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State-of-the-art deep face recognition methods are mostly trained with a softmax-based multi-class classification framework. Despite being popular and effective, these methods still have a few shortcomings that limit empirical performance.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Yandong Wen , Weiyang Liu , Adrian Weller , Bhiksha Raj , Rita Singh

Few-shot image classification has become a popular research topic for its wide application in real-world scenarios, however the problem of supervision collapse induced by single image-level annotation remains a major challenge. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Kexin Di , Xiuxing Li , Yuyang Han , Ziyu Li , Qing Li , Xia Wu

Convolutional Neural Networks (CNNs) trained with the Softmax loss are widely used classification models for several vision tasks. Typically, a learnable transformation (i.e. the classifier) is placed at the end of such models returning…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Federico Pernici , Matteo Bruni , Claudio Baecchi , Alberto Del Bimbo

For many segmentation tasks, especially for the biomedical image, the topological prior is vital information which is useful to exploit. The containment/nesting is a typical inter-class geometric relationship. In the MICCAI Brain tumor…

Computer Vision and Pattern Recognition · Computer Science 2018-11-05 Xiaobin Hu , Hongwei Li , Yu Zhao , Chao Dong , Bjoern H. Menze , Marie Piraud

Class Activation Mapping (CAM) methods are widely used to visualize neural network decisions, yet their underlying mechanisms remain incompletely understood. To enhance the understanding of CAM methods and improve their explainability, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Huaiguang Cai

Visual explanation enables human to understand the decision making of Deep Convolutional Neural Network (CNN), but it is insufficient to contribute the performance improvement. In this paper, we focus on the attention map for visual…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Hiroshi Fukui , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

The proliferation of sophisticated generative AI models has significantly escalated the threat of synthetic manipulations in identity documents, particularly through face swapping and text inpainting attacks. This paper presents…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Chan Naseeb , Adeel Ashraf Cheema , Hassan Sami , Tayyab Afzal , Muhammad Omair , Usman Habib

Gating mechanisms have been widely utilized, from early models like LSTMs and Highway Networks to recent state space models, linear attention, and also softmax attention. Yet, existing literature rarely examines the specific effects of…

Computation and Language · Computer Science 2025-05-13 Zihan Qiu , Zekun Wang , Bo Zheng , Zeyu Huang , Kaiyue Wen , Songlin Yang , Rui Men , Le Yu , Fei Huang , Suozhi Huang , Dayiheng Liu , Jingren Zhou , Junyang Lin

While class activation map (CAM) generated by image classification network has been widely used for weakly supervised object localization (WSOL) and semantic segmentation (WSSS), such classifiers usually focus on discriminative object…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Jinheng Xie , Jianfeng Xiang , Junliang Chen , Xianxu Hou , Xiaodong Zhao , Linlin Shen

In the domain of point cloud registration, the coarse-to-fine feature matching paradigm has received substantial attention owing to its impressive performance. This paradigm involves a two-step process: first, the extraction of multi-level…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Junjie Gao , Qiujie Dong , Ruian Wang , Shuangmin Chen , Shiqing Xin , Changhe Tu , Wenping Wang

With the growing demand for interpretable deep learning models, this paper introduces Integrative CAM, an advanced Class Activation Mapping (CAM) technique aimed at providing a holistic view of feature importance across Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Aniket K. Singh , Debasis Chaudhuri , Manish P. Singh , Samiran Chattopadhyay

The challenge of fine-grained visual recognition often lies in discovering the key discriminative regions. While such regions can be automatically identified from a large-scale labeled dataset, a similar method might become less effective…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Yangyang Shu , Baosheng Yu , Haiming Xu , Lingqiao Liu

A mobility map, which provides maximum achievable speed on a given terrain, is essential for path planning of autonomous ground vehicles in off-road settings. While physics-based simulations play a central role in creating next-generation,…

Machine Learning · Computer Science 2020-03-10 Gary R. Marple , David Gorsich , Paramsothy Jayakumar , Shravan Veerapaneni

This study presents a comparative analysis of two objective functions, Mean Squared Error (MSE) and Softmax Cross-Entropy (SCE) for neural network classification tasks. While SCE combined with softmax activation is the conventional choice…

Machine Learning · Computer Science 2024-11-19 Kanishka Tyagi , Chinmay Rane , Ketaki Vaidya , Jeshwanth Challgundla , Soumitro Swapan Auddy , Michael Manry

When some application scenarios need to use semantic segmentation technology, like automatic driving, the primary concern comes to real-time performance rather than extremely high segmentation accuracy. To achieve a good trade-off between…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Liang Liao , Liang Wan , Mingsheng Liu , Shusheng Li

We introduce an architecture for large-scale image categorization that enables the end-to-end learning of separate visual features for the different classes to distinguish. The proposed model consists of a deep CNN shaped like a tree. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Karim Ahmed , Lorenzo Torresani

The current spike of hyper-realistic faces artificially generated using deepfakes calls for media forensics solutions that are tailored to video streams and work reliably with a low false alarm rate at the video level. We present a method…

Computer Vision and Pattern Recognition · Computer Science 2020-09-07 Iacopo Masi , Aditya Killekar , Royston Marian Mascarenhas , Shenoy Pratik Gurudatt , Wael AbdAlmageed

The image-level label has prevailed in weakly supervised semantic segmentation tasks due to its easy availability. Since image-level labels can only indicate the existence or absence of specific categories of objects, visualization-based…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Tao Chen , Yazhou Yao , Xingguo Huang , Zechao Li , Liqiang Nie , Jinhui Tang

Softmax is widely used in neural networks for multiclass classification, gate structure and attention mechanisms. The statistical assumption that the input is normal distributed supports the gradient stability of Softmax. However, when used…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shulun Wang , Bin Liu , Feng Liu

Training an accurate object detector is expensive and time-consuming. One main reason lies in the laborious labeling process, i.e., annotating category and bounding box information for all instances in every image. In this paper, we examine…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Qing Tian , Sampath Chanda , K C Amit Kumar , Douglas Gray