# On Cloud N **URL:** https://community.drivendata.org/c/cloud-cover/50.md [Latest](https://community.drivendata.org/latest.md) · [Categories](https://community.drivendata.org/categories.md) --- ## [About the On Cloud N category](https://community.drivendata.org/t/about-the-on-cloud-n-category/6758)
**Author:** [@glipstein](https://community.drivendata.org/u/glipstein)\ **Replies:** 5\ **Last updated:** [December 20, 2021, 7:01pm UTC](https://community.drivendata.org/t/about-the-on-cloud-n-category/6758 "2021-12-20T19:01:53Z")
This category is for posts about the On Cloud N: Cloud Cover Detection Challenge. Please keep all posts here specific to the competition. --- ## [The problem of submission waiting time](https://community.drivendata.org/t/the-problem-of-submission-waiting-time/7247)
**Author:** [@Shahd](https://community.drivendata.org/u/Shahd)\ **Replies:** 5\ **Last updated:** [March 25, 2022, 10:43pm UTC](https://community.drivendata.org/t/the-problem-of-submission-waiting-time/7247 "2022-03-25T22:43:14Z")
Hi, I just noticed in the last few days that we’re having back the problem of long queue waiting time, as the deadline getting closer. Could you please increase the number of nodes so that we can make the best of it in … --- ## [Can you provide the test dataset of the contest](https://community.drivendata.org/t/can-you-provide-the-test-dataset-of-the-contest/7349)
**Author:** [@lovely](https://community.drivendata.org/u/lovely)\ **Replies:** 0\ **Last updated:** [February 18, 2022, 8:37pm UTC](https://community.drivendata.org/t/can-you-provide-the-test-dataset-of-the-contest/7349 "2022-02-18T20:37:07Z")
Dear contest organizer, I wonder if you can provide us with the test dataset of the contest after the contest, we would like to use it for further analysis experiments and summarize and summarize our questions, thanks! --- ## [Can we publish our solutions as academic papers?](https://community.drivendata.org/t/can-we-publish-our-solutions-as-academic-papers/7321)
**Author:** [@bg12](https://community.drivendata.org/u/bg12)\ **Replies:** 0\ **Last updated:** [February 14, 2022, 5:04pm UTC](https://community.drivendata.org/t/can-we-publish-our-solutions-as-academic-papers/7321 "2022-02-14T17:04:03Z")
Hello, Can I use this competition’s data along with my team’s developed solutions and submissions’ scores to publish academic paper? Thanks! --- ## [Are all the pending submission are executed?](https://community.drivendata.org/t/are-all-the-pending-submission-are-executed/7289)
**Author:** [@adityakumarsinha](https://community.drivendata.org/u/adityakumarsinha)\ **Replies:** 1\ **Last updated:** [February 10, 2022, 5:58pm UTC](https://community.drivendata.org/t/are-all-the-pending-submission-are-executed/7289 "2022-02-10T17:58:54Z")
In the announcement it was mentioned that submission entered before competition deadline will be included in the final leaderboard. I think by now all pending submissions are executed. When do we expect final statement … --- ## [Evaluation data publication time](https://community.drivendata.org/t/evaluation-data-publication-time/7296)
**Author:** [@martin.javorka](https://community.drivendata.org/u/martin.javorka)\ **Replies:** 0\ **Last updated:** [February 10, 2022, 3:13pm UTC](https://community.drivendata.org/t/evaluation-data-publication-time/7296 "2022-02-10T15:13:51Z")
Hi all, May I ask what is the expected time of the publication of the evaluation (test) data for the challenge? Thanks. --- ## [The process of qualitative evaluation](https://community.drivendata.org/t/the-process-of-qualitative-evaluation/7283)
**Author:** [@Shahd](https://community.drivendata.org/u/Shahd)\ **Replies:** 1\ **Last updated:** [February 8, 2022, 8:13pm UTC](https://community.drivendata.org/t/the-process-of-qualitative-evaluation/7283 "2022-02-08T20:13:10Z")
Hi, I want to ask about the qualitative evaluation of the winners for this competition. Are winners already determined by the scores on the private leaderboard or there will be a post-process of evaluating the results b… --- ## [Submissions after competition close? (non competitive)](https://community.drivendata.org/t/submissions-after-competition-close-non-competitive/7277)
