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We propose a novel dynamic network model to capture evolving latent communities within temporal networks. To achieve this, we decompose each observed dynamic edge between vertices using a Poisson-gamma edge partition model, assigning each…

社会与信息网络 · 计算机科学 2024-11-19 Xincan Yu , Sikun Yang

Representations are crucial for a robot to learn effective navigation policies. Recent work has shown that mid-level perceptual abstractions, such as depth estimates or 2D semantic segmentation, lead to more effective policies when provided…

机器人学 · 计算机科学 2022-05-09 Zachary Ravichandran , Lisa Peng , Nathan Hughes , J. Daniel Griffith , Luca Carlone

Artwork recommendation is challenging because it requires understanding how users interact with highly subjective content, the complexity of the concepts embedded within the artwork, and the emotional and cognitive reflections they may…

信息检索 · 计算机科学 2023-03-21 Bereket A. Yilma , Luis A. Leiva

In this paper, we investigate a new framework for image classification that adaptively generates spatial representations. Our strategy is based on a sequential process that learns to explore the different regions of any image in order to…

计算机视觉与模式识别 · 计算机科学 2014-02-12 Gabriel Dulac-Arnold , Ludovic Denoyer , Nicolas Thome , Matthieu Cord , Patrick Gallinari

Recent advances in diffusion models have demonstrated impressive capability in generating high-quality images for simple prompts. However, when confronted with complex prompts involving multiple objects and hierarchical structures, existing…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Hongji Yang , Yucheng Zhou , Wencheng Han , Runzhou Tao , Zhongying Qiu , Jianfei Yang , Jianbing Shen

One of the key limitations of modern deep learning approaches lies in the amount of data required to train them. Humans, by contrast, can learn to recognize novel categories from just a few examples. Instrumental to this rapid learning…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Pavel Tokmakov , Yu-Xiong Wang , Martial Hebert

We demonstrate that a generative model for object shapes can achieve state of the art results on challenging scene text recognition tasks, and with orders of magnitude fewer training images than required for competing discriminative…

计算机视觉与模式识别 · 计算机科学 2016-11-10 Xinghua Lou , Ken Kansky , Wolfgang Lehrach , CC Laan , Bhaskara Marthi , D. Scott Phoenix , Dileep George

Humans have a remarkable capacity to understand the physical dynamics of objects in their environment, flexibly capturing complex structures and interactions at multiple levels of detail. Inspired by this ability, we propose a hierarchical…

Deep generative models have been used in recent years to learn coherent latent representations in order to synthesize high-quality images. In this work, we propose a neural network to learn a generative model for sampling consistent indoor…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Pulak Purkait , Christopher Zach , Ian Reid

The significant progress on Generative Adversarial Networks (GANs) have made it possible to generate surprisingly realistic images for single object based on natural language descriptions. However, controlled generation of images for…

计算机视觉与模式识别 · 计算机科学 2019-11-14 Hongdong Zheng , Yalong Bai , Wei Zhang , Tao Mei

In data analysis, latent variables play a central role because they help provide powerful insights into a wide variety of phenomena, ranging from biological to human sciences. The latent tree model, a particular type of probabilistic…

机器学习 · 计算机科学 2014-02-05 Raphaël Mourad , Christine Sinoquet , Nevin L. Zhang , Tengfei Liu , Philippe Leray

A graphical model is a structured representation of the data generating process. The traditional method to reason over random variables is to perform inference in this graphical model. However, in many cases the generating process is only a…

机器学习 · 统计学 2019-10-31 Victor Garcia Satorras , Zeynep Akata , Max Welling

We propose the Variational Shape Learner (VSL), a generative model that learns the underlying structure of voxelized 3D shapes in an unsupervised fashion. Through the use of skip-connections, our model can successfully learn and infer a…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Shikun Liu , C. Lee Giles , Alexander G. Ororbia

Reconciling symbolic and distributed representations is a crucial challenge that can potentially resolve the limitations of current deep learning. Remarkable advances in this direction have been achieved recently via generative…

机器学习 · 计算机科学 2021-02-09 Jindong Jiang , Sungjin Ahn

Learning rich representation from data is an important task for deep generative models such as variational auto-encoder (VAE). However, by extracting high-level abstractions in the bottom-up inference process, the goal of preserving all…

机器学习 · 计算机科学 2020-02-26 Zhiyuan Li , Jaideep Vitthal Murkute , Prashnna Kumar Gyawali , Linwei Wang

We train generative 'up-convolutional' neural networks which are able to generate images of objects given object style, viewpoint, and color. We train the networks on rendered 3D models of chairs, tables, and cars. Our experiments show that…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Alexey Dosovitskiy , Jost Tobias Springenberg , Maxim Tatarchenko , Thomas Brox

Many latent (factorized) models have been proposed for recommendation tasks like collaborative filtering and for ranking tasks like document or image retrieval and annotation. Common to all those methods is that during inference the items…

机器学习 · 计算机科学 2012-10-19 Jason Weston , John Blitzer

Unsupervised learning plays an important role in many fields, such as artificial intelligence, machine learning, and neuroscience. Compared to static data, methods for extracting low-dimensional structure for dynamic data are lagging. We…

机器学习 · 计算机科学 2022-03-07 Rui Meng , Tianyi Luo , Kristofer Bouchard

To endow machines with the ability to perceive the real-world in a three dimensional representation as we do as humans is a fundamental and long-standing topic in Artificial Intelligence. Given different types of visual inputs such as…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Bo Yang

A compositional understanding of the world in terms of objects and their geometry in 3D space is considered a cornerstone of human cognition. Facilitating the learning of such a representation in neural networks holds promise for…