Primary competition visual

CGIAR Root Volume Estimation Challenge

Helping Africa
$15 000 USD
Completed (~1 year ago)
Computer Vision
Prediction
1063 joined
257 active
Starti
Jan 24, 25
Closei
Mar 09, 25
Reveali
Mar 10, 25
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Shapu
Code review
Help · 14 Mar 2025, 10:40 · 27

Hello, has anyone outside the top 10 received an email for code review? Is this a bug?

Discussion 27 answers

no, what your rank?

14 Mar 2025, 10:41
Upvotes 0
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Shapu

28

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offei_lad
University of mines and technology

Must mean there's gonna be a shake up after the shake up😂

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nymfree

:-P

same here i also recevied the mail and i am not in top10 (22)

14 Mar 2025, 11:24
Upvotes 1

what are your mae cv score?

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KhutsoMphelo
Stellenbosch University

Yes I received the email as well.

14 Mar 2025, 11:36
Upvotes 0
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wizzard

The way the code review is handled really hurts 🤦. We chose the submission that is supposed to generalize well. Since people out of the top 10 are contacted. It means our solution are disqualified. If there is fairness, Zindi should consider the best models including images. Znd they should have said it earlier. RMSE was a bad choice. With MAE, I think strong image models will have been rewarded. It's like the rules of the game changed after the game.

14 Mar 2025, 11:39
Upvotes 2
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nymfree

It would be terrible If they didn't consider actual private board results at the end. It's a competition based on a metric, however bad the metric might be, and the winner should be selected solely on the metric - regardless of what model was used.

I hope that zindi is not extending the number of invitations in the hope of having a "computer vision" solution.

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MICADEE
LAHASCOM

On this, I think I support @wizzard that @zindi should also ask for image-based approach from top 10. Even though i used image-based approach in my solution that i sent to zindi. And again, @wizzard Note that: Not all top 10 solutions are purely tabular-based approach. So i disgaree, it's not possible for zindi to disqualify all top 10. Mine approach is based on 'Image processing (e.g Segmentation, using thresholding etc.) + Catboost modelling" approach. However, i have another approach that's strictly Computer Vision based all through using "Vit_base_patch16_384" with another reasonable score on LB as well.

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offei_lad
University of mines and technology

By the looks of it that is exactly what is happening

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offei_lad
University of mines and technology

My second pick was also a computer vision model which comfortably scores top 10 but that's not what was submitted. I think I understand why Zindi cannot ask those of us who submitted tabular data for our computer vision model as some might gmcreate new models and tweak it to the private leaderboard before submission

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nymfree

Yeah. every other participant might have a computer vision model they did not select. That's a whole other can of worms.

especially me. I have the best private lb 1.18 sub over all teams, which is an image model, but i didn't select. I know it is the best because when the competition just closed the lb is ranked by best private lb, selected or not, and that sub ranked me top 1. I was quite confused then :P

With that said, I fully share your frustration @wizzard @offei_lad

And i think you totally deserve the prize. The game is a game and it is done. You win fair and square.

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CodeJoe

Yeah I saw that. I guess there's going to be a round 2 :)

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Koleshjr
Multimedia university of kenya

I would love to learn from this image solution.

A video maybe?

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CodeJoe

Yes, @snow it will be great if you could do a video on the image solution. 🔥 After the review.

@Koleshjr @CodeJoe Thank you for the support! I probably will make one sometime but please be patient. There are quite a few interesting on-going competitions right now :)

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Koleshjr
Multimedia university of kenya

no stress take your time

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CodeJoe

We will wait. Feel free.

I got one too. i'm 11.

14 Mar 2025, 12:09
Upvotes 0
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CodeJoe

Same here. Also got one

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AJoel
Zindi

Hi @Shapu, this is not a bug. I sent an email to everyone at position 11-30 on the leaderboard.

14 Mar 2025, 14:49
Upvotes 4
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CodeJoe

@Ajoel Please, was this done because the top 10 didn't qualify? Or it is to see whether there are innovative solutions in the top 30 and the top 10 still qualify?

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AJoel
Zindi

Hi @CodeJoe,

We are still in the code review process. The fact that a new submission email went out does not imply that the top 10 didn't qualify. The idea is simply to review a few more solutions. First of all to get a better idea of the approaches taken and also to review for usability.

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CodeJoe

Great. Thank you for the clarification.