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Embedding models trained separately on similar data often produce representations that encode stable information but are not directly interchangeable. This lack of interoperability raises challenges in several practical applications, such…

机器学习 · 计算机科学 2025-10-16 Lucas Maystre , Alvaro Ortega Gonzalez , Charles Park , Rares Dolga , Tudor Berariu , Yu Zhao , Kamil Ciosek

Accurately modeling users' evolving preferences from sequential interactions remains a central challenge in recommender systems. Recent studies emphasize the importance of capturing multiple latent intents underlying user behaviors.…

信息检索 · 计算机科学 2026-04-21 Shanfan Zhang , Yongyi Lin , Yuan Rao

This research addresses a fundamental question in AI: whether large language models truly understand concepts or simply recognize patterns. The authors propose bidirectional reasoning,the ability to apply transformations in both directions…

A promising paradigm for adapting instruction-tuned language models is to learn task-specific updates on a pretrained base model and subsequently merge them into the instruction-tuned model. However, existing approaches typically treat the…

计算与语言 · 计算机科学 2026-05-05 Zhiwen Ruan , Yichao Du , Jianjie Zheng , Longyue Wang , Yun Chen , Peng Li , Jinsong Su , Yang Liu , Guanhua Chen

The emergence of learned indexes has caused a paradigm shift in our perception of indexing by considering indexes as predictive models that estimate keys' positions within a data set, resulting in notable improvements in key search…

数据库 · 计算机科学 2024-08-09 Alireza Heidari , Amirhossein Ahmadi , Wei Zhang

We propose a novel method for protecting trained models with a secret key so that unauthorized users without the correct key cannot get the correct inference. By taking advantage of transfer learning, the proposed method enables us to train…

机器学习 · 计算机科学 2021-03-08 MaungMaung AprilPyone , Hitoshi Kiya

The combination of deep neural networks and Differential Privacy has been of increasing interest in recent years, as it offers important data protection guarantees to the individuals of the training datasets used. However, using…

Nowadays, due to advanced digital imaging technologies and internet accessibility to the public, the number of generated digital images has increased dramatically. Thus, the need for automatic image enhancement techniques is quite apparent.…

图像与视频处理 · 电气工程与系统科学 2021-12-08 Saeedeh Rezaee , Nezam Mahdavi-Amiri

Personal photos of individuals when shared online, apart from exhibiting a myriad of memorable details, also reveals a wide range of private information and potentially entails privacy risks (e.g., online harassment, tracking). To mitigate…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hui-Po Wang , Tribhuvanesh Orekondy , Mario Fritz

It is difficult to collect data on a large scale in a monocular depth estimation because the task requires the simultaneous acquisition of RGB images and depths. Data augmentation is thus important to this task. However, there has been…

计算机视觉与模式识别 · 计算机科学 2021-07-19 Yasunori Ishii , Takayoshi Yamashita

Conventional computer vision models rely on very deep, feedforward networks processing whole images and trained offline with extensive labeled data. In contrast, biological vision relies on comparatively shallow, recurrent networks that…

神经与进化计算 · 计算机科学 2024-11-27 Osvaldo M Velarde , Lucas C Parra

Variations of target appearance such as deformations, illumination variance, occlusion, etc., are the major challenges of visual object tracking that negatively impact the performance of a tracker. An effective method to tackle these…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Dongwook Lee , Wonjun Choi , Seohyung Lee , ByungIn Yoo , Eunho Yang , Seongju Hwang

The main challenge for fine-grained few-shot image classification is to learn feature representations with higher inter-class and lower intra-class variations, with a mere few labelled samples. Conventional few-shot learning methods however…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Jijie Wu , Dongliang Chang , Aneeshan Sain , Xiaoxu Li , Zhanyu Ma , Jie Cao , Jun Guo , Yi-Zhe Song

Embedding-based neural retrieval is a prevalent approach to address the semantic gap problem which often arises in product search on tail queries. In contrast, popular queries typically lack context and have a broad intent where additional…

信息检索 · 计算机科学 2024-09-26 Rishikesh Jha , Siddharth Subramaniyam , Ethan Benjamin , Thrivikrama Taula

Deep image prior (DIP) was recently introduced as an effective unsupervised approach for image restoration tasks. DIP represents the image to be recovered as the output of a deep convolutional neural network, and learns the network's…

图像与视频处理 · 电气工程与系统科学 2023-02-10 Riccardo Barbano , Johannes Leuschner , Maximilian Schmidt , Alexander Denker , Andreas Hauptmann , Peter Maaß , Bangti Jin

Activity classification has observed great success recently. The performance on small dataset is almost saturated and people are moving towards larger datasets. What leads to the performance gain on the model and what the model has learnt?…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Jialing Lyu , Weichao Qiu , Xinyue Wei , Yi Zhang , Alan Yuille , Zheng-Jun Zha

We propose Sideways, an approximate backpropagation scheme for training video models. In standard backpropagation, the gradients and activations at every computation step through the model are temporally synchronized. The forward…

机器学习 · 计算机科学 2020-04-01 Mateusz Malinowski , Grzegorz Swirszcz , Joao Carreira , Viorica Patraucean

Machine learning models are susceptible to a variety of attacks that can erode trust, including attacks against the privacy of training data, and adversarial examples that jeopardize model accuracy. Differential privacy and certified…

Generative diffusion models can serve as a prior which ensures that solutions of image restoration systems adhere to the manifold of natural images. However, for restoring facial images, a personalized prior is necessary to accurately…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Pradyumna Chari , Sizhuo Ma , Daniil Ostashev , Achuta Kadambi , Gurunandan Krishnan , Jian Wang , Kfir Aberman

Collaborative training of neural networks leverages distributed data by exchanging gradient information between different clients. Although training data entirely resides with the clients, recent work shows that training data can be…

机器学习 · 计算机科学 2021-10-22 Daniel Scheliga , Patrick Mäder , Marco Seeland