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Challenge

Supplied an image, you must determine if the subject of the image is a bird or a plane.

If the image is a bird, your program must output

bird

and if the image is a plane, your program must output

plane

Your program must produce no other output and the testing program will be case sensitive.

Further information

All images will be the objects in flight.

The images of planes and birds will be against blue backgrounds (in some there may be light cloud in patches).

All birds will be pictured gliding from underneath, with their wings spread open. They will not always be the same species.

All planes will be commercial jetliners, pictured from the side. Their liveries may differ and the models will not be the same.

You may not use any external libraries, functions or online resources which perform image recognition.

The images will not be revealed to the competitors.

Examples

The following examples will not be used in the 30 test images.

Birds

Planes

Winning

Given 60 images of birds and planes, the program which identifies the most of then correctly wins.

In case of a tie, first post wins.

Note:

Thank you to Beta Decay for writing this challenge! Beta allowed me to take it and post. Sandbox

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closed as unclear what you're asking by Stewie Griffin, Mego, Martin Ender May 3 '17 at 13:49

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    \$\begingroup\$ @hucancode This is not code golf. Also if you think that look of the Game Of life Clock \$\endgroup\$ – Christopher May 3 '17 at 10:22
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    \$\begingroup\$ Not really a good idea to post a challenge when you can't answer any questions about it. I like the challenge, but I think there is important information missing about what images we can expect. Specifically with regards to the birds. You say there can be different species, but you don't say anything about what species we might get. The differences between various types of birds are huge. I voted to close this for now, but I'm happy to retract that vote once you have clarified this. :) \$\endgroup\$ – Stewie Griffin May 3 '17 at 11:30
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    \$\begingroup\$ What should the output be for these? ;) \$\endgroup\$ – Steadybox May 3 '17 at 12:03
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    \$\begingroup\$ Since you took this from the sandbox without modification, do you even have the 30 test images? \$\endgroup\$ – Martin Ender May 3 '17 at 13:48
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    \$\begingroup\$ You should already have the 30 images before creating the challenge, and provide a way to prove that you already do (hash of a zip archive or something). Also, I don't think 30 is enough. As it is, luck will probably play a factor in picking a winner. \$\endgroup\$ – Dennis May 3 '17 at 15:20