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We present an end-to-end image compression system based on compressive sensing. The presented system integrates the conventional scheme of compressive sampling and reconstruction with quantization and entropy coding. The compression…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Xin Yuan , Raziel Haimi-Cohen

Classification is a machine learning method used in many practical applications: text mining, handwritten character recognition, face recognition, pattern classification, scene labeling, computer vision, natural langage processing. A…

Machine Learning · Computer Science 2025-11-05 Doulaye Dembélé

Dataset creation is typically one of the first steps when applying Artificial Intelligence methods to a new task; and the real world performance of models hinges on the quality and quantity of data available. Producing an image dataset for…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Will Nash , Tom Drummond , Nick Birbilis

This paper proposes a new end-to-end trainable model for lossy image compression, which includes several novel components. The method incorporates 1) an adequate perceptual similarity metric; 2) saliency in the images; 3) a hierarchical…

Image and Video Processing · Electrical Eng. & Systems 2020-11-10 Yash Patel , Srikar Appalaraju , R. Manmatha

Recent progress in encoder-decoder neural network architecture design has led to significant performance improvements in a wide range of medical image segmentation tasks. However, state-of-the-art networks for a given task may be too…

Image and Video Processing · Electrical Eng. & Systems 2021-12-22 Tariq M. Khan , Syed S. Naqvi , Erik Meijering

Entropy is a measure of heterogeneity widely used in applied sciences, often when data are collected over space. Recently, a number of approaches has been proposed to include spatial information in entropy. The aim of entropy is to…

Statistics Theory · Mathematics 2019-11-12 Linda Altieri , Daniela Cocchi , Giulia Roli

As Convolutional Neural Networks embed themselves into our everyday lives, the need for them to be interpretable increases. However, there is often a trade-off between methods that are efficient to compute but produce an explanation that is…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Thomas Hartley , Kirill Sidorov , Christopher Willis , David Marshall

Intrinsic image decomposition is an important and long-standing computer vision problem. Given an input image, recovering the physical scene properties is ill-posed. Several physically motivated priors have been used to restrict the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Zongji Wang , Yunfei Liu , Feng Lu

Compressing word embeddings is important for deploying NLP models in memory-constrained settings. However, understanding what makes compressed embeddings perform well on downstream tasks is challenging---existing measures of compression…

Machine Learning · Computer Science 2020-01-16 Avner May , Jian Zhang , Tri Dao , Christopher Ré

As a fundamental visual attribute, image complexity significantly influences both human perception and the performance of computer vision models. However, accurately assessing and quantifying image complexity remains a challenging task. (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Shipeng Liu , Liang Zhao , Dengfeng Chen

Supervised object detection has been proven to be successful in many benchmark datasets achieving human-level performances. However, acquiring a large amount of labeled image samples for supervised detection training is tedious,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Bishwo Adhikari , Esa Rahtu , Heikki Huttunen

Almost all existing deep learning approaches for semantic segmentation tackle this task as a pixel-wise classification problem. Yet humans understand a scene not in terms of pixels, but by decomposing it into perceptual groups and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Jyh-Jing Hwang , Stella X. Yu , Jianbo Shi , Maxwell D. Collins , Tien-Ju Yang , Xiao Zhang , Liang-Chieh Chen

Image segmentation is usually addressed by training a model for a fixed set of object classes. Incorporating additional classes or more complex queries later is expensive as it requires re-training the model on a dataset that encompasses…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Timo Lüddecke , Alexander S. Ecker

The amount of image datasets collected for environmental monitoring purposes has increased in the past years as computer vision assisted methods have gained interest. Computer vision applications rely on high-quality datasets, making data…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Mikko Impiö , Philipp M. Rehsen , Jenni Raitoharju

The development and application of various remote sensing platforms result in the production of huge amounts of satellite image data. Therefore, there is an increasing need for effective querying and browsing in these image databases. In…

Multimedia · Computer Science 2010-04-13 H. B. Kekre , Saylee Gharge , Tanuja K. Sarode

Assigning meaning to parts of image data is the goal of semantic image segmentation. Machine learning methods, specifically supervised learning is commonly used in a variety of tasks formulated as semantic segmentation. One of the major…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Lu Yin , Vlado Menkovski , Shiwei Liu , Mykola Pechenizkiy

Transferring large amount of high resolution images over limited bandwidth is an important but very challenging task. Compressing images using extremely low bitrates (<0.1 bpp) has been studied but it often results in low quality images of…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Zhihong Pan , Xin Zhou , Hao Tian

Lossy image compression is generally formulated as a joint rate-distortion optimization to learn encoder, quantizer, and decoder. However, the quantizer is non-differentiable, and discrete entropy estimation usually is required for rate…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Mu Li , Wangmeng Zuo , Shuhang Gu , Debin Zhao , David Zhang

While it is nearly effortless for humans to quickly assess the perceptual similarity between two images, the underlying processes are thought to be quite complex. Despite this, the most widely used perceptual metrics today, such as PSNR and…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Richard Zhang , Phillip Isola , Alexei A. Efros , Eli Shechtman , Oliver Wang

Score diffusion methods can learn probability densities from samples. The score of the noise-corrupted density is estimated using a deep neural network, which is then used to iteratively transport a Gaussian white noise density to a target…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zahra Kadkhodaie , Stéphane Mallat , Eero P. Simoncelli