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We present the vector quantized diffusion (VQ-Diffusion) model for text-to-image generation. This method is based on a vector quantized variational autoencoder (VQ-VAE) whose latent space is modeled by a conditional variant of the recently…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Shuyang Gu , Dong Chen , Jianmin Bao , Fang Wen , Bo Zhang , Dongdong Chen , Lu Yuan , Baining Guo

Numerous models have been developed for scanpath and saliency prediction, which are typically trained on scanpaths, which model eye movement as a sequence of discrete fixation points connected by saccades, while the rich information…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Ozgur Kara , Harris Nisar , James M. Rehg

Variational autoencoders (VAEs) are widely used deep generative models capable of learning unsupervised latent representations of data. Such representations are often difficult to interpret or control. We consider the problem of…

Machine Learning · Computer Science 2018-12-18 Jack Klys , Jake Snell , Richard Zemel

Audio-driven simultaneous gesture generation is vital for human-computer communication, AI games, and film production. While previous research has shown promise, there are still limitations. Methods based on VAEs are accompanied by issues…

Sound · Computer Science 2024-11-04 Yongkang Cheng , Mingjiang Liang , Shaoli Huang , Gaoge Han , Jifeng Ning , Wei Liu

Variational auto-encoders (VAEs) are deep generative latent variable models that can be used for learning the distribution of complex data. VAEs have been successfully used to learn a probabilistic prior over speech signals, which is then…

Sound · Computer Science 2020-12-18 Mostafa Sadeghi , Simon Leglaive , Xavier Alameda-PIneda , Laurent Girin , Radu Horaud

Deep generative models applied to audio have improved by a large margin the state-of-the-art in many speech and music related tasks. However, as raw waveform modelling remains an inherently difficult task, audio generative models are either…

Machine Learning · Computer Science 2021-12-16 Antoine Caillon , Philippe Esling

Generative models such as Variational Autoencoders (VAEs) and Generative Adversarial Networks (GANs) have shown promise in sequential recommendation tasks. However, they face challenges, including posterior collapse and limited…

Machine Learning · Computer Science 2024-10-28 Sharare Zolghadr , Ole Winther , Paul Jeha

Video variational autoencoders (VAEs) used in latent diffusion models typically require a sufficiently large number of latent channels to ensure high-quality video reconstruction. However, recent studies have revealed that an excessive…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jiarui Guan , Wenshuai Zhao , Zhengtao Zou , Juho Kannala , Arno Solin

Diffusion models, which can be viewed as a special case of hierarchical variational autoencoders (HVAEs), have shown profound success in generating photo-realistic images. In contrast, standard HVAEs often produce images of inferior quality…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Wenlong Chen , Wenlin Chen , Lapo Rastrelli , Yingzhen Li

Image synthesis under multi-modal priors is a useful and challenging task that has received increasing attention in recent years. A major challenge in using generative models to accomplish this task is the lack of paired data containing all…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M Patel

Generating high-quality 3D assets from text and images has long been challenging, primarily due to the absence of scalable 3D representations capable of capturing intricate geometry distributions. In this work, we introduce Direct3D, a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Shuang Wu , Youtian Lin , Feihu Zhang , Yifei Zeng , Jingxi Xu , Philip Torr , Xun Cao , Yao Yao

BEV perception is of great importance in the field of autonomous driving, serving as the cornerstone of planning, controlling, and motion prediction. The quality of the BEV feature highly affects the performance of BEV perception. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Jiayu Zou , Zheng Zhu , Yun Ye , Xingang Wang

Generating high-quality Scalable Vector Graphics (SVGs) from text remains a significant challenge. Existing LLM-based models that generate SVG code as a flat token sequence struggle with poor structural understanding and error accumulation,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Ximing Xing , Juncheng Hu , Ziteng Xue , Jing Zhang , Buyu Li , Sheng Wang , Dong Xu , Qian Yu

Conditional discrete generative models struggle to faithfully compose multiple input conditions. To address this, we derive a theoretically-grounded formulation for composing discrete probabilistic generative processes, with masked…

Machine Learning · Computer Science 2026-04-08 Jamie Stirling , Noura Al-Moubayed , Chris G. Willcocks , Hubert P. H. Shum

Conditional discrete generative models struggle to faithfully compose multiple input conditions. To address this, we derive a theoretically-grounded formulation for composing discrete probabilistic generative processes, with masked…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Jamie Stirling , Noura Al-Moubayed , Chris G. Willcocks , Hubert P. H. Shum

Generative modeling within constrained sets is essential for scientific and engineering applications involving physical, geometric, or safety requirements (e.g., molecular generation, robotics). We present a unified framework for…

Machine Learning · Computer Science 2026-04-21 Kijung Jeon , Michael Muehlebach , Molei Tao

Deep hierarchical variational autoencoders (VAEs) are powerful latent variable generative models. In this paper, we introduce Hierarchical VAE with Diffusion-based Variational Mixture of the Posterior Prior (VampPrior). We apply…

Machine Learning · Computer Science 2024-12-03 Anna Kuzina , Jakub M. Tomczak

Denoising diffusion probabilistic models (DDPMs) have achieved impressive performance on various image generation tasks, including image super-resolution. By learning to reverse the process of gradually diffusing the data distribution into…

Image and Video Processing · Electrical Eng. & Systems 2023-07-25 Kai Zhao , Alex Ling Yu Hung , Kaifeng Pang , Haoxin Zheng , Kyunghyun Sung

Recently, molecule generation using deep learning has been actively investigated in drug discovery. In this field, Transformer and VAE are widely used as powerful models, but they are rarely used in combination due to structural and…

Biomolecules · Quantitative Biology 2024-04-08 Yasuhiro Yoshikai , Tadahaya Mizuno , Shumpei Nemoto , Hiroyuki Kusuhara

Recent studies have introduced a new class of generative models for synthesizing implicit neural representations (INRs) that capture arbitrary continuous signals in various domains. These models opened the door for domain-agnostic…

Machine Learning · Computer Science 2024-03-21 Dogyun Park , Sihyeon Kim , Sojin Lee , Hyunwoo J. Kim