2. Contents
Introduction
What is AR?
Augmented Reality vs. Virtual Reality
How is it used?
How does it work?
Implementation Framework
Applications
Advantages
Disadvantages
Issues in Augmented Reality
3. Augmented reality (AR) is a
term for a live direct or an
indirect view of a physical,
real-world environment
whose elements
are augmented by computer
generated sensory input,
such as sound or graphics.
INTRODUCTION
4. What’s the difference ???
Augmented Reality
System augments the real world
scene
User maintains a sense of
presence in real world
Needs a mechanism to combine
virtual and real worlds
Hard to register real and virtual
Virtual Reality
Totally immersive environment
Senses are under control of
system
Need a mechanism to feed virtual
world to user
Hard to make VR world
interesting
5.
6. Nuts and Bolts of AR
Characteristics of Augmented Reality:
• it combines real and virtual
• it is interactive in real time
• it is registered in 3D.
Hardware needed for Augmented
Reality
• display
• tracking (e.g. GPS, compass)
• input devices (eg Camera)
• sensors (eg accelerometer)
• processer (eg CPU)
7. Image Registration
Registration – the process of alignment of real and synthetic stimuli
Image registration – process of identification of key features in an
image of physical world so that computer generated graphics can
be properly aligned
Image registration is computer vision task
Can be very difficult in the general case
Visual AR markers can be used to help
Requirements for immersive AR
• High precision
• Real time
10. AR HANDHELD DISPLAYS
Small handheld computing device
Uses global positioning systems (GPS)
11. AR SPATIAL DISPLAYS
Nothing to wear and/or carry
Uses digital projectors to display information
Marker-based and markerless devices
Ex. Smart projectors
14. Limitations
Spam and Security
take some generations to make Augmented Reality feasible
as a general interface technique accessible to the public.
Content may obscure and/or narrow a user’s interests or
tastes
Privacy control will become a big issue. Walking up to a
stranger or a group of people might reveal status, Tweets,
and information that may cause breaches of privacy.
15. Issues in Augmented Reality
Performance Issues
Real time processing of images can be a challenge and often can
slow down augmented reality systems.
Interaction Issues
Users within a mixed environment because of augmented reality
have difficulties interacting with the environment as normal.
Alignment Issues
People working in an augmented reality are more sensitive to
alignment errors. Proper calibration and alignment with the
reference frame of the world is crucial
16. Looking into Future
Expanding a PC screen to real world environment. Program
windows and icons appear as virtual devices in real space & eye
and gesture operated, by gazing or pointing.
Eg.Microsoft Hololens
Enhanced media application like pseudo holographic virtual
screens, virtual surround cinema.
Replacement of cell phones : eye dialing, insertion of information
directly into environment.
Framed pictures in a row
(Intermediate)
To reproduce the picture effects on this slide, do the following:
On the Home tab, in the Slides group, click Layout and then click Blank.
On the Insert tab, in the Images group, click Picture.
In the Insert Picture dialog box, select a picture and then click Insert.
Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Format Picture dialog box, resize or crop the image so that the height is set to 2” and the width is set to 2.67”.
To crop the picture, click Crop in the left pane, and in the Crop pane, under Crop position, enter values into the Height, Width, Left, and Top boxes.
To resize the picture, click Size in the left pane, and in the right pane, under Size and rotate, enter values into the Height and Width boxes.
On the slide, select the picture. Under Picture Tools, on the Format tab, in the Picture Styles group, click Quick Styles, and then click Reflected Bevel, Black (fifth row, fifth option from the left).
Select the picture. On the Home tab, in the Clipboard group, click the arrow to the right of Copy, and then click Duplicate.
Right-click the duplicate picture, and then click Change Picture. In the Insert Picture dialog box, select a picture and click Insert.
If the inserted picture is a different height and width, adjust the width and height. Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Size and Position dialog box, on the Size tab, resize or crop the picture as needed so that under Size and rotate, the Height box is set to 2” and the Width box is set to 2.67”. Resize the picture under Size and rotate by entering values into the Height and Width boxes. Crop the picture under Crop from by entering values into the Left, Right, Top, and Bottom boxes.
Repeat the process in steps 6-8 to create another duplicate picture, for a total of three pictures.
Drag the pictures to form a row across the slide.
Press and hold SHIFT and select all three pictures. On the Home tab, in the Drawing group, click Arrange, and then do the following:
Point to Align, and then click Align to Slide.
Point to Align, and then click Align Middle.
Point to Align, and then click Distribute Horizontally.
Click Group.
On the Home tab, in the Drawing group, click Shape Effects, point to 3-D Rotation, and then under Perspective click Perspective Contrasting Left (second row, fourth option from the left).
Drag the group to position it above the middle of the slide and also position it slightly to the left.
To reproduce the background effects on this slide, do the following:
Right-click the slide background area, and then click Format Background. In the Format Background dialog box, click Fill in the left pane, select Gradient fill in the Fill pane, and then do the following:
In the Type list, select Linear.
