Increased popularity of digital media and image editing software has led to the spread of multimedia content forgery for various purposes. Undoubtedly, law and forensic medicine experts require trustworthy and non-forged images to enforce rights. Copy-move forgery is the most common type of manipulation of digital images. Copy-move forgery is used to hide an area of the image or to repeat a por...

Introduction: In digital radiography, radiographers tend to increase exposure factors to acquire an acceptable image quality thereby increasing radiation dose to patients.  Regarding this, the present study aimed to re-evaluate the exposure parameters and to ascertain the entrance surface dose (ESD) and effective dose (ED) of posterior-anterior (PA) chest, abdomen, and anterior-posterior (AP) l...

storage devices today, combined with the rapid expansion of broadband Internet connectivity, has given consumers more control over their digital photo collections than ever before. There’s virtually no limit to the amount of digital images we can keep and store on our PCs. As a result, the emerging challenge is searching through these digital image collections. With no information about the ima...

Advancements in digital imaging technologies has elevated many new issues and challenges concerning the authenticity and integrity of digital images. Digital images can now be easily captured and edited for creating forgery without leaving any obvious clues of such operations. These capabilities undermine the credibility of digital images in all aspects. Digital image forensics is has gained tr...

Removing noise from images is a challenging problem in digital image processing. This paper presents an image denoising method based on a maximum a posteriori (MAP) density function estimator, which is implemented in the wavelet domain because of its energy compaction property. The performance of the MAP estimator depends on the proposed model for noise-free wavelet coefficients. Thus in the wa...

It is very important to authenticate the digital image for its authenticity. The issue of the authenticity and integrity of digital images is progressively critical. Day by day, it's getting easier to create image forgeries because of the sophisticated image editing software programs. There are various types of digital image manipulation or tampering possible; like image compositing, splic...

The digital image processing has introduced revolutionary developments in research fields like medicine, military, security, biometrics, robotics, satellite image processing, digital image compression, digital image enhancement, digital video processing, etc. Image enhancement is the predominant fundamental step in the image processing and digital image enhancement creates an image which is per...