Picture and temple worship type the middle observe for a lot of Hindus. Nonetheless the unusual rituals and concepts can usually be judged as primitive and pagan.
However as this video explains, Hindus see God not solely as transcendent however immanent in creation. By the science of formality and religion the infinite and omnipresent Divinity might be woke up and enlivened even in inanimate objects.
The traditional Upanishad scriptures present the theological and religious foundation upon which Picture worship is predicated; and as soon as that is understood the explanations for seeing the Murthi (temple picture) as Divine turns into clear.
The fantastic thing about this, is that by seeing the Murthi as God and never only a statue, the devotee is presented a portal by way of which he can contact the Divine first hand.