Click the button next to Direction, and then click Linear Down (first row, second option from the left).
In the Angle text box, enter 90⁰.
Under Gradient stops, click Add gradient stops or Remove gradient stops until two stops appear in the slider.
Also under Gradient stops, customize the gradient stops that you added as follows:
Select the first stop in the slider, and then do the following:
In the Position box, enter 50%.
Click the button next to Color, and then under Theme Colors click Black, Text 1, Lighter 5% (sixth row, second option from the left).
Select the second stop in the slider, and then do the following:
In the Position box, enter 100%.
Click the button next to Color, and then under Theme Colors click Dark Blue, Text 2, Lighter 40% (fourth row, fourth option from the left).
Framed pictures in a row
(Intermediate)
To reproduce the picture effects on this slide, do the following:
On the Home tab, in the Slides group, click Layout and then click Blank.
On the Insert tab, in the Images group, click Picture.
In the Insert Picture dialog box, select a picture and then click Insert.
Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Format Picture dialog box, resize or crop the image so that the height is set to 2” and the width is set to 2.67”.
To crop the picture, click Crop in the left pane, and in the Crop pane, under Crop position, enter values into the Height, Width, Left, and Top boxes.
To resize the picture, click Size in the left pane, and in the right pane, under Size and rotate, enter values into the Height and Width boxes.
On the slide, select the picture. Under Picture Tools, on the Format tab, in the Picture Styles group, click Quick Styles, and then click Reflected Bevel, Black (fifth row, fifth option from the left).
Select the picture. On the Home tab, in the Clipboard group, click the arrow to the right of Copy, and then click Duplicate.
Right-click the duplicate picture, and then click Change Picture. In the Insert Picture dialog box, select a picture and click Insert.
If the inserted picture is a different height and width, adjust the width and height. Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Size and Position dialog box, on the Size tab, resize or crop the picture as needed so that under Size and rotate, the Height box is set to 2” and the Width box is set to 2.67”. Resize the picture under Size and rotate by entering values into the Height and Width boxes. Crop the picture under Crop from by entering values into the Left, Right, Top, and Bottom boxes.
Repeat the process in steps 6-8 to create another duplicate picture, for a total of three pictures.
Drag the pictures to form a row across the slide.
Press and hold SHIFT and select all three pictures. On the Home tab, in the Drawing group, click Arrange, and then do the following:
Point to Align, and then click Align to Slide.
Point to Align, and then click Align Middle.
Point to Align, and then click Distribute Horizontally.
Click Group.
On the Home tab, in the Drawing group, click Shape Effects, point to 3-D Rotation, and then under Perspective click Perspective Contrasting Left (second row, fourth option from the left).
Drag the group to position it above the middle of the slide and also position it slightly to the left.
To reproduce the background effects on this slide, do the following:
Right-click the slide background area, and then click Format Background. In the Format Background dialog box, click Fill in the left pane, select Gradient fill in the Fill pane, and then do the following:
In the Type list, select Linear.
Click the button next to Direction, and then click Linear Down (first row, second option from the left).
In the Angle text box, enter 90⁰.
Under Gradient stops, click Add gradient stops or Remove gradient stops until two stops appear in the slider.
Also under Gradient stops, customize the gradient stops that you added as follows:
Select the first stop in the slider, and then do the following:
In the Position box, enter 50%.
Click the button next to Color, and then under Theme Colors click Black, Text 1, Lighter 5% (sixth row, second option from the left).
Select the second stop in the slider, and then do the following:
In the Position box, enter 100%.
Click the button next to Color, and then under Theme Colors click Dark Blue, Text 2, Lighter 40% (fourth row, fourth option from the left).
Framed pictures in a row
(Intermediate)
To reproduce the picture effects on this slide, do the following:
On the Home tab, in the Slides group, click Layout and then click Blank.
On the Insert tab, in the Images group, click Picture.
In the Insert Picture dialog box, select a picture and then click Insert.
Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Format Picture dialog box, resize or crop the image so that the height is set to 2” and the width is set to 2.67”.
To crop the picture, click Crop in the left pane, and in the Crop pane, under Crop position, enter values into the Height, Width, Left, and Top boxes.
To resize the picture, click Size in the left pane, and in the right pane, under Size and rotate, enter values into the Height and Width boxes.
On the slide, select the picture. Under Picture Tools, on the Format tab, in the Picture Styles group, click Quick Styles, and then click Reflected Bevel, Black (fifth row, fifth option from the left).
Select the picture. On the Home tab, in the Clipboard group, click the arrow to the right of Copy, and then click Duplicate.
Right-click the duplicate picture, and then click Change Picture. In the Insert Picture dialog box, select a picture and click Insert.
If the inserted picture is a different height and width, adjust the width and height. Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Size and Position dialog box, on the Size tab, resize or crop the picture as needed so that under Size and rotate, the Height box is set to 2” and the Width box is set to 2.67”. Resize the picture under Size and rotate by entering values into the Height and Width boxes. Crop the picture under Crop from by entering values into the Left, Right, Top, and Bottom boxes.
Repeat the process in steps 6-8 to create another duplicate picture, for a total of three pictures.
Drag the pictures to form a row across the slide.
Press and hold SHIFT and select all three pictures. On the Home tab, in the Drawing group, click Arrange, and then do the following:
Point to Align, and then click Align to Slide.
Point to Align, and then click Align Middle.
Point to Align, and then click Distribute Horizontally.
Click Group.
On the Home tab, in the Drawing group, click Shape Effects, point to 3-D Rotation, and then under Perspective click Perspective Contrasting Left (second row, fourth option from the left).
Drag the group to position it above the middle of the slide and also position it slightly to the left.
To reproduce the background effects on this slide, do the following:
Right-click the slide background area, and then click Format Background. In the Format Background dialog box, click Fill in the left pane, select Gradient fill in the Fill pane, and then do the following:
In the Type list, select Linear.
Click the button next to Direction, and then click Linear Down (first row, second option from the left).
In the Angle text box, enter 90⁰.
Under Gradient stops, click Add gradient stops or Remove gradient stops until two stops appear in the slider.
Also under Gradient stops, customize the gradient stops that you added as follows:
Select the first stop in the slider, and then do the following:
In the Position box, enter 50%.
Click the button next to Color, and then under Theme Colors click Black, Text 1, Lighter 5% (sixth row, second option from the left).
Select the second stop in the slider, and then do the following:
In the Position box, enter 100%.
Click the button next to Color, and then under Theme Colors click Dark Blue, Text 2, Lighter 40% (fourth row, fourth option from the left).
Framed pictures in a row
(Intermediate)
To reproduce the picture effects on this slide, do the following:
On the Home tab, in the Slides group, click Layout and then click Blank.
On the Insert tab, in the Images group, click Picture.
In the Insert Picture dialog box, select a picture and then click Insert.
Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Format Picture dialog box, resize or crop the image so that the height is set to 2” and the width is set to 2.67”.
To crop the picture, click Crop in the left pane, and in the Crop pane, under Crop position, enter values into the Height, Width, Left, and Top boxes.
To resize the picture, click Size in the left pane, and in the right pane, under Size and rotate, enter values into the Height and Width boxes.
On the slide, select the picture. Under Picture Tools, on the Format tab, in the Picture Styles group, click Quick Styles, and then click Reflected Bevel, Black (fifth row, fifth option from the left).
Select the picture. On the Home tab, in the Clipboard group, click the arrow to the right of Copy, and then click Duplicate.
Right-click the duplicate picture, and then click Change Picture. In the Insert Picture dialog box, select a picture and click Insert.
If the inserted picture is a different height and width, adjust the width and height. Under Picture Tools, on the Format tab, in the bottom right corner of the Size group, click the Size and Position dialog box launcher. In the Size and Position dialog box, on the Size tab, resize or crop the picture as needed so that under Size and rotate, the Height box is set to 2” and the Width box is set to 2.67”. Resize the picture under Size and rotate by entering values into the Height and Width boxes. Crop the picture under Crop from by entering values into the Left, Right, Top, and Bottom boxes.
Repeat the process in steps 6-8 to create another duplicate picture, for a total of three pictures.
Drag the pictures to form a row across the slide.
Press and hold SHIFT and select all three pictures. On the Home tab, in the Drawing group, click Arrange, and then do the following:
Point to Align, and then click Align to Slide.
Point to Align, and then click Align Middle.
Point to Align, and then click Distribute Horizontally.
Click Group.
On the Home tab, in the Drawing group, click Shape Effects, point to 3-D Rotation, and then under Perspective click Perspective Contrasting Left (second row, fourth option from the left).
Drag the group to position it above the middle of the slide and also position it slightly to the left.
To reproduce the background effects on this slide, do the following:
Right-click the slide background area, and then click Format Background. In the Format Background dialog box, click Fill in the left pane, select Gradient fill in the Fill pane, and then do the following:
In the Type list, select Linear.
Click the button next to Direction, and then click Linear Down (first row, second option from the left).
In the Angle text box, enter 90⁰.
Under Gradient stops, click Add gradient stops or Remove gradient stops until two stops appear in the slider.
Also under Gradient stops, customize the gradient stops that you added as follows:
Select the first stop in the slider, and then do the following:
In the Position box, enter 50%.
Click the button next to Color, and then under Theme Colors click Black, Text 1, Lighter 5% (sixth row, second option from the left).
Select the second stop in the slider, and then do the following:
In the Position box, enter 100%.
Click the button next to Color, and then under Theme Colors click Dark Blue, Text 2, Lighter 40% (fourth row, fourth option from the left).