HumanSignal/label-studio-ml-backend

Configs and boilerplates for Label Studio's Machine Learning backend

Stars: 1.1k
Forks: 490
Open beginner issues: 0
Indexed issues: 140
Avg merge: 1d 14h
Merged PRs (30d): 3

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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140 open issues indexed

CUDA with multiprocessing Open

HumanSignal/label-studio-ml-backend#79 · 19 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
NER ml backend example breaks during learning process Open

HumanSignal/label-studio-ml-backend#118 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Provided examples won't start Open

HumanSignal/label-studio-ml-backend#120 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
I couldn't pass the validation when add Model. Open

configuration

HumanSignal/label-studio-ml-backend#134 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
FileNotFoundError: Can't resolve url, neither hostname or project_dir passed Open

HumanSignal/label-studio-ml-backend#143 · 8 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
How to make ml-backend for segmentation model Open

HumanSignal/label-studio-ml-backend#146 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
How to solve validation error for image classification. Open

HumanSignal/label-studio-ml-backend#152 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
custom arguments in backend Open

HumanSignal/label-studio-ml-backend#154 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
problems running ml backend with data from localhost Open

HumanSignal/label-studio-ml-backend#155 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Impossible to edit Audio prediction in TextArea Open

HumanSignal/label-studio-ml-backend#157 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
impossible to edit semantic segmentation masks in version 1.6.0 Open

HumanSignal/label-studio-ml-backend#165 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Is it possible to clean the model when you are done auto annotating? Open

HumanSignal/label-studio-ml-backend#168 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
NER ml backend doesn't display predictions Open

HumanSignal/label-studio-ml-backend#176 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
NER ml backend doesn't display predictions ([label_studio_ml.model::get_result_from_last_job::131] 1668451470 job returns exception: ) Open

HumanSignal/label-studio-ml-backend#177 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Training is not triggered Open

HumanSignal/label-studio-ml-backend#185 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Example for pre-annotating videos with custom model and tracker Open

enhancement

HumanSignal/label-studio-ml-backend#191 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Why is a new instance of our class inheriting LabelStudioMLBase created on every predict ? Open

HumanSignal/label-studio-ml-backend#192 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
example->ner->ner.py always returns text='...' and start=0 Open

HumanSignal/label-studio-ml-backend#194 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
raise KeyError(key) from None KeyError: 'config_file' Open

HumanSignal/label-studio-ml-backend#220 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
How to create ML backend for Multi Label image Open

HumanSignal/label-studio-ml-backend#221 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Getting validation error caused by HTTPConectionPool Read Timed Out. Open

HumanSignal/label-studio-ml-backend#223 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Update only partial of the model, reusing the rest of the model during model training Open

HumanSignal/label-studio-ml-backend#225 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
bert ml backend example breaks during training process Open

HumanSignal/label-studio-ml-backend#228 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
How should i set model version? Open

HumanSignal/label-studio-ml-backend#230 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
I want to create a RLHF backend/frontend for labelling<=>training<=>correcting error loop. Open

question

HumanSignal/label-studio-ml-backend#233 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Multi-page annotation Open

question

HumanSignal/label-studio-ml-backend#240 · 7 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
i have set up ml-backend model for flair NER but model not predicting automatically. what is the solution to get the prediction. Open

HumanSignal/label-studio-ml-backend#243 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
Is there a return template for relational predictions? Open

HumanSignal/label-studio-ml-backend#244 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Can't add a supposedly healthy ml backend to LabelStudio using docker compose. Open

HumanSignal/label-studio-ml-backend#245 · 6 comments · 0 reactions · 1 assignee · Indexed Sep 17, 2026
JobManager does not pass kwargs to LabelStudioMLBase constructor. Open

HumanSignal/label-studio-ml-backend#248 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 17, 2026
api 接口异步调用 Open

HumanSignal/label-studio-ml-backend#259 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Cannot resolve a reference Open

HumanSignal/label-studio-ml-backend#265 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
[mmdetection3] "label not found in project config" Open

HumanSignal/label-studio-ml-backend#266 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Getting null response while using api to create prediction Open

HumanSignal/label-studio-ml-backend#267 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Webhook not deleted when ML backend deleted Open

HumanSignal/label-studio-ml-backend#268 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
"Use for interactive pre annotations" does not work properly Open

HumanSignal/label-studio-ml-backend#270 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 17, 2026
How do I load model after the training is complete ? Open

HumanSignal/label-studio-ml-backend#275 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
load pre-signed data from cloud storage Open

HumanSignal/label-studio-ml-backend#276 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
ModuleNotFoundError: No module named '_wsgi' Open

HumanSignal/label-studio-ml-backend#277 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
SAM Model Predict Bug Open

HumanSignal/label-studio-ml-backend#278 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
API key with SAM Open

HumanSignal/label-studio-ml-backend#285 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Empty context in kwargs (SAM) Open

community:reviewed community:triage

HumanSignal/label-studio-ml-backend#287 · 15 comments · 11 reactions · 2 assignees · Indexed Sep 17, 2026
Timeout Error with ML Backend on AWS ECS Open

HumanSignal/label-studio-ml-backend#288 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
The rectangles of predictions shown in web are wrong, but the predictions are correct for the input image Open

HumanSignal/label-studio-ml-backend#290 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
No connection adapters when trying to get inference for a cloud based image Open

HumanSignal/label-studio-ml-backend#291 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Annotations disappear when exporting SAM generated labels Open

HumanSignal/label-studio-ml-backend#292 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
When trying to use SAM the model in my label studio show this error in the logs about the predictions Open

HumanSignal/label-studio-ml-backend#294 · 12 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
ModuleNotFoundError: No module named 'resource' Open

HumanSignal/label-studio-ml-backend#298 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
AttributeError: 'FasterRCNN' object has no attribute 'CLASSES' Open

HumanSignal/label-studio-ml-backend#302 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
version from pip is 1.0.9 -- is 1.0.8rc3 here... Open

HumanSignal/label-studio-ml-backend#305 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

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