Page 408 - Emerging Trends and Innovations in Web-Based Applications and Technologies
P. 408

International Journal of Trend in Scientific Research and Development (IJTSRD)
               Special Issue on Emerging Trends and Innovations in Web-Based Applications and Technologies
                                       Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470

                                 A Meta-Learning Method for Few-Shot
                           Face Forgery Segmentation and Classification

                                                   2
                                                                             3
                                   1
                                                                                                      4
                      Govind Raut , Prof. Harshita , Chandrakant Kottalwar , Prof. Anupam Chaube
                                           1,2,3,4 Department of Science and Technology,
                         1,2,3 G H Raisoni Institute of Engineering and Technology, Nagpur, Maharashtra, India
                          4 G H Raisoni College of Engineering and Management, Nagpur, Maharashtra, India

             ABSTRACT                                           1.  INTRODUCTION
             Detection of Forgeries in Images: A Survey Abstract: While   The  development  of  deep  learning  in  recent  years  has
             the  technology  to  detect  forgeries  in  images  is  able  to   tremendously improved the problem of falsified facial photos
             detect  images  even  at  complex  images,  this  well  is  only   as a security threat. Deep learning has also been used for
             limited  to  known  forgery  methods.  It  trains  neural   detection in order to conduct forensic analysis on these kinds
             networks from large amounts of original and corresponding   of  falsified  photos.  Presently  available  technology  for
             forged images created with known techniques. But it fails to   identifying  forged  photos  does  a  good  job  of  identifying
             process  unseen  forgery  techniques.  One  such  proposed   established forging  techniques.  This  system  trains neural
             solution to  this problem,  recently, is  to employ a hand-  networks, which serve as detectors for learning the features
             crafted generator of forged images to generate a series of   of forged images, using a huge number of original and related
             fake  images  and  feed  them  to  the  neural  network  for   forged  images  produced  using  known  forged  techniques.
             training  However,  the  aforementioned  approach  has   Nevertheless, when these techniques come against untrained
             certain  limitations  detecting  performance  in  situations   forged  methods,  their  detection  efficiency  significantly
             where  the  hand-craft  generator  has  not  taken  into   declines. Recently, an innovative approach has been put out
             consideration invisible forging processes. In this study, we   to  overcome  this  problem  [1].  Using  a  parameterizable
             use a meta-learning approach to create a highly adaptive   forged image generator, this technique generates a variety of
             detector for detecting novel forging techniques, overcoming   forged images, which are subsequently used to train a neural
             the drawbacks of current approaches. By employing meta-  network. The forged image generator is trained using the
             learning approaches to train a forged image detector, the   immaculate image, as shown in Figure 1. Forging technique A
             suggested  method  allows  the  detector  to  be  fine-tuned   and forging method B are two of the mechanisms used by the
             using a small number of fresh forged examples. In order to   forged  image  generator/synthesizer  G  to  produce  forged
             detect forged images with comparable characteristics, the   images. The forged picture  detector is then trained using
             suggested method inputs a limited number of the forged   these  artificially  created  forged  images.  Given  that  the
             images to the detector and allows the detector to modify its   generator of faked images was created by
             weights  based  on  the  statistical  properties  of  the  input
             forged  photos.  With  IoU  gains  ranging  from  35.4%  to
             127.2%,  the  suggested  approach  significantly  improves
             forgery method detection. These findings illustrate that the
             suggested  approach  outperforms  the  state-of-the-art
             techniques  in  the  majority  of  situations  and  greatly
             enhances  detection  performance  with  a  relatively  small
             number of samples.























             Figure  1.  shows  earlier  techniques  for  synthesizing  fictitious  samples.  Using  a  fake  image  synthesizer  G,  the  pristine
             photographs are used to create fake images based on color jitter, scaling, sharpening, and translation. The employment of
             training weights during the inference phase is indicated by the orange dashed line.


             IJTSRD | Special Issue on Emerging Trends and Innovations in Web-Based Applications and Technologies   Page 398
   403   404   405   406   407   408   409   410   411   412   413