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We present Neural Random Forest Imitation - a novel approach for transforming random forests into neural networks. Existing methods propose a direct mapping and produce very inefficient architectures. In this work, we introduce an imitation…

机器学习 · 计算机科学 2024-04-05 Christoph Reinders , Bodo Rosenhahn

6DOF camera relocalization is an important component of autonomous driving and navigation. Deep learning has recently emerged as a promising technique to tackle this problem. In this paper, we present a novel relative geometry-aware Siamese…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Qing Li , Jiasong Zhu , Rui Cao , Ke Sun , Jonathan M. Garibaldi , Qingquan Li , Bozhi Liu , Guoping Qiu

This paper proposes a deep-learning-based method for recovering a signed distance function (SDF) of a given hypersurface represented by an implicit level set function. Using the flexibility of constructing a neural network, we use an…

数值分析 · 数学 2023-05-16 Yesom Park , Chang hoon Song , Jooyoung Hahn , Myungjoo Kang

Current deep learning models are mostly build upon neural networks, i.e., multiple layers of parameterized differentiable nonlinear modules that can be trained by backpropagation. In this paper, we explore the possibility of building deep…

机器学习 · 计算机科学 2020-07-07 Zhi-Hua Zhou , Ji Feng

A weighted random survival forest is presented in the paper. It can be regarded as a modification of the random forest improving its performance. The main idea underlying the proposed model is to replace the standard procedure of averaging…

In Bayesian learning of Gaussian graphical model structure, it is common to restrict attention to certain classes of graphs and approximate the posterior distribution by repeatedly moving from one graph to another, using MCMC or methods…

机器学习 · 统计学 2021-09-01 Edmund Jones

Agreement forests continue to play a central role in the comparison of phylogenetic trees since their introduction more than 25 years ago. More specifically, they are used to characterise several distances that are based on tree…

组合数学 · 数学 2025-09-23 Steven Kelk , Simone Linz , Charles Semple

Machine Learning has attracted considerable attention throughout the past decade due to its potential to solve far-reaching tasks, such as image classification, object recognition, anomaly detection, and data forecasting. A standard…

机器学习 · 计算机科学 2022-02-09 Gustavo Henrique de Rosa , Mateus Roder , João Paulo Papa

The Distributional Random Forest (DRF) is a recently introduced Random Forest algorithm to estimate multivariate conditional distributions. Due to its general estimation procedure, it can be employed to estimate a wide range of targets such…

统计理论 · 数学 2023-12-20 Jeffrey Näf , Corinne Emmenegger , Peter Bühlmann , Nicolai Meinshausen

Neural signed distance functions (SDFs) have been a vital representation to represent 3D shapes or scenes with neural networks. An SDF is an implicit function that can query signed distances at specific coordinates for recovering a 3D…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Qiang Bai , Bojian Wu , Xi Yang , Zhizhong Han

Retrieval of family members in the wild aims at finding family members of the given subject in the dataset, which is useful in finding the lost children and analyzing the kinship. However, due to the diversity in age, gender, pose and…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Jun Yu , Guochen Xie , Mengyan Li , Xinlong Hao

Geometric model fitting is a fundamental research topic in computer vision and it aims to fit and segment multiple-structure data. In this paper, we propose a novel superpixel-guided two-view geometric model fitting method (called SDF),…

计算机视觉与模式识别 · 计算机科学 2018-05-04 Guobao Xiao , Hanzi Wang , Yan Yan , David Suter

Multidimensional fitting (MDF) method is a multivariate data analysis method recently developed and based on the fitting of distances. Two matrices are available: one contains the coordinates of the points and the second contains the…

This paper presents a new ensemble learning method for classification problems called projection pursuit random forest (PPF). PPF uses the PPtree algorithm introduced in Lee et al. (2013). In PPF, trees are constructed by splitting on…

机器学习 · 统计学 2021-05-24 Natalia da Silva , Dianne Cook , Eun-Kyung Lee

Internet companies are facing the need for handling large-scale machine learning applications on a daily basis and distributed implementation of machine learning algorithms which can handle extra-large scale tasks with great performance is…

机器学习 · 计算机科学 2020-03-17 Ya-Lin Zhang , Jun Zhou , Wenhao Zheng , Ji Feng , Longfei Li , Ziqi Liu , Ming Li , Zhiqiang Zhang , Chaochao Chen , Xiaolong Li , Zhi-Hua Zhou , YUAN , QI

Random forest is widely exploited as an ensemble learning method. In many practical applications, however, there is still a significant challenge to learn from imbalanced data. To alleviate this limitation, we propose a deep dynamic boosted…

机器学习 · 计算机科学 2022-03-08 Haixin Wang , Xingzhang Ren , Jinan Sun , Wei Ye , Long Chen , Muzhi Yu , Shikun Zhang

A new approach called NAF (the Neural Attention Forest) for solving regression and classification tasks under tabular training data is proposed. The main idea behind the proposed NAF model is to introduce the attention mechanism into the…

机器学习 · 计算机科学 2023-04-13 Andrei V. Konstantinov , Lev V. Utkin , Alexey A. Lukashin , Vladimir A. Muliukha

To deal with various datasets over different complexity, this paper presents an self-adaptive learning model that combines the proposed Dynamic Connected Neural Decision Networks (DNDN) and a new pruning method--Dynamic Soft Pruning (DSP).…

机器学习 · 计算机科学 2021-02-23 Xinyu Fan

We propose generalized random forests, a method for non-parametric statistical estimation based on random forests (Breiman, 2001) that can be used to fit any quantity of interest identified as the solution to a set of local moment…

统计方法学 · 统计学 2018-04-06 Susan Athey , Julie Tibshirani , Stefan Wager

We introduce an exact distributed algorithm to train Random Forest models as well as other decision forest models without relying on approximating best split search. We explain the proposed algorithm and compare it to related approaches for…

机器学习 · 计算机科学 2018-04-19 Mathieu Guillame-Bert , Olivier Teytaud