CAPTCHAs against meddler image identification based on a convolutional neural network.

P. L. Chithra K. Sathya

Published in: Multim. Tools Appl. (2022)

Keyphrases

image content
convolutional neural network
multiscale
image features
image analysis
template matching
single image
edge detection
input image
image data
high resolution
image classification
image segmentation
test images
segmentation method
image retrieval
image collections
feature points
image representation
image pixels
grey level
feature extraction
energy function
keypoints
face recognition
neural network
image sequences
image database
similarity measure