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Related papers: ViTCAE: ViT-based Class-conditioned Autoencoder

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Existing video tokenizers typically use the traditional Variational Autoencoder (VAE) architecture for video compression and reconstruction. However, to achieve good performance, its training process often relies on complex multi-stage…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Nianzu Yang , Pandeng Li , Liming Zhao , Yang Li , Chen-Wei Xie , Yehui Tang , Xudong Lu , Zhihang Liu , Yun Zheng , Yu Liu , Junchi Yan

Vision Transformers (ViTs) have been shown to enhance visual recognition through modeling long-range dependencies with multi-head self-attention (MHSA), which is typically formulated as Query-Key-Value computation. However, the attention…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Chongjian Ge , Xiaohan Ding , Zhan Tong , Li Yuan , Jiangliu Wang , Yibing Song , Ping Luo

Despite the popularity of Vision Transformers (ViTs) and eXplainable AI (XAI), only a few explanation methods have been designed specially for ViTs thus far. They mostly use attention weights of the [CLS] token on patch embeddings and often…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Weiyan Xie , Xiao-Hui Li , Caleb Chen Cao , Nevin L. Zhang

Visual recognition has been dominated by convolutional neural networks (CNNs) for years. Though recently the prevailing vision transformers (ViTs) have shown great potential of self-attention based models in ImageNet classification, their…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Li Yuan , Qibin Hou , Zihang Jiang , Jiashi Feng , Shuicheng Yan

Vision transformer has emerged as a new paradigm in computer vision, showing excellent performance while accompanied by expensive computational cost. Image token pruning is one of the main approaches for ViT compression, due to the facts…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Xiangcheng Liu , Tianyi Wu , Guodong Guo

The scarcity of annotated data in LiDAR point cloud understanding hinders effective representation learning. Consequently, scholars have been actively investigating efficacious self-supervised pre-training paradigms. Nevertheless, temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Weijie Wei , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Recently, Transformers have gained significant popularity in image restoration tasks such as image super-resolution and denoising, owing to their superior performance. However, balancing performance and computational burden remains a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Leheng Zhang , Wei Long , Yawei Li , Xingyu Zhou , Xiaorui Zhao , Shuhang Gu

This paper expands the cascaded network branch of the autoencoder-based multi-task learning (MTL) framework for dynamic facial expression recognition, namely Multi-Task Cascaded Autoencoder for Dynamic Facial Expression Recognition…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Peihao Xiang , Kaida Wu , Ou Bai

Linear attention has emerged as a promising direction for scaling Vision Transformers beyond the quadratic cost of dense self-attention. A prevalent strategy is to compress spatial tokens into a compact set of intermediate proxies that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yuntong Li , Hainuo Wang , Hengxing Liu , Mingjia Li , Xiaojie Guo

Transformers have transformed modern machine learning, driving breakthroughs in computer vision, natural language processing, and robotics. At the core of their success lies the attention mechanism, which enables the modeling of global…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Hemanth Saratchandran , Simon Lucey

The Vision Transformer (ViT) excels in global modeling but faces deployment challenges on resource-constrained devices due to the quadratic computational complexity of its attention mechanism. To address this, we propose the Semantic-Aware…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Youbing Hu , Yun Cheng , Anqi Lu , Dawei Wei , Zhijun Li

This paper proposes a novel transformer-based framework that aims to enhance weakly supervised semantic segmentation (WSSS) by generating accurate class-specific object localization maps as pseudo labels. Building upon the observation that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Lian Xu , Mohammed Bennamoun , Farid Boussaid , Hamid Laga , Wanli Ouyang , Dan Xu

Existing visual change detectors usually adopt CNNs or Transformers for feature representation learning and focus on learning effective representation for the changed regions between images. Although good performance can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Bo Jiang , Zitian Wang , Xixi Wang , Ziyan Zhang , Lan Chen , Xiao Wang , Bin Luo

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Vision transformers have established a precedent of patchifying images into uniformly-sized chunks before processing. We hypothesize that this design choice may limit models in learning comprehensive and compositional representations from…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Neha Kalibhat , Priyatham Kattakinda , Sumit Nawathe , Arman Zarei , Nikita Seleznev , Samuel Sharpe , Senthil Kumar , Soheil Feizi

Vision Transformers (ViTs) take all the image patches as tokens and construct multi-head self-attention (MHSA) among them. Complete leverage of these image tokens brings redundant computations since not all the tokens are attentive in MHSA.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Youwei Liang , Chongjian Ge , Zhan Tong , Yibing Song , Jue Wang , Pengtao Xie

Entropy modeling is a key component for high-performance image compression algorithms. Recent developments in autoregressive context modeling helped learning-based methods to surpass their classical counterparts. However, the performance of…

Image and Video Processing · Electrical Eng. & Systems 2024-02-28 A. Burakhan Koyuncu , Han Gao , Atanas Boev , Georgii Gaikov , Elena Alshina , Eckehard Steinbach

We here propose a novel hierarchical transformer model that adeptly integrates the feature extraction capabilities of Convolutional Neural Networks (CNNs) with the advanced representational potential of Vision Transformers (ViTs).…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Xiaoya Tang , Bodong Zhang , Beatrice S. Knudsen , Tolga Tasdizen

Vision Transformer (ViT) has made significant advancements in computer vision, thanks to its token mixer's sophisticated ability to capture global dependencies between all tokens. However, the quadratic growth in computational demands as…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Guoan Xu , Wenfeng Huang , Wenjing Jia , Jiamao Li , Guangwei Gao , Guo-Jun Qi

Multi-scale simulations of nonlinear heterogeneous materials and composites are challenging due to the prohibitive computational costs of high-fidelity simulations. Recently, machine learning (ML) based approaches have emerged as promising…

Computational Engineering, Finance, and Science · Computer Science 2025-10-21 Yijing Zhou , Shabnam J. Semnani