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This paper introduces a blind watermarking based on a convolutional neural network (CNN). We propose an iterative learning framework to secure robustness of watermarking. One loop of learning process consists of the following three stages:…

Multimedia · Computer Science 2019-03-21 Seung-Min Mun , Seung-Hun Nam , Han-Ul Jang , Dongkyu Kim , Heung-Kyu Lee

In this paper, A new image steganography scheme is proposed which is a kind of spatial domain technique. In order to hide secret data in cover-image, the first component alteration technique is used. Techniques used so far focuses only on…

Multimedia · Computer Science 2010-01-13 Amanpreet Kaur , Renu Dhir , Geeta Sikka

Color and structure are the two pillars that construct an image. Usually, the structure is well expressed through a rich spectrum of colors, allowing objects in an image to be recognized by neural networks. However, under extreme…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Yunzhong Hou , Liang Zheng , Stephen Gould

In recent years, characterized by the innovation of technology and the digital revolution, the field of media has become important. The transfer and exchange of multimedia data and duplication have become major concerns of researchers.…

Multimedia · Computer Science 2016-02-10 Med Karim Abdmouleh , Ali Khalfallah , Med Salim Bouhlel

Computational color constancy, or white balancing, is a key module in a camera's image signal processor (ISP) that corrects color casts from scene lighting. Because this operation occurs in the camera-specific raw color space, white balance…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Dongyoung Kim , Mahmoud Afifi , Dongyun Kim , Michael S. Brown , Seon Joo Kim

Biometric security is a fast growing area. Protecting biometric data is very important since it can be misused by attackers. In order to increase security of biometric data there are different methods in which watermarking is widely…

Computer Vision and Pattern Recognition · Computer Science 2011-11-07 Sabu M. Thampi , Ann Jisma Jacob

This paper presents a deep learning-based audio-in-image watermarking scheme. Audio-in-image watermarking is the process of covertly embedding and extracting audio watermarks on a cover-image. Using audio watermarks can open up…

Multimedia · Computer Science 2021-10-07 Arjon Das , Xin Zhong

With the rapid development of information technology and multimedia, the use of digital data is increasing day by day. So it becomes very essential to protect multimedia information from piracy and also it is challenging. A great deal of…

Multimedia · Computer Science 2013-07-15 Md. Maklachur Rahman

Steganography is one of the methods used for secret communication. Steganography attempts to hide the existence of the information. The object used to hide the secret information is called as cover object. Images are the most popular cover…

Multimedia · Computer Science 2013-07-12 S. Hemalatha , U. Dinesh Acharya , A. Renuka

In this paper, we propose an efficient digital watermarking scheme to strengthen the security level already present in the database management system and to avoid illegal access to comprehensive content of database including patient's…

Cryptography and Security · Computer Science 2012-07-24 Said Aminzou , Brahim Er-Raha , Youness Idrissi Khamlichi , Mustapha Machkour , Karim Afdel

Color image segmentation is a very emerging research topic in the area of color image analysis and pattern recognition. Many state-of-the-art algorithms have been developed for this purpose. But, often the segmentation results of these…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Dibya Jyoti Bora

Noise is often brought to host audio by common signal processing operation, and it usually changes the high-frequency component of an audio signal. So embedding watermark by adjusting low-frequency coefficient can improve the robustness of…

Multimedia · Computer Science 2017-04-11 Jinquan Zhang , Bin Han

The proliferation of digital media necessitates robust methods for copyright protection and content authentication. This paper presents a comprehensive comparative study of digital image watermarking techniques implemented using the spatial…

Multimedia · Computer Science 2025-11-14 Rizal Khoirul Anam

Digital watermarking enables protection against copyright infringement of images. Although existing methods embed watermarks imperceptibly and demonstrate robustness against attacks, they typically lack resilience against geometric…

Multimedia · Computer Science 2024-02-15 Hannes Mareen , Lucas Antchougov , Glenn Van Wallendael , Peter Lambert

Hyperspectral cameras face challenging spatial-spectral resolution trade-offs and are more affected by shot noise than RGB photos taken over the same total exposure time. Here, we present a colorization algorithm to reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 M. Kerem Aydin , Qi Guo , Emma Alexander

Most digital camera pipelines use color constancy methods to reduce the influence of illumination and camera sensor on the colors of scene objects. The highest accuracy of color correction is obtained with learning-based color constancy…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Nikola Banić , Karlo Koščević , Sven Lončarić

Underwater images suffer from light refraction and absorption, which impairs visibility and interferes the subsequent applications. Existing underwater image enhancement methods mainly focus on image quality improvement, ignoring the effect…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Zengxi Zhang , Zhiying Jiang , Jinyuan Liu , Xin Fan , Risheng Liu

Most scenes are illuminated by several light sources, where the traditional assumption of uniform illumination is invalid. This issue is ignored in most color constancy methods, primarily due to the complex spatial impact of multiple light…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Umut Cem Entok , Firas Laakom , Farhad Pakdaman , Moncef Gabbouj

Many current watermarking algorithms insert data in the spatial or transform domains like the discrete cosine, the discrete Fourier, and the discrete wavelet transforms. In this paper, we present a data-hiding algorithm that exploits the…

Multimedia · Computer Science 2010-12-13 Rashmi Agarwal , M. S. Santhanam

This paper gives a new scheme of watermarking technique related to insert the mark by adding edge in HH sub-band of the host image after wavelet decomposition. Contrary to most of the watermarking algorithms in wavelet domain, our method is…

Multimedia · Computer Science 2013-10-22 Henri Bruno Razafindradina , Attoumani Mohamed Karim