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We propose an automated algorithm to stress-test a trained visual model by generating language-guided counterfactual test images (LANCE). Our method leverages recent progress in large language modeling and text-based image editing to…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Viraj Prabhu , Sriram Yenamandra , Prithvijit Chattopadhyay , Judy Hoffman

We present a novel feature selection technique, Sparse Linear Centroid-Encoder (SLCE). The algorithm uses a linear transformation to reconstruct a point as its class centroid and, at the same time, uses the $\ell_1$-norm penalty to filter…

Machine Learning · Computer Science 2023-06-12 Tomojit Ghosh , Michael Kirby , Karim Karimov

We combine features extracted from pre-trained convolutional neural networks (CNNs) with the fast, linear Exemplar-LDA classifier to get the advantages of both: the high detection performance of CNNs, automatic feature engineering, fast…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Björn Barz , Erik Rodner , Christoph Käding , Joachim Denzler

Low-light image enhancement (LLE) remains challenging due to the unfavorable prevailing low-contrast and weak-visibility problems of single RGB images. In this paper, we respond to the intriguing learning-related question -- if leveraging…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Dong Liang , Ling Li , Mingqiang Wei , Shuo Yang , Liyan Zhang , Wenhan Yang , Yun Du , Huiyu Zhou

Bayesian decision theory advocates the Bayes classifier as the optimal approach for minimizing the risk in machine learning problems. Current deep learning algorithms usually solve for the optimal classifier by \emph{implicitly} estimating…

Machine Learning · Computer Science 2025-07-01 Chaoqun Du , Yulin Wang , Shiji Song , Gao Huang

In recent years, learned image compression (LIC) technologies have surpassed conventional methods notably in terms of rate-distortion (RD) performance. Most present learned techniques are VAE-based with an autoregressive entropy model,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Minghao Han , Shiyin Jiang , Shengxi Li , Xin Deng , Mai Xu , Ce Zhu , Shuhang Gu

With the development of convolutional neural network, significant progress has been made in computer vision tasks. However, the commonly used loss function softmax loss and highly efficient network architecture for common visual tasks are…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Xianyang Li , Feng Wang , Qinghao Hu , Cong Leng

Standard cross-entropy is the default classification loss across virtually all of machine learning, yet it treats all misclassifications equally, ignoring the semantic distances that a class hierarchy encodes. We propose Hierarchy-Aware…

Machine Learning · Computer Science 2026-05-08 April Chan , Davide D'Ascenzo , Sebastiano Cultrera di Montesano

Feature learning is a widely used method employed for large-scale face recognition. Recently, large-margin softmax loss methods have demonstrated significant enhancements on deep face recognition. These methods propose fixed positive…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Chingis Oinar , Binh M. Le , Simon S. Woo

We demonstrate a new deep learning autoencoder network, trained by a nonnegativity constraint algorithm (NCAE), that learns features which show part-based representation of data. The learning algorithm is based on constraining negative…

Machine Learning · Computer Science 2016-01-13 Ehsan Hosseini-Asl , Jacek M. Zurada , Olfa Nasraoui

With advancements of deep learning techniques, it is now possible to generate super-realistic images and videos, i.e., deepfakes. These deepfakes could reach mass audience and result in adverse impacts on our society. Although lots of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Mengnan Du , Shiva Pentyala , Yuening Li , Xia Hu

Masked image modeling (MIM) has achieved promising results on various vision tasks. However, the limited discriminability of learned representation manifests there is still plenty to go for making a stronger vision learner. Towards this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Zhicheng Huang , Xiaojie Jin , Chengze Lu , Qibin Hou , Ming-Ming Cheng , Dongmei Fu , Xiaohui Shen , Jiashi Feng

Training deep neural networks with noise and data heterogeneity is a major challenge. We introduce Lightweight Learnable Adaptive Weighting (LiLAW), a method that dynamically adjusts the loss weight of each training sample based on its…

Machine Learning · Computer Science 2026-05-14 Abhishek Moturu , Muhammad Muzammil , Anna Goldenberg , Babak Taati

Cloud analysis is a critical component of weather and climate science, impacting various sectors like disaster management. However, achieving fine-grained cloud analysis, such as cloud segmentation, in remote sensing remains challenging due…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Jay Gala , Sauradip Nag , Huichou Huang , Ruirui Liu , Xiatian Zhu

Imaging in clinical routine is subject to changing scanner protocols, hardware, or policies in a typically heterogeneous set of acquisition hardware. Accuracy and reliability of deep learning models suffer from those changes as data and…

Machine Learning · Computer Science 2021-06-08 Matthias Perkonigg , Johannes Hofmanninger , Georg Langs

Variational Auto-encoders (VAEs) have been very successful as methods for forming compressed latent representations of complex, often high-dimensional, data. In this paper, we derive an alternative variational lower bound from the one…

Machine Learning · Computer Science 2019-03-20 Shuyu Lin , Ronald Clark , Robert Birke , Niki Trigoni , Stephen Roberts

Acoustic scene classification (ASC) models on edge devices typically operate under fixed class assumptions, lacking the transferability needed for real-world applications that require adaptation to new or refined acoustic categories. We…

Sound · Computer Science 2026-02-13 Kuang Yuan , Yang Gao , Xilin Li , Xinhao Mei , Syavosh Zadissa , Tarun Pruthi , Saeed Bagheri Sereshki

In this paper, we jointly combine image classification and image denoising, aiming to enhance human perception of noisy images captured by edge devices, like low-light security cameras. In such settings, it is important to retain the…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Thomas C Markhorst , Jan C van Gemert , Osman S Kayhan

Convolutional neural network (CNN) models for computer vision are powerful but lack explainability in their most basic form. This deficiency remains a key challenge when applying CNNs in important domains. Recent work on explanations…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Ruihan Zhang , Prashan Madumal , Tim Miller , Krista A. Ehinger , Benjamin I. P. Rubinstein

RANSAC-based algorithms are the standard techniques for robust estimation in computer vision. These algorithms are iterative and computationally expensive; they alternate between random sampling of data, computing hypotheses, and running…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Valter Piedade , Pedro Miraldo