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Inspired by the success of deep neural networks (DNNs) in speech processing, this paper presents Deep Vocoder, a direct end-to-end low bit rate speech compression method with deep autoencoder (DAE). In Deep Vocoder, DAE is used for…

多媒体 · 计算机科学 2019-05-15 Gang Min , Changqing Zhang , Xiongwei Zhang , Wei Tan

The proliferation of deepfake faces poses huge potential negative impacts on our daily lives. Despite substantial advancements in deepfake detection over these years, the generalizability of existing methods against forgeries from unseen…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Kaiqing Lin , Yuzhen Lin , Weixiang Li , Taiping Yao , Bin Li

We propose an efficient logical layer-based reconciliation method for continuous-variable quantum key distribution (CVQKD) to extract binary information from correlated Gaussian variables. We demonstrate that by operating on the raw-data…

量子物理 · 物理学 2018-01-09 Laszlo Gyongyosi , Sandor Imre

Built upon vector quantization (VQ), discrete audio codec models have achieved great success in audio compression and auto-regressive audio generation. However, existing models face substantial challenges in perceptual quality and signal…

音频与语音处理 · 电气工程与系统科学 2024-09-20 Zhikang Niu , Sanyuan Chen , Long Zhou , Ziyang Ma , Xie Chen , Shujie Liu

With the growing demand for video applications, many advanced learned video compression methods have been developed, outperforming traditional methods in terms of objective quality metrics such as PSNR. Existing methods primarily focus on…

图像与视频处理 · 电气工程与系统科学 2023-10-10 Meng Li , Yibo Shi , Jing Wang , Yunqi Huang

Speech restoration aims to remove distortions in speech signals. Prior methods mainly focus on a single type of distortion, such as speech denoising or dereverberation. However, speech signals can be degraded by several different…

音频与语音处理 · 电气工程与系统科学 2023-10-10 Haohe Liu , Xubo Liu , Qiuqiang Kong , Qiao Tian , Yan Zhao , DeLiang Wang , Chuanzeng Huang , Yuxuan Wang

With recent advances in deep learning, numerous algorithms have been developed to enhance video quality, reduce visual artifacts, and improve perceptual quality. However, little research has been reported on the quality assessment of…

图像与视频处理 · 电气工程与系统科学 2025-06-10 Tianhao Peng , Chen Feng , Duolikun Danier , Fan Zhang , Benoit Vallade , Alex Mackin , David Bull

Although two-stage Vector Quantized (VQ) generative models allow for synthesizing high-fidelity and high-resolution images, their quantization operator encodes similar patches within an image into the same index, resulting in a repeated…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Chuanxia Zheng , Long Tung Vuong , Jianfei Cai , Dinh Phung

Scalable Vector Graphics (SVG) are an essential format for technical illustration and digital design, offering precise resolution independence and flexible semantic editability. In practice, however, original vector source files are…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Qijia He , Xunmei Liu , Hammaad Memon , Ziang Li , Zixian Ma , Jaemin Cho , Jason Ren , Daniel S Weld , Ranjay Krishna

Plastic surgery and disguise variations are two of the most challenging co-variates of face recognition. The state-of-art deep learning models are not sufficiently successful due to the availability of limited training samples. In this…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Saksham Suri , Anush Sankaran , Mayank Vatsa , Richa Singh

Multimodal code generation has garnered significant interest within the research community. Despite the notable success of recent vision-language models (VLMs) on specialized tasks like chart-to-code generation, their reliance on…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Xuanle Zhao , Deyang Jiang , Zhixiong Zeng , Lei Chen , Haibo Qiu , Jing Huang , Yufeng Zhong , Liming Zheng , Yilin Cao , Lin Ma

Prior foveated rendering methods often suffer from a limitation where the shading load escalates with increasing display resolution, leading to decreased efficiency, particularly when dealing with retinal-level resolutions. To tackle this…

图形学 · 计算机科学 2025-04-14 Zhi Zhang , Meng Gai , Sheng Li

Recovering a photorealistic face from an artistic portrait is a challenging task since crucial facial details are often distorted or completely lost in artistic compositions. To handle this loss, we propose an Attribute-guided Face Recovery…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Fatemeh Shiri , Xin Yu , Fatih Porikli , Richard Hartley , Piotr Koniusz

Knowledge-based visual question answering (KB-VQA) requires visual language models (VLMs) to integrate visual understanding with external knowledge retrieval. Although retrieval-augmented generation (RAG) achieves significant advances in…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yuyang Hong , Jiaqi Gu , Qi Yang , Lubin Fan , Yue Wu , Ying Wang , Kun Ding , Shiming Xiang , Jieping Ye

Recently, video language models (VLMs) have been applied in various fields. However, the visual token sequence of the VLM is too long, which may cause intolerant inference latency and GPU memory usage. Existing methods propose…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Wei Tao , Xiaoyang Qu , Peiqiang Wang , Guokuan Li , Jiguang Wan , Kai Lu , Jianzong Wang

In this work, we design and implement VQ-LLM, an efficient fused Vector Quantization (VQ) kernel generation framework. We first introduce a software abstraction called codebook cache to optimize codebook access efficiency and support the…

分布式、并行与集群计算 · 计算机科学 2025-07-01 Zihan Liu , Xinhao Luo , Junxian Guo , Wentao Ni , Yangjie Zhou , Yue Guan , Cong Guo , Weihao Cui , Yu Feng , Minyi Guo , Yuhao Zhu , Minjia Zhang , Jingwen Leng , Chen Jin

Given that the factors influencing image quality vary significantly with scene, content, and distortion type, particularly in the context of regional heterogeneity, we propose an adaptive multi-quality factor (AMqF) framework to represent…

图像与视频处理 · 电气工程与系统科学 2024-12-25 Xuting Lan , Mingliang Zhou , Jielu Yan , Xuekai Wei , Yueting Huang , Zhaowei Shang , Huayan Pu

Cross-model retrieval has emerged as one of the most important upgrades for text-only search engines (SE). Recently, with powerful representation for pairwise text-image inputs via early interaction, the accuracy of vision-language (VL)…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Lisai Zhang , Hongfa Wu , Qingcai Chen , Yimeng Deng , Zhonghua Li , Dejiang Kong , Zhao Cao , Joanna Siebert , Yunpeng Han

The challenge of tracing the source attribution of forged faces has gained significant attention due to the rapid advancement of generative models. However, existing deepfake attribution (DFA) works primarily focus on the interaction among…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Yaning Zhang , Jiahe Zhang , Chunjie Ma , Weili Guan , Tian Gan , Zan Gao

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu