Questions tagged [labelling]

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31 views

CRFSuite/Wapiti: How to create intermediary data for running a training?

After having asked for and been suggested two pieces of software last week (for training a model to categorize chunks of a string) I'm now struggling to make use of either one of them. It seems that ...
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1answer
30 views

Is an image with 5 labels equivalent to 5 images with 1 label?

I am collecting data to train an object detection model using and was wondering if 5 labels in the same image and 5 images with 1 label each provided the same quality of input training data. Example: ...
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1answer
19 views

Software/Library Suggestion: Is there a usable open-source sequence tagger around?

(Not sure if this is the right community for the question - please do downvote if stats. or whatever else is more appropriate...) I'm looking for a suggestion for ...
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0answers
10 views

Looking for 2D Point Cloud Labeling tool

Trying to understand my high-dimensional Dataset I am using t-SNE to "project" the data onto two dimensions. As is the nature of t-SNE, this will be an experimental, iterative process. I ...
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1answer
23 views

How should I construct a binary classifier for small set of positive data and million of unlabeled data?

Does anyone have suggestions for specific algorithm or implementation for labeled data of only one class and unlabeled data that can be from either classes? And I'm unsure what is the proportion of ...
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1answer
27 views

Label A records B times or label A*B records

This question concerns pre-training data sourcing. Suppose you have a human workforce of B individuals and a potentially unlimited source of data. The task is ...
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20 views

Manually labeled data quality check methods?

In this article, the author says that manual data labeling is a "not-as-bad-as-it-sounds" method, but to err is human and in this article by Shopify, I learned that high-quality annotation ...
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1answer
21 views

Solutions for Labelling Training Data for Binary Classification Problems

I have a huge dataset for which I am trying to use an 80-20 (Holdout method) approach to train and test my model. However, the dataset I have been given has 6m rows. The objective is to train+test+...
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1answer
625 views

Python package for machine-learning aided data labelling

In a lot of cases unlabelled data needs to be transformed to labelled data. The best solution is to use (multiple) human classifiers. However, going to all the data by hand (i.e. in text-mining or ...
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1answer
19 views

(Labeled, if possible) time-series datasets for anomaly detection [closed]

I would like to create a big list of available time-series datasets for anomaly detection. I'm especially interested in the following: The time-series data should be segmented into cycles Ideally, ...
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0answers
17 views

Sampling items from a population of subpopulations

I have a population of $n$ items to label and a budget to label only $m$ ($m << n$) of them before training. The population can be partitioned into subpopulations, recursively. In other words, ...
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0answers
72 views

Best practices to image annotation for object detection when objects overlap

If I have the following example: How should I annotate the bottom image? I can think of those scenarios: Create a large box that captures class B and a second box that captures entirely class A. ...
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2answers
239 views

How do I label images faster

I have around 1600 images extracted from videos shot at night time. I am labeling each image and trying to be as accurate as I can in assigning bounding boxes. I am labeling vehicles and traffic light/...
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1answer
237 views

Online Audio annotation tools

I need to find a decent online annotation tool to transcribe audio. There are some requirements for a potential tool: I should be able to deliver audio files to a few labelers. I should be able to ...
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105 views

How to pass more than 2 input columns to a Deep learning Keras model for sequence tagging/labeling

I have to build a neural network which extract relationship between two entities.Input should be: Input text/paragraph, vocabulary of entities and relationship phrases that system should recognize. ...