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Deep neural networks (DNNs) have been demonstrated to be vulnerable to adversarial examples. Specifically, adding imperceptible perturbations to clean images can fool the well trained deep neural networks. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Xiaojun Jia , Xingxing Wei , Xiaochun Cao , Hassan Foroosh

Autoencoder-based structures have dominated recent learned image compression methods. However, the inherent information loss associated with autoencoders limits their rate-distortion performance at high bit rates and restricts their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Hanyue Tu , Siqi Wu , Li Li , Wengang Zhou , Houqiang Li

Recent advances in deep learning have markedly improved the quality of visual-attention modelling. In this work we apply these advances to video compression. We propose a compression method that uses a saliency model to adaptively compress…

Computer Vision and Pattern Recognition · Computer Science 2019-07-25 Vitaliy Lyudvichenko , Mikhail Erofeev , Alexander Ploshkin , Dmitriy Vatolin

We propose adversarial embedding, a new steganography and watermarking technique that embeds secret information within images. The key idea of our method is to use deep neural networks for image classification and adversarial attacks to…

Cryptography and Security · Computer Science 2019-12-04 Salah Ghamizi , Maxime Cordy , Mike Papadakis , Yves Le Traon

Sound event detection systems are widely used in various applications such as surveillance and environmental monitoring where data is automatically collected, processed, and sent to a cloud for sound recognition. However, this process may…

Sound · Computer Science 2024-01-04 Shayan Gharib , Minh Tran , Diep Luong , Konstantinos Drossos , Tuomas Virtanen

We investigate adversarial attacks for autoencoders. We propose a procedure that distorts the input image to mislead the autoencoder in reconstructing a completely different target image. We attack the internal latent representations,…

Neural and Evolutionary Computing · Computer Science 2016-12-02 Pedro Tabacof , Julia Tavares , Eduardo Valle

Could we compress images via standard codecs while avoiding visible artifacts? The answer is obvious -- this is doable as long as the bit budget is generous enough. What if the allocated bit-rate for compression is insufficient? Then…

Image and Video Processing · Electrical Eng. & Systems 2021-08-11 Hossein Talebi , Damien Kelly , Xiyang Luo , Ignacio Garcia Dorado , Feng Yang , Peyman Milanfar , Michael Elad

Although deep convolutional neural network has been proved to efficiently eliminate coding artifacts caused by the coarse quantization of traditional codec, it's difficult to train any neural network in front of the encoder for gradient's…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Lijun Zhao , Huihui Bai , Anhong Wang , Yao Zhao

In recent years, deep learning has shown performance breakthroughs in many applications, such as image detection, image segmentation, pose estimation, and speech recognition. However, this comes with a major concern: deep networks have been…

Machine Learning · Computer Science 2019-01-11 Felix Kreuk , Assi Barak , Shir Aviv-Reuven , Moran Baruch , Benny Pinkas , Joseph Keshet

Visual recognition under adverse conditions is a very important and challenging problem of high practical value, due to the ubiquitous existence of quality distortions during image acquisition, transmission, or storage. While deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ding Liu , Bowen Cheng , Zhangyang Wang , Haichao Zhang , Thomas S. Huang

We present an effective post-processing method to reduce the artifacts from sparsely reconstructed cone-beam CT (CBCT) images. The proposed method is based on the state-of-the-art, image-to-image generative models with a perceptual loss as…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Haofu Liao , Zhimin Huo , William J. Sehnert , Shaohua Kevin Zhou , Jiebo Luo

In this work we propose a method for optimizing the lossy compression for a network of diverse reconstruction systems. We focus on adapting a standard image compression method to a set of candidate displays, presenting the decompressed…

Multimedia · Computer Science 2018-02-13 Yehuda Dar , Michael Elad , Alfred M. Bruckstein

Detecting facial forgery images and videos is an increasingly important topic in multimedia forensics. As forgery images and videos are usually compressed into different formats such as JPEG and H264 when circulating on the Internet,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Shenhao Cao , Qin Zou , Xiuqing Mao , Zhongyuan Wang

Even though rate-distortion optimization is a crucial part of traditional image and video compression, not many approaches exist which transfer this concept to end-to-end-trained image compression. Most frameworks contain static compression…

Image and Video Processing · Electrical Eng. & Systems 2022-01-06 Fabian Brand , Kristian Fischer , Alexander Kopte , André Kaup

End-to-end learned video compression has achieved strong rate-distortion performance, but rate control remains underexplored, especially in target-bitrate-driven and budget-constrained scenarios. Existing methods mainly rely on explicit…

Multimedia · Computer Science 2026-04-23 Zhiheng Xu , Xuerui Ma , Chunhua Peng , Hao Zhang

With the advent of perceptual loss functions, new possibilities in super-resolution have emerged, and we currently have models that successfully generate near-photorealistic high-resolution images from their low-resolution observations. Up…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Eduardo Pérez-Pellitero , Mehdi S. M. Sajjadi , Michael Hirsch , Bernhard Schölkopf

Recently, a multitude of methods for image-to-image translation have demonstrated impressive results on problems such as multi-domain or multi-attribute transfer. The vast majority of such works leverages the strengths of adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 James Oldfield , Yannis Panagakis , Mihalis A. Nicolaou

We present a framework to learn privacy-preserving encodings of images that inhibit inference of chosen private attributes, while allowing recovery of other desirable information. Rather than simply inhibiting a given fixed pre-trained…

Machine Learning · Computer Science 2018-12-06 Francesco Pittaluga , Sanjeev J. Koppal , Ayan Chakrabarti

Anomaly detection is to identify samples that do not conform to the distribution of the normal data. Due to the unavailability of anomalous data, training a supervised deep neural network is a cumbersome task. As such, unsupervised methods…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Vahid Reza Khazaie , Anthony Wong , John Taylor Jewell , Yalda Mohsenzadeh

Deep neural networks have been shown to perform poorly on adversarial examples. To address this, several techniques have been proposed to increase robustness of a model for image classification tasks. However, in video understanding tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Divya Choudhary , Palash Goyal , Saurabh Sahu