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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…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Feng He , Qi Wang , Zhifan Feng , Wenbin Jiang , Yajuan Lv , Yong zhu , Xiao Tan

Objective: Knowledge based planning (KBP) typically involves training an end-to-end deep learning model to predict dose distributions. However, training end-to-end methods may be associated with practical limitations due to the limited size…

Class-level machine unlearning aims to remove the influence of specified classes while preserving model utility on retained classes. Existing methods are commonly evaluated by retain-set accuracy, forget-set accuracy, and unlearning time,…

机器学习 · 计算机科学 2026-05-12 Weidong Zheng , Kongyang Chen , Yuanwei Guo , Yatie Xiao

Cross-modal retrieval has drawn much attention in both computer vision and natural language processing domains. With the development of convolutional and recurrent neural networks, the bottleneck of retrieval across image-text modalities is…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Jianan Chen , Lu Zhang , Qiong Wang , Cong Bai , Kidiyo Kpalma

Composed image retrieval searches for a target image based on a multi-modal user query comprised of a reference image and modification text describing the desired changes. Existing approaches to solving this challenging task learn a mapping…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Zheyuan Liu , Weixuan Sun , Yicong Hong , Damien Teney , Stephen Gould

In neural networks, the loss function represents the core of the learning process that leads the optimizer to an approximation of the optimal convergence error. Convolutional neural networks (CNN) use the loss function as a supervisory…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Riccardo La Grassa , Ignazio Gallo , Nicola Landro

In open set recognition, deep neural networks encounter object classes that were unknown during training. Existing open set classifiers distinguish between known and unknown classes by measuring distance in a network's logit space, assuming…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Dimity Miller , Niko Sünderhauf , Michael Milford , Feras Dayoub

We develop the first active learning method for contextual linear optimization. Specifically, we introduce a label acquisition algorithm that sequentially decides whether to request the ``labels'' of feature samples from an unlabeled data…

机器学习 · 计算机科学 2025-01-31 Mo Liu , Paul Grigas , Heyuan Liu , Zuo-Jun Max Shen

Compared with model architectures, the training process, which is also crucial to the success of detectors, has received relatively less attention in object detection. In this work, we carefully revisit the standard training practice of…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Jiangmiao Pang , Kai Chen , Jianping Shi , Huajun Feng , Wanli Ouyang , Dahua Lin

This paper describes one objective function for learning semantically coherent feature embeddings in multi-output classification problems, i.e., when the response variables have dimension higher than one. In particular, we consider the…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Hugo Proença , Ehsan Yaghoubi , Pendar Alirezazadeh

The task of composed image retrieval (CIR) aims to retrieve images based on the query image and the text describing the users' intent. Existing methods have made great progress with the advanced large vision-language (VL) model in CIR task,…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Yongchao Du , Min Wang , Wengang Zhou , Shuping Hui , Houqiang Li

Remote sensing image retrieval (RSIR) is the process of ranking database images depending on the degree of similarity compared to the query image. As the complexity of RSIR increases due to the diversity in shooting range, angle, and…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Hyunseung Chung , Woo-Jeoung Nam , Seong-Whan Lee

The Forward-Forward (FF) Algorithm has been recently proposed to alleviate the issues of backpropagation (BP) commonly used to train deep neural networks. However, its current formulation exhibits limitations such as the generation of…

机器学习 · 计算机科学 2024-03-29 Andreas Papachristodoulou , Christos Kyrkou , Stelios Timotheou , Theocharis Theocharides

The paper approaches the binary signature for each image based on the percentage of the pixels in each color images, at the same time the paper builds a similar measure between images based on EMD (Earth Mover's Distance). Besides, the…

计算机视觉与模式识别 · 计算机科学 2015-06-04 Thanh Manh Le , Thanh The Van

Continual learning, also known as lifelong learning or incremental learning, refers to the process by which a model learns from a stream of incoming data over time. A common problem in continual learning is the classification layer's bias…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Haoran Chen , Micah Goldblum , Zuxuan Wu , Yu-Gang Jiang

Few-shot learning (FSL) has attracted increasing attention in recent years but remains challenging, due to the intrinsic difficulty in learning to generalize from a few examples. This paper proposes an adaptive margin principle to improve…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Aoxue Li , Weiran Huang , Xu Lan , Jiashi Feng , Zhenguo Li , Liwei Wang

The recent focus on Fine-Grained Sketch-Based Image Retrieval (FG-SBIR) has shifted towards generalising a model to new categories without any training data from them. In real-world applications, however, a trained FG-SBIR model is often…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Ayan Kumar Bhunia , Aneeshan Sain , Parth Shah , Animesh Gupta , Pinaki Nath Chowdhury , Tao Xiang , Yi-Zhe Song

The increasing volume of medical images poses challenges for radiologists in retrieving relevant cases. Content-based image retrieval (CBIR) systems offer potential for efficient access to similar cases, yet lack standardized evaluation and…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Farnaz Khun Jush , Steffen Vogler , Matthias Lenga

In recent years a vast amount of visual content has been generated and shared from many fields, such as social media platforms, medical imaging, and robotics. This abundance of content creation and sharing has introduced new challenges,…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Wei Chen , Yu Liu , Weiping Wang , Erwin Bakker , Theodoros Georgiou , Paul Fieguth , Li Liu , Michael S. Lew

Convolutional neural networks (CNNs) have achieved significant success in image classification by utilizing large-scale datasets. However, it is still of great challenge to learn from scratch on small-scale datasets efficiently and…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Yilu Guo , Shicai Yang , Weijie Chen , Liang Ma , Di Xie , Shiliang Pu