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Perception is often described as a predictive process based on an optimal inference with respect to a generative model. We study here the principled construction of a generative model specifically crafted to probe motion perception. In that…

Computer Vision and Pattern Recognition · Computer Science 2015-11-10 Jonathan Vacher , Andrew Meso , Laurent U Perrinet , Gabriel Peyré

An increasing array of biomedical and computer vision applications requires the predictive modeling of complex data, for example images and shapes. The main challenge when predicting such objects lies in the fact that they do not comply to…

Machine Learning · Statistics 2017-02-17 Dimosthenis Tsagkrasoulis , Giovanni Montana

We present a tool for enhancing the detail of physically based materials using an off-the-shelf diffusion model and inverse rendering. Our goal is to enhance the visual fidelity of materials with detail that is often tedious to author, by…

Any Boolean function corresponds with a complete full binary decision tree. This tree can in turn be represented in a maximally compact form as a direct acyclic graph where common subtrees are factored and shared, keeping only one copy of…

Data Structures and Algorithms · Computer Science 2020-05-26 Julien Clément , Antoine Genitrini

We introduce a high-fidelity portrait shadow removal model that can effectively enhance the image of a portrait by predicting its appearance under disturbing shadows and highlights. Portrait shadow removal is a highly ill-posed problem…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Jae Shin Yoon , Zhixin Shu , Mengwei Ren , Xuaner Zhang , Yannick Hold-Geoffroy , Krishna Kumar Singh , He Zhang

Recent advances in 3D shape generation have achieved impressive results, but most existing methods rely on clean, unoccluded, and well-segmented inputs. Such conditions are rarely met in real-world scenarios. We present ShapeR, a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Yawar Siddiqui , Duncan Frost , Samir Aroudj , Armen Avetisyan , Henry Howard-Jenkins , Daniel DeTone , Pierre Moulon , Qirui Wu , Zhengqin Li , Julian Straub , Richard Newcombe , Jakob Engel

Automatic tree density estimation and counting using single aerial and satellite images is a challenging task in photogrammetry and remote sensing, yet has an important role in forest management. In this paper, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Hamed Amini Amirkolaee , Miaojing Shi , Mark Mulligan

Over the last years, many face analysis tasks have accomplished astounding performance, with applications including face generation and 3D face reconstruction from a single "in-the-wild" image. Nevertheless, to the best of our knowledge,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Alexandros Lattas , Stylianos Moschoglou , Stylianos Ploumpis , Baris Gecer , Abhijeet Ghosh , Stefanos Zafeiriou

Event-based video reconstruction has garnered increasing attention due to its advantages, such as high dynamic range and rapid motion capture capabilities. However, current methods often prioritize the extraction of temporal information…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Lin Zhu , Yunlong Zheng , Yijun Zhang , Xiao Wang , Lizhi Wang , Hua Huang

Although the recent rapid evolution of 3D generative neural networks greatly improves 3D shape generation, it is still not convenient for ordinary users to create 3D shapes and control the local geometry of generated shapes. To address…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Xin-Yang Zheng , Hao Pan , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

Random forests are one of the most popular machine learning methods due to their accuracy and variable importance assessment. However, random forests only provide variable importance in a global sense. There is an increasing need for such…

Methodology · Statistics 2021-03-25 Joshua Daniel Loyal , Ruoqing Zhu , Yifan Cui , Xin Zhang

Diffusion models have shown remarkable results for image generation, editing and inpainting. Recent works explore diffusion models for 3D shape generation with neural implicit functions, i.e., signed distance function and occupancy…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Junsheng Zhou , Weiqi Zhang , Baorui Ma , Kanle Shi , Yu-Shen Liu , Zhizhong Han

In this work, we present a random forest framework that learns the weights, shapes, and sparsities of feature representations for real-time semantic segmentation. Typical filters (kernels) have predetermined shapes and sparsities and learn…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Byeongkeun Kang , Truong Q. Nguyen

We introduce FabricDiffusion, a method for transferring fabric textures from a single clothing image to 3D garments of arbitrary shapes. Existing approaches typically synthesize textures on the garment surface through 2D-to-3D texture…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Cheng Zhang , Yuanhao Wang , Francisco Vicente Carrasco , Chenglei Wu , Jinlong Yang , Thabo Beeler , Fernando De la Torre

We propose a procedural fruit tree rendering framework, based on Blender and Python scripts allowing to generate quickly labeled dataset (i.e. including ground truth semantic segmentation). It is designed to train image analysis deep…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Thomas Duboudin , Maxime Petit , Liming Chen

We are seeing a Cambrian explosion of 3D shape representations for use in machine learning. Some representations seek high expressive power in capturing high-resolution detail. Other approaches seek to represent shapes as compositions of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Zekun Hao , Hadar Averbuch-Elor , Noah Snavely , Serge Belongie

Significant progress has been made in training large generative models for natural language and images. Yet, the advancement of 3D generative models is hindered by their substantial resource demands for training, along with inefficient,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Ka-Hei Hui , Aditya Sanghi , Arianna Rampini , Kamal Rahimi Malekshan , Zhengzhe Liu , Hooman Shayani , Chi-Wing Fu

Generative models hold the promise of significantly expediting the materials design process when compared to traditional human-guided or rule-based methodologies. However, effectively generating high-quality periodic structures of materials…

Materials Science · Physics 2024-08-15 Anshuman Sinha , Shuyi Jia , Victor Fung

The analysis of the internal structure of trees is highly important for both forest experts, biological scientists, and the wood industry. Traditionally, CT-scanners are considered as the most efficient way to get an accurate inner…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Mohamed Mejri , Antoine Richard , Cédric Pradalier

Modern machine learning (ML) models of chemical and materials systems with billions of parameters require vast training datasets and considerable computational efforts. Lightweight kernel or decision tree based methods, however, can be…

Chemical Physics · Physics 2024-10-18 Danish Khan , O. Anatole von Lilienfeld