In this article, develop image encryption techniquerelated on anElliptic Curve DiffieHellman(ECDH)and optimization algorithm of aPelican Optimization Algorithm (POA). The proposed model is utilized a secure ECFH key exchange towards calculate a communal session key with the enhanced EI-Gamal encoding technique. 3D and 4D Arnold cat maps can be utilized towards efficient transform and scramble the parameters of plain image pixels. An efficient digital signature can be utilized for authenticated the encrypted image preceding to decryption. The projected system is split into three stages such as ECDH key exchange, Decryption with decryption and signing of encrypted data. The encryption can be achieved on pixel blocks of specific pixels to empower speed of encryption and efficiency. In the projected technique, the efficient key selection can be achieved with the consideration of POA algorithm. The projectedtechnique is applied in MATLAB in additionpresentationis analyzed with performance metriceslikePeak Signal to Noise Ratio (PSNR), correlation coefficient (CC), Error, encryption time, in addition decryption time. The projectedtechniqueiscontrasted with the conventional techniques such as Advanced Encryption Standard (AES) and Rivest-Shamir-Adleman encryption (RES) respectively.