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Neural processes are a family of models which use neural networks to directly parametrise a map from data sets to predictions. Directly parametrising this map enables the use of expressive neural networks in small-data problems where neural…

机器学习 · 统计学 2024-08-20 Wessel P. Bruinsma

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

The main idea of this paper is to explore the possibilities of generating samples from the neural networks, mostly focusing on the colorization of the grey-scale images. I will compare the existing methods for colorization and explore the…

图形学 · 计算机科学 2018-12-31 Wonbong Jang

We introduce Graph Neural Processes (GNP), inspired by the recent work in conditional and latent neural processes. A Graph Neural Process is defined as a Conditional Neural Process that operates on arbitrary graph data. It takes features of…

机器学习 · 计算机科学 2019-10-03 Andrew Carr , David Wingate

Conditional image generation has paved the way for several breakthroughs in image editing, generating stock photos and 3-D object generation. This continues to be a significant area of interest with the rise of new state-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Vedant Singh , Surgan Jandial , Ayush Chopra , Siddharth Ramesh , Balaji Krishnamurthy , Vineeth N. Balasubramanian

Graph neural networks (GNNs), which propagate the node features through the edges and learn how to transform the aggregated features under label supervision, have achieved great success in supervised feature extraction for both node-level…

机器学习 · 统计学 2022-11-01 Yilin He , Chaojie Wang , Hao Zhang , Bo Chen , Mingyuan Zhou

Non-local self-similarity is well-known to be an effective prior for the image denoising problem. However, little work has been done to incorporate it in convolutional neural networks, which surpass non-local model-based methods despite…

图像与视频处理 · 电气工程与系统科学 2023-07-19 Diego Valsesia , Giulia Fracastoro , Enrico Magli

Traditional algorithms for compressive sensing recovery are computationally expensive and are ineffective at low measurement rates. In this work, we propose a data driven non-iterative algorithm to overcome the shortcomings of earlier…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Suhas Lohit , Kuldeep Kulkarni , Ronan Kerviche , Pavan Turaga , Amit Ashok

Continuous input signals like images and time series that are irregularly sampled or have missing values are challenging for existing deep learning methods. Coherently defined feature representations must depend on the values in unobserved…

机器学习 · 计算机科学 2020-10-22 Marc Finzi , Roberto Bondesan , Max Welling

We introduce a framework for joint grounded scene graph - image generation, a challenging task involving high-dimensional, multi-modal structured data. To effectively model this complex joint distribution, we adopt a factorized approach:…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Bicheng Xu , Qi Yan , Renjie Liao , Lele Wang , Leonid Sigal

Deep neural networks (DNNs) have achieved remarkable success in a variety of computer vision tasks, where massive labeled images are routinely required for model optimization. Yet, the data collected from the open world are unavoidably…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Peng Cui , Yang Yue , Zhijie Deng , Jun Zhu

Positional Encoder Graph Neural Networks (PE-GNNs) are among the most effective models for learning from continuous spatial data. However, their predictive distributions are often poorly calibrated, limiting their utility in applications…

Synthetic polyp generation is a good alternative to overcome the privacy problem of medical data and the lack of various polyp samples. In this study, we propose a deep learning-based polyp image generation framework that generates…

图像与视频处理 · 电气工程与系统科学 2023-02-21 Hemin Ali Qadir , Ilangko Balasingham , Younghak Shin

Humans can only interact with part of the surrounding environment due to biological restrictions. Therefore, we learn to reason the spatial relationships across a series of observations to piece together the surrounding environment.…

机器学习 · 计算机科学 2020-01-07 Chieh Hubert Lin , Chia-Che Chang , Yu-Sheng Chen , Da-Cheng Juan , Wei Wei , Hwann-Tzong Chen

The Convolutional Neural Networks (CNNs) generate the feature representation of complex objects by collecting hierarchical and different parts of semantic sub-features. These sub-features can usually be distributed in grouped form in the…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Xiang Li , Xiaolin Hu , Jian Yang

The data bottleneck has emerged as a fundamental challenge in learning based image restoration methods. Researchers have attempted to generate synthesized training data using paired or unpaired samples to address this challenge. This study…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Dihan Zheng , Yihang Zou , Xiaowen Zhang , Chenglong Bao

In this paper we propose Spatial PixelCNN, a conditional autoregressive model that generates images from small patches. By conditioning on a grid of pixel coordinates and global features extracted from a Variational Autoencoder (VAE), we…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Nader Akoury , Anh Nguyen

We provide a two-way integration for the widely adopted ControlNet by integrating external condition generation algorithms into a single dense prediction method and incorporating its individually trained image generation processes into a…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Yilin Wang , Haiyang Xu , Xiang Zhang , Zeyuan Chen , Zhizhou Sha , Zirui Wang , Zhuowen Tu

We propose a weakly-supervised approach for conditional image generation of complex scenes where a user has fine control over objects appearing in the scene. We exploit sparse semantic maps to control object shapes and classes, as well as…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Dario Pavllo , Aurelien Lucchi , Thomas Hofmann

Despite the ability of text-to-image models to generate high-quality, realistic, and diverse images, they face challenges in compositional generation, often struggling to accurately represent details specified in the input prompt. A…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Parham Rezaei , Arash Marioriyad , Mahdieh Soleymani Baghshah , Mohammad Hossein Rohban