**Author:** [@georgestein](https://community.drivendata.org/u/georgestein)\ **Replies:** 3\ **Last updated:** [February 8, 2022, 6:36pm UTC](https://community.drivendata.org/t/submissions-after-competition-close-non-competitive/7277 "2022-02-08T18:36:21Z")
Hi all, Will we be able to make/run submissions after the competition ends (not considered for awards of course)? Given the excessive queue time in the last week of the competition it was impossible to try out more tha… --- ## [Competition end date details](https://community.drivendata.org/t/competition-end-date-details/7268)
**Author:** [@benab.nasser](https://community.drivendata.org/u/benab.nasser)\ **Replies:** 2\ **Last updated:** [February 6, 2022, 11:36pm UTC](https://community.drivendata.org/t/competition-end-date-details/7268 "2022-02-06T23:36:34Z")
Hi, I am not very familiar with competing on DrivenData and I was wondering if can we make a submission up to the end date (Feb. 7, 2022, 11:59 p.m. UTC) or it should have been run before that date. Given the large que… --- ## [Submission(s) for private LB](https://community.drivendata.org/t/submission-s-for-private-lb/7208)
**Author:** [@MPWARE](https://community.drivendata.org/u/MPWARE)\ **Replies:** 4\ **Last updated:** [February 3, 2022, 10:54pm UTC](https://community.drivendata.org/t/submission-s-for-private-lb/7208 "2022-02-03T22:54:23Z")
Hi, As it’s my first time here, I’m wondering if we need to select final submission(s) for private LB or if all submissions are scored in both public and private LB? According to the official rules, I also understand t… --- ## [How long does it take to train the U-net baseline from the benchmark on 1 GPU?](https://community.drivendata.org/t/how-long-does-it-take-to-train-the-u-net-baseline-from-the-benchmark-on-1-gpu/6800)
**Author:** [@benab.nasser](https://community.drivendata.org/u/benab.nasser)\ **Replies:** 7\ **Last updated:** [February 1, 2022, 6:51am UTC](https://community.drivendata.org/t/how-long-does-it-take-to-train-the-u-net-baseline-from-the-benchmark-on-1-gpu/6800 "2022-02-01T06:51:56Z")
Hi all, I am wondering how long it does take to train the U-net baseline on a single GPU (e.g. time per epoch). Thank you, Best, Nasser --- ## [Failed Submission](https://community.drivendata.org/t/failed-submission/7207)
**Author:** [@Prachi](https://community.drivendata.org/u/Prachi)\ **Replies:** 2\ **Last updated:** [January 30, 2022, 4:26pm UTC](https://community.drivendata.org/t/failed-submission/7207 "2022-01-30T16:26:50Z")
I am getting warning as below and the submission failed, can anyone suggest what is wrong here ? There is no other information available in logs. 2022-01-28 23:05:36.352 | DEBUG | main:make\_predictions:76 - Predict… --- ## [The problem of long queue waiting time](https://community.drivendata.org/t/the-problem-of-long-queue-waiting-time/7191)
**Author:** [@king](https://community.drivendata.org/u/king)\ **Replies:** 1\ **Last updated:** [January 27, 2022, 4:16pm UTC](https://community.drivendata.org/t/the-problem-of-long-queue-waiting-time/7191 "2022-01-27T16:16:53Z")
Dear contest organizer, as the contest is nearing its end, all teams have increased the frequency of code submission, resulting in very long waiting time in the queue now, often needing to wait for more than thirty teams… --- ## [Received Incorrect Submission Logs](https://community.drivendata.org/t/received-incorrect-submission-logs/7178)
**Author:** [@deangoldman](https://community.drivendata.org/u/deangoldman)\ **Replies:** 4\ **Last updated:** [January 27, 2022, 2:03am UTC](https://community.drivendata.org/t/received-incorrect-submission-logs/7178 "2022-01-27T02:03:32Z")
Hello, I made a submission and received a Failed submission status, but on viewing the logs I noticed the scripts and log output are not mine. Has anyone seen this behavior? Is there any way to retrieve the output of my… --- ## [Submissions' execution time](https://community.drivendata.org/t/submissions-execution-time/7158)
**Author:** [@dmitry\_v](https://community.drivendata.org/u/dmitry_v)\ **Replies:** 8\ **Last updated:** [January 26, 2022, 9:02pm UTC](https://community.drivendata.org/t/submissions-execution-time/7158 "2022-01-26T21:02:50Z")
I sent my submission yesterday at 22:30, it’s 19:05 local time at the moment and there are still 5 submissions ahead of mine in the queue. So It will definitely take more that a full day to execute the submission. And I … --- ## [External factors killing the evaluation machine?](https://community.drivendata.org/t/external-factors-killing-the-evaluation-machine/7173)
