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how does augmented reality work step by step

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How does AR and VR Work


Augmented Reality (AR) is a technology that combines computer-generated virtual elements with the real world, allowing users to interact with digital content in a real-time environment. Here’s a step-by-step explanation of how AR works:

examples and USE OF AR

Perception: The process starts with capturing and perceiving the real-world environment. This is done using devices such as smartphones, tablets, smart glasses, or specialized AR headsets. These devices are equipped with sensors like cameras, GPS, accelerometers, gyroscopes, and depth sensors to gather information about the user’s surroundings.

Tracking: The AR system needs to understand the position and orientation of the device in relation to the real world. Tracking algorithms analyze the sensor data to estimate the device’s movement and determine its position and orientation in real time. This is known as the device’s pose estimation.

Mapping: Once the device’s pose is estimated, the AR system needs to create a mapping between the real world and the virtual content. This is typically achieved by creating a 3D model or representation of the environment. The mapping process aligns the virtual coordinate system with the real-world coordinate system, allowing virtual objects to be placed accurately in the user’s view.

Content Rendering: After the mapping process, the AR system overlays virtual content onto the real world. This can include 3D models, text, images, videos, or any other digital information. The virtual content is rendered based on the device’s pose and the mapping created in the previous steps. The rendering process ensures that the virtual objects appear integrated and aligned with the real-world environment.

Display: The rendered virtual content is then displayed to the user in real time. This can be done through the device’s screen (e.g., smartphone or tablet) or through specialized AR glasses that project the virtual content directly onto the user’s field of view.

Interaction: Users can interact with the virtual content in various ways. This can include touching virtual objects on a touchscreen, using gestures or voice commands, or even using external devices like controllers or haptic feedback systems. The AR system interprets the user’s actions and updates the virtual content accordingly.

Real-Time Updates: As the user moves or the environment changes, the AR system continuously updates the tracking, mapping, and rendering processes to ensure the virtual content remains aligned with the real world. This real-time feedback loop allows for a seamless and immersive AR experience.

By combining these steps, AR technology creates the illusion of virtual objects coexisting and interacting with the real world, enhancing the user’s perception and providing unique interactive experiences.

Some Examples Of AR:

1. snapchat:

snapchat is very interesting and useful chat and reels or story related app. But in Snapchat we all are familiar with the filter which very interesting. In fact, Snapchat mainly famous for their AR features

example of AR in snapchat filter

2. TikTok:

As Well as TikTok also very heigh demanding app. In all over the world even it’s also having very unique features of AR.

AR example as TikTok filter

3. Some Handset Games:

Know at this century game is part of our life. But before few years ago. the trend of AR games is becoming very fascinating. And the time will not very far when we all are using eyewear for taking a batter experience of games.

AR example as Pokemon'GO

And here some example like pokemon’Go and etc.

trending is apple vision pro eyewear:

apple vision pro is the great achievement in augment reality.

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