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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

Joint machine learning models that allow synthesizing and classifying data often offer uneven performance between those tasks or are unstable to train. In this work, we depart from a set of empirical observations that indicate the…

机器学习 · 计算机科学 2023-04-06 Kamil Deja , Tomasz Trzcinski , Jakub M. Tomczak

Learning from multimodal data is an important research topic in machine learning, which has the potential to obtain better representations. In this work, we propose a novel approach to generative modeling of multimodal data based on…

机器学习 · 计算机科学 2021-12-21 Wenxue Chen , Jianke Zhu

Scenario generations of cooling, heating, and power loads are of great significance for the economic operation and stability analysis of integrated energy systems. In this paper, a novel deep generative network is proposed to model cooling,…

系统与控制 · 电气工程与系统科学 2022-04-22 Wenlong Liao , Yusen Wang , Yuelong Wang , Kody Powell , Qi Liu , Zhe Yang

By reinterpreting a robust discriminative classifier as Energy-based Model (EBM), we offer a new take on the dynamics of adversarial training (AT). Our analysis of the energy landscape during AT reveals that untargeted attacks generate…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Mujtaba Hussain Mirza , Maria Rosaria Briglia , Senad Beadini , Iacopo Masi

Generative neural networks can produce data samples according to the statistical properties of their training distribution. This feature can be used to test modern computational neuroscience hypotheses suggesting that spontaneous brain…

神经与进化计算 · 计算机科学 2025-07-29 Lorenzo Tausani , Alberto Testolin , Marco Zorzi

We show that for unconstrained Deep Linear Discriminant Analysis (LDA) classifiers, maximum-likelihood training admits pathological solutions in which class means drift together, covariances collapse, and the learned representation becomes…

机器学习 · 统计学 2026-01-06 Maxat Tezekbayev , Rustem Takhanov , Arman Bolatov , Zhenisbek Assylbekov

In this paper, we address the task of semantic-guided image generation. One challenge common to most existing image-level generation methods is the difficulty in generating small objects and detailed local textures. To address this, in this…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Hao Tang , Ling Shao , Philip H. S. Torr , Nicu Sebe

Generative artificial intelligence (AI) has made unprecedented advances in vision language models over the past two years. During the generative process, new samples (images) are generated from an unknown high-dimensional distribution.…

图形学 · 计算机科学 2025-10-13 Gurprit Singh , Wenzel Jakob

Purpose: Although recent deep energy-based generative models (EBMs) have shown encouraging results in many image generation tasks, how to take advantage of the self-adversarial cogitation in deep EBMs to boost the performance of Magnetic…

图像与视频处理 · 电气工程与系统科学 2021-09-10 Yu Guan , Zongjiang Tu , Shanshan Wang , Qiegen Liu , Yuhao Wang , Dong Liang

High-dimensional generative models have many applications including image compression, multimedia generation, anomaly detection and data completion. State-of-the-art estimators for natural images are autoregressive, decomposing the joint…

机器学习 · 计算机科学 2020-06-30 Ajay Jain , Pieter Abbeel , Deepak Pathak

Learning to generate a task-aware base learner proves a promising direction to deal with few-shot learning (FSL) problem. Existing methods mainly focus on generating an embedding model utilized with a fixed metric (eg, cosine distance) for…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Lei Zhang , Fei Zhou , Wei Wei , Yanning Zhang

Many computer vision applications involve modeling complex spatio-temporal patterns in high-dimensional motion data. Recently, restricted Boltzmann machines (RBMs) have been widely used to capture and represent spatial patterns in a single…

计算机视觉与模式识别 · 计算机科学 2017-10-24 Siqi Nie , Ziheng Wang , Qiang Ji

Biomedical research increasingly relies on integrating diverse data modalities, including gene expression profiles, medical images, and clinical metadata. While medical images and clinical metadata are routinely collected in clinical…

人工智能 · 计算机科学 2026-01-23 Francesca Pia Panaccione , Carlo Sgaravatti , Pietro Pinoli

We introduce LlamaGen, a new family of image generation models that apply original ``next-token prediction'' paradigm of large language models to visual generation domain. It is an affirmative answer to whether vanilla autoregressive…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Peize Sun , Yi Jiang , Shoufa Chen , Shilong Zhang , Bingyue Peng , Ping Luo , Zehuan Yuan

Diffusion Models (DM) and Consistency Models (CM) are two types of popular generative models with good generation quality on various tasks. When training DM and CM, intermediate weight checkpoints are not fully utilized and only the last…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Enshu Liu , Junyi Zhu , Zinan Lin , Xuefei Ning , Shuaiqi Wang , Matthew B. Blaschko , Sergey Yekhanin , Shengen Yan , Guohao Dai , Huazhong Yang , Yu Wang

Entities can be expressed in diverse formats, such as texts, images, or column names and cell values in tables. While existing entity linking (EL) models work well on per modality configuration, such as text-only EL, visual grounding, or…

Deep generative models like GAN and VAE have shown impressive results in generating unconstrained objects like images. However, many design settings arising in industrial design, material science, computer graphics and more require that the…

机器学习 · 计算机科学 2024-06-07 Aaron Ferber , Arman Zharmagambetov , Taoan Huang , Bistra Dilkina , Yuandong Tian

Although Generative Adversarial Networks have shown remarkable performance in image generation, there are some challenges in image realism and convergence speed. The results of some models display the imbalances of quality within a…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Ying Liu , Wenhong Cai , Xiaohui Yuan , Jinhai Xiang

When samples have internal structure, we often see a mismatch between the objective optimized during training and the model's goal during inference. For example, in sequence-to-sequence modeling we are interested in high-quality translated…

机器学习 · 计算机科学 2020-10-05 Xi Gao , Han Zhang , Aliakbar Panahi , Tom Arodz