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In virtual reality (VR) applications, 360-degree images play a pivotal role in crafting immersive experiences and offering panoramic views, thus improving user Quality of Experience (QoE). However, the voluminous data generated by…

图像与视频处理 · 电气工程与系统科学 2024-06-10 Yang Ma , Wenchi Cheng , Jingqing Wang , Wei Zhang

Data-free knowledge distillation (DFKD) conducts knowledge distillation via eliminating the dependence of original training data, and has recently achieved impressive results in accelerating pre-trained language models. At the heart of DFKD…

计算与语言 · 计算机科学 2022-05-17 Xinyin Ma , Xinchao Wang , Gongfan Fang , Yongliang Shen , Weiming Lu

The proliferation of videos collected during in-the-wild natural settings has pushed the development of effective Video Quality Assessment (VQA) methodologies. Contemporary supervised opinion-driven VQA strategies predominantly hinge on…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Haoning Wu , Liang Liao , Annan Wang , Chaofeng Chen , Jingwen Hou , Wenxiu Sun , Qiong Yan , Weisi Lin

Multimodal latent-space reasoning aims to replace explicit thinking with images by performing visual reasoning directly in a compact latent space. However, existing approaches largely rely on visual supervision and produce latent…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Tianrun Xu , Yue Sun , Qixun Wang , Jingyi Lu , Yuan Wang , Tianren Zhang , Longteng Guo , Fengyun Rao , Jing Lyu , Feng Chen , Jing Liu

The advance of generative models for images has inspired various training techniques for image recognition utilizing synthetic images. In semantic segmentation, one promising approach is extracting pseudo-masks from attention maps in…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Ryota Yoshihashi , Yuya Otsuka , Kenji Doi , Tomohiro Tanaka , Hirokatsu Kataoka

Text-guided image generation has advanced rapidly with large-scale diffusion models, yet achieving precise stylization with visual exemplars remains difficult. Existing approaches often depend on task-specific retraining or expensive…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Yingying Deng , Xiangyu He , Fan Tang , Weiming Dong , Xucheng Yin

Visual tokenizers are fundamental to image generation. They convert visual data into discrete tokens, enabling transformer-based models to excel at image generation. Despite their success, VQ-based tokenizers like VQGAN face significant…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Zechen Bai , Jianxiong Gao , Ziteng Gao , Pichao Wang , Zheng Zhang , Tong He , Mike Zheng Shou

Vision Transformers (ViTs) can learn strong image-level representations while their patch representations become less effective for dense prediction during prolonged training. We revisit this dense degradation phenomenon and argue that it…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Linxiang Su

Although quantization has emerged as a promising approach to reducing computational complexity across various high-level vision tasks, it inevitably leads to accuracy loss in image super-resolution (SR) networks. This is due to the…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Cheeun Hong , Kyoung Mu Lee

Reinforcement Fine-Tuning (RFT) on flow-based models is crucial for preference alignment. However, they often introduce visual hallucinations like over-optimized details and semantic misalignment. This work preliminarily explores why visual…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Xiaofeng Tan , Jun Liu , Yuanting Fan , Bin-Bin Gao , Xi Jiang , Xiaochen Chen , Jinlong Peng , Chengjie Wang , Hongsong Wang , Feng Zheng

Standard deep learning models such as convolutional neural networks (CNNs) lack the ability of generalizing to domains which have not been seen during training. This problem is mainly due to the common but often wrong assumption of such…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Mehrdad Noori , Milad Cheraghalikhani , Ali Bahri , Gustavo A. Vargas Hakim , David Osowiechi , Ismail Ben Ayed , Christian Desrosiers

Discretization of semantic features enables interoperability between semantic and digital communication systems, showing significant potential for practical applications. The fundamental difficulty in digitizing semantic features stems from…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Jianqiao Chen , Tingting Zhu , Huishi Song , Nan Ma , Xiaodong Xu

Zero-shot quantization (ZSQ) using synthetic data is a key approach for post-training quantization (PTQ) under privacy and security constraints. However, existing data generation methods often struggle to effectively generate data suitable…

机器学习 · 计算机科学 2025-02-06 Lior Dikstein , Ariel Lapid , Arnon Netzer , Hai Victor Habi

Recently, numerous end-to-end optimized image compression neural networks have been developed and proved themselves as leaders in rate-distortion performance. The main strength of these learnt compression methods is in powerful nonlinear…

图像与视频处理 · 电气工程与系统科学 2023-04-26 Xi Zhang , Xiaolin Wu

Vision Transformer (ViT) has demonstrated promising performance in computer vision tasks, comparable to state-of-the-art neural networks. Yet, this new type of deep neural network architecture is vulnerable to adversarial attacks limiting…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Shashank Kotyan , Danilo Vasconcellos Vargas

We study a crucial yet often overlooked issue inherent to Vision Transformers (ViTs): feature maps of these models exhibit grid-like artifacts, which hurt the performance of ViTs in downstream dense prediction tasks such as semantic…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jiawei Yang , Katie Z Luo , Jiefeng Li , Congyue Deng , Leonidas Guibas , Dilip Krishnan , Kilian Q Weinberger , Yonglong Tian , Yue Wang

Neural network quantization is a very promising solution in the field of model compression, but its resulting accuracy highly depends on a training/fine-tuning process and requires the original data. This not only brings heavy computation…

机器学习 · 计算机科学 2025-02-18 Jun Chen , Shipeng Bai , Tianxin Huang , Mengmeng Wang , Guanzhong Tian , Yong Liu

Forced alignment refers to a technology that time-aligns a given transcription with a corresponding speech. However, as the forced alignment technologies have developed using speech audio, they might fail in alignment when the input speech…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Minsu Kim , Chae Won Kim , Yong Man Ro

CutMix is a vital augmentation strategy that determines the performance and generalization ability of vision transformers (ViTs). However, the inconsistency between the mixed images and the corresponding labels harms its efficacy. Existing…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Mengzhao Chen , Mingbao Lin , ZhiHang Lin , Yuxin Zhang , Fei Chao , Rongrong Ji

Vector Quantization (VQ) techniques face significant challenges in codebook utilization, limiting reconstruction fidelity in image modeling. We introduce a Dual Codebook mechanism that effectively addresses this limitation by partitioning…

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