**Author:** [@stefan.istrate](https://community.drivendata.org/u/stefan.istrate)\ **Replies:** 1\ **Last updated:** [January 26, 2022, 6:08pm UTC](https://community.drivendata.org/t/external-factors-killing-the-evaluation-machine/7173 "2022-01-26T18:08:29Z")
To the organizers: can the jobs be killed by external processes before the 4 hours deadline (e.g. the cloud provider taking back the evaluation machine)? I had a submission today, almost identical (same model, just trai… --- ## [Evaluation Metric clarification for empty masks case](https://community.drivendata.org/t/evaluation-metric-clarification-for-empty-masks-case/7168)
**Author:** [@Sentinel-1](https://community.drivendata.org/u/Sentinel-1)\ **Replies:** 2\ **Last updated:** [January 26, 2022, 9:14am UTC](https://community.drivendata.org/t/evaluation-metric-clarification-for-empty-masks-case/7168 "2022-01-26T09:14:27Z")
Quite a few images do not have clouds at all and as a consequence their corresponding ground truth mask are also empty. As the evaluation metric for the competition is intersection divided by union it means if empty mask… --- ## [Data download issues](https://community.drivendata.org/t/data-download-issues/6785)
**Author:** [@ZFTurbo](https://community.drivendata.org/u/ZFTurbo)\ **Replies:** 14\ **Last updated:** [January 24, 2022, 6:00pm UTC](https://community.drivendata.org/t/data-download-issues/6785 "2022-01-24T18:00:44Z")
How to get SAS files? Provided links in data\_download\_instructions don’t work. \ \AuthenticationFailed\ \ Server failed to authenticate the request. Make sure the value of Authorization header i… --- ## [Scene classification map classes](https://community.drivendata.org/t/scene-classification-map-classes/7130)
**Author:** [@benab.nasser](https://community.drivendata.org/u/benab.nasser)\ **Replies:** 1\ **Last updated:** [January 24, 2022, 5:21pm UTC](https://community.drivendata.org/t/scene-classification-map-classes/7130 "2022-01-24T17:21:19Z")
Hi all, I am trying to use the Scene classification map data (using the “additional-bands-tutorial” notebook) but it turns out that it seems to have 13 classes instead of 12 as indicated here. For example, the “adwu” ch… --- ## [Error : "no kernel image" while running Baseline on GPU](https://community.drivendata.org/t/error-no-kernel-image-while-running-baseline-on-gpu/7140)
**Author:** [@Prachi](https://community.drivendata.org/u/Prachi)\ **Replies:** 0\ **Last updated:** [January 23, 2022, 9:11am UTC](https://community.drivendata.org/t/error-no-kernel-image-while-running-baseline-on-gpu/7140 "2022-01-23T09:11:08Z")
I am getting below error while running baseline on GPU , have already tried a few quick fixes, they don’t seem to work, can anyone suggest what this could be about? RuntimeError: CUDA error: no kernel image is available… --- ## [Bad masks (ahfi, cutk, iboy ...)](https://community.drivendata.org/t/bad-masks-ahfi-cutk-iboy/6851)
**Author:** [@MPWARE](https://community.drivendata.org/u/MPWARE)\ **Replies:** 9\ **Last updated:** [January 21, 2022, 12:49pm UTC](https://community.drivendata.org/t/bad-masks-ahfi-cutk-iboy/6851 "2022-01-21T12:49:37Z")
Hi, I’m just joining the competition, after a quick sanity check of data, It looks like I’ve found out some bad masks. For example, look at chip\_id = iboy, mask is zero (no cloud) but the true color image has clouds. Sa… --- ## [Submission fails](https://community.drivendata.org/t/submission-fails/7072)
**Author:** [@masawdah](https://community.drivendata.org/u/masawdah)\ **Replies:** 10\ **Last updated:** [January 16, 2022, 2:00pm UTC](https://community.drivendata.org/t/submission-fails/7072 "2022-01-16T14:00:08Z")
I got the following error ‘ERROR: Could not find main.py in submission.zip’ but the main.py is already there and unpacked: echo ‘Unpacking submission…’ Unpacking submission… unzip ./submission/submission.zip -d ./ Ar… --- ## [Planetary Computer Request failed for additional bands](https://community.drivendata.org/t/planetary-computer-request-failed-for-additional-bands/7082)
