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Recent advances in text-to-image generative models provide the ability to generate high-quality images from short text descriptions. These foundation models, when pre-trained on billion-scale datasets, are effective for various downstream…

Machine Learning · Computer Science 2023-07-06 Eric Lei , Yiğit Berkay Uslu , Hamed Hassani , Shirin Saeedi Bidokhti

A new trend uses LLMs as dense text encoders via contrastive learning. However, since LLM embeddings predict the probability distribution of the next token, they are inherently generative and distributive, conflicting with contrastive…

Computation and Language · Computer Science 2025-10-17 Jingcheng Deng , Zhongtao Jiang , Liang Pang , Liwei Chen , Kun Xu , Zihao Wei , Huawei Shen , Xueqi Cheng

While deep neural networks have achieved remarkable performance, data augmentation has emerged as a crucial strategy to mitigate overfitting and enhance network performance. These techniques hold particular significance in industrial…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Hyungmin Kim , Donghun Kim , Pyunghwan Ahn , Sungho Suh , Hansang Cho , Junmo Kim

We propose an end-to-end trainable image compression framework with a multi-scale and context-adaptive entropy model, especially for low bitrate compression. Due to the success of autoregressive priors in probabilistic generative model, the…

Image and Video Processing · Electrical Eng. & Systems 2019-10-18 Jing Zhou , Sihan Wen , Akira Nakagawa , Kimihiko Kazui , Zhiming Tan

We propose the In-context Autoencoder (ICAE), leveraging the power of a large language model (LLM) to compress a long context into short compact memory slots that can be directly conditioned on by the LLM for various purposes. ICAE is first…

Computation and Language · Computer Science 2024-05-10 Tao Ge , Jing Hu , Lei Wang , Xun Wang , Si-Qing Chen , Furu Wei

In recent years, learned image compression (LIC) technologies have surpassed conventional methods notably in terms of rate-distortion (RD) performance. Most present learned techniques are VAE-based with an autoregressive entropy model,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Minghao Han , Shiyin Jiang , Shengxi Li , Xin Deng , Mai Xu , Ce Zhu , Shuhang Gu

This paper describes a set of neural network architectures, called Prediction Neural Networks Set (PNNS), based on both fully-connected and convolutional neural networks, for intra image prediction. The choice of neural network for…

Neural and Evolutionary Computing · Computer Science 2019-09-02 Thierry Dumas , Aline Roumy , Christine Guillemot

The rapid growth of large models' size has far outpaced that of computing resources. To bridge this gap, encouraged by the parsimonious relationship between genotype and phenotype in the brain's growth and development, we propose the…

Machine Learning · Computer Science 2026-02-04 Fenglei Fan , Juntong Fan , Dayang Wang , Jingbo Zhang , Zelin Dong , Shijun Zhang , Ge Wang , Tieyong Zeng

Sketching is a probabilistic data compression technique that has been largely developed in the computer science community. Numerical operations on big datasets can be intolerably slow; sketching algorithms address this issue by generating a…

Methodology · Statistics 2019-04-04 Daniel Ahfock , William J. Astle , Sylvia Richardson

Data compression is a powerful tool for managing massive but repetitive datasets, especially schemes such as grammar-based compression that support computation over the data without decompressing it. In the best case such a scheme takes a…

Data Structures and Algorithms · Computer Science 2019-06-04 Travis Gagie , Tomohiro I , Giovanni Manzini , Gonzalo Navarro , Hiroshi Sakamoto , Yoshimasa Takabatake

In today's world, image processing plays a crucial role across various fields, from scientific research to industrial applications. But one particularly exciting application is image captioning. The potential impact of effective image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Md Alif Rahman Ridoy , M Mahmud Hasan , Shovon Bhowmick

Societal and industrial infrastructures and systems increasingly leverage sensors that emit correlated time series. Forecasting of future values of such time series based on recorded historical values has important benefits. Automatically…

Machine Learning · Computer Science 2024-11-12 Xinle Wu , Xingjian Wu , Dalin Zhang , Miao Zhang , Chenjuan Guo , Bin Yang , Christian S. Jensen

Many natural phenomena exhibit a stochastic nature that one attempts at modeling by using stochastic processes of different types. In this context, often one is interested in investigating the memory properties of the natural phenomenon at…

Computational Physics · Physics 2023-05-09 Salvatore Miccichè

Retrieval-augmented generation improves the factual accuracy of Large Language Models (LLMs) by incorporating external context, but often suffers from irrelevant retrieved content that hinders effectiveness. Context compression addresses…

Computation and Language · Computer Science 2025-09-23 Lvzhou Luo , Yixuan Cao , Ping Luo

Autoregressive models use chain rule to define a joint probability distribution as a product of conditionals. These conditionals need to be normalized, imposing constraints on the functional families that can be used. To increase…

Machine Learning · Computer Science 2020-10-27 Chenlin Meng , Lantao Yu , Yang Song , Jiaming Song , Stefano Ermon

Soft context compression reduces the computational workload of processing long contexts in LLMs by encoding long context into a smaller number of latent tokens. However, existing frameworks apply uniform compression ratios, failing to…

Computation and Language · Computer Science 2026-03-30 Yijiong Yu , Shuai Yuan , Jie Zheng , Huazheng Wang , Ji Pei

A transformed auto-correlation method is presented here, where a received signal is transformed based on a priori reflecting model, and then the transformed signal is cross-correlated to its original one. If the model is correct, after…

Instrumentation and Methods for Astrophysics · Physics 2014-07-03 Jianfeng Zhou , Yang Gao

We investigate contextual graph matching in the Gaussian setting, where both edge weights and node features are correlated across two networks. We derive precise information-theoretic thresholds for exact recovery, and identify conditions…

Machine Learning · Statistics 2026-03-25 Mohammad Hassan Ahmad Yarandi , Luca Ganassali

We formulate learning of a binary autoencoder as a biconvex optimization problem which learns from the pairwise correlations between encoded and decoded bits. Among all possible algorithms that use this information, ours finds the…

Machine Learning · Computer Science 2016-11-08 Akshay Balsubramani

In recent years, as data and problem sizes have increased, distributed learning has become an essential tool for training high-performance models. However, the communication bottleneck, especially for high-dimensional data, is a challenge.…

Optimization and Control · Mathematics 2025-04-28 Dmitry Bylinkin , Aleksandr Beznosikov