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Deep learning models have great potential in medical imaging, including orthodontics and skeletal maturity assessment. However, applying a model to data different from its training set can lead to unreliable predictions that may impact…

Image and Video Processing · Electrical Eng. & Systems 2025-05-15 Omid Halimi Milani , Amanda Nikho , Lauren Mills , Marouane Tliba , Ahmet Enis Cetin , Mohammed H. Elnagar

Recently, the emergence of the large-scale vision-language model (VLM), such as CLIP, has opened the way towards open-world object perception. Many works have explored the utilization of pre-trained VLM for the challenging open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Youwei Pang , Xiaoqi Zhao , Jiaming Zuo , Lihe Zhang , Huchuan Lu

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

It is very attractive to formulate vision in terms of pattern theory \cite{Mumford2010pattern}, where patterns are defined hierarchically by compositions of elementary building blocks. But applying pattern theory to real world images is…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Jianyu Wang , Zhishuai Zhang , Cihang Xie , Yuyin Zhou , Vittal Premachandran , Jun Zhu , Lingxi Xie , Alan Yuille

Extracting class activation maps (CAM) is arguably the most standard step of generating pseudo masks for weakly-supervised semantic segmentation (WSSS). Yet, we find that the crux of the unsatisfactory pseudo masks is the binary…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Zhaozheng Chen , Tan Wang , Xiongwei Wu , Xian-Sheng Hua , Hanwang Zhang , Qianru Sun

Interpreting the decisions of Convolutional Neural Networks (CNNs) is essential for understanding their behavior, yet explainability remains a significant challenge, particularly for self-supervised models. Most existing methods for…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Aymene Mohammed Bouayed , Samuel Deslauriers-Gauthier , Adrian Iaccovelli , David Naccache

We introduce Variational Latent Mode Decomposition (VLMD), a new algorithm for extracting oscillatory modes and associated connectivity structures from multivariate signals. VLMD addresses key limitations of existing Multivariate Mode…

Machine Learning · Computer Science 2025-05-26 Manuel Morante , Naveed ur Rehman

As gradient descent method in deep learning causes a series of questions, this paper proposes a novel gradient-free deep learning structure. By adding a new module into traditional Self-Organizing Map and introducing residual into the map,…

Machine Learning · Computer Science 2022-01-27 Shaosheng Xu , Jinde Cao , Yichao Cao , Tong Wang

Image-level weakly supervised semantic segmentation (WSSS) relies on class activation maps (CAMs) for pseudo labels generation. As CAMs only highlight the most discriminative regions of objects, the generated pseudo labels are usually…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Weixuan Sun , Jing Zhang , Nick Barnes

Gradient-based saliency methods are widely used to interpret deep neural networks, yet they often produce noisy and unstable explanations that poorly align with semantically meaningful input features. We argue that a fundamental cause of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Ali Karkehabadi , Jamshid Hassanpour , Houman Homayoun , Avesta Sasan

Visual SLAM (Simultaneous Localization and Mapping) methods typically rely on handcrafted visual features or raw RGB values for establishing correspondences between images. These features, while suitable for sparse mapping, often lead to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Chamara Saroj Weerasekera , Ravi Garg , Yasir Latif , Ian Reid

Feature maps in deep neural network generally contain different semantics. Existing methods often omit their characteristics that may lead to sub-optimal results. In this paper, we propose a novel end-to-end deep saliency network which…

Computer Vision and Pattern Recognition · Computer Science 2018-08-07 Fengdong Sun , Wenhui Li , Yuanyuan Guan

We propose a novel deep neural network architecture for semi-supervised semantic segmentation using heterogeneous annotations. Contrary to existing approaches posing semantic segmentation as a single task of region-based classification, our…

Computer Vision and Pattern Recognition · Computer Science 2015-06-18 Seunghoon Hong , Hyeonwoo Noh , Bohyung Han

Understanding what deep network models capture in their learned representations is a fundamental challenge in computer vision. We present a new methodology to understanding such vision models, the Visual Concept Connectome (VCC), which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Matthew Kowal , Richard P. Wildes , Konstantinos G. Derpanis

Current weakly supervised object localization and segmentation rely on class-discriminative visualization techniques to generate pseudo-labels for pixel-level training. Such visualization methods, including class activation mapping (CAM)…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Xiangwei Shi , Seyran Khademi , Yunqiang Li , Jan van Gemert

Recent mainstream weakly-supervised semantic segmentation (WSSS) approaches mainly relies on image-level classification learning, which has limited representation capacity. In this paper, we propose a novel semantic learning based…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Junliang Chen , Xiaodong Zhao , Minmin Liu , Linlin Shen

We introduce a saliency-based distortion layer for convolutional neural networks that helps to improve the spatial sampling of input data for a given task. Our differentiable layer can be added as a preprocessing block to existing task…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Adrià Recasens , Petr Kellnhofer , Simon Stent , Wojciech Matusik , Antonio Torralba

Open-vocabulary semantic segmentation aims to assign labels to every pixel in an image based on text labels. Existing approaches typically utilize vision-language models (VLMs), such as CLIP, for dense prediction. However, VLMs, pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Yao , Xin Li , Taotao Jing , Shuai Zhang , Mooi Choo Chuah

Deep learning methods have achieved impressive performance for multi-class medical image segmentation. However, they are limited in their ability to encode topological interactions among different classes (e.g., containment and exclusion).…

The backbone of traditional CNN classifier is generally considered as a feature extractor, followed by a linear layer which performs the classification. We propose a novel loss function, termed as CAM-loss, to constrain the embedded feature…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Chaofei Wang , Jiayu Xiao , Yizeng Han , Qisen Yang , Shiji Song , Gao Huang