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The lack of labeled data is a major obstacle to learning high-quality sentence embeddings. Recently, self-supervised contrastive learning (SCL) is regarded as a promising way to address this problem. However, the existing works mainly rely…

计算与语言 · 计算机科学 2022-03-01 Junhan Yang , Zheng Liu , Shitao Xiao , Jianxun Lian , Lijun Wu , Defu Lian , Guangzhong Sun , Xing Xie

Image compression methods are usually optimized isolatedly for human perception or machine analysis tasks. We reveal fundamental commonalities between these objectives: preserving accurate semantic information is paramount, as it directly…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Ruoyu Feng , Yunpeng Qi , Jinming Liu , Yixin Gao , Xin Li , Xin Jin , Zhibo Chen

Variational dimensionality reduction methods are widely used for their accuracy, generative capabilities, and robustness. We introduce a unifying framework that generalizes both such as traditional and state-of-the-art methods. The…

机器学习 · 计算机科学 2025-09-04 Eslam Abdelaleem , Ilya Nemenman , K. Michael Martini

Many studies have been conducted so far on image restoration, the problem of restoring a clean image from its distorted version. There are many different types of distortion which affect image quality. Previous studies have focused on…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Masanori Suganuma , Xing Liu , Takayuki Okatani

The primate brain contains a hierarchy of visual areas, dubbed the ventral stream, which rapidly computes object representations that are both specific for object identity and relatively robust against identity-preserving transformations…

神经与进化计算 · 计算机科学 2016-06-07 Joel Z. Leibo , Qianli Liao , Winrich Freiwald , Fabio Anselmi , Tomaso Poggio

Semantic communications (SemCom) is a promising task-oriented paradigm in which semantic features exhibit non-uniform importance. Consequently, unequal error protection (UEP), which allocates resources based on semantic importance, plays a…

信号处理 · 电气工程与系统科学 2026-04-02 Xunyang Zhan , Jie Cao , Xu Zhu , Nikolaos Pappas , Zhijin Qin , Shaohan Feng

Multimodal Large Language Models (MLLMs), which couple pre-trained vision encoders and language models, have shown remarkable capabilities. However, their reliance on the ubiquitous Pre-Norm architecture introduces a subtle yet critical…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Bozhou Li , Xinda Xue , Sihan Yang , Yang Shi , Xinlong Chen , Yushuo Guan , Yuanxing Zhang , Wentao Zhang

Limited view tomographic reconstruction aims to reconstruct a tomographic image from a limited number of sinogram or projection views arising from sparse view or limited angle acquisitions that reduce radiation dose or shorten scanning…

图像与视频处理 · 电气工程与系统科学 2020-09-04 Bo Zhou , S. Kevin Zhou , James S. Duncan , Chi Liu

Parameter-efficient continual learning aims to adapt pre-trained models to sequential tasks without forgetting previously acquired knowledge. Most existing approaches treat continual learning as avoiding interference with past updates,…

机器学习 · 计算机科学 2026-02-03 Hao Gu , Mao-Lin Luo , Zi-Hao Zhou , Han-Chen Zhang , Min-Ling Zhang , Tong Wei

Information bottleneck is an information-theoretic principle of representation learning that aims to learn a maximally compressed representation that preserves as much information about labels as possible. Under this principle, two…

信息论 · 计算机科学 2023-11-08 Yuyan Ni , Yanyan Lan , Ao Liu , Zhiming Ma

Restoring images afflicted by complex real-world degradations remains challenging, as conventional methods often fail to adapt to the unique mixture and severity of artifacts present. This stems from a reliance on indirect cues which poorly…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Xin Su , Chen Wu , Yu Zhang , Chen Lyu , Zhuoran Zheng

Significant challenges exist in efficient data analysis of most advanced experimental and observational techniques because the collected signals often include unwanted contributions--such as background and signal distortions--that can…

Recovering high-quality surfaces from irregular point cloud is ill-posed unless strong geometric priors are available. We introduce an implicit self-prior approach that distills a shape-specific prior directly from the input point cloud…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Kyle Fogarty , Chenyue Cai , Jing Yang , Zhilin Guo , Cengiz Öztireli

Deep features are a cornerstone of computer vision research, capturing image semantics and enabling the community to solve downstream tasks even in the zero- or few-shot regime. However, these features often lack the spatial resolution to…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Stephanie Fu , Mark Hamilton , Laura Brandt , Axel Feldman , Zhoutong Zhang , William T. Freeman

Despite the promise of Retrieval-Augmented Generation in grounding Multimodal Large Language Models with external knowledge, the transition to extensive contexts often leads to significant attention dilution and reasoning hallucinations.…

计算与语言 · 计算机科学 2026-03-10 Junming Liu , Yuqi Li , Shiping Wen , Zhigang Zeng , Tingwen Huang

Face frontalization refers to the process of synthesizing the frontal view of a face from a given profile. Due to self-occlusion and appearance distortion in the wild, it is extremely challenging to recover faithful results and preserve…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Jie Cao , Yibo Hu , Hongwen Zhang , Ran He , Zhenan Sun

With the advancement of large pre-trained vision-language models, effectively transferring the knowledge embedded within these foundational models to downstream tasks has become a pivotal topic, particularly in data-scarce environments.…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Tianxiang Hao , Mengyao Lyu , Hui Chen , Sicheng Zhao , Xiaohan Ding , Jungong Han , Guiguang Ding

Deep image steganography (DIS) has achieved significant results in capacity and invisibility. However, current paradigms enforce the secret image to maintain the same resolution as the cover image during hiding and revealing. This leads to…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Xinjue Hu , Chi Wang , Boyu Wang , Xiang Zhang , Zhenshan Tan , Zhangjie Fu

As equality issues in the use of face recognition have garnered a lot of attention lately, greater efforts have been made to debiased deep learning models to improve fairness to minorities. However, there is still no clear definition nor…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Jiazhi Li , Wael Abd-Almageed

Diffusion models have become a central paradigm for image and multimodal generation, yet their deployment raises persistent questions about alignment, safety, preference satisfaction, and robustness to misuse. This survey reviews recent…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Preeti Lamba , Kiran Ravish , Ankita Kushwaha , Pawan Kumar