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Autoregressive (AR) models, the theoretical performance benchmark for learned lossless image compression, are often dismissed as impractical due to prohibitive computational cost. This work re-thinks this paradigm, introducing a framework…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Daxin Li , Yuanchao Bai , Kai Wang , Wenbo Zhao , Junjun Jiang , Xianming Liu

As a specific semantic segmentation task, aerial imagery segmentation has been widely employed in high spatial resolution (HSR) remote sensing images understanding. Besides common issues (e.g. large scale variation) faced by general…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Lin Huang , Qiyuan Dong , Lijun Wu , Jia Zhang , Jiang Bian , Tie-Yan Liu

Avatar reconstruction has traditionally relied on per-subject optimization that requires hours of computation or on expensive preprocessing that limits scalability. We introduce FFAvatar, a generalizable feed-forward framework that…

图形学 · 计算机科学 2026-05-18 Thuan Hoang Nguyen , Jiahao Luo , Yinyu Nie , Hao Li , Gordon Guocheng Qian , Jian Wang

The standard vector autoregressive (VAR) models suffer from overparameterization which is a serious issue for high-dimensional time series data as it restricts the number of variables and lags that can be incorporated into the model.…

统计方法学 · 统计学 2023-09-25 S. Yaser Samadi , Wiranthe B. Herath

A factor-augmented vector autoregressive (FAVAR) model is defined by a VAR equation that captures lead-lag correlations amongst a set of observed variables $X$ and latent factors $F$, and a calibration equation that relates another set of…

统计方法学 · 统计学 2020-06-02 Jiahe Lin , George Michailidis

Although federated learning preserves training data within local privacy domains, the aggregated model parameters may still reveal private characteristics. This vulnerability stems from clients' limited training data, which predisposes…

密码学与安全 · 计算机科学 2025-06-03 Zhuo Chen , Zhenya Ma , Yan Zhang , Donghua Cai , Ye Zhang , Qiushi Li , Yongheng Deng , Ye Guo , Ju Ren , Xuemin , Shen

While autoregressive Large Vision-Language Models (LVLMs) demonstrate remarkable proficiency in multimodal tasks, they face a "Visual Signal Dilution" phenomenon, where the accumulation of textual history expands the attention partition…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Siyuan Huang , Xiaoye Qu , Yafu Li , Tong Zhu , Zefeng He , Muxin Fu , Daizong Liu , Wei-Long Zheng , Yu Cheng

Large pre-trained vision-language models (VLMs) reduce the time for developing predictive models for various vision-grounded language downstream tasks by providing rich, adaptable image and text representations. However, these models suffer…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Ashish Seth , Mayur Hemani , Chirag Agarwal

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

Video prediction is a challenging computer vision task that has a wide range of applications. In this work, we present a new family of Transformer-based models for video prediction. Firstly, an efficient local spatial-temporal separation…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Xi Ye , Guillaume-Alexandre Bilodeau

Employing LLMs for visual generation has recently become a research focus. However, the existing methods primarily transfer the LLM architecture to visual generation but rarely investigate the fundamental differences between language and…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Teng Hu , Jiangning Zhang , Ran Yi , Jieyu Weng , Yabiao Wang , Xianfang Zeng , Zhucun Xue , Lizhuang Ma

Existing pyramid registration networks may accumulate anatomical misalignments and lack an effective mechanism to dynamically determine the number of optimization iterations under varying deformation requirements across images, leading to…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Heming Wu , Di Wang , Tai Ma , Peng Zhao , Yubin Xiao , Zhongke Wu , Xing-Ce Wang , Xuan Wu , You Zhou

Decoder-only autoregressive image generation typically relies on fixed-length tokenization schemes whose token counts grow quadratically with resolution, substantially increasing the computational and memory demands of attention. We present…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Divyansh Srivastava , Akshay Mehra , Pranav Maneriker , Debopam Sanyal , Vishnu Raj , Vijay Kamarshi , Fan Du , Joshua Kimball

Next-Token Prediction (NTP) is a de facto approach for autoregressive (AR) video generation, but it suffers from suboptimal unidirectional dependencies and slow inference speed. In this work, we propose a semi-autoregressive (semi-AR)…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Shuhuai Ren , Shuming Ma , Xu Sun , Furu Wei

Classifier-free guidance (CFG) has become a widely adopted and practical approach for enhancing generation quality and improving condition alignment. Recent studies have explored guidance mechanisms for unconditional generation, yet these…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Chaoyang Wang , Tianmeng Yang , Jingdong Wang , Yunhai Tong

Time series models aim for accurate predictions of the future given the past, where the forecasts are used for important downstream tasks like business decision making. In practice, deep learning based time series models come in many forms,…

机器学习 · 计算机科学 2022-06-01 Kashif Rasul , Young-Jin Park , Max Nihlén Ramström , Kyung-Min Kim

The development of autoregressive modeling (AM) in computer vision lags behind natural language processing (NLP) in self-supervised pre-training. This is mainly caused by the challenge that images are not sequential signals and lack a…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Kaiyou Song , Shan Zhang , Tong Wang

In this work, we propose a new unsupervised image segmentation approach based on mutual information maximization between different constructed views of the inputs. Taking inspiration from autoregressive generative models that predict the…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Yassine Ouali , Céline Hudelot , Myriam Tami

Video Anomaly Detection (VAD) automatically identifies anomalous events from video, mitigating the need for human operators in large-scale surveillance deployments. However, two fundamental obstacles hinder real-world adoption: domain…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Hyogun Lee , Haksub Kim , Ig-Jae Kim , Yonghun Choi

Recent studies have shown remarkable success in face manipulation task with the advance of GANs and VAEs paradigms, but the outputs are sometimes limited to low-resolution and lack of diversity. In this work, we propose Additive Focal…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Shengju Qian , Kwan-Yee Lin , Wayne Wu , Yangxiaokang Liu , Quan Wang , Fumin Shen , Chen Qian , Ran He
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