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In robotics, gradient-free optimization algorithms (e.g. evolutionary algorithms) are often used only in simulation because they require the evaluation of many candidate solutions. Nevertheless, solutions obtained in simulation often do not…

Robotics · Computer Science 2013-07-09 Jean-Baptiste Mouret , Sylvain Koos , Stéphane Doncieux

This work is about the use of regularized optimal-transport distances for convex, histogram-based image segmentation. In the considered framework, fixed exemplar histograms define a prior on the statistical features of the two regions in…

Computer Vision and Pattern Recognition · Computer Science 2015-03-17 Julien Rabin , Nicolas Papadakis

Transfer learning enables to re-use knowledge learned on a source task to help learning a target task. A simple form of transfer learning is common in current state-of-the-art computer vision models, i.e. pre-training a model for image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Thomas Mensink , Jasper Uijlings , Alina Kuznetsova , Michael Gygli , Vittorio Ferrari

Visual place recognition is a challenging task in the field of computer vision, and autonomous robotics and vehicles, which aims to identify a location or a place from visual inputs. Contemporary methods in visual place recognition employ…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Shyam Sundar Kannan , Byung-Cheol Min

Finding and localizing the conceptual changes in two scenes in terms of the presence or removal of objects in two images belonging to the same scene at different times in special care applications is of great significance. This is mainly…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Ali Atghaei , Ehsan Rahnama , Kiavash Azimi , Hassan Shahbazi

This paper introduces a generalised 3rd-order Spectral Representation Method for the simulation of multi-dimensional stochastic fields with asymmetric non-linearities. The simulated random fields satisfy a prescribed Power Spectrum and…

Statistics Theory · Mathematics 2020-07-06 Lohit Vandanapu , Michael D. Shields

Rendering and inverse rendering are pivotal tasks in both computer vision and graphics. The rendering equation is the core of the two tasks, as an ideal conditional distribution transfer function from intrinsic properties to RGB images.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Zhifei Chen , Tianshuo Xu , Wenhang Ge , Leyi Wu , Dongyu Yan , Jing He , Luozhou Wang , Lu Zeng , Shunsi Zhang , Yingcong Chen

The great advances of learning-based approaches in image processing and computer vision are largely based on deeply nested networks that compose linear transfer functions with suitable non-linearities. Interestingly, the most frequently…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Peter Ochs , Tim Meinhardt , Laura Leal-Taixe , Michael Moeller

In view synthesis, a neural radiance field approximates underlying density and radiance fields based on a sparse set of scene pictures. To generate a pixel of a novel view, it marches a ray through the pixel and computes a weighted sum of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Nikita Morozov , Denis Rakitin , Oleg Desheulin , Dmitry Vetrov , Kirill Struminsky

One desired capability for machines is the ability to transfer their knowledge of one domain to another where data is (usually) scarce. Despite ample adaptation of transfer learning in various deep learning applications, we yet do not…

Machine Learning · Computer Science 2021-01-18 Behnam Neyshabur , Hanie Sedghi , Chiyuan Zhang

Illumination effects in images, specifically cast shadows and shading, have been shown to decrease the performance of deep neural networks on a large number of vision-based detection, recognition and segmentation tasks in urban driving…

Computer Vision and Pattern Recognition · Computer Science 2019-09-27 Alexandra Carlson , Ram Vasudevan , Matthew Johnson-Roberson

We present a novel lens technique to support the identification of heterogeneous features in direct volume rendering (DVR) visualizations. In contrast to data-centric transfer function (TF) design, our image-driven approach enables users to…

Graphics · Computer Science 2025-06-05 Roberta Mota , Ehud Sharlin , Usman Alim

A central challenge in transfer learning is designing algorithms that can quickly adapt and generalize to new tasks without retraining. Yet, the conditions of when and how algorithms can effectively transfer to new tasks is poorly…

Machine Learning · Computer Science 2025-05-20 Tyler Ingebrand , Adam J. Thorpe , Ufuk Topcu

Accurate depth estimation from images is a fundamental task in many applications including scene understanding and reconstruction. Existing solutions for depth estimation often produce blurry approximations of low resolution. This paper…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Ibraheem Alhashim , Peter Wonka

We present a suite of techniques for jointly optimizing triangle meshes and shading models to match the appearance of reference scenes. This capability has a number of uses, including appearance-preserving simplification of extremely…

Graphics · Computer Science 2021-04-12 Jon Hasselgren , Jacob Munkberg , Jaakko Lehtinen , Miika Aittala , Samuli Laine

Transfer Learning (TL) offers the potential to accelerate learning by transferring knowledge across tasks. However, it faces critical challenges such as negative transfer, domain adaptation and inefficiency in selecting solid source…

Machine Learning · Computer Science 2025-07-29 Alessandro Capurso , Elia Piccoli , Davide Bacciu

Molecules have a number of distinct properties whose importance and application vary. Often, in reality, labels for some properties are hard to achieve despite their practical importance. A common solution to such data scarcity is to use…

Machine Learning · Computer Science 2024-10-02 Chanhui Lee , Dae-Woong Jeong , Sung Moon Ko , Sumin Lee , Hyunseung Kim , Soorin Yim , Sehui Han , Sungwoong Kim , Sungbin Lim

Learning to transfer visual attributes requires supervision dataset. Corresponding images with varying attribute values with the same identity are required for learning the transfer function. This largely limits their applications, because…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Taeksoo Kim , Byoungjip Kim , Moonsu Cha , Jiwon Kim

Semantic occupancy has recently gained significant traction as a prominent 3D scene representation. However, most existing methods rely on large and costly datasets with fine-grained 3D voxel labels for training, which limits their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Simon Boeder , Fabian Gigengack , Benjamin Risse

A representation is supposed universal if it encodes any element of the visual world (e.g., objects, scenes) in any configuration (e.g., scale, context). While not expecting pure universal representations, the goal in the literature is to…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Youssef Tamaazousti , Hervé Le Borgne , Céline Hudelot , Mohamed El Amine Seddik , Mohamed Tamaazousti