中文
相关论文

相关论文: Does Vector Quantization Fail in Spatio-Temporal F…

200 篇论文

Purpose: To develop a robust deep learning framework for non-contrast-enhanced functional lung MRI, overcoming the limitations of spectral decomposition in the presence of physiological non-stationarity. Methods: We introduce VQ-Wave…

医学物理 · 物理学 2026-05-05 Grzegorz Bauman , Pavlos Panos , Philipp Latzin , Oliver Bieri

The sparse linear regression problem is difficult to handle with usual sparse optimization models when both predictors and measurements are either quantized or represented in low-precision, due to non-convexity. In this paper, we provide a…

最优化与控制 · 数学 2019-03-22 Vito Cerone , Sophie M. Fosson , Diego Regruto

Vector quantization has emerged as a powerful tool in large-scale multimodal models, unifying heterogeneous representations through discrete token encoding. However, its effectiveness hinges on robust codebook design. Current…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Hongxuan Li , Wencheng Zhu , Huiying Xu , Xinzhong Zhu , Pengfei Zhu

As a very common type of video, face videos often appear in movies, talk shows, live broadcasts, and other scenes. Real-world online videos are often plagued by degradations such as blurring and quantization noise, due to the high…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yutong Wang , Jiajie Teng , Jiajiong Cao , Yuming Li , Chenguang Ma , Hongteng Xu , Dixin Luo

Variational quantum algorithms (VQAs) offer the most promising path to obtaining quantum advantages via noisy intermediate-scale quantum (NISQ) processors. Such systems leverage classical optimization to tune the parameters of a…

量子物理 · 物理学 2022-09-26 Sharu Theresa Jose , Osvaldo Simeone

Development of an accurate, flexible, and numerically efficient uncertainty quantification (UQ) method is one of fundamental challenges in machine learning. Previously, a UQ method called DISCO Nets has been proposed (Bouchacourt et al.,…

机器学习 · 计算机科学 2023-07-06 Takuya Kanazawa , Chetan Gupta

Vector Quantized Variational Autoencoder (VQ-VAE) has become a fundamental framework for learning discrete representations in image modeling. However, VQ-VAE models must tokenize entire images using a finite set of codebook vectors, and…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Jaeyung Kim , YoungJoon Yoo

With rapid advances in quantum hardware, a central question is whether quantum devices with or without full error correction can outperform classical computers on practically relevant problems. Variational Quantum Algorithms (VQAs) have…

量子物理 · 物理学 2025-09-09 Adelina Bärligea , Benedikt Poggel , Jeanette Miriam Lorenz

Accumulation of corporate data in the cloud has attracted more enterprise applications to the cloud creating data gravity. As a consequence, network traffic has become more cloud centric. This increase in cloud centric traffic poses new…

机器学习 · 计算机科学 2022-10-05 Mujahid Sultan

The dimensionality of the embedding and the number of available embeddings ( also called codebook size) are critical factors influencing the performance of Vector Quantization(VQ), a discretization process used in many models such as the…

机器学习 · 计算机科学 2024-07-09 Hang Chen , Sankepally Sainath Reddy , Ziwei Chen , Dianbo Liu

Vision Transformer (ViT)-based models have shown state-of-the-art performance (e.g., accuracy) in vision-based AI tasks. However, realizing their capability in resource-constrained embedded AI systems is challenging due to their inherent…

神经与进化计算 · 计算机科学 2026-01-06 Rachmad Vidya Wicaksana Putra , Saad Iftikhar , Muhammad Shafique

Sparse support vector machine (SVM) is a popular classification technique that can simultaneously learn a small set of the most interpretable features and identify the support vectors. It has achieved great successes in many real-world…

机器学习 · 统计学 2019-07-19 Weizhong Zhang , Bin Hong , Wei Liu , Jieping Ye , Deng Cai , Xiaofei He , Jie Wang

It is challenging to annotate large-scale datasets for supervised video shadow detection methods. Using a model trained on labeled images to the video frames directly may lead to high generalization error and temporal inconsistent results.…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Xiao Lu , Yihong Cao , Sheng Liu , Chengjiang Long , Zipei Chen , Xuanyu Zhou , Yimin Yang , Chunxia Xiao

Spatio-Temporal video grounding (STVG) focuses on retrieving the spatio-temporal tube of a specific object depicted by a free-form textual expression. Existing approaches mainly treat this complicated task as a parallel frame-grounding…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yang Jin , Yongzhi Li , Zehuan Yuan , Yadong Mu

Vectorized quantum block encoding provides a way to embed classical data into Hilbert space, offering a pathway for quantum models, such as Quantum Transformers (QT), that replace classical self-attention with quantum circuit simulations to…

量子物理 · 物理学 2025-09-05 Ziqing Guo , Ziwen Pan , Alex Khan , Jan Balewski

Video temporal grounding is a critical video understanding task, which aims to localize moments relevant to a language description. The challenge of this task lies in distinguishing relevant and irrelevant moments. Previous methods focused…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Xiaolong Sun , Le Wang , Sanping Zhou , Liushuai Shi , Kun Xia , Mengnan Liu , Yabing Wang , Gang Hua

Post-training quantization (PTQ) is a primary approach for deploying large language models without fine-tuning, and the quantized performance is often strongly affected by the calibration in PTQ. By contrast, in vision-language models…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Zhenhao Shang , Haizhao Jing , Guoting Wei , Haokui Zhang , Rong Xiao , Jianqing Gao , Peng Wang

A Vector Auto-Regressive (VAR) model is commonly used to model multivariate time series, and there are many penalized methods to handle high dimensionality. However in terms of spatio-temporal data, most methods do not take the spatial and…

统计方法学 · 统计学 2020-12-21 Zhenzhong Wang , Abolfazl Safikhani , Zhengyuan Zhu , David S. Matteson

Given their potential to demonstrate near-term quantum advantage, variational quantum algorithms (VQAs) have been extensively studied. Although numerous techniques have been developed for VQA parameter optimization, it remains a significant…

量子物理 · 物理学 2024-06-05 Zichang He , Bo Peng , Yuri Alexeev , Zheng Zhang

Vision and language understanding has emerged as a subject undergoing intense study in Artificial Intelligence. Among many tasks in this line of research, visual question answering (VQA) has been one of the most successful ones, where the…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Yunseok Jang , Yale Song , Youngjae Yu , Youngjin Kim , Gunhee Kim