Use Cases Brainstorm

Use Case 1: Manipulating Writing Implement

Flow of Events:

• Obtain writing implement
• Hold Writing Implement
• Perform actions

Use Case 1.1: Hold Writing Implement

Flow of Events:

• Determine if writing implement present
• Determine if writing implement position correct
• Close hand

Use Case 1.1.1: Close Hand

Flow of Events:

• Trigger close hand action in NAO SDK

Use Case 1.2: Ask for Writing Implement

Flow of Events:

• Generate question
• Speak question
• Await person to put writing implement in hand
• Hold Writing Implement

Use Case 1.3: Pickup Writing Implement (opt)

Flow of Events:

• Scan Environment
• Identify Writing Implement
• Change Position to get to writing implement
• Determine Writing Implement orientation
• Pick up writing implement

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Use Case 2: Draw Picture

Flow of Events:

• Determine what is supposed to be drawn
• Identify steps to create drawing
• Execute drawing steps

Use Case 2.1: Draw Line

Flow of Events:

Use Case 2.2: Draw Square

Flow of Events:

Use Case 2.3: Draw Rectangle

Flow of Events:

Use Case 2.4: Draw Circle

Flow of Events:

Use Case 2.5: Draw Right Triangle

Flow of Events:

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Use Case 3: Speak

Flow of Events:

• Post speech text to NAO SDK broker

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Use Case 4: Scan Environment

Flow of Events:

• Obtain camera feed
• Pass camera feed to requesting module

Use Case 4.1: Scan for Drawing Surface

Flow of Events:

• Request to Scan Environment
• Identify Drawing Surface

Use Case 4.2.: Scan for Writing Implement

Flow of Events:

• Request to Scan Environment
• Identify Writing Implement

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Use Case 5: Identify Object

Flow of Events:

Need generic object identification process here

Use Case 5.1: Identify Writing Implement

Flow of Events:

• Identify the writing implement's colors
• Pick a color for a writing implement

Use Case 5.2: Identify Drawing Surface

Flow of Events:

• Find drawing surface
• Detect and recognize the drawing boundaries

Use Case 5.3: Identify Color

Flow of Events:

• Identify writing implement color as black, blue, red, green, brown, purple, yellow

Use Case 5.4: Identify All Writing Implements (opt)

Flow of Events:

• Process environment scan

• Repeatedly Identify writing implements until environment scan full processed

• Orient itself with writing surface

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Use Case 6: Listen for Command

Flow of Events:

• Listen for command to be given
• Raise Event when command heard
• Continue listening for next command

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Use Case 7: Raise Event

Flow of Events:

• Create event body
• Raise event on broker

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Use Case 8: Identify Orientation (opt)

Flow of Events:

• Determine how drawing surface is oriented compared to self

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Use Case 9: Change Location (opt)

Flow of Events:

Use Case 9.1: Adjust position to draw properly (opt)

Flow of Events:

• Determine orientation of surface initially relative to its location
• Move until robot is in a position to draw on the surface

Extension Use Case 7: Distinguish different colors

Flow of Events:

• Uses different colors on command
• Picks colors on own if not told otherwise
• Identifies a variety of colors

Extension Use Case 7.1: Autonomously picks a color

Flow of Events:

• No color is specified by user
• NAO picks colors for specific parts of image

Extension Use Case 7.2: Overridden by user

Flow of Events:

• The user does specify a color
• NAO identifies that utensil
• NAO uses that utensil to draw

Extension Use Case 7.3: Identifying colors

Flow of Events:

• User specifies a color
• NAO Can identify: black, blue, red, green, brown, purple, yellow

Extension Use Case 8: Line drawings containing several objects

Flow of Events:

• Composing drawings made up of simple shapes
• Separate a drawing into different parts using separate colors
• Receive instructions to put one part of drawing in a different location
• Recreating line drawings

Extension Use Case 8.1: Drawings from simple shapes

Flow of Events:

• Compose a drawing from predefined shapes
• Shapes could include square, rectangle, circle, or right triangle

Extension Use Case 8.2: Multi-Colored Drawings

      Flow of Events:

                 Separates drawings into parts

                 Denotes a color for each part

                 Draws each part in respective color



      Extension Use Case 8.3: Receiving Positioning Instructions

      Flow of Events:

                 Robot receives instructions including a shape going to a certain location

                 Robot draws said shape in said location relative to drawing surface

     

      Extension Use Case 8.4: Recreating Line Drawings

      Flow of Events:

                 Robot looks at image

                 Robot learns what to draw using edge detection algorithm

                 Robot recreates line drawing                 

Extension Use Case 9: Recognizing Interaction Windows

      Flow of Events:

                Robot can ask qualitative questions about drawing

                 Robot can make contextual decisions on where to take interaction

                 Robot can come up with meaningful responses to questions

      Extension Use Case 9.1: Asking Questions

      Flow of Events:

                 Robot asks questions about its drawing

                 Robot responds to feedback from user

      Extension Use Case 9.2: Pushing Conversation

      Flow of Events:

                 Robot knows when to ask user questions

                 Robot knows when to interact with user based on context

      Extension Use Case 9.3: Responding to questions

      Flow of Events:

                 User asks robot a question

                 Robot knows what user is asking

                 Robot comes up with meaningful response to the question