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相关论文: An Efficient NAS-based Approach for Handling Imbal…

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The ability to rank candidate architectures is the key to the performance of neural architecture search~(NAS). One-shot NAS is proposed to reduce the expense but shows inferior performance against conventional NAS and is not adequately…

机器学习 · 计算机科学 2020-04-01 Renqian Luo , Tao Qin , Enhong Chen

Class-imbalanced data, in which some classes contain far more samples than others, is ubiquitous in real-world applications. Standard techniques for handling class-imbalance usually work by training on a re-weighted loss or on re-balanced…

人工智能 · 计算机科学 2021-06-18 Arpit Bansal , Micah Goldblum , Valeriia Cherepanova , Avi Schwarzschild , C. Bayan Bruss , Tom Goldstein

The long-tailed distribution datasets poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balacing strategies or transfer learing from…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Gongzhe Li , Zhiwen Tan , Linpeng Pan

Recently proposed neural architecture search (NAS) methods co-train billions of architectures in a supernet and estimate their potential accuracy using the network weights detached from the supernet. However, the ranking correlation between…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Jiefeng Peng , Jiqi Zhang , Changlin Li , Guangrun Wang , Xiaodan Liang , Liang Lin

Neural architecture search (NAS) can have a significant impact in computer vision by automatically designing optimal neural network architectures for various tasks. A variant, binarized neural architecture search (BNAS), with a search space…

计算机视觉与模式识别 · 计算机科学 2020-02-12 Hanlin Chen , Li'an Zhuo , Baochang Zhang , Xiawu Zheng , Jianzhuang Liu , David Doermann , Rongrong Ji

Neural networks trained on real-world datasets with long-tailed label distributions are biased towards frequent classes and perform poorly on infrequent classes. The imbalance in the ratio of positive and negative samples for each class…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Kevin Duarte , Yogesh S. Rawat , Mubarak Shah

Long-tailed instance segmentation is a challenging task due to the extreme imbalance of training samples among classes. It causes severe biases of the head classes (with majority samples) against the tailed ones. This renders "how to…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Yin-Yin He , Peizhen Zhang , Xiu-Shen Wei , Xiangyu Zhang , Jian Sun

Deep neural networks frequently suffer from performance degradation when the training data is long-tailed because several majority classes dominate the training, resulting in a biased model. Recent studies have made a great effort in…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Mengke Li , Yiu-ming Cheung , Juyong Jiang

Long-tailed relation classification is a challenging problem as the head classes may dominate the training phase, thereby leading to the deterioration of the tail performance. Existing solutions usually address this issue via…

机器学习 · 计算机科学 2023-01-26 Haiyang Yu , Ningyu Zhang , Shumin Deng , Zonggang Yuan , Yantao Jia , Huajun Chen

Real-world visual data often exhibits a long-tailed distribution, where some ''head'' classes have a large number of samples, yet only a few samples are available for ''tail'' classes. Such imbalanced distribution causes a great challenge…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Junjie Zhang , Lingqiao Liu , Peng Wang , Chunhua Shen

Practical natural language processing (NLP) tasks are commonly long-tailed with noisy labels. Those problems challenge the generalization and robustness of complex models such as Deep Neural Networks (DNNs). Some commonly used resampling…

计算与语言 · 计算机科学 2023-05-04 Sunyi Chi , Bo Dong , Yiming Xu , Zhenyu Shi , Zheng Du

Loss reweighting is a widely used strategy for long-tailed classification, but existing reweighting strategies often rely on heuristics and rarely define a well-specified target. Inspired by Neural Collapse (NC), the ideal simplex…

机器学习 · 计算机科学 2026-05-12 Jinping Wang , Zixin Tong , Zhiwu Xie , Zhiqiang Gao

Long-tailed classification poses a challenge due to its heavy imbalance in class probabilities and tail-sensitivity risks with asymmetric misprediction costs. Recent attempts have used re-balancing loss and ensemble methods, but they are…

机器学习 · 计算机科学 2023-03-22 Bolian Li , Ruqi Zhang

Continual learning from a sequential stream of data is a crucial challenge for machine learning research. Most studies have been conducted on this topic under the single-label classification setting along with an assumption of balanced…

机器学习 · 计算机科学 2020-09-09 Chris Dongjoo Kim , Jinseo Jeong , Gunhee Kim

Real-world data usually present long-tailed distributions. Training on imbalanced data tends to render neural networks perform well on head classes while much worse on tail classes. The severe sparseness of training instances for the tail…

机器学习 · 计算机科学 2021-11-10 Chaozheng Wang , Shuzheng Gao , Cuiyun Gao , Pengyun Wang , Wenjie Pei , Lujia Pan , Zenglin Xu

Real-world data is extremely imbalanced and presents a long-tailed distribution, resulting in models that are biased towards classes with sufficient samples and perform poorly on rare classes. Recent methods propose to rebalance classes but…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Weiqi Li , Fan Lyu , Fanhua Shang , Liang Wan , Wei Feng

Precise breast cancer classification on histopathological images has the potential to greatly improve the diagnosis and patient outcome in oncology. The data imbalance problem largely stems from the inherent imbalance within medical image…

图像与视频处理 · 电气工程与系统科学 2024-11-28 Majid Behzadpour , Bengie L. Ortiz , Ebrahim Azizi , Kai Wu

Deep learning models require extensive architecture design exploration and hyperparameter optimization to perform well on a given task. The exploration of the model design space is often made by a human expert, and optimized using a…

人工智能 · 计算机科学 2017-10-31 Catherine Wong , Andrea Gesmundo

Neural Architecture Search (NAS) has proved effective in offering outperforming alternatives to handcrafted neural networks. In this paper we analyse the benefits of NAS for image classification tasks under strict computational constraints.…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Cristian Cioflan , Radu Timofte

Real-world data universally confronts a severe class-imbalance problem and exhibits a long-tailed distribution, i.e., most labels are associated with limited instances. The na\"ive models supervised by such datasets would prefer dominant…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Zhengzhuo Xu , Zenghao Chai , Chun Yuan