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A face morph is created by combining the face images usually pertaining to two distinct identities. The goal is to generate an image that can be matched with two identities thereby undermining the security of a face recognition system. To…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Nitish Shukla , Arun Ross

Recently, deep generative models have greatly advanced the progress of face video coding towards promising rate-distortion performance and diverse application functionalities. Beyond traditional hybrid video coding paradigms, Generative…

图像与视频处理 · 电气工程与系统科学 2024-10-14 Bolin Chen , Shanzhi Yin , Zihan Zhang , Jie Chen , Ru-Ling Liao , Lingyu Zhu , Shiqi Wang , Yan Ye

Most of the existing video face super-resolution (VFSR) methods are trained and evaluated on VoxCeleb1, which is designed specifically for speaker identification and the frames in this dataset are of low quality. As a consequence, the VFSR…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Liangbin Xie. Xintao Wang , Honglun Zhang , Chao Dong , Ying Shan

Diffusion models have been achieving remarkable performance in face restoration. However, the heavy computations hamper the widespread adoption of these models. In this work, we propose QuantFace, a novel low-bit quantization framework for…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Jiatong Li , Libo Zhu , Haotong Qin , Jingkai Wang , Linghe Kong , Guihai Chen , Yulun Zhang , Xiaokang Yang

As font is one of the core design concepts, automatic font identification and similar font suggestion from an image or photo has been on the wish list of many designers. We study the Visual Font Recognition (VFR) problem, and advance the…

计算机视觉与模式识别 · 计算机科学 2015-07-14 Zhangyang Wang , Jianchao Yang , Hailin Jin , Eli Shechtman , Aseem Agarwala , Jonathan Brandt , Thomas S. Huang

Quantum error correction (QEC) is essential for enabling quantum advantages, with decoding as a central algorithmic primitive. Owing to its importance and intrinsic difficulty, substantial effort has been made to QEC decoder design, among…

量子物理 · 物理学 2026-05-13 Ge Yan , Shanchuan Li , Yuxuan Du

Recently, Vector Quantized AutoRegressive (VQ-AR) models have shown remarkable results in text-to-image synthesis by equally predicting discrete image tokens from the top left to bottom right in the latent space. Although the simple…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Zhengcong Fei , Mingyuan Fan , Li Zhu , Junshi Huang

Many applications of quantum computing in the near term rely on variational quantum circuits (VQCs). They have been showcased as a promising model for reaching a quantum advantage in machine learning with current noisy intermediate scale…

量子物理 · 物理学 2022-10-25 Jonas Landman , Slimane Thabet , Constantin Dalyac , Hela Mhiri , Elham Kashefi

Vector Quantized Variational AutoEncoders (VQ-VAE) are a powerful representation learning framework that can discover discrete groups of features from a speech signal without supervision. Until now, the VQ-VAE architecture has previously…

音频与语音处理 · 电气工程与系统科学 2020-05-19 Yi Zhao , Haoyu Li , Cheng-I Lai , Jennifer Williams , Erica Cooper , Junichi Yamagishi

We present Channel-wise Vector Quantization (CVQ), a novel image tokenization paradigm that replaces patch-wise tokens with channel-wise tokens. Unlike conventional vector quantization, which assigns a discrete token to each patch feature…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Wei Song , Tianhang Wang , Yitong Chen , Tong Zhang , Zuxuan Wu , Ming Li , Jiaqi Wang , Kaicheng Yu

Quantum error correction (QEC) is essential for scalable quantum computing. However, it requires classical decoders that are fast and accurate enough to keep pace with quantum hardware. While quantum low-density parity-check codes have…

量子物理 · 物理学 2026-04-10 Andi Gu , J. Pablo Bonilla Ataides , Mikhail D. Lukin , Susanne F. Yelin

Blind Face Restoration (BFR) aims to construct a high-quality (HQ) face image from its corresponding low-quality (LQ) input. Recently, many BFR methods have been proposed and they have achieved remarkable success. However, these methods are…

计算机视觉与模式识别 · 计算机科学 2022-06-09 Puyang Zhang , Kaihao Zhang , Wenhan Luo , Changsheng Li , Guoren Wang

The existing face image super-resolution (FSR) algorithms usually train a specific model for a specific low input resolution for optimal results. By contrast, we explore in this work a unified framework that is trained once and then used to…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Qiuyu Peng , Zifei Jiang , Yan Huang , Jingliang Peng

In theory, vector quantization (VQ) is always better than scalar quantization (SQ) in terms of rate-distortion (R-D) performance. Recent state-of-the-art methods for neural image compression are mainly based on nonlinear transform coding…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Runsen Feng , Zongyu Guo , Weiping Li , Zhibo Chen

The growing context length of Large Language Models (LLMs) enlarges the Key-Value (KV) cache, limiting deployment in resource-limited environments. Prior training-free approaches for KV cache compression typically rely on low-rank…

计算与语言 · 计算机科学 2026-03-18 Yixuan Wang , Qingyu Shi , Jiayu Zhou , Dianbo Liu , Ziwei He , Zhouhan Lin

Product Quantization (PQ) has long been a mainstream for generating an exponentially large codebook at very low memory/time cost. Despite its success, PQ is still tricky for the decomposition of high-dimensional vector space, and the…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Lianli Gao , Xiaosu Zhu , Jingkuan Song , Zhou Zhao , Heng Tao Shen

The swift advancement in photo-realistic face generation technology has sparked considerable concerns across society and academia, emphasizing the requirement of generalizable face forgery detection and localization methods. Prior works…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Yaning Zhang , Tianyi Wang , Zan Gao , Yibo Zhao , Chunjie Ma , Meng Wang

Reconstructing topologically consistent facial geometry is crucial for the digital avatar creation pipelines. Existing methods either require tedious manual efforts, lack generalization to in-the-wild data, or are constrained by the limited…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Xin Ming , Yuxuan Han , Tianyu Huang , Feng Xu

Learned image compression has exhibited promising compression performance, but variable bitrates over a wide range remain a challenge. State-of-the-art variable rate methods compromise the loss of model performance and require numerous…

图像与视频处理 · 电气工程与系统科学 2023-03-13 Kedeng Tong , Yaojun Wu , Yue Li , Kai Zhang , Li Zhang , Xin Jin

Faces synthesized by diffusion models (DMs) with high-quality and controllable attributes pose a significant challenge for Deepfake detection. Most state-of-the-art detectors only yield a binary decision, incapable of forgery localization,…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Xinan He , Yue Zhou , Bing Fan , Bin Li , Guopu Zhu , Feng Ding