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This paper presents a new approach for filter design based on stochastic distances and tests between distributions. A window is defined around each pixel, overlapping samples are compared and only those which pass a goodness-of-fit test are…

Information Theory · Computer Science 2013-08-30 Leonardo Torres , Tamer Cavalcante , Alejandro C. Frery

Deep hiding, concealing secret information using Deep Neural Networks (DNNs), can significantly increase the embedding rate and improve the efficiency of secret sharing. Existing works mainly force on designing DNNs with higher embedding…

Multimedia · Computer Science 2023-02-24 Han Li , Hangcheng Liu , Shangwei Guo , Mingliang Zhou , Ning Wang , Tao Xiang , Tianwei Zhang

The use of 3D and stereo imaging is rapidly increasing. Compression, transmission, and processing could degrade the quality of stereo images. Quality assessment of such images is different than their 2D counterparts. Metrics that represent…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Maryam Karimi , Najmeh Soltanian , Shadrokh Samavi , Nader Karimi , S. M. Reza Soroushmehr , Kayvan Najarian

We propose a training and evaluation approach for autoencoder Generative Adversarial Networks (GANs), specifically the Boundary Equilibrium Generative Adversarial Network (BEGAN), based on methods from the image quality assessment…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Michael O. Vertolli , Jim Davies

Due to the limitation of available labeled data, medical image segmentation is a challenging task for deep learning. Traditional data augmentation techniques have been shown to improve segmentation network performances by optimizing the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Kevin Ginsburger

Although color is a fundamental feature of human visual perception, it has been largely unexplored in the reduced-reference (RR) image quality assessment (IQA) schemes. In this paper, we propose a natural scene statistic (NSS) method, which…

Computer Vision and Pattern Recognition · Computer Science 2014-12-01 Mounir Omari , Mohammed El Hassouni , Abdelkaher Ait Abdelouahad , Hocine Cherifi

This paper presents two approaches for filter design based on stochastic distances for intensity speckle reduction. A window is defined around each pixel, overlapping samples are compared and only those which pass a goodness-of-fit test are…

Information Theory · Computer Science 2013-08-21 Leonardo Torres , Alejandro C. Frery

In Computer Vision, edge detection is one of the favored approaches for feature and object detection in images since it provides information about their objects boundaries. Other region-based approaches use probabilistic analysis such as…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Dominique Beaini , Sofiane Achiche , Fabrice Nonez , Maxime Raison

In the field of image analysis, segmentation is one of the most important preprocessing steps. One way to achieve segmentation is by mean of threshold selection, where each pixel that belongs to a determined class islabeled according to the…

Computer Vision and Pattern Recognition · Computer Science 2014-05-30 Valentín Osuna-Enciso , Erik Cuevas , Humberto Sossa

Steganography involves hiding a secret message or image inside another cover image. Changes are made in the cover image without affecting visual quality of the image. In contrast to cryptography, Steganography provides complete secrecy of…

Multimedia · Computer Science 2017-04-11 G. Umamaheswari , Dr. C. P. Sumathi

We propose a novel method of efficient upsampling of a single natural image. Current methods for image upsampling tend to produce high-resolution images with either blurry salient edges, or loss of fine textural detail, or spurious noise…

Computer Vision and Pattern Recognition · Computer Science 2015-03-03 Chinmay Hegde , Oncel Tuzel , Fatih Porikli

The aim of the steganography methods is to communicate securely in a completely undetectable manner. LSB Matching and LSB Matching Revisited steganography methods are two general and esiest methods to achieve this aim. Being secured against…

Cryptography and Security · Computer Science 2017-09-21 Kazem Qazanfari , Reza Safabakhsh

This paper discusses an approach, based on the subsampling boostrap and FDR control, to improve the stability of feature selection. It furthermore presents the finite sample distribution of the correlation coefficient recently proposed by…

Methodology · Statistics 2020-06-29 Jonathan von Schroeder

One of the most significant challenges in the field of deep learning and medical image segmentation is to determine an appropriate threshold for classifying each pixel. This threshold is a value above which the model's output is considered…

Image and Video Processing · Electrical Eng. & Systems 2023-06-28 Ali Fayzi , Mohammad Fayzi , Mostafa Forotan

Deep learning has significantly advanced image edge detection (ED), primarily through improved feature extraction. However, most existing ED models apply uniform feature fusion across all pixels, ignoring critical differences between…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Hao Shu

Traditional adaptive steganography is a technique used for covert communication with high security, but it is invalid in the case of stego images are sent to legal receivers over networks which is lossy, such as JPEG compression of…

Multimedia · Computer Science 2021-10-19 Zhaoxia Yin , Longfei Ke

A novel method of color image enhancement is proposed, in which three or four color channels of the image are transformed to one channel 2-D grayscale image. This paper describes different models of such transformations in the RGB and other…

Image and Video Processing · Electrical Eng. & Systems 2018-07-24 Artyom M Grigoryan , Aparna John , Sos S Agaian

This paper presents a iterative optimization method, explicit shape regression, for face pose detection and localization. The regression function is learnt to find out the entire facial shape and minimize the alignment errors. A cascaded…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Wenye He

In the ever-expanding digital landscape, safeguarding sensitive information remains paramount. This paper delves deep into digital protection, specifically focusing on steganography. While prior research predominantly fixated on individual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Quang Nguyen , Truong Vu , Cuong Pham , Anh Tran , Khoi Nguyen

Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 M. Shahzeb Khan Gul , Bahadir K. Gunturk