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For bidirectional joint image-text modeling, we develop variational hetero-encoder (VHE) randomized generative adversarial network (GAN), a versatile deep generative model that integrates a probabilistic text decoder, probabilistic image…

Computer Vision and Pattern Recognition · Computer Science 2020-01-09 Hao Zhang , Bo Chen , Long Tian , Zhengjue Wang , Mingyuan Zhou

Face recognition embeddings encode identity, but they also encode other factors such as gender and ethnicity. Depending on how these factors are used by a downstream system, separating them from the information needed for verification is…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Ünsal Öztürk , Vedrana Krivokuća Hahn , Sushil Bhattacharjee , Sébastien Marcel

We present fast, realistic image generation on high-resolution, multimodal datasets using hierarchical variational autoencoders (VAEs) trained on a deterministic autoencoder's latent space. In this two-stage setup, the autoencoder…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Troy Luhman , Eric Luhman

This paper presents a recursive hiding scheme for 2 out of 3 secret sharing. In recursive hiding of secrets, the user encodes additional information about smaller secrets in the shares of a larger secret without an expansion in the size of…

Cryptography and Security · Computer Science 2009-02-17 Abhishek Parakh , Subhash Kak

Existing vector quantization (VQ) based autoregressive models follow a two-stage generation paradigm that first learns a codebook to encode images as discrete codes, and then completes generation based on the learned codebook. However, they…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Mengqi Huang , Zhendong Mao , Zhuowei Chen , Yongdong Zhang

Transformer-based detectors have advanced small-object detection, but they often remain inefficient and vulnerable to background-induced query noise, which motivates deep decoders to refine low-quality queries. We present HELP…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Yangchen Zeng , Zhenyu Yu , Dongming Jiang , Wenbo Zhang , Yifan Hong , Zhanhua Hu , Jiao Luo , Kangning Cui

This paper presents innovative algorithms to efficiently compute erosions and dilations of run-length encoded (RLE) binary images with arbitrary shaped structuring elements. An RLE image is given by a set of runs, where a run is a…

Computer Vision and Pattern Recognition · Computer Science 2015-04-07 Gregor Ehrensperger , Alexander Ostermann , Felix Schwitzer

This paper proposes a novel Non-Local Attention Optimized Deep Image Compression (NLAIC) framework, which is built on top of the popular variational auto-encoder (VAE) structure. Our NLAIC framework embeds non-local operations in the…

Image and Video Processing · Electrical Eng. & Systems 2023-06-19 Haojie Liu , Tong Chen , Peiyao Guo , Qiu Shen , Xun Cao , Yao Wang , Zhan Ma

Learned progressive image compression is gaining momentum as it allows improved image reconstruction as more bits are decoded at the receiver. We propose a progressive image compression method in which an image is first represented as a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Alberto Presta , Enzo Tartaglione , Attilio Fiandrotti , Marco Grangetto , Pamela Cosman

Image super-resolution (SR) techniques are used to generate a high-resolution image from a low-resolution image. Until now, deep generative models such as autoregressive models and Generative Adversarial Networks (GANs) have proven to be…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Darius Chira , Ilian Haralampiev , Ole Winther , Andrea Dittadi , Valentin Liévin

In this paper, we propose a novel generative model-based attack on learnable image encryption methods proposed for privacy-preserving deep learning. Various learnable encryption methods have been studied to protect the sensitive visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 AprilPyone MaungMaung , Hitoshi Kiya

This paper investigates a secure blind watermarking scheme. The main idea of the scheme not only protects the watermark information but also the embedding positions. To achieve a higher level of security, we propose a sub key generation…

Cryptography and Security · Computer Science 2017-09-01 Lei Chen , Shihong Wang

As the latest video coding standard, versatile video coding (VVC) has shown its ability in retaining pixel quality. To excavate more compression potential for video conference scenarios under ultra-low bitrate, this paper proposes a bitrate…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Anni Tang , Yan Huang , Jun Ling , Zhiyu Zhang , Yiwei Zhang , Rong Xie , Li Song

Self-supervised learning in computer vision trains on unlabeled data, such as images or (image, text) pairs, to obtain an image encoder that learns high-quality embeddings for input data. Emerging backdoor attacks towards encoders expose…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Shiwei Feng , Guanhong Tao , Siyuan Cheng , Guangyu Shen , Xiangzhe Xu , Yingqi Liu , Kaiyuan Zhang , Shiqing Ma , Xiangyu Zhang

As the size and source of network traffic increase, so does the challenge of monitoring and analysing network traffic. Therefore, sampling algorithms are often used to alleviate these scalability issues. However, the use of high entropy…

Cryptography and Security · Computer Science 2019-05-29 Fran Casino , Kim-Kwang Raymond Choo , Constantinos Patsakis

In the era of generative AI, ensuring the privacy of music data presents unique challenges: unlike static artworks such as images, music data is inherently temporal and multimodal, and it is sampled, transformed, and remixed at an…

Databases · Computer Science 2025-08-12 William Zerong Wang , Dongfang Zhao

We present a coupled Variational Auto-Encoder (VAE) method that improves the accuracy and robustness of the probabilistic inferences on represented data. The new method models the dependency between input feature vectors (images) and weighs…

Machine Learning · Computer Science 2025-11-25 Shichen Cao , Jingjing Li , Kenric P. Nelson , Mark A. Kon

In this paper, we propose a framework called TrustMAE to address the problem of product defect classification. Instead of relying on defective images that are difficult to collect and laborious to label, our framework can accept datasets…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Daniel Stanley Tan , Yi-Chun Chen , Trista Pei-Chun Chen , Wei-Chao Chen

This paper presents a robust image encryption and key distribution framework that integrates an enhanced AES-128 algorithm with chaos theory and advanced steganographic techniques for dual-layer security. The encryption engine features a…

Cryptography and Security · Computer Science 2025-06-18 Md Rishadul Bayesh , Dabbrata Das , Md Ahadullah

Variational Autoencoders (VAEs) are powerful generative models capable of learning compact latent representations. However, conventional VAEs often generate relatively blurry images due to their assumption of an isotropic Gaussian latent…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Andrew Kiruluta