The Renaissance and Baroque periods act as profound intersections in the eventful journey of art history. From their inception, they have steered the canvas of human creativity, blending the old world's ethos with nascent artistic ideals and innovation.

The seeds of the Renaissance blossomed around the 14th century in Italy and later proliferated throughout Europe. Its origin can be traced back to a historical context marked by cultural stagnancy of the Middle Ages. Plagued by pestilence, war, religious upheaval, and political chaos, society was ripe for radical transformation. Consequently, the Renaissance emerged as the cultural, political, and economic rebirth of Europe, propelling civilization from the darkness of the Middle Ages towards the enlightenment of modern age.

The Baroque period followed the Renaissance, commencing in the late 16th century. It was shaped by the aftermath of the Protestant Reformation and the Catholic Church's subsequent Counter-Reformation. Images of grandeur, elaborate ornamentations, and dramatic expressions became artistic tools to inspire faith and devotion, and served as a visual platform to reaffirm and propagate Catholic dogmas.

These periods, while distinct, share subtle threads of continuity. Both embraced humanism, placing the human form and experience at the artistic epicenter. Yet, they diverge when it comes to artistic interpretation and representation. Renaissance art, which was characterized by subtlety and calmness, attributed great importance to accuracy, symmetry, and proportionality. In contrast, Baroque art leaned towards exuberance and tension, showcasing dramatic scenes depicted with intense realism and emotional expressivity.

The ideological underpinning of the Renaissance was largely shaped by humanism, an intellectual movement that championed human dignity, potential, and achievements. This was reflected in the era's art, where subjects were no longer portrayed as mere religious icons but were imbued with individualistic traits and emotional depth.

Similarly, the Baroque period was heavily influenced by the ongoing ideological tug of war between Protestantism and Catholicism. The Catholic Church, aiming to reestablish its dominance, commissioned artworks laced with spiritual fervor and theatrics in stark contrast to toned-down Protestant aesthetics.

The Renaissance and Baroque periods effectively encapsulate the metamorphosis of artistic perspectives across centuries. They serve a testament to how shifting cultural and religious dynamics seep into our creative consciousness, spiraling into masterpieces that continue to enthral and engage human senses to this very day. As we delve deeper into the rich tapestry that is art history, let us embark on an immersive journey into the bygone eras, where the grandeur of Renaissance symmetry and Baroque drama unfolded on the canvas of human potential.