World Applied Sciences Journal 17 (9): 1192-1204, 2012 ISSN 1818-4952 © IDOSI Publications, 2012 Corresponding Author: Muhammad Sharif, Department of Computer Science, COMSATS Institute of Information Technology Wah Cantt., 47040, Pakistan. Tel: +92-300-5188998, Cell: +92-300-5188998. 1192 Brain Image Enhancement - A Survey Mussarat Yasmin, Muhammad Sharif, Saleha Masood, Mudassar Raza and Sajjad Mohsin Department of Computer Science, COMSATS Institute of Information Technology Wah Cantt., 47040, Pakistan Abstract: Brain image enhancement, Examination, Conception and investigation permit measurable exploration and conception of medical images of various modalities such as MEG, EEG, PET, MRI, CT or microscopy, to name a few. The basic purpose of enhancement operation is to analyze the brain images precisely in order to effectively diagnose and examine the diseases and problems. Brain imaging is a subfield of medical image processing. The field basically deals with handling the functions and actions taken in the brain. Brain imaging provides a way to investigate and determine brain related diseases in an efficient and effective manner. Enhancement of brain images is a vast field in dealing with these images. The basic objective of this study is to evaluate and discuss different techniques and approaches proposed in order to handle different brain imaging types. The paper provides a short overview of different methods presented in the prospect of brain image enhancement. Key words: Image Brain Analysis Precision Medical Imaging Diseases Methods INTRODUCTION Medical imaging is enduring an upheaval in the earlier period by the arrival of quicker, more precise and a lesser amount of enveloping devices. Medical imaging is one of our mass controlling apparatus for having insight in usual and pathological procedures that influence healthiness. The function of image dealing in medicines is escalating by growing significance of looking out ways to get better workflow in understanding surroundings where additional images are being obtained in gaining more modalities. All the work that has been done in this field drives the necessity aimed at conforming software expansion that in seizure has delivered a chief incentive Fig. 1: Medical imaging methods [2] on behalf of fresh procedures in signal image processing. Now if we talk about the basic work that has been This objective can be obtained through the process of done in this field, we can say that the most significant part image enhancement [3]. The images being handled of apparatus in today’s medical progress surroundings through image processing contain a variety of problems comprise a list of methods and techniques. The main work [4] which are listed in Figure 2: and methods [1] followed in medical image processing can These problems make the image imperfect be analyzed in Figure 1: for accurate diagnose of disease. While handling The basic purpose and theme of medical image these problems, our focus is on four main processing is to diagnose and examine medical components which are localization, targeting, images in a more effective, accurate and efficient manner. monitoring and control.