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Composed image retrieval aims to find an image that best matches a given multi-modal user query consisting of a reference image and text pair. Existing methods commonly pre-compute image embeddings over the entire corpus and compare these…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Zheyuan Liu , Weixuan Sun , Damien Teney , Stephen Gould

Cross-modal embeddings, between textual and visual modalities, aim to organise multimodal instances by their semantic correlations. State-of-the-art approaches use maximum-margin methods, based on the hinge-loss, to enforce a constant…

多媒体 · 计算机科学 2019-10-01 David Semedo , João Magalhães

This paper addresses Visual Place Recognition (VPR), which is essential for the safe navigation of mobile robots. The solution we propose employs panoramic images and deep learning models, which are fine-tuned with triplet loss functions…

机器人学 · 计算机科学 2025-10-03 Marcos Alfaro , Juan José Cabrera , María Flores , Óscar Reinoso , Luis Payá

Composed Image Retrieval (CIR) aims to search an image of interest using a combination of a reference image and modification text as the query. Despite recent advancements, this task remains challenging due to limited training data and…

信息检索 · 计算机科学 2025-04-09 Yinan Zhou , Yaxiong Wang , Haokun Lin , Chen Ma , Li Zhu , Zhedong Zheng

Cross-Modal Retrieval (CMR), which retrieves relevant items from one modality (e.g., audio) given a query in another modality (e.g., visual), has undergone significant advancements in recent years. This capability is crucial for robots to…

机器人学 · 计算机科学 2024-07-31 Jagoda Wojcik , Jiaqi Jiang , Jiacheng Wu , Shan Luo

Machine learning models are increasingly being utilized across various fields and tasks due to their outstanding performance and strong generalization capabilities. Nonetheless, their success hinges on the availability of large volumes of…

机器学习 · 计算机科学 2024-11-26 Shreen Gul , Mohamed Elmahallawy , Sanjay Madria , Ardhendu Tripathy

We propose a method that substantially improves the efficiency of deep distance metric learning based on the optimization of the triplet loss function. One epoch of such training process based on a naive optimization of the triplet loss…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Thanh-Toan Do , Toan Tran , Ian Reid , Vijay Kumar , Tuan Hoang , Gustavo Carneiro

Missing modalities have recently emerged as a critical research direction in multimodal emotion recognition (MER). Conventional approaches typically address this issue through missing modality reconstruction. However, these methods fail to…

机器学习 · 计算机科学 2025-08-15 Rui Liu , Haolin Zuo , Zheng Lian , Hongyu Yuan , Qi Fan

Unlike traditional Multimodal Class-Incremental Learning (MCIL) methods that focus only on vision and text, this paper explores MCIL across vision, audio and text modalities, addressing challenges in integrating complementary information…

机器学习 · 计算机科学 2025-06-13 Yukun Chen , Zihuan Qiu , Fanman Meng , Hongliang Li , Linfeng Xu , Qingbo Wu

We study the recovery of multiple high-dimensional signals from two noisy, correlated modalities: a spiked matrix and a spiked tensor sharing a common low-rank structure. This setting generalizes classical spiked matrix and tensor models,…

机器学习 · 统计学 2025-06-04 Hugo Tabanelli , Pierre Mergny , Lenka Zdeborova , Florent Krzakala

Due to the difficulties of obtaining multimodal paired images in clinical practice, recent studies propose to train brain tumor segmentation models with unpaired images and capture complementary information through modality translation.…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Zecheng Liu , Jia Wei , Rui Li

The rapid growth of user-generated videos on the Internet has intensified the need for text-based video retrieval systems. Traditional methods mainly favor the concept-based paradigm on retrieval with simple queries, which are usually…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Xun Yang , Jianfeng Dong , Yixin Cao , Xun Wang , Meng Wang , Tat-Seng Chua

Video retrieval using natural language queries requires learning semantically meaningful joint embeddings between the text and the audio-visual input. Often, such joint embeddings are learnt using pairwise (or triplet) contrastive loss…

信息检索 · 计算机科学 2021-03-10 Jayaprakash A , Abhishek , Rishabh Dabral , Ganesh Ramakrishnan , Preethi Jyothi

Cross-modal retrieval aims to learn discriminative and modal-invariant features for data from different modalities. Unlike the existing methods which usually learn from the features extracted by offline networks, in this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Longlong Jing , Elahe Vahdani , Jiaxing Tan , Yingli Tian

Reinforcement learning (RL) has emerged as a powerful tool for tackling control problems, but its practical application is often hindered by the complexity arising from intricate reward functions with multiple terms. The reward hypothesis…

机器学习 · 计算机科学 2025-02-11 Kilian Freitag , Kristian Ceder , Rita Laezza , Knut Åkesson , Morteza Haghir Chehreghani

In this paper, we propose a method for incremental learning of two distinct tasks over time: acoustic scene classification (ASC) and audio tagging (AT). We use a simple convolutional neural network (CNN) model as an incremental learner to…

音频与语音处理 · 电气工程与系统科学 2023-08-25 Manjunath Mulimani , Annamaria Mesaros

Audio-visual speech recognition (AVSR) combines audio-visual modalities to improve speech recognition, especially in noisy environments. However, most existing methods deploy the unidirectional enhancement or symmetric fusion manner, which…

多媒体 · 计算机科学 2025-08-12 Junxiao Xue , Xiaozhen Liu , Xuecheng Wu , Xinyi Yin , Danlei Huang , Fei Yu

Vision is often used as a complementary modality for audio speech recognition (ASR), especially in the noisy environment where performance of solo audio modality significantly deteriorates. After combining visual modality, ASR is upgraded…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Bo Xu , Cheng Lu , Yandong Guo , Jacob Wang

Majority of the modern meta-learning methods for few-shot classification tasks operate in two phases: a meta-training phase where the meta-learner learns a generic representation by solving multiple few-shot tasks sampled from a large…

机器学习 · 计算机科学 2020-04-23 Qing Liu , Orchid Majumder , Alessandro Achille , Avinash Ravichandran , Rahul Bhotika , Stefano Soatto

Metric learning minimizes the gap between similar (positive) pairs of data points and increases the separation of dissimilar (negative) pairs, aiming at capturing the underlying data structure and enhancing the performance of tasks like…

声音 · 计算机科学 2024-04-24 Donghuo Zeng , Yanan Wang , Kazushi Ikeda , Yi Yu