**Author:** [@haijunli](https://community.drivendata.org/u/haijunli)\ **Replies:** 0\ **Last updated:** [January 16, 2022, 12:16am UTC](https://community.drivendata.org/t/planetary-computer-request-failed-for-additional-bands/7082 "2022-01-16T00:16:25Z")
Hello everyone, I tried to pull additional bands following the tutorial. It worked for most of the test chips. However, there were some request failure for some chips. Did you encounter the same issue before? Was that … --- ## [SSLEOFError when loading resnet34 model](https://community.drivendata.org/t/ssleoferror-when-loading-resnet34-model/7063)
**Author:** [@haijunli](https://community.drivendata.org/u/haijunli)\ **Replies:** 2\ **Last updated:** [January 16, 2022, 12:09am UTC](https://community.drivendata.org/t/ssleoferror-when-loading-resnet34-model/7063 "2022-01-16T00:09:23Z")
Hi, I have an issue when loading my model. The error information is as follow: ++ find data/test\_features -type f -iname '\*.tif' ++ head -1 + '\[' -z data/test\_features/aaaa/B02.tif '\]' + '\[' -f main.py '\]' + echo 'Runni… --- ## [Adding bands -take 2](https://community.drivendata.org/t/adding-bands-take-2/7078)
**Author:** [@ajijohn](https://community.drivendata.org/u/ajijohn)\ **Replies:** 0\ **Last updated:** [January 15, 2022, 12:24am UTC](https://community.drivendata.org/t/adding-bands-take-2/7078 "2022-01-15T00:24:26Z")
So, folks I need help here. I want to verify if I’m doing this thing right. We have four bands that we are given , I want to do band-difference and get NDVI and use that as an additional band for training. So, here is w… --- ## [Submission with additional bands: What are the corresponding paths?](https://community.drivendata.org/t/submission-with-additional-bands-what-are-the-corresponding-paths/6961)
**Author:** [@ials](https://community.drivendata.org/u/ials)\ **Replies:** 9\ **Last updated:** [January 13, 2022, 3:40pm UTC](https://community.drivendata.org/t/submission-with-additional-bands-what-are-the-corresponding-paths/6961 "2022-01-13T15:40:53Z")
@kwetstone: When preparing a main.py file for a submission which uses the two B01 and B11 additional bands, is it right to assume that the corresponding chips are located under /codeexecution/data/B01\_images and /… --- ## [Submission fails, but no explicit reason is provided](https://community.drivendata.org/t/submission-fails-but-no-explicit-reason-is-provided/7031)
**Author:** [@mziaja](https://community.drivendata.org/u/mziaja)\ **Replies:** 11\ **Last updated:** [January 13, 2022, 9:08am UTC](https://community.drivendata.org/t/submission-fails-but-no-explicit-reason-is-provided/7031 "2022-01-13T09:08:03Z")
Our submission works fine when tried on our local hardware using the provided runtime, but fails without explicit reason on the DD site with: Your submission did not output the expected file so it could not be scored. … --- ## [Feel stuck? Ideas that might help you to procced](https://community.drivendata.org/t/feel-stuck-ideas-that-might-help-you-to-procced/7061)
**Author:** [@Max\_Schaefer](https://community.drivendata.org/u/Max_Schaefer)\ **Replies:** 0\ **Last updated:** [January 12, 2022, 1:00pm UTC](https://community.drivendata.org/t/feel-stuck-ideas-that-might-help-you-to-procced/7061 "2022-01-12T13:00:53Z")
First of all before trying out different models and go for hypermeter tuning you should spend 1 or 2 weeks only on EDA. An okayish model is good enough for the beginning. work on data cleaning there are at least 5% … --- ## [Planetary Computer - benchmark model training fails](https://community.drivendata.org/t/planetary-computer-benchmark-model-training-fails/7050)
**Author:** [@spiruel](https://community.drivendata.org/u/spiruel)\ **Replies:** 2\ **Last updated:** [January 11, 2022, 6:05pm UTC](https://community.drivendata.org/t/planetary-computer-benchmark-model-training-fails/7050 "2022-01-11T18:05:07Z")
Hi there, I’m using the Microsoft Planetary computer and testing out the benchmark model. I am using the pangeo environment supplied by the environment.yml file. Unfortunately I get the following error when running the… --- ## [Accessing GeoTiff images with Tensorflwo](https://community.drivendata.org/t/accessing-geotiff-images-with-tensorflwo/7025)
**Author:** [@Kushal\_Gandhi](https://community.drivendata.org/u/Kushal_Gandhi)\ **Replies:** 0\ **Last updated:** [January 8, 2022, 7:29am UTC](https://community.drivendata.org/t/accessing-geotiff-images-with-tensorflwo/7025 "2022-01-08T07:29:42Z")
Hello…!! Can any one pls help me to access Geotiff images with tensorflow data pipe line? [Next page](https://community.drivendata.org/c/cloud-cover/50.md?page=1)