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In this paper, we introduce the approach behind our submission for the MIRACL challenge, a WSDM 2023 Cup competition that centers on ad-hoc retrieval across 18 diverse languages. Our solution contains two neural-based models. The first…

Information Retrieval · Computer Science 2023-02-28 Zhiqi Huang , Puxuan Yu , James Allan

Dense retrieval is widely used for entity linking to retrieve entities from large-scale knowledge bases. Mainstream techniques are based on a dual-encoder framework, which encodes mentions and entities independently and calculates their…

Computation and Language · Computer Science 2023-05-30 Yi Liu , Yuan Tian , Jianxun Lian , Xinlong Wang , Yanan Cao , Fang Fang , Wen Zhang , Haizhen Huang , Denvy Deng , Qi Zhang

Benefiting from transformer-based pre-trained language models, neural ranking models have made significant progress. More recently, the advent of multilingual pre-trained language models provides great support for designing neural…

Computation and Language · Computer Science 2023-01-31 Zhiqi Huang , Puxuan Yu , James Allan

Despite the recent developments in the field of cross-modal retrieval, there has been less research focusing on low-resource languages due to the lack of manually annotated datasets. In this paper, we propose a noise-robust cross-lingual…

Computer Vision and Pattern Recognition · Computer Science 2022-08-29 Yabing Wang , Jianfeng Dong , Tianxiang Liang , Minsong Zhang , Rui Cai , Xun Wang

Recently, the cross-modal pre-training task has been a hotspot because of its wide application in various down-streaming researches including retrieval, captioning, question answering and so on. However, exiting methods adopt a one-stream…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Keyu Wen , Zhenshan Tan , Qingrong Cheng , Cheng Chen , Xiaodong Gu

Knowledge distillation (KD) is one of the prominent techniques for model compression. In this method, the knowledge of a large network (teacher) is distilled into a model (student) with usually significantly fewer parameters. KD tries to…

Machine Learning · Computer Science 2023-01-31 Aref Jafari , Mehdi Rezagholizadeh , Ali Ghodsi

The teacher-free online Knowledge Distillation (KD) aims to train an ensemble of multiple student models collaboratively and distill knowledge from each other. Although existing online KD methods achieve desirable performance, they often…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Chuanguang Yang , Zhulin An , Helong Zhou , Fuzhen Zhuang , Yongjun Xu , Qian Zhan

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

Knowledge distillation is an effective approach to learn compact models (students) with the supervision of large and strong models (teachers). As empirically there exists a strong correlation between the performance of teacher and student…

Machine Learning · Computer Science 2022-10-13 Chaofei Wang , Qisen Yang , Rui Huang , Shiji Song , Gao Huang

While the current state-of-the-art dense retrieval models exhibit strong out-of-domain generalization, they might fail to capture nuanced domain-specific knowledge. In principle, fine-tuning these models for specialized retrieval tasks…

Information Retrieval · Computer Science 2025-02-28 Manveer Singh Tamber , Suleman Kazi , Vivek Sourabh , Jimmy Lin

Very low-resolution face recognition is challenging due to the serious loss of informative facial details in resolution degradation. In this paper, we propose a generative-discriminative representation distillation approach that combines…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Junzheng Zhang , Weijia Guo , Bochao Liu , Ruixin Shi , Yong Li , Shiming Ge

In this paper, we propose a cross-modal distillation method named StereoDistill to narrow the gap between the stereo and LiDAR-based approaches via distilling the stereo detectors from the superior LiDAR model at the response level, which…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Zhe Liu , Xiaoqing Ye , Xiao Tan , Errui Ding , Xiang Bai

In 3D action recognition, there exists rich complementary information between skeleton modalities. Nevertheless, how to model and utilize this information remains a challenging problem for self-supervised 3D action representation learning.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunyao Mao , Wengang Zhou , Zhenbo Lu , Jiajun Deng , Houqiang Li

Knowledge Distillation (KD) has been used in image classification for model compression. However, rare studies apply this technology on single-stage object detectors. Focal loss shows that the accumulated errors of easily-classified samples…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Shitao Tang , Litong Feng , Wenqi Shao , Zhanghui Kuang , Wei Zhang , Yimin Chen

In this paper, we tackle a new problem: how to transfer knowledge from the pre-trained cumbersome yet well-performed CNN-based model to learn a compact Vision Transformer (ViT)-based model while maintaining its learning capacity? Due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Xu Zheng , Yunhao Luo , Pengyuan Zhou , Lin Wang

We propose a novel way to train ranking models, such as recommender systems, that are both effective and efficient. Knowledge distillation (KD) was shown to be successful in image recognition to achieve both effectiveness and efficiency. We…

Machine Learning · Computer Science 2018-09-21 Jiaxi Tang , Ke Wang

In recent years, cross-modal retrieval has drawn much attention due to the rapid growth of multimodal data. It takes one type of data as the query to retrieve relevant data of another type. For example, a user can use a text to retrieve…

Multimedia · Computer Science 2016-07-22 Kaiye Wang , Qiyue Yin , Wei Wang , Shu Wu , Liang Wang

Vision Transformers (ViTs) have achieved significant advancement in computer vision tasks due to their powerful modeling capacity. However, their performance notably degrades when trained with insufficient data due to lack of inherent…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Omar S. EL-Assiouti , Ghada Hamed , Dina Khattab , Hala M. Ebied

Knowledge distillation is a model compression technique in which a compact "student" network is trained to replicate the predictive behavior of a larger "teacher" network. In logit-based knowledge distillation, it has become the de facto…

Machine Learning · Computer Science 2026-05-12 Ejafa Bassam , Dawei Zhu , Kaigui Bian

Distribution matching distillation (DMD) facilitates few-step image generation by aligning a distilled student with a reference multi-step teacher. In practice, however, optimizing DMD can reduce sample diversity in few-step synthesis, and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Tianhe Wu , Ruibin Li , Lei Zhang , Kede Ma