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3D Vision-Language Foundation Models (VLFMs) have shown strong generalization and zero-shot recognition capabilities in open-world point cloud processing tasks. However, these models often underperform in practical scenarios where data are…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Mehran Tamjidi , Hamidreza Dastmalchi , Mohammadreza Alimoradijazi , Ali Cheraghian , Aijun An , Morteza Saberi

Vision-Language Models (VLMs) such as CLIP have demonstrated remarkable capabilities in understanding relationships between visual and textual data through joint embedding spaces. Despite their effectiveness, these models remain vulnerable…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Jiaming Zhang , Xin Wang , Xingjun Ma , Lingyu Qiu , Yu-Gang Jiang , Jitao Sang

$k$-Nearest Neighbor search on dense vector embeddings ($k$-NN retrieval) from pre-trained embedding models is the predominant retrieval method for text and images, as well as Retrieval-Augmented Generation (RAG) pipelines. In practice,…

机器学习 · 计算机科学 2024-09-05 Sepanta Zeighami , Zac Wellmer , Aditya Parameswaran

Existing multi-view image generation methods often make invasive modifications to pre-trained text-to-image (T2I) models and require full fine-tuning, leading to (1) high computational costs, especially with large base models and…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Zehuan Huang , Yuan-Chen Guo , Haoran Wang , Ran Yi , Lizhuang Ma , Yan-Pei Cao , Lu Sheng

Deploying robust machine learning models has to account for concept drifts arising due to the dynamically changing and non-stationary nature of data. Addressing drifts is particularly imperative in the security domain due to the…

密码学与安全 · 计算机科学 2022-06-16 Aditya Kuppa , Nhien-An Le-Khac

Transformer-based pre-trained models have revolutionized NLP for superior performance and generality. Fine-tuning pre-trained models for downstream tasks often requires private data, for which federated learning is the de-facto approach…

机器学习 · 计算机科学 2023-05-10 Dongqi Cai , Yaozong Wu , Shangguang Wang , Felix Xiaozhu Lin , Mengwei Xu

In the big data era, the computer vision field benefits from large-scale datasets such as LAION-2B, LAION-400M, and ImageNet-21K, Kinetics, on which popular models like the ViT and ConvNeXt series have been pre-trained, acquiring…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Qiankun Li , Feng He , Huabao Chen , Xin Ning , Kun Wang , Zengfu Wang

Cross-encoder models, which jointly encode and score a query-item pair, are prohibitively expensive for direct k-nearest neighbor (k-NN) search. Consequently, k-NN search typically employs a fast approximate retrieval (e.g. using BM25 or…

信息检索 · 计算机科学 2023-10-24 Nishant Yadav , Nicholas Monath , Manzil Zaheer , Andrew McCallum

Prompt tuning is a parameter-efficient way to deploy large-scale pre-trained models to downstream tasks by adding task-specific tokens. In terms of vision-language pre-trained (VLP) models, prompt tuning often requires a large number of…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Qiong Wu , Shubin Huang , Yiyi Zhou , Pingyang Dai , Annan Shu , Guannan Jiang , Rongrong Ji

In this paper, we introduce Attention Prompt Tuning (APT) - a computationally efficient variant of prompt tuning for video-based applications such as action recognition. Prompt tuning approaches involve injecting a set of learnable prompts…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Wele Gedara Chaminda Bandara , Vishal M. Patel

Recently, machine learning (ML) has become a popular approach to support self-adaptation. ML has been used to deal with several problems in self-adaptation, such as maintaining an up-to-date runtime model under uncertainty and scalable…

机器学习 · 计算机科学 2024-01-17 Omid Gheibi , Danny Weyns

Pansharpening is a challenging image fusion task that involves restoring images using two different modalities: low-resolution multispectral images (LRMS) and high-resolution panchromatic (PAN). Many end-to-end specialized models based on…

计算机视觉与模式识别 · 计算机科学 2024-09-12 RuoCheng Wu , ZiEn Zhang , ShangQi Deng , YuLe Duan , LiangJian Deng

Approximate k-Nearest Neighbour (ANN) methods are often used for mining information and aiding machine learning on large scale high-dimensional datasets. ANN methods typically differ in the index structure used for accelerating searches,…

机器学习 · 计算机科学 2025-02-04 Ben Harwood , Amir Dezfouli , Iadine Chades , Conrad Sanderson

Dense retrieval represents queries and documents as high-dimensional embeddings, but these representations can be redundant at the query level: for a given information need, only a subset of dimensions is consistently helpful for ranking.…

信息检索 · 计算机科学 2026-02-10 Zhanyu Wu , Richong Zhang , Zhijie Nie

A few models have tried to tackle the link prediction problem, also known as knowledge graph completion, by embedding knowledge graphs in comparably lower dimensions. However, the state-of-the-art results are attained at the cost of…

机器学习 · 计算机科学 2022-11-29 Peyman Baghershahi , Reshad Hosseini , Hadi Moradi

Deep learning often faces the challenge of efficiently processing dynamic inputs, such as sensor data or user inputs. For example, an AI writing assistant is required to update its suggestions in real time as a document is edited.…

机器学习 · 计算机科学 2023-07-28 Or Sharir , Anima Anandkumar

Vector similarity search is an essential primitive in modern AI and ML applications. Most vector databases adopt graph-based approximate nearest neighbor (ANN) search algorithms, such as DiskANN (Subramanya et al., 2019), which have…

数据结构与算法 · 计算机科学 2026-02-10 Tian Zhang , Ashwin Padaki , Jiaming Liang , Zack Ives , Erik Waingarten

Prompt learning has recently become a very efficient transfer learning paradigm for Contrastive Language Image Pretraining (CLIP) models. Compared with fine-tuning the entire encoder, prompt learning can obtain highly competitive results by…

机器学习 · 计算机科学 2024-08-30 Guoyizhe Wei , Feng Wang , Anshul Shah , Rama Chellappa

Ad relevance modeling plays a critical role in online advertising systems including Microsoft Bing. To leverage powerful transformers like BERT in this low-latency setting, many existing approaches perform ad-side computations offline.…

信息检索 · 计算机科学 2022-09-02 Li Lyna Zhang , Youkow Homma , Yujing Wang , Min Wu , Mao Yang , Ruofei Zhang , Ting Cao , Wei Shen

Although Recurrent Neural Network (RNN) has been a powerful tool for modeling sequential data, its performance is inadequate when processing sequences with multiple patterns. In this paper, we address this challenge by introducing a novel…

机器学习 · 计算机科学 2019-02-28 Kui Zhao , Yuechuan Li , Chi Zhang , Cheng Yang , Huan Xu