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In recent years, remote sensing change detection has garnered significant attention due to its critical role in resource monitoring and disaster assessment. Change detection tasks exist with different output granularities such as BCD, SCD,…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yuan Qu , Zhipeng Zhang , Chaojun Xu , Qiao Wan , Mengying Xie , Yuzeng Chen , Zhenqi Liu , Yanfei Zhong

In this paper, we contend that the objective of representation learning is to compress and transform the distribution of the data, say sets of tokens, towards a mixture of low-dimensional Gaussian distributions supported on incoherent…

机器学习 · 计算机科学 2023-06-05 Yaodong Yu , Sam Buchanan , Druv Pai , Tianzhe Chu , Ziyang Wu , Shengbang Tong , Benjamin D. Haeffele , Yi Ma

Learned image compression has achieved great success due to its excellent modeling capacity, but seldom further considers the Rate-Distortion Optimization (RDO) of each input image. To explore this potential in the learned codec, we make…

图像与视频处理 · 电气工程与系统科学 2022-03-31 Dezhao Wang , Wenhan Yang , Yueyu Hu , Jiaying Liu

We propose Recognition as Part Composition (RPC), an image encoding approach inspired by human cognition. It is based on the cognitive theory that humans recognize complex objects by components, and that they build a small compact…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Samarth Mishra , Pengkai Zhu , Venkatesh Saligrama

In computer vision, it is often observed that formulating regression problems as a classification task often yields better performance. We investigate this curious phenomenon and provide a derivation to show that classification, with the…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Shihao Zhang , Linlin Yang , Michael Bi Mi , Xiaoxu Zheng , Angela Yao

End-to-end image/video codecs are getting competitive compared to traditional compression techniques that have been developed through decades of manual engineering efforts. These trainable codecs have many advantages over traditional…

图像与视频处理 · 电气工程与系统科学 2023-08-03 Muhammet Balcilar , Bharath Bhushan Damodaran , Karam Naser , Franck Galpin , Pierre Hellier

Image Representation learning via input reconstruction is a common technique in machine learning for generating representations that can be effectively utilized by arbitrary downstream tasks. A well-established approach is using…

神经与进化计算 · 计算机科学 2025-06-10 Raoof HojatJalali , Edmondo Trentin

Consider a lossy compression system with $\ell$ distributed encoders and a centralized decoder. Each encoder compresses its observed source and forwards the compressed data to the decoder for joint reconstruction of the target signals under…

信息论 · 计算机科学 2018-07-19 Yizhong Wang , Li Xie , Xuan Zhang , Jun Chen

We study the decision-making process for choosing video compression systems through a rate-distortion-complexity (RDC) analysis. We discuss the 2D Bjontegaard delta (BD) metric and formulate generalizations in an attempt to extend its…

图像与视频处理 · 电气工程与系统科学 2025-09-09 Ricardo L. de Queiroz , Diogo C. Garcia , Yi-Hsin Chen , Ruhan Conceição , Wen-Hsiao Peng , Luciano V. Agostini

A representation is supposed universal if it encodes any element of the visual world (e.g., objects, scenes) in any configuration (e.g., scale, context). While not expecting pure universal representations, the goal in the literature is to…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Youssef Tamaazousti , Hervé Le Borgne , Céline Hudelot , Mohamed El Amine Seddik , Mohamed Tamaazousti

In this paper, we investigate the rate-distortion-perception function (RDPF) of a source modeled by a Gaussian Process (GP) on a measure space $\Omega$ under mean squared error (MSE) distortion and squared Wasserstein-2 perception metrics.…

信息论 · 计算机科学 2025-01-14 Giuseppe Serra , Photios A. Stavrou , Marios Kountouris

In this paper, we propose a novel function named Rate Distortion-in-Distortion (RDD) function as an extension of the classical rate-distortion (RD) function, where the expected distortion constraint is replaced by a Gromov-type distortion.…

信息论 · 计算机科学 2025-07-25 Lingyi Chen , Haoran Tang , Shitong Wu , Jiakun Liu , Huihui Wu , Wenyi Zhang , Hao Wu

In this paper, we study the computation of the rate-distortion-perception function (RDPF) for discrete memoryless sources subject to a single-letter average distortion constraint and a perception constraint that belongs to the family of…

信息论 · 计算机科学 2023-05-09 Giuseppe Serra , Photios A. Stavrou , Marios Kountouris

Many aspects of human learning have been proposed as a process of constructing mental programs: from acquiring symbolic number representations to intuitive theories about the world. In parallel, there is a long-tradition of using…

人机交互 · 计算机科学 2024-05-12 Hanqi Zhou , David G. Nagy , Charley M. Wu

As an increasing amount of image and video content will be analyzed by machines, there is demand for a new codec paradigm that is capable of compressing visual input primarily for the purpose of computer vision inference, while secondarily…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Ezgi Ozyilkan , Mateen Ulhaq , Hyomin Choi , Fabien Racape

This paper studies the performance of sparse regression codes for lossy compression with the squared-error distortion criterion. In a sparse regression code, codewords are linear combinations of subsets of columns of a design matrix. It is…

信息论 · 计算机科学 2017-07-17 Ramji Venkataramanan , Sekhar Tatikonda

In this letter, we formulate a compositional distributed learning framework for multi-view perception by leveraging the maximal coding rate reduction principle combined with subspace basis fusion. In the proposed algorithm, each agent…

图像与视频处理 · 电气工程与系统科学 2025-11-13 Zhuojun Tian , Mehdi Bennis

Since higher-order tensors are naturally suitable for representing multi-dimensional data in real-world, e.g., color images and videos, low-rank tensor representation has become one of the emerging areas in machine learning and computer…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yisi Luo , Xile Zhao , Zhemin Li , Michael K. Ng , Deyu Meng

In some practical learning tasks, such as traffic video analysis, the number of available training samples is restricted by different factors, such as limited communication bandwidth and computation power. Determinantal Point Process (DPP)…

机器学习 · 计算机科学 2023-08-17 Xiwen Chen , Huayu Li , Rahul Amin , Abolfazl Razi

All Lossy compression algorithms employ similar compression schemes -- frequency domain transform followed by quantization and lossless encoding schemes. They target tradeoffs by quantizating high frequency data to increase compression…

信息论 · 计算机科学 2021-12-15 Johnathan Chiu