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Audiovisual representation learning typically relies on the correspondence between sight and sound. However, there are often multiple audio tracks that can correspond with a visual scene. Consider, for example, different conversations on…

Sound · Computer Science 2024-06-11 Nikhil Singh , Chih-Wei Wu , Iroro Orife , Mahdi Kalayeh

Contrastive Learning has recently achieved state-of-the-art performance in a wide range of tasks. Many contrastive learning approaches use mined hard negatives to make batches more informative during training but these approaches are…

Machine Learning · Computer Science 2023-06-08 Vin Sachidananda , Ziyi Yang , Chenguang Zhu

The Composed Image Retrieval (CIR) task aims to retrieve target images using a composed query consisting of a reference image and a modified text. Advanced methods often utilize contrastive learning as the optimization objective, which…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Zhangchi Feng , Richong Zhang , Zhijie Nie

Contrastive learning has emerged as a powerful paradigm for self-supervised representation learning. This work analyzes the theoretical limits of contrastive learning under nasty noise, where an adversary modifies or replaces training…

Machine Learning · Computer Science 2025-02-26 Ziruo Zhao

Lyrics alignment gained considerable attention in recent years. State-of-the-art systems either re-use established speech recognition toolkits, or design end-to-end solutions involving a Connectionist Temporal Classification (CTC) loss.…

Sound · Computer Science 2023-06-14 Simon Durand , Daniel Stoller , Sebastian Ewert

Video retrieval is becoming increasingly important owing to the rapid emergence of videos on the Internet. The dominant paradigm for video retrieval learns video-text representations by pushing the distance between the similarity of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Feng He , Qi Wang , Zhifan Feng , Wenbin Jiang , Yajuan Lv , Yong zhu , Xiao Tan

Recently, contrastive self-supervised learning has become a key component for learning visual representations across many computer vision tasks and benchmarks. However, contrastive learning in the context of domain adaptation remains…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Mamatha Thota , Georgios Leontidis

Recommender systems guide users through vast amounts of information by suggesting items based on their predicted preferences. Collaborative filtering-based deep learning techniques have regained popularity due to their straightforward…

Machine Learning · Computer Science 2024-09-11 Makbule Gulcin Ozsoy

Speech models may be affected by performance imbalance in different population subgroups, raising concerns about fair treatment across these groups. Prior attempts to mitigate unfairness either focus on user-defined subgroups, potentially…

Computation and Language · Computer Science 2024-09-17 Alkis Koudounas , Flavio Giobergia , Eliana Pastor , Elena Baralis

Recent advancements in audio-aware large language models (ALLMs) enable them to process and understand audio inputs. However, these models often hallucinate non-existent sound events, reducing their reliability in real-world applications.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-02 Chun-Yi Kuan , Hung-yi Lee

Contrastive learning based on instance discrimination trains model to discriminate different transformations of the anchor sample from other samples, which does not consider the semantic similarity among samples. This paper proposes a new…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Hao Li , Xiaopeng Zhang , Hongkai Xiong

Existing audio analysis methods generally first transform the audio stream to spectrogram, and then feed it into CNN for further analysis. A standard CNN recognizes specific visual patterns over feature map, then pools for high-level…

Sound · Computer Science 2023-03-16 Yulin Pan , Xiangteng He , Biao Gong , Yuxin Peng , Yiliang Lv

Graph contrastive learning (GCL) has been widely applied to text classification tasks due to its ability to generate self-supervised signals from unlabeled data, thus facilitating model training. However, existing GCL-based text…

Machine Learning · Computer Science 2024-10-25 Wei Ai , Jianbin Li , Ze Wang , Jiayi Du , Tao Meng , Yuntao Shou , Keqin Li

Contrastive learning relies on an assumption that positive pairs contain related views, e.g., patches of an image or co-occurring multimodal signals of a video, that share certain underlying information about an instance. But what if this…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Ching-Yao Chuang , R Devon Hjelm , Xin Wang , Vibhav Vineet , Neel Joshi , Antonio Torralba , Stefanie Jegelka , Yale Song

Despite recent advancements, audio-text models still lag behind their image-text counterparts in scale and performance. In this paper, we propose to improve both the data scale and the training procedure of audio-text contrastive models.…

Sound · Computer Science 2024-10-01 Ge Zhu , Jordan Darefsky , Zhiyao Duan

State-of-the-art model for zero-shot cross-lingual spoken language understanding performs cross-lingual unsupervised contrastive learning to achieve the label-agnostic semantic alignment between each utterance and its code-switched data.…

Computation and Language · Computer Science 2024-05-13 Bowen Xing , Ivor W. Tsang

Retrieval-based conversation systems generally tend to highly rank responses that are semantically similar or even identical to the given conversation context. While the system's goal is to find the most appropriate response, rather than…

Computation and Language · Computer Science 2018-10-09 Denis Fedorenko , Nikita Smetanin , Artem Rodichev

Dense retrieval (DR) has shown promising results in information retrieval. In essence, DR requires high-quality text representations to support effective search in the representation space. Recent studies have shown that pre-trained…

Information Retrieval · Computer Science 2022-08-23 Xinyu Ma , Ruqing Zhang , Jiafeng Guo , Yixing Fan , Xueqi Cheng

Due to the memorization effect in Deep Neural Networks (DNNs), training with noisy labels usually results in inferior model performance. Existing state-of-the-art methods primarily adopt a sample selection strategy, which selects small-loss…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Yazhou Yao , Zeren Sun , Chuanyi Zhang , Fumin Shen , Qi Wu , Jian Zhang , Zhenmin Tang

Existing NTMs with contrastive learning suffer from the sample bias problem owing to the word frequency-based sampling strategy, which may result in false negative samples with similar semantics to the prototypes. In this paper, we aim to…

Computation and Language · Computer Science 2023-07-06 Zheheng Luo , Lei Liu , Qianqian Xie , Sophia Ananiadou
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