Artificial intelligence (AI) can be
defined as the branch of computer science dealing with the simulation of
intelligent human behavior in computers. It is done by creating algorithms that
can solve problems and are programmed for all the specificities of the problem.
Dermatology has taken the leading
position for the implementation of AI in the medical field because of its large
clinical, dermoscopical, and dermatopathological image database.
Artificial intelligence (AI) in
DERMATOLOGY
The main applications of AI are in
dermatology. Dermatology is a field with a growing interplay of
digitalization, tele-health, and informatics. Hence, AI can be used for
dermatological applications as well.
The main principle behind this
application is that dermoscopic or non-dermoscopic images of lesions can be
broken down into individual pixels for analysis. These applications are
typically validated by comparing their ability to correctly diagnose lesions
with the ability of a certified dermatologist.
Although most of the research on AI
is based on photorecognition algorithms, numerical values can also be applied.
In recent years, smartphone
applications are available and easily accessible for diagnosis of melanoma.
Furthermore, Al can assist in
histopathological diagnosis of malignancies. CNN is trained with a data set of
histopathological and corresponding clinical images to generate diagnosis.
Dermatological conditions where AI
has found a role are acne, psoriasis, lichen planus, pityriasis lichenoides,
dermatomyositis, atopic dermatitis and seborrheic dermatitis etc.
AI as an
educational tool
AI is as excellent educational
resource for training dermatologists, researchers, students, and skin cancer
specialists. After going through visually similar images, medical experts are
able to gain deeper insights into their cases which help them to make a more
accurate diagnosis.
Machine
learning
Machine learning process involves
Deep learning
Deep learning based on deep
features processed by convolutional neural network (CNN). Imitates the working
of the human brain in processing the data. Deep learning algorithm does not
require explicit feature definition by human experts.
CNN
It is the most prevalent deep
learning architecture. Computational models comprise series of layers and
successively match inputs to desired end points.
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