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<?php |
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declare(strict_types=1); |
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namespace AhmadMayahi\Vision\Detectors; |
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use AhmadMayahi\Vision\Contracts\Detectable; |
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use AhmadMayahi\Vision\Contracts\File; |
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use AhmadMayahi\Vision\Data\Face as FaceData; |
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use AhmadMayahi\Vision\Data\Vertex as VertexData; |
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use AhmadMayahi\Vision\Detectors\Face\DrawBoxAroundFaces; |
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use AhmadMayahi\Vision\Enums\Color; |
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use AhmadMayahi\Vision\Enums\Likelihood; |
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use AhmadMayahi\Vision\Support\AbstractDetector; |
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use AhmadMayahi\Vision\Support\Image; |
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use AhmadMayahi\Vision\Traits\Arrayable; |
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use AhmadMayahi\Vision\Traits\Jsonable; |
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use Generator; |
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use Google\Cloud\Vision\V1\FaceAnnotation; |
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use Google\Cloud\Vision\V1\ImageAnnotatorClient; |
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use Google\Cloud\Vision\V1\Vertex; |
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use Google\Protobuf\Internal\RepeatedField; |
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/** |
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* Face Detection detects multiple faces within an image along with the associated key facial attributes |
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* such as emotional state or wearing headwear. |
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* |
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* @see https://cloud.google.com/vision/docs/detecting-faces |
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*/ |
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class Face extends AbstractDetector implements Detectable |
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{ |
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use Arrayable; |
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use Jsonable; |
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public function __construct(protected ImageAnnotatorClient $imageAnnotatorClient, protected File $file, protected Image $image) |
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{ |
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} |
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public function getOriginalResponse(): RepeatedField |
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{ |
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$response = $this |
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->imageAnnotatorClient |
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->faceDetection($this->file->toVisionFile()); |
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return $response->getFaceAnnotations(); |
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} |
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/** |
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* @return Generator|null |
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*/ |
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public function detect(): ?Generator |
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{ |
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$faces = $this->getOriginalResponse(); |
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if (0 === $faces->count()) { |
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return null; |
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} |
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/** @var FaceAnnotation $face */ |
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foreach ($faces as $face) { |
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$vertices = $face->getBoundingPoly()->getVertices(); |
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$bounds = array_map(function (Vertex $vertex) { |
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return new VertexData($vertex->getX(), $vertex->getY()); |
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}, iterator_to_array($vertices)); |
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yield new FaceData( |
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anger: Likelihood::fromKey($face->getAngerLikelihood()), |
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joy: Likelihood::fromKey($face->getJoyLikelihood()), |
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surprise: Likelihood::fromKey($face->getSurpriseLikelihood()), |
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blurred: Likelihood::fromKey($face->getBlurredLikelihood()), |
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headwear: Likelihood::fromKey($face->getHeadwearLikelihood()), |
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underExposed: Likelihood::fromKey($face->getