2Oliver Schreck2015-10-20

Pros:• Extension of current

paradigm

• Uses only 2D

• Constant feedback to user

Cons:• Leads to fatigue• Accuracy• Standard UI

difficult to operate

Hand/finger becomes the mouse cursor

3Oliver Schreck2015-10-20

Pros:• No issues of

accuracy

• Fewer false selection due to big buttons

Cons:• Chang in the

interface design

• No constant feedback to user

As hand moves over objects they are highlighted

4Oliver Schreck2015-10-20

Pros:• Very detail

feedback

• Virtual reality feeling

• Immersive world

Cons:• “Uncanny valley”, create a hand

that user wants to use• Very sensitive to tracking• Requires certain amount of

control• High sensitivity to the

perspective of the interface

Animated 3D model that reaches into the screen

5Oliver Schreck2015-10-20

Pros:• Intuitive• Constant feedback• Use of all 3 dimensions• No pointer required, the

hand is the pointer

Cons:• Re-design of UI and

interaction• Unclear definition of

selector• Obscuring of elements

A augmented Hand is overlaid onto the UI

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7Oliver Schreck2015-10-20

Old interfaces are designed for mouseThe finger is not a mouseGesture adds value, without replacing the keyboard and mouse

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Avoid actions that require your user to lift their hand above the height of their shoulder

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Clear differentiation between left and right hand neededDetection/Discrimination of multiple hands

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• Avoid frustration of user, if selection does not work

• Signalize the user when he is leaving the “Effective Interaction Zone”

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Feedback needed, so that user knows if he is in the Effective Interaction Space

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Simulate a touchscreen in the air- Provide visual feedback to the user- No haptic feedback- Separates action from selection

- Selection before wall- Action after wall

25Oliver Schreck2015-10-20

Corel Painter interaction with Leapmotion- Hover zone for selection- Painting zone for action

Color selector- Select color- Stay on one color for a certain time

circle will fill

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Key Tap

Screen TapCircle

Swipe

27Oliver Schreck2015-10-20

Pros:• Easy to select

• Good feedback due to AR hand

• Clear how to interact

Cons:• High fatigue• Hand would obscure the

menus on the screen• Right handed difficult to

select left menu

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Natural hand movementwhen resting elbow Leads to UI definition

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