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We introduce KeypointDeformer, a novel unsupervised method for shape control through automatically discovered 3D keypoints. We cast this as the problem of aligning a source 3D object to a target 3D object from the same object category. Our…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Tomas Jakab , Richard Tucker , Ameesh Makadia , Jiajun Wu , Noah Snavely , Angjoo Kanazawa

Deep neural networks can model images with rich latent representations, but they cannot naturally conceptualize structures of object categories in a human-perceptible way. This paper addresses the problem of learning object structures in an…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Yuting Zhang , Yijie Guo , Yixin Jin , Yijun Luo , Zhiyuan He , Honglak Lee

This paper proposes a method to ease the unsupervised learning of object landmark detectors. Similarly to previous methods, our approach is fully unsupervised in a sense that it does not require or make any use of annotated landmarks for…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Enrique Sanchez , Georgios Tzimiropoulos

We propose a direct imaging method for the detection of exoplanets based on a combined low-rank plus structured sparse model. For this task, we develop a dictionary of possible effective circular trajectories a planet can take during the…

天体物理仪器与方法 · 物理学 2023-01-18 Simon Vary , Hazan Daglayan , Laurent Jacques , Pierre-Antoine Absil

Hazard detection is critical for enabling autonomous landing on planetary surfaces. Current state-of-the-art methods leverage traditional computer vision approaches to automate the identification of safe terrain from input digital elevation…

机器人学 · 计算机科学 2025-08-27 Kento Tomita , Katherine A. Skinner , Koki Ho

Finding a template in a search image is an important task underlying many computer vision applications. Recent approaches perform template matching in a deep feature-space, produced by a convolutional neural network (CNN), which is found to…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Bo Gao , M. W. Spratling

Mars exploration requires precise and reliable terrain models to ensure safe rover navigation across its unpredictable and often hazardous landscapes. Stereoscopic vision serves a critical role in the rover's perception, allowing scene…

天体物理仪器与方法 · 物理学 2025-09-09 Yan-Shan Lu , Miguel Arana-Catania , Saurabh Upadhyay , Leonard Felicetti

Kernel approximation using randomized feature maps has recently gained a lot of interest. In this work, we identify that previous approaches for polynomial kernel approximation create maps that are rank deficient, and therefore do not…

机器学习 · 统计学 2013-12-18 Raffay Hamid , Ying Xiao , Alex Gittens , Dennis DeCoste

Image-based crack detection algorithms are increasingly in demand in infrastructure monitoring, as early detection of cracks is of paramount importance for timely maintenance planning. While deep learning has significantly advanced crack…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Ghodsiyeh Rostami , Po-Han Chen , Mahdi S. Hosseini

Image retrieval is the process of searching and retrieving images from a database based on their visual content and features. Recently, much attention has been directed towards the retrieval of irregular patterns within industrial or…

信息检索 · 计算机科学 2023-10-11 Jiajun Zhang , Georgina Cosma , Sarah Bugby , Jason Watkins

The apparent magnitude of elongated small bodies is time-dependent over their rotation phase. Therefore, previously undiscovered aspherical minor planets may experience a shape-driven selection effect in systematic surveys versus their…

地球与行星天体物理 · 物理学 2023-03-15 W. Garrett Levine , Robert Jedicke

By removing irrelevant and redundant features, feature selection aims to find a good representation of the original features. With the prevalence of unlabeled data, unsupervised feature selection has been proven effective in alleviating the…

机器学习 · 计算机科学 2024-03-25 Ziyuan Lin , Deanna Needell

Deep functional maps have recently emerged as a successful paradigm for non-rigid 3D shape correspondence tasks. An essential step in this pipeline consists in learning feature functions that are used as constraints to solve for a…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Souhaib Attaiki , Maks Ovsjanikov

Face deepfake detection has seen impressive results recently. Nearly all existing deep learning techniques for face deepfake detection are fully supervised and require labels during training. In this paper, we design a novel deepfake…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Sheldon Fung , Xuequan Lu , Chao Zhang , Chang-Tsun Li

Chord recognition systems depend on robust feature extraction pipelines. While these pipelines are traditionally hand-crafted, recent advances in end-to-end machine learning have begun to inspire researchers to explore data-driven methods…

机器学习 · 计算机科学 2016-12-16 Filip Korzeniowski , Gerhard Widmer

In a constant evolving world, change detection is of prime importance to keep updated maps. To better sense areas with complex geometry (urban areas in particular), considering 3D data appears to be an interesting alternative to classical…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Iris de Gélis , Sébastien Lefèvre , Thomas Corpetti

Recent advances in scanning transmission electron and scanning probe microscopies have opened exciting opportunities in probing the materials structural parameters and various functional properties in real space with angstrom-level…

Anomaly detection in industrial visual inspection is challenging due to the scarcity of defective samples. Most existing methods rely on unsupervised reconstruction using only normal data, often resulting in overfitting and poor detection…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Amirhossein Khadivi Noghredeh , Abdollah Safari , Fatemeh Ziaeetabar , Firoozeh Haghighi

Machine learning, and eventually true artificial intelligence techniques, are extremely important advancements in astrophysics and astronomy. We explore the application of deep learning using neural networks in order to automate the…

天体物理仪器与方法 · 物理学 2020-12-29 James Bird , Kellan Colburn , Linda Petzold , Philip Lubin

Motivation: Cellular Electron CryoTomography (CECT) enables 3D visualization of cellular organization at near-native state and in sub-molecular resolution, making it a powerful tool for analyzing structures of macromolecular complexes and…

定量方法 · 定量生物学 2017-04-14 Min Xu , Xiaoqi Chai , Hariank Muthakana , Xiaodan Liang , Ge Yang , Tzviya Zeev-Ben-Mordehai , Eric Xing