63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
/*
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Package nsfw provides detection of images that are "not safe for work" based on various categories.
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Copyright (c) 2018 - 2024 PhotoPrism UG. All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under Version 3 of the GNU Affero General Public License (the "AGPL"):
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<https://docs.photoprism.app/license/agpl>
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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The AGPL is supplemented by our Trademark and Brand Guidelines,
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which describe how our Brand Assets may be used:
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<https://www.photoprism.app/trademark>
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Feel free to send an email to hello@photoprism.app if you have questions,
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want to support our work, or just want to say hello.
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Additional information can be found in our Developer Guide:
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<https://docs.photoprism.app/developer-guide/>
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*/
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package nsfw
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import (
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"github.com/photoprism/photoprism/internal/event"
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)
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const (
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ThresholdSafe = 0.75
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ThresholdMedium = 0.85
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ThresholdHigh = 0.98
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)
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var log = event.Log
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type Labels struct {
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Drawing float32
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Hentai float32
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Neutral float32
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Porn float32
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Sexy float32
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}
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// IsSafe returns true if the image is probably safe for work.
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func (l *Labels) IsSafe() bool {
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return !l.NSFW(ThresholdSafe)
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}
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// NSFW returns true if the image is may not be safe for work.
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func (l *Labels) NSFW(threshold float32) bool {
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if l.Neutral > 0.25 {
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return false
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}
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if l.Porn > threshold || l.Sexy > threshold || l.Hentai > threshold {
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return true
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}
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return false
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}
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