70 lines
2 KiB
Go
70 lines
2 KiB
Go
/*
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Package nsfw uses TensorFlow to detect images that may not be safe for work.
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Copyright (c) 2018 - 2020 Michael Mayer <hello@photoprism.org>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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PhotoPrism™ is a registered trademark of Michael Mayer. You may use it as required
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to describe our software, run your own server, for educational purposes, but not for
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offering commercial goods, products, or services without prior written permission.
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In other words, please ask.
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Feel free to send an e-mail to hello@photoprism.org 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.org/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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