Image fusion is the method of integrating various photos that belong to the same
scenario into a single, high-quality image with improved visual appeal. An unconventional survey
of numerous image fusion methods is presented in this work. The researchers are conducting
thorough analysis of numerous contemporary non-traditional procedures. In this publication,
every type of picture fusion technique is explored. The paper primarily concentrates on outlining
the main objective, strengths, and shortcomings of that work. Pros and cons of all discussed papers
are listed in detailed style for thorough comprehension. The aim of this study is to assist new
researchers in comprehending the present status in research of the fusion process.