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Video Quality Assessment (VQA), which intends to predict the perceptual quality of videos, has attracted increasing attention. Due to factors like motion blur or specific distortions, the quality of different regions in a video varies.…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Yunpeng Qu , Kun Yuan , Qizhi Xie , Ming Sun , Chao Zhou , Jian Wang

How can we accurately quantize a pre-trained Vision Transformer model? Quantization algorithms compress Vision Transformers (ViTs) into low-bit formats, reducing memory and computation demands with minimal accuracy degradation. However,…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Minjun Kim , Jaeri Lee , Jongjin Kim , Jeongin Yun , Yongmo Kwon , U Kang

Vector quantization(VQ) is a lossy data compression technique from signal processing for which simple competitive learning is one standard method to quantize patterns from the input space. Extending competitive learning VQ to the domain of…

计算机视觉与模式识别 · 计算机科学 2010-01-07 Brijnesh J. Jain , Klaus Obermayer

The reliability of segmentation models in the medical domain depends on the model's robustness to perturbations in the input space. Robustness is a particular challenge in medical imaging exhibiting various sources of image noise,…

图像与视频处理 · 电气工程与系统科学 2022-07-06 Ainkaran Santhirasekaram , Avinash Kori , Mathias Winkler , Andrea Rockall , Ben Glocker

Due to the spectral sensitivity phenomenon of the Human Visual System (HVS), the color channels of raw RGB 4:4:4 sequences contain significant psychovisual redundancies; these redundancies can be perceptually quantized. The default…

多媒体 · 计算机科学 2020-05-19 Lee Prangnell , Victor Sanchez

Text-to-image diffusion models have emerged as a powerful framework for high-quality image generation given textual prompts. Their success has driven the rapid development of production-grade diffusion models that consistently increase in…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Vage Egiazarian , Denis Kuznedelev , Anton Voronov , Ruslan Svirschevski , Michael Goin , Daniil Pavlov , Dan Alistarh , Dmitry Baranchuk

Video prediction is a pixel-wise dense prediction task to infer future frames based on past frames. Missing appearance details and motion blur are still two major problems for current predictive models, which lead to image distortion and…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Beibei Jin , Yu Hu , Qiankun Tang , Jingyu Niu , Zhiping Shi , Yinhe Han , Xiaowei Li

With the rapid development of multimedia processing and deep learning technologies, especially in the field of video understanding, video quality assessment (VQA) has achieved significant progress. Although researchers have moved from…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Jiebin Yan , Lei Wu , Yuming Fang , Xuelin Liu , Xue Xia , Weide Liu

Deep learning-based semantic communication has largely relied on analog or semi-digital transmission, which limits compatibility with modern digital communication infrastructures. Recent studies have employed vector quantization (VQ) to…

信号处理 · 电气工程与系统科学 2025-10-22 Zian Meng , Qiang Li , Wenqian Tang , Mingdie Yan , Xiaohu Ge

Predicting the future frames of a video is a challenging task, in part due to the underlying stochastic real-world phenomena. Prior approaches to solve this task typically estimate a latent prior characterizing this stochasticity, however…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Moitreya Chatterjee , Narendra Ahuja , Anoop Cherian

Video Quality Assessment (VQA), which aims to predict the perceptual quality of a video, has attracted raising attention with the rapid development of streaming media technology, such as Facebook, TikTok, Kwai, and so on. Compared with…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Kun Yuan , Zishang Kong , Chuanchuan Zheng , Ming Sun , Xing Wen

Large Language Models (LLMs) face significant challenges in edge deployment due to their massive parameter scale. Vector Quantization (VQ), a clustering-based quantization method, serves as a prevalent solution to this issue for its…

机器学习 · 计算机科学 2025-06-27 Yuxuan Yue , Zukang Xu , Zhihang Yuan , Dawei Yang , Jianlong Wu , Liqiang Nie

Consistency learning with feature perturbation is a widely used strategy in semi-supervised medical image segmentation. However, many existing perturbation methods rely on dropout, and thus require a careful manual tuning of the dropout…

计算机视觉与模式识别 · 计算机科学 2026-01-16 Sicheng Yang , Zhaohu Xing , Lei Zhu

While inference-time scaling has significantly enhanced generative quality in large language and diffusion models, its application to vector-quantized (VQ) visual autoregressive modeling (VAR) remains unexplored. We introduce VAR-Scaling,…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Weidong Tang , Xinyan Wan , Siyu Li , Xiumei Wang

Vector quantization is an essential tool for tasks involving large scale data, for example, large scale similarity search, which is crucial for content-based information retrieval and analysis. In this paper, we propose a novel vector…

多媒体 · 计算机科学 2016-09-20 Shicong Liu , Junru Shao , Hongtao Lu

Trajectory forecasting is crucial for video surveillance analytics, as it enables the anticipation of future movements for a set of agents, e.g. basketball players engaged in intricate interactions with long-term intentions. Deep generative…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Riccardo Benaglia , Angelo Porrello , Pietro Buzzega , Simone Calderara , Rita Cucchiara

Prompt Tuning has been largely successful as a parameter-efficient method of conditioning large-scale pre-trained language models to perform downstream tasks. Thus far, soft prompt tuning learns a fixed set of task-specific continuous…

计算与语言 · 计算机科学 2022-10-25 Rishabh Bhardwaj , Amrita Saha , Steven C. H. Hoi , Soujanya Poria

Residual Vector Quantization (RVQ) has become a dominant approach in neural speech and audio coding, providing high-fidelity compression. However, speech coding presents additional challenges due to real-world noise, which degrades…

声音 · 计算机科学 2025-06-23 Yunkee Chae , Kyogu Lee

In recent years, the task of video prediction-forecasting future video given past video frames-has attracted attention in the research community. In this paper we propose a novel approach to this problem with Vector Quantized Variational…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Jacob Walker , Ali Razavi , Aäron van den Oord

In this paper, we explore vector quantization for acoustic unit discovery. Leveraging unlabelled data, we aim to learn discrete representations of speech that separate phonetic content from speaker-specific details. We propose two neural…

音频与语音处理 · 电气工程与系统科学 2020-08-20 Benjamin van Niekerk , Leanne Nortje , Herman Kamper