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We applied SourceXtractor++ package for automated surface photometry to Hyper Suprime-Cam (HSC) deep g-band imaging of the Coma cluster. This analysis yielded several catalogs with structural parameter fits for all galaxies in the Coma cluster out to Rvir. One of the resulting model catalogs, based on Sérsic+PSF fits, was used to investigate the cE population. We validate these fits through comparison with Hubble Space Telescope (HST) data and combine them with spectroscopic data from the Dark Energy Spectroscopic Instrument (DESI). By applying selection criteria to this combined dataset, we expand the known cE population in the Coma cluster. Additionally, we identify a subpopulation of cEs likely formed in infalling groups, according to their association with host galaxies, their positions on the caustic diagram -- consistent with infalling cluster galaxies -- and their projected phase-space trajectories. We estimate that the central cE population will increase by 30% within the next 0.4 Gyr, highlighting an important role of pre-processing in the evolution of cEs.