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This paper proposes a multi-grid method for learning energy-based generative ConvNet models of images. For each grid, we learn an energy-based probabilistic model where the energy function is defined by a bottom-up convolutional neural…

机器学习 · 统计学 2020-10-16 Ruiqi Gao , Yang Lu , Junpei Zhou , Song-Chun Zhu , Ying Nian Wu

This paper studies the cooperative learning of two generative flow models, in which the two models are iteratively updated based on the jointly synthesized examples. The first flow model is a normalizing flow that transforms an initial…

机器学习 · 统计学 2022-05-17 Jianwen Xie , Yaxuan Zhu , Jun Li , Ping Li

This paper studies a novel energy-based cooperative learning framework for multi-domain image-to-image translation. The framework consists of four components: descriptor, translator, style encoder, and style generator. The descriptor is a…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Weinan Song , Yaxuan Zhu , Lei He , Yingnian Wu , Jianwen Xie

This paper studies the unsupervised cross-domain translation problem by proposing a generative framework, in which the probability distribution of each domain is represented by a generative cooperative network that consists of an…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Jianwen Xie , Zilong Zheng , Xiaolin Fang , Song-Chun Zhu , Ying Nian Wu

Training energy-based probabilistic models is confronted with apparently intractable sums, whose Monte Carlo estimation requires sampling from the estimated probability distribution in the inner loop of training. This can be approximately…

机器学习 · 计算机科学 2016-06-13 Taesup Kim , Yoshua Bengio

This paper proposes a 3D shape descriptor network, which is a deep convolutional energy-based model, for modeling volumetric shape patterns. The maximum likelihood training of the model follows an "analysis by synthesis" scheme and can be…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Jianwen Xie , Zilong Zheng , Ruiqi Gao , Wenguan Wang , Song-Chun Zhu , Ying Nian Wu

Video sequences contain rich dynamic patterns, such as dynamic texture patterns that exhibit stationarity in the temporal domain, and action patterns that are non-stationary in either spatial or temporal domain. We show that an energy-based…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Jianwen Xie , Song-Chun Zhu , Ying Nian Wu

Leveraging supervised information can lead to superior retrieval performance in the image hashing domain but the performance degrades significantly without enough labeled data. One effective solution to boost performance is to employ…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Khoa D. Doan , Jianwen Xie , Yaxuan Zhu , Yang Zhao , Ping Li

We show that a generative random field model, which we call generative ConvNet, can be derived from the commonly used discriminative ConvNet, by assuming a ConvNet for multi-category classification and assuming one of the categories is a…

机器学习 · 统计学 2016-06-01 Jianwen Xie , Yang Lu , Song-Chun Zhu , Ying Nian Wu

The convolutional neural network (ConvNet or CNN) has proven to be very successful in many tasks such as those in computer vision. In this conceptual paper, we study the generative perspective of the discriminative CNN. In particular, we…

计算机视觉与模式识别 · 计算机科学 2015-12-09 Yang Lu , Song-Chun Zhu , Ying Nian Wu

A deep generative model is developed for representation and analysis of images, based on a hierarchical convolutional dictionary-learning framework. Stochastic {\em unpooling} is employed to link consecutive layers in the model, yielding…

计算机视觉与模式识别 · 计算机科学 2015-12-25 Yunchen Pu , Xin Yuan , Andrew Stevens , Chunyuan Li , Lawrence Carin

We present a new "learning-to-learn"-type approach that enables rapid learning of concepts from small-to-medium sized training sets and is primarily designed for web-initialized image retrieval. At the core of our approach is a deep…

计算机视觉与模式识别 · 计算机科学 2017-10-30 A. Vakhitov , A. Kuzmin , V. Lempitsky

How to build a good model for image generation given an abstract concept is a fundamental problem in computer vision. In this paper, we explore a generative model for the task of generating unseen images with desired features. We propose…

计算机视觉与模式识别 · 计算机科学 2018-12-21 Qiangeng Xu , Zengchang Qin , Tao Wan

In this work, we introduce a self-supervised feature representation learning framework DreamTeacher that utilizes generative networks for pre-training downstream image backbones. We propose to distill knowledge from a trained generative…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Daiqing Li , Huan Ling , Amlan Kar , David Acuna , Seung Wook Kim , Karsten Kreis , Antonio Torralba , Sanja Fidler

Computer vision can be understood as the ability to perform inference on image data. Breakthroughs in computer vision technology are often marked by advances in inference techniques. This thesis proposes novel inference schemes and…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Varun Jampani

The convolutional neural networks (CNNs) have proven to be a powerful tool for discriminative learning. Recently researchers have also started to show interest in the generative aspects of CNNs in order to gain a deeper understanding of…

计算机视觉与模式识别 · 计算机科学 2015-04-10 Jifeng Dai , Yang Lu , Ying-Nian Wu

Generative modeling has recently shown great promise in computer vision, but it has mostly focused on synthesizing visually realistic images. In this paper, motivated by multi-task learning of shareable feature representations, we consider…

计算机视觉与模式识别 · 计算机科学 2021-06-28 Zhipeng Bao , Martial Hebert , Yu-Xiong Wang

A generative model is developed for deep (multi-layered) convolutional dictionary learning. A novel probabilistic pooling operation is integrated into the deep model, yielding efficient bottom-up (pretraining) and top-down (refinement)…

机器学习 · 统计学 2015-04-17 Yunchen Pu , Xin Yuan , Lawrence Carin

Given large amount of real photos for training, Convolutional neural network shows excellent performance on object recognition tasks. However, the process of collecting data is so tedious and the background are also limited which makes it…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yida Wang , Weihong Deng

This paper proposes a latent space energy-based prior model for semi-supervised learning. The model stands on a generator network that maps a latent vector to the observed example. The energy term of the prior model couples the latent…

机器学习 · 计算机科学 2020-10-20 Bo Pang , Erik Nijkamp , Jiali Cui , Tian Han , Ying Nian Wu
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