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Deep neural networks have achieved remarkable success for video-based action recognition. However, most of existing approaches cannot be deployed in practice due to the high computational cost. To address this challenge, we propose a new…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Kun Liu , Wu Liu , Huadong Ma , Mingkui Tan , Chuang Gan

We propose a unified compression framework that uses generative adversarial networks (GAN) to compress image and speech signals. The compressed signal is represented by a latent vector fed into a generator network which is trained to…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Bowen Liu , Ang Cao , Hun-seok Kim

Image reconstruction including image restoration and denoising is a challenging problem in the field of image computing. We present a new method, called X-GANs, for reconstruction of arbitrary corrupted resource based on a variant of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Longfei Liu , Sheng Li , Yisong Chen , Guoping Wang

Compressed sensing (CS) provides an elegant framework for recovering sparse signals from compressed measurements. For example, CS can exploit the structure of natural images and recover an image from only a few random measurements. CS is…

Machine Learning · Computer Science 2019-05-21 Yan Wu , Mihaela Rosca , Timothy Lillicrap

Video classification is a challenging task in computer vision. Although Deep Neural Networks (DNNs) have achieved excellent performance in video classification, recent research shows adding imperceptible perturbations to clean videos can…

Machine Learning · Computer Science 2019-09-12 Xiaojun Jia , Xingxing Wei , Xiaochun Cao

We propose GAN-Supervised Learning, a framework for learning discriminative models and their GAN-generated training data jointly end-to-end. We apply our framework to the dense visual alignment problem. Inspired by the classic Congealing…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 William Peebles , Jun-Yan Zhu , Richard Zhang , Antonio Torralba , Alexei A. Efros , Eli Shechtman

Refining visual representations by eliminating their internal feature-level redundancy is crucial for simultaneously optimizing the performance and computational cost of models in visual tracking. To enhance their performance, many…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Weijing Wu , Qihua Liang , Bineng Zhong , Haiying Xia , Zhiyi Mo , Shuxiang Song

The image tokenizer is a critical component in AR image generation, as it determines how rich and structured visual content is encoded into compact representations. Existing quantization-based tokenizers such as VQ-GAN primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Yiang Shi , Xiaoyang Guo , Wei Yin , Mingkai Jia , Qian Zhang , Xiaolin Hu , Wenyu Liu , Xinggang Wang

Existing video tokenizers typically use the traditional Variational Autoencoder (VAE) architecture for video compression and reconstruction. However, to achieve good performance, its training process often relies on complex multi-stage…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Nianzu Yang , Pandeng Li , Liming Zhao , Yang Li , Chen-Wei Xie , Yehui Tang , Xudong Lu , Zhihang Liu , Yun Zheng , Yu Liu , Junchi Yan

This work addresses the problems of semantic segmentation and image super-resolution by jointly considering the performance of both in training a Generative Adversarial Network (GAN). We propose a novel architecture and domain-specific…

Computer Vision and Pattern Recognition · Computer Science 2022-05-19 Tristan Frizza , Donald G. Dansereau , Nagita Mehr Seresht , Michael Bewley

The compression of real-world scanned 3D human dynamic meshes is an emerging research area, driven by applications such as telepresence, virtual reality, and 3D digital streaming. Unlike synthesized dynamic meshes with fixed topology,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Huong Hoang , Truong Nguyen , Pamela Cosman

As the most essential property in a video, motion information is critical to a robust and generalized video representation. To inject motion dynamics, recent works have adopted frame difference as the source of motion information in video…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Minghao Zhu , Xiao Lin , Ronghao Dang , Chengju Liu , Qijun Chen

Synthesizing high-quality realistic images from text descriptions is a challenging task. Existing text-to-image Generative Adversarial Networks generally employ a stacked architecture as the backbone yet still remain three flaws. First, the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Ming Tao , Hao Tang , Fei Wu , Xiao-Yuan Jing , Bing-Kun Bao , Changsheng Xu

Fine-grained action recognition is a challenging task in computer vision. As fine-grained datasets have small inter-class variations in spatial and temporal space, fine-grained action recognition model requires good temporal reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Mei Chee Leong , Haosong Zhang , Hui Li Tan , Liyuan Li , Joo Hwee Lim

Text-based 3D motion generation aims to automatically synthesize diverse motions from natural-language descriptions to extend user creativity, whereas motion editing modifies an existing motion sequence in response to text while preserving…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Sukhyun Jeong , Yong-Hoon Choi

The purpose of gesture recognition is to recognize meaningful movements of human bodies, and gesture recognition is an important issue in computer vision. In this paper, we present a multimodal gesture recognition method based on 3D densely…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Yi Zhang , Chong Wang , Ye Zheng , Jieyu Zhao , Yuqi Li , Xijiong Xie

Vision tokenizers have gained a lot of attraction due to their scalability and compactness; previous works depend on old-school GAN-based hyperparameters, biased comparisons, and a lack of comprehensive analysis of the scaling behaviours.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Jiangtao Wang , Zhen Qin , Yifan Zhang , Vincent Tao Hu , Björn Ommer , Rania Briq , Stefan Kesselheim

Unified models aim to support both understanding and generation by encoding images into discrete tokens and processing them alongside text within a single autoregressive framework. This unified design offers architectural simplicity and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Ziyao Wang , Chen Chen , Jingtao Li , Weiming Zhuang , Jiabo Huang , Ang Li , Lingjuan Lyu

Generative adversarial networks (GANs) have an enormous potential impact on digital content creation, e.g., photo-realistic digital avatars, semantic content editing, and quality enhancement of speech and images. However, the performance of…

Artificial Intelligence · Computer Science 2021-09-01 Pavel Andreev , Alexander Fritzler , Dmitry Vetrov

Localization technology is important for the development of indoor location-based services (LBS). Global Positioning System (GPS) becomes invalid in indoor environments due to the non-line-of-sight issue, so it is urgent to develop a…

Machine Learning · Computer Science 2017-11-09 Chenxiao Zhu , Lingqing Xu , Xiao-Yang Liu , Feng Qian