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Related papers: Epsilon-VAE: Denoising as Visual Decoding

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Advances in latent diffusion models (LDMs) have revolutionized high-resolution image generation, but the design space of the autoencoder that is central to these systems remains underexplored. In this paper, we introduce LiteVAE, a new…

Machine Learning · Computer Science 2025-01-22 Seyedmorteza Sadat , Jakob Buhmann , Derek Bradley , Otmar Hilliges , Romann M. Weber

We propose an approach to symbolic regression based on a novel variational autoencoder for generating hierarchical structures, HVAE. It combines simple atomic units with shared weights to recursively encode and decode the individual nodes…

Machine Learning · Computer Science 2023-09-12 Sebastian Mežnar , Sašo Džeroski , Ljupčo Todorovski

Although there have been significant advancements in image compression techniques, such as standard and learned codecs, these methods still suffer from severe quality degradation at extremely low bits per pixel. While recent diffusion-based…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Chanung Park , Joo Chan Lee , Jong Hwan Ko

Diffusion models, widely used in image generation, rely on iterative refinement to generate images from noise. Understanding this data evolution is important for model development and interpretability, yet challenging due to its…

Computer Vision and Pattern Recognition · Computer Science 2024-12-12 Vidya Prasad , Hans van Gorp , Christina Humer , Ruud J. G. van Sloun , Anna Vilanova , Nicola Pezzotti

Variational Autoencoder (VAE), a simple and effective deep generative model, has led to a number of impressive empirical successes and spawned many advanced variants and theoretical investigations. However, recent studies demonstrate that,…

Machine Learning · Computer Science 2019-01-08 Xuezhe Ma , Chunting Zhou , Eduard Hovy

This work introduces a Transformer-based image compression system. It has the flexibility to switch between the standard image reconstruction and the denoising reconstruction from a single compressed bitstream. Instead of training separate…

Image and Video Processing · Electrical Eng. & Systems 2024-02-21 Yi-Hsin Chen , Kuan-Wei Ho , Shiau-Rung Tsai , Guan-Hsun Lin , Alessandro Gnutti , Wen-Hsiao Peng , Riccardo Leonardi

In the rapidly advancing field of image generation, Visual Auto-Regressive (VAR) modeling has garnered considerable attention for its innovative next-scale prediction approach. This paradigm offers substantial improvements in efficiency,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-28 Zigeng Chen , Xinyin Ma , Gongfan Fang , Xinchao Wang

Latent diffusion models have emerged as the leading approach for generating high-quality images and videos, utilizing compressed latent representations to reduce the computational burden of the diffusion process. While recent advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Ivan Skorokhodov , Sharath Girish , Benran Hu , Willi Menapace , Yanyu Li , Rameen Abdal , Sergey Tulyakov , Aliaksandr Siarohin

Benefited from the deep learning, image Super-Resolution has been one of the most developing research fields in computer vision. Depending upon whether using a discriminator or not, a deep convolutional neural network can provide an image…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zhi-Song Liu , Wan-Chi Siu , Li-Wen Wang , Chu-Tak Li , Marie-Paule Cani , Yui-Lam Chan

Modern visual generative models acquire rich visual knowledge through large-scale training, yet existing visual representations (such as pixels, latents, or tokens) remain external to the model and cannot directly exploit this knowledge for…

Machine Learning · Computer Science 2026-05-25 Zongyu Guo , Jiajun He , Zhaoyang Jia , Xiaoyi Zhang , Jiahao Li , Xiao Li , Bin Li , José Miguel Hernández-Lobato , Yan Lu

Autoencoders are a type of unsupervised neural networks, which can be used to solve various tasks, e.g., dimensionality reduction, image compression, and image denoising. An AE has two goals: (i) compress the original input to a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

Recent research has shown a strong theoretical connection between variational autoencoders (VAEs) and the rate-distortion theory. Motivated by this, we consider the problem of lossy image compression from the perspective of generative…

Image and Video Processing · Electrical Eng. & Systems 2023-03-28 Zhihao Duan , Ming Lu , Zhan Ma , Fengqing Zhu

Deep generative models have been praised for their ability to learn smooth latent representation of images, text, and audio, which can then be used to generate new, plausible data. However, current generative models are unable to work with…

Machine Learning · Computer Science 2019-09-09 Bidisha Samanta , Abir De , Gourhari Jana , Pratim Kumar Chattaraj , Niloy Ganguly , Manuel Gomez-Rodriguez

As one of the most popular generative models, Variational Autoencoder (VAE) approximates the posterior of latent variables based on amortized variational inference. However, when the decoder network is sufficiently expressive, VAE may lead…

Machine Learning · Computer Science 2021-10-26 Dazhong Shen , Chuan Qin , Chao Wang , Hengshu Zhu , Enhong Chen , Hui Xiong

Inspired by recent advances in diffusion models, which are reminiscent of denoising autoencoders, we investigate whether they can acquire discriminative representations for classification via generative pre-training. This paper shows that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Weilai Xiang , Hongyu Yang , Di Huang , Yunhong Wang

Traditional transformer-based semantic segmentation relies on quantized embeddings. However, our analysis reveals that autoencoder accuracy on segmentation mask using quantized embeddings (e.g. VQ-VAE) is 8% lower than continuous-valued…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Masud Ahmed , Zahid Hasan , Syed Arefinul Haque , Abu Zaher Md Faridee , Sanjay Purushotham , Suya You , Nirmalya Roy

Autoregressive (AR) models have recently shown strong performance in image generation, where a critical component is the visual tokenizer (VT) that maps continuous pixel inputs to discrete token sequences. The quality of the VT largely…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Huawei Lin , Tong Geng , Zhaozhuo Xu , Weijie Zhao

Visual autoregressive (AR) generation offers a promising path toward unifying vision and language models, yet its performance remains suboptimal against diffusion models. Prior work often attributes this gap to tokenizer limitations and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Qiyuan He , Yicong Li , Haotian Ye , Jinghao Wang , Xinyao Liao , Pheng-Ann Heng , Stefano Ermon , James Zou , Angela Yao

Recent 3D content generation pipelines commonly employ Variational Autoencoders (VAEs) to encode shapes into compact latent representations for diffusion-based generation. However, the widely adopted uniform point sampling strategy in Shape…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Rui Chen , Jianfeng Zhang , Yixun Liang , Guan Luo , Weiyu Li , Jiarui Liu , Xiu Li , Xiaoxiao Long , Jiashi Feng , Ping Tan

There has been a longstanding belief that generation can facilitate a true understanding of visual data. In line with this, we revisit generatively pre-training visual representations in light of recent interest in denoising diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Chen Wei , Karttikeya Mangalam , Po-Yao Huang , Yanghao Li , Haoqi Fan , Hu Xu , Huiyu Wang , Cihang Xie , Alan Yuille , Christoph Feichtenhofer