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Encoder transformer models compress information from all tokens in a sequence into a single [CLS] token to represent global context. This approach risks diluting fine-grained or hierarchical features, leading to information loss in…

计算与语言 · 计算机科学 2025-09-23 Asif Shahriar , Rifat Shahriyar , M Saifur Rahman

After their initial success in natural language processing, transformer architectures have rapidly gained traction in computer vision, providing state-of-the-art results for tasks such as image classification, detection, segmentation, and…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Hugo Touvron , Matthieu Cord , Alaaeldin El-Nouby , Jakob Verbeek , Hervé Jégou

Humans are remarkably flexible in understanding viewpoint changes due to visual cortex supporting the perception of 3D structure. In contrast, most of the computer vision models that learn visual representation from a pool of 2D images…

计算机视觉与模式识别 · 计算机科学 2023-01-16 Jinghuan Shang , Srijan Das , Michael S. Ryoo

This article presents block-wise image encryption for the vision transformer and its applications. Perceptual image encryption for deep learning enables us not only to protect the visual information of plain images but to also embed unique…

密码学与安全 · 计算机科学 2023-08-16 Hitoshi Kiya , Ryota Iijima , Teru Nagamori

Biological systems leverage top-down feedback for visual processing, yet most artificial vision models succeed in image classification using purely feedforward or recurrent architectures, calling into question the functional significance of…

神经元与认知 · 定量生物学 2025-08-12 Antonino Greco , Marco D'Alessandro , Karl J. Friston , Giovanni Pezzulo , Markus Siegel

Visually predicting the stability of block towers is a popular task in the domain of intuitive physics. While previous work focusses on prediction accuracy, a one-dimensional performance measure, we provide a broader analysis of the learned…

Understanding how information propagates through Transformer models is a key challenge for interpretability. In this work, we study the effects of minimal token perturbations on the embedding space. In our experiments, we analyze the…

机器学习 · 计算机科学 2025-06-24 Eddie Conti , Alejandro Astruc , Alvaro Parafita , Axel Brando

Self-supervised training methods for transformers have demonstrated remarkable performance across various domains. Previous transformer-based models, such as masked autoencoders (MAE), typically utilize a single normalization layer for both…

计算与语言 · 计算机科学 2023-11-30 Xiaohui Chen , Yinkai Wang , Yuanqi Du , Soha Hassoun , Li-Ping Liu

Fine-tuning provides an effective means to specialize pre-trained models for various downstream tasks. However, fine-tuning often incurs high memory overhead, especially for large transformer-based models, such as LLMs. While existing…

计算与语言 · 计算机科学 2025-02-03 Antoine Simoulin , Namyong Park , Xiaoyi Liu , Grey Yang

Prevalent semantic speech tokenizers, designed to capture linguistic content, are surprisingly fragile. We find they are not robust to meaning-irrelevant acoustic perturbations; even at high Signal-to-Noise Ratios (SNRs) where speech is…

计算与语言 · 计算机科学 2026-04-15 Yuhan Song , Linhao Zhang , Chuhan Wu , Aiwei Liu , Wei Jia , Houfeng Wang , Xiao Zhou

Ordinary stochastic neural networks mostly rely on the expected values of their weights to make predictions, whereas the induced noise is mostly used to capture the uncertainty, prevent overfitting and slightly boost the performance through…

机器学习 · 统计学 2019-02-19 Kirill Neklyudov , Dmitry Molchanov , Arsenii Ashukha , Dmitry Vetrov

Artificial and biological agents cannon learn given completely random and unstructured data. The structure of data is encoded in the metric relationships between data points. In the context of neural networks, neuronal activity within a…

机器学习 · 计算机科学 2022-11-03 Kosio Beshkov , Jonas Verhellen , Mikkel Elle Lepperød

Transformer architecture has shown impressive performance in multiple research domains and has become the backbone of many neural network models. However, there is limited understanding on how it works. In particular, with a simple…

计算与语言 · 计算机科学 2023-10-31 Yuandong Tian , Yiping Wang , Beidi Chen , Simon Du

Video transformers have achieved impressive results on major video recognition benchmarks, which however suffer from high computational cost. In this paper, we present STTS, a token selection framework that dynamically selects a few…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Junke Wang , Xitong Yang , Hengduo Li , Li Liu , Zuxuan Wu , Yu-Gang Jiang

In this paper, we introduce a novel visual representation learning which relies on a handful of adaptively learned tokens, and which is applicable to both image and video understanding tasks. Instead of relying on hand-designed splitting…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Michael S. Ryoo , AJ Piergiovanni , Anurag Arnab , Mostafa Dehghani , Anelia Angelova

Most large multimodal models (LMMs) are implemented by feeding visual tokens as a sequence into the first layer of a large language model (LLM). The resulting architecture is simple but significantly increases computation and memory costs,…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Lingchen Meng , Jianwei Yang , Rui Tian , Xiyang Dai , Zuxuan Wu , Jianfeng Gao , Yu-Gang Jiang

We present a new perspective of achieving image synthesis by viewing this task as a visual token generation problem. Different from existing paradigms that directly synthesize a full image from a single input (e.g., a latent code), the new…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Yanhong Zeng , Huan Yang , Hongyang Chao , Jianbo Wang , Jianlong Fu

Vision transformers have contributed greatly to advancements in the computer vision domain, demonstrating state-of-the-art performance in diverse tasks (e.g., image classification, object detection). However, their high computational…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Oryan Yehezkel , Alon Zolfi , Amit Baras , Yuval Elovici , Asaf Shabtai

Token representations in high-dimensional latent spaces often exhibit redundancy, limiting computational efficiency and reducing structural coherence across model layers. Hierarchical latent space folding introduces a structured…

计算与语言 · 计算机科学 2025-08-11 Fenella Harcourt , Naderdel Piero , Gilbert Sutherland , Daphne Holloway , Harriet Bracknell , Julian Ormsby

Vision transformers have recently achieved competitive results across various vision tasks but still suffer from heavy computation costs when processing a large number of tokens. Many advanced approaches have been developed to reduce the…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Weicong Liang , Yuhui Yuan , Henghui Ding , Xiao Luo , Weihong Lin , Ding Jia , Zheng Zhang , Chao Zhang , Han Hu