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<?php |
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namespace Meema\MediaRecognition\Traits; |
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use Meema\MediaRecognition\Facades\Recognize; |
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use Meema\MediaRecognition\Models\MediaRecognition; |
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trait Recognizable |
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{ |
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/** |
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* Get all of the media items' conversions. |
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* |
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* @return \Illuminate\Database\Eloquent\Relations\MorphOne |
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*/ |
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public function recognition(): \Illuminate\Database\Eloquent\Relations\MorphOne |
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{ |
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return $this->morphOne(MediaRecognition::class, 'model'); |
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} |
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/** |
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* Start a media "recognition". |
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* |
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* @param string $path |
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* @param string|null $mimeType |
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* @return \Meema\MediaRecognition\Contracts\MediaRecognition |
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*/ |
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public function recognize(string $path, string $mimeType = null) |
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{ |
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return Recognize::source($path, $mimeType, $this->id); |
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} |
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/** |
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* Return all recognition data. |
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* The return value "null" indicates that a recognition has been ran, but it just has no results. |
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* Please note, the Rekognition response is different from a "video" to an "image". |
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* |
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* @return array |
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*/ |
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public function recognitionData(): array |
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{ |
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$recognition = $this->recognition()->first(); |
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if (! $recognition) { |
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return [ |
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'labels' => null, |
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'faces' => null, |
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'moderation' => null, |
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'texts' => null, |
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]; |
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} |
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// null indicates that the "recognition" has not been ran for the category |
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$labels = $faces = $moderation = $texts = null; |
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if ($recognition->labels && is_array($recognition->labels['Labels'])) { |
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$labels = $recognition->labels['Labels']; |
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} |
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if ($recognition->faces && is_array($recognition->faces['FaceDetails'])) { |
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$faces = $recognition->faces['FaceDetails']; |
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} elseif ($recognition->faces && is_array($recognition->faces['Faces'])) { |
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$faces = $recognition->faces['Faces']; |
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} |
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if ($recognition->moderation && is_array($recognition->moderation['ModerationLabels'])) { |
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$moderation = $recognition->moderation['ModerationLabels']; |
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} |
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if ($recognition->ocr && is_array($recognition->ocr['TextDetections'])) { |
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$texts = $recognition->ocr['TextDetections']; |
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} |
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return [ |
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'labels' => $labels, |
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'faces' => $faces, |
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'moderation' => $moderation, |
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'texts' => $texts, |
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]; |
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} |
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public function minimalRecognitionData( |
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bool $includeLabels = true, |
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bool $includeFaces = true, |
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bool $includeModeration = true, |
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bool $includeTexts = true, |
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int $limit = 50 |
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): array { |
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$data = $this->recognitionData(); |
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if (! $data) { |
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return [ |
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'labels' => null, |
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'faces' => null, |
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'moderation' => null, |
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'texts' => null, |
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]; |
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} |
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$array = []; |
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if ($includeLabels) { |
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$array['labels'] = collect($data['labels'])->map(function ($label) { |
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return $this->generateLabelElement($label); |
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})->unique('name')->sortByDesc('confidence')->take($limit)->values()->toArray(); |
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} |
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if ($includeFaces) { |
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$array['faces'] = collect($data['faces'])->map(function ($face) { |
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return $this->generateFaceElement($face); |
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})->sortByDesc('confidence')->take($limit)->values()->toArray(); |
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} |
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if ($includeModeration) { |
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$array['moderation'] = collect($data['moderation'])->map(function ($moderation) { |
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return $this->generateModerationElement($moderation); |
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})->unique('name')->sortByDesc('confidence')->take($limit)->values()->toArray(); |
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} |
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if ($includeTexts) { |
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$array['texts'] = collect($data['texts'])->map(function ($text) { |
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return $this->generateTextElement($text); |
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})->unique('text')->sortByDesc('confidence')->take($limit)->values()->toArray(); |
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} |
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return $array; |
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} |
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public function generateLabelElement($label): array |
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{ |
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// image element |
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if ($label['Name']) { |
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return [ |
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'name' => $label['Name'], |
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'confidence' => $label['Confidence'], |
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'timestamp' => null, // timestamps are only available in videos |
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]; |
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} |
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// video element |
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return [ |
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'name' => $label['Label']['Name'], |
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'confidence' => $label['Label']['Confidence'], |
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'timestamp' => $label['Timestamp'], |
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]; |
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} |
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public function generateFaceElement($face): array |
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{ |
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// image element |
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if ($face['BoundingBox']) { |
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return [ |
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'bounding_box' => $face['BoundingBox'], |
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'confidence' => $face['Confidence'], |
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'timestamp' => null, // timestamps are only available in videos |
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]; |
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} |
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// video element |
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return [ |
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'bounding_box' => $face['Face']['BoundingBox'], |
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'confidence' => $face['Face']['Confidence'], |
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'timestamp' => $face['Timestamp'], |
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]; |
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} |
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public function generateModerationElement($moderation): array |
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{ |
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// image element |
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if ($moderation['Name']) { |
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return [ |
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'name' => $moderation['Name'], |
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'confidence' => $moderation['Confidence'], |
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'timestamp' => null, // timestamps are only available in videos |
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]; |
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} |
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// video element |
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return [ |
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'name' => $moderation['ModerationLabel']['Name'], |
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'confidence' => $moderation['ModerationLabel']['Confidence'], |
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'timestamp' => $moderation['Timestamp'], |
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]; |
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} |
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public function generateTextElement($text): array |
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{ |
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// image element |
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if ($text['DetectedText']) { |
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return [ |
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'text' => $text['DetectedText'], |
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'confidence' => $text['Confidence'], |
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'timestamp' => null, // timestamps are only available in videos |
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]; |
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} |
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// video element |
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return [ |
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'text' => $text['TextDetection']['DetectedText'], |
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'confidence' => $text['TextDetection']['Confidence'], |
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'timestamp' => $text['Timestamp'], |
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]; |
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} |
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} |
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meemalabs /
laravel-media-recognition
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