What is flow for?
This survey is for a wide audience. Feel free to leave blank any questions that do not apply to you.
Your name: (for gift raffle at the workshop) *
Your answer
Please tell us a bit about yourself:
Which one describes your current position best?
What is your relation to optical flow? *
Which of the computer vision problems listed below have you worked on? (Select all that apply.) *
Required
Which flow algorithms do you use?
I have no idea.
I'm familiar with it.
I've used it.
I've implemented it.
Horn & Schunck
Lukas Kanade
TV-L1
Farneback
Classic NL
LDOF
EpicFlow
FlowNet
FlowFields
FlowNet2
PWC-Net
Any other that is not listed?
Your answer
Do you check any existing optical flow benchmarks? *
Required
Have you ever trained a learning-based flow algorithm for your own problem or on your own data?
Please tell us your thoughts on the current status of optical flow:
How useful is optical flow for the following tasks (rows)?
A lot: It definitely benefits from OF.
Some: It could benefit from OF.
Not much: It could be solved without OF.
Action localization / recognition
Object tracking
Video object detection
Next-frame prediction
Video semantic segmentation
Other video related tasks
Which optical flow methods (columns) are used for the following tasks (rows)?
Lukas Kanade
Classic NL
LDOF
Epic Flow
FlowNet
Flow Fields
FlowNet2
Other OF methods
Action localization / recognition
Object tracking
Video object detection
Next-frame prediction
Video semantic segmentation
Other video related tasks
Which property of a flow algorithm do you consider more important?
Which metric is better for evaluating flow?
Which of the following strategies do you follow to choose the optical flow algorithm you use? (Select all that apply.)
If your algorithm depends on optical flow, which of the following problems occur more often?
Image warping...
Please tell us your thoughts on the future of optical flow:
Do you think that we need perfectly accurate optical flow?
Looking forward, which of the following should we consider for evaluating optical flow algorithms?
If you could make a guess, which of the following directions is more likely to eventually solve optical flow? (Select all that apply.)
Please describe how you would use a "perfect" optical flow algorithm:
Your answer
Is there anything else you would like to tell us?
Your answer
Thank you for taking our survey!
We will share the results on the website and at the workshop.
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