved with additional guidance towards more effective representations of input. Indeed, prior empirical work has already shown that aligning internal representations of the diffusion model with those of…

Machine Learning · Computer Science 2025-10-14 Chenyu Wang , Cai Zhou , Sharut Gupta , Zongyu Lin , Stefanie Jegelka , Stephen Bates , Tommi Jaakkola

Recent methods exploit the powerful text-to-image (T2I) diffusion models for real-world image super-resolution (Real-ISR) and achieve impressive results compared to previous models. However, we observe two kinds of inconsistencies in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Junhao Gu , Peng-Tao Jiang , Hao Zhang , Mi Zhou , Jinwei Chen , Wenming Yang , Bo Li

Flow models are effective at progressively generating realistic images, but they generally struggle to capture long-range dependencies during the generation process as they compress all the information from previous time steps into a single…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Mude Hui , Rui-Jie Zhu , Songlin Yang , Yu Zhang , Zirui Wang , Yuyin Zhou , Jason Eshraghian , Cihang Xie

Text-to-speech (TTS) methods have shown promising results in voice cloning, but they require a large number of labeled text-speech pairs. Minimally-supervised speech synthesis decouples TTS by combining two types of discrete speech…

Sound · Computer Science 2023-12-19 Chunyu Qiang , Hao Li , Yixin Tian , Yi Zhao , Ying Zhang , Longbiao Wang , Jianwu Dang

In recent years, diffusion based methods have emerged as a powerful paradigm for generative modeling. Although discrete diffusion for natural language processing has been explored to a lesser extent, it shows promise for tasks requiring…

Machine Learning · Computer Science 2025-03-25 Andrew Kiruluta , Andreas Lemos

Previously, non-autoregressive models were widely perceived as being superior in generation efficiency but inferior in generation quality due to the difficulties of modeling multiple target modalities. To enhance the multi-modality modeling…

Computation and Language · Computer Science 2023-11-30 Lihua Qian , Mingxuan Wang , Yang Liu , Hao Zhou

Sign language generation (SLG) aims to translate written texts into expressive sign motions, bridging communication barriers for the Deaf and Hard-of-Hearing communities. Recent studies formulate SLG within the language modeling framework…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Ronglai Zuo , Rolandos Alexandros Potamias , Qi Sun , Evangelos Ververas , Jiankang Deng , Stefanos Zafeiriou

Sign Language Production (SLP) is the tough task of turning sign language into sign videos. The main goal of SLP is to create these videos using a sign gloss. In this research, we've developed a new method to make high-quality sign videos…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Pan Xie , Taiyi Peng , Yao Du , Qipeng Zhang

Autoregressive models for text sometimes generate repetitive and low-quality output because errors accumulate during the steps of generation. This issue is often attributed to exposure bias - the difference between how a model is trained,…

Computation and Language · Computer Science 2024-03-26 Yizhe Zhang , Jiatao Gu , Zhuofeng Wu , Shuangfei Zhai , Josh Susskind , Navdeep Jaitly

Diffusion large language models (dLLMs) are emerging as promising alternatives to autoregressive (AR) LLMs. Recently, this paradigm has been extended to multimodal tasks, leading to the development of diffusion multimodal large language…

Artificial Intelligence · Computer Science 2026-04-08 Keuntae Kim , Mingyu Kang , Yong Suk Choi

Diffusion language models generate text through iterative refinement, a process that is often computationally inefficient because many tokens reach stability long before the final denoising step. We introduce a training-free, token-level…

Machine Learning · Computer Science 2026-02-12 Zahar Kohut , Severyn Shykula , Dmytro Khamula , Mykola Vysotskyi , Taras Rumezhak , Volodymyr Karpiv

Autoregressive models excel in sequential modeling and have proven to be effective for vision-language data. However, the spatial nature of visual signals conflicts with the sequential dependencies of next-token prediction, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Jiamian Wang , Ziqi Zhou , Chaithanya Kumar Mummadi , Sohail Dianat , Majid Rabbani , Raghuveer Rao , Chen Qiu , Zhiqiang Tao

Although autoregressive models have dominated language modeling in recent years, there has been a growing interest in exploring alternative paradigms to the conventional next-token prediction framework. Diffusion-based language models have…

Computation and Language · Computer Science 2025-10-23 Chihan Huang , Hao Tang

Current subject-driven image generation methods encounter significant challenges in person-centric image generation. The reason is that they learn the semantic scene and person generation by fine-tuning a common pre-trained diffusion, which…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Yibin Wang , Weizhong Zhang , Jianwei Zheng , Cheng Jin

A fundamental objective of manipulation policy design is to endow robots to comprehend human instructions, reason about scene cues, and execute generalized actions in dynamic environments. Recent autoregressive vision-language-action (VLA)…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Jiaming Liu , Hao Chen , Pengju An , Zhuoyang Liu , Renrui Zhang , Chenyang Gu , Xiaoqi Li , Ziyu Guo , Sixiang Chen , Mengzhen Liu , Chengkai Hou , Mengdi Zhao , KC alex Zhou , Pheng-Ann Heng , Shanghang Zhang

Large language models (LLMs) have become ubiquitous in practice and are widely used for generation tasks such as translation, summarization and instruction following. However, their enormous size and reliance on autoregressive decoding…

Machine Learning · Computer Science 2024-07-18 Benjamin Bergner , Andrii Skliar , Amelie Royer , Tijmen Blankevoort , Yuki Asano , Babak Ehteshami Bejnordi

In this paper, we propose SignLLM, a multilingual Sign Language Production (SLP) large language model, which includes two novel multilingual SLP modes MLSF and Prompt2LangGloss that allow sign language gestures generation from query texts…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Sen Fang , Chen Chen , Lei Wang , Ce Zheng , Chunyu Sui , Yapeng Tian

Sign Language Production (SLP) is a challenging task, given the limited resources available and the inherent diversity within sign data. As a result, previous works have suffered from the problem of regression to the mean, leading to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Harry Walsh , Ben Saunders , Richard Bowden

Sign language plays a crucial role in bridging communication gaps between the deaf and hard-of-hearing communities. However, existing sign language video generation models often rely on complex intermediate representations, which limits…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Liuzhou Zhang , Zeyu Zhang , Biao Wu , Luyao Tang , Zirui Song , Hongyang He , Renda Han , Guangzhen Yao , Huacan Wang , Ronghao Chen , Xiuying Chen , Guan Huang , Zheng Zhu

The complexity of Sign Language (SL) data processing brings many challenges. The current approach to recognition of SL signs aims to translate RGB sign language videos through pose information into Word-based ID Glosses, which serve to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Sen Fang , Yalin Feng , Chunyu Sui , Hongbin Zhong , Yanxin Zhang , Hongwei Yi , Hezhen Hu , Dimitris N. Metaxas