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Riemannian diffusion models draw inspiration from standard Euclidean space diffusion models to learn distributions on general manifolds. Unfortunately, the additional geometric complexity renders the diffusion transition term inexpressible…

机器学习 · 计算机科学 2023-11-01 Aaron Lou , Minkai Xu , Stefano Ermon

The recent progress in sparse coding and deep learning has made unsupervised feature learning methods a strong competitor to hand-crafted descriptors. In computer vision, success stories of learned features have been predominantly reported…

计算机视觉与模式识别 · 计算机科学 2014-08-14 Wenbin Li , Mario Fritz

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

Data augmentation in feature space is effective to increase data diversity. Previous methods assume that different classes have the same covariance in their feature distributions. Thus, feature transform between different classes is…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Yuke Zhu , Yan Bai , Yichen Wei

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

In this paper we deal with the structural properties of weighted networks. Starting from an empirical analysis of a linguistic network, we analyse the differences between the statistical properties of a real and a shuffled network and we…

数据分析、统计与概率 · 物理学 2009-09-07 A. P. Masucci , G. J. Rodgers

Unlike standard object classification, where the image to be classified contains one or multiple instances of the same object, indoor scene classification is quite different since the image consists of multiple distinct objects. Further,…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Munawar Hayat , Salman H. Khan , Mohammed Bennamoun , Senjian An

Multi-channel satellite imagery, from stacked spectral bands or spatiotemporal data, have meaningful representations for various atmospheric properties. Combining these features in an effective manner to create a performant and trustworthy…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Jason Stock , Chuck Anderson

Recently, transformer-based methods have achieved promising progresses in object detection, as they can eliminate the post-processes like NMS and enrich the deep representations. However, these methods cannot well cope with scene text due…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Jingqun Tang , Wenqing Zhang , Hongye Liu , MingKun Yang , Bo Jiang , Guanglong Hu , Xiang Bai

Scale variation is a deep-rooted problem in object counting, which has not been effectively addressed by existing scale-aware algorithms. An important factor is that they typically involve cooperative learning across multi-resolutions,…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Tao Han , Lei Bai , Lingbo Liu , Wanli Ouyang

Convolutional Neural Networks (CNNs) are powerful models that achieve impressive results for image classification. In addition, pre-trained CNNs are also useful for other computer vision tasks as generic feature extractors. This paper aims…

计算机视觉与模式识别 · 计算机科学 2015-07-10 Ben Athiwaratkun , Keegan Kang

Uncovering which feature combinations are encoded by visual units is critical to understanding how images are transformed into representations that support recognition. While existing feature visualization approaches typically infer a…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Lorenzo Tausani , Paolo Muratore , Morgan B. Talbot , Giacomo Amerio , Gabriel Kreiman , Davide Zoccolan

The Euclidean scattering transform was introduced nearly a decade ago to improve the mathematical understanding of convolutional neural networks. Inspired by recent interest in geometric deep learning, which aims to generalize convolutional…

机器学习 · 统计学 2023-07-26 Michael Perlmutter , Feng Gao , Guy Wolf , Matthew Hirn

Developing robust and interpretable vision systems is a crucial step towards trustworthy artificial intelligence. In this regard, a promising paradigm considers embedding task-required invariant structures, e.g., geometric invariance, in…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Shuren Qi , Yushu Zhang , Chao Wang , Zhihua Xia , Xiaochun Cao , Jian Weng

In computer vision, models must be able to adapt to changes in image resolution to effectively carry out tasks such as image segmentation; This is known as scale-equivariance. Recent works have made progress in developing scale-equivariant…

机器学习 · 计算机科学 2023-11-07 Md Ashiqur Rahman , Raymond A. Yeh

Traditional deep learning-based object detection networks often resize images during the data preprocessing stage to achieve a uniform size and scale in the feature map. Resizing is done to facilitate model propagation and fully connected…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Weile Li , Muqing Shi , Zhonghua Hong

The purpose of feature extraction on convolutional neural networks is to reuse deep representations learnt for a pre-trained model to solve a new, potentially unrelated problem. However, raw feature extraction from all layers is unfeasible…

神经与进化计算 · 计算机科学 2019-11-11 Victor Gimenez-Abalos , Armand Vilalta , Dario Garcia-Gasulla , Jesus Labarta , Eduard Ayguadé

A rigid-motion scattering computes adaptive invariants along translations and rotations, with a deep convolutional network. Convolutions are calculated on the rigid-motion group, with wavelets defined on the translation and rotation…

计算机视觉与模式识别 · 计算机科学 2014-03-10 Laurent SIfre , Stéphane Mallat

Self-supervised methods have recently proved to be nearly as effective as supervised ones in various imaging inverse problems, paving the way for learning-based approaches in scientific and medical imaging applications where ground truth…

图像与视频处理 · 电气工程与系统科学 2026-01-30 Jérémy Scanvic , Mike Davies , Patrice Abry , Julián Tachella

A number of recent approaches have used deep convolutional neural networks (CNNs) to build texture representations. Nevertheless, it is still unclear how these models represent texture and invariances to categorical variations. This work…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Tsung-Yu Lin , Subhransu Maji