114 lines
4.0 KiB
Markdown
114 lines
4.0 KiB
Markdown
---
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title: 'Quality control'
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linkTitle: 'Quality control'
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weight: 21
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description: 'Overview of quality control features'
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---
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CVAT has the following features for automated quality control of annotations:
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- [Validation set configuration for a task](#how-to-enable-quality-control)
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- Job validation on job finish ({{< ilink "/docs/enterprise/immediate-feedback" "Immediate feedback" >}})
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- [Review mode for problems found](#how-to-review-problems-found)
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- [Quality analytics](#how-to-check-task-quality-metrics)
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In this section, we highlight only the key steps in quality estimation.
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Consult the detailed guide on quality estimation in CVAT in the
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{{< ilink "/docs/manual/advanced/analytics-and-monitoring/auto-qa" "Advanced section" >}}.
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## How to enable quality control
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{{< tabpane text=true >}}
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{{%tab header="In a new task" %}}
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1. Go to task creation
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1. Select the source media, configure other task parameters
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1. Scroll down to the **Quality Control** section
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1. Select one of the
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{{< ilink "/docs/manual/advanced/analytics-and-monitoring/auto-qa#validation-modes" "validation modes" >}} available
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1. Create the task
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1. Upload or create Ground Truth annotations in the Ground Truth job in the task
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1. Switch the Ground Truth job into the `acceptance` stage and `completed` state
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{{% /tab %}}
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{{%tab header="In an existing task" %}}
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{{% alert title="Note" color="primary" %}}
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For already existing tasks only the Ground Truth validation mode is available. If you want
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to use Honeypots for your task, you will need to recreate the task.
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{{% /alert %}}
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1. Open the task page
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1. Select the `+` button next to the job list
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1. Select Job Type **Ground truth** and configure the job parameters
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1. Upload or create Ground Truth annotations in the Ground Truth job in the task
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1. Switch the Ground Truth job into the `acceptance`stage and `completed` state
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{{% /tab %}}
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{{< /tabpane >}}
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## How to enable immediate job feedback
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{{% alert title="Note" color="primary" %}}
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This feature requires a configured validation set in the task. Learn more
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in [How to enable quality control](#how-to-enable-quality-control) and in the
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{{< ilink "/docs/manual/advanced/analytics-and-monitoring/auto-qa#configuring-quality-estimation" "full guide" >}}.
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{{% /alert %}}
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1. Open the task **Actions** menu > **Quality control** > **Settings**
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1. Set **Max validations per job** to above zero. 3 is a good starting number
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1. Save the updated settings
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1. Assign an annotator to an annotation job
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1. Annotate the job
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1. Mark the job finished using the corresponding button in the menu
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1. Once the job is completed, you'll see the job validation dialog
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<img src="/images/immediate-feedback-accept.png" style="max-width: 500px;">
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Each assignee gets no more than the specified number of validation attempts.
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Learn more about this functionality in the
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{{< ilink "/docs/enterprise/immediate-feedback" "Immediate Feedback" >}} section.
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## How to check task quality metrics
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1. Open the task **Actions** menu > **Quality control**
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1. (Optional) Request quality metrics computation, and wait for completion
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1. Review summaries or detailed reports
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Learn more about this functionality
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{{< ilink "/docs/manual/advanced/analytics-and-monitoring/auto-qa#quality-analytics" "here" >}}.
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## How to review problems found
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1. Open the task **Actions** menu > **Quality control**
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1. Find an annotation job to be reviewed, it must have at least 1 validation frame
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1. Select the job link
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1. Switch to the **Review** mode
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1. Enable display of Ground Truth annotations and conflicts
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Learn more about this functionality
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{{< ilink "/docs/manual/advanced/analytics-and-monitoring/auto-qa#reviewing-gt-conflicts" "here" >}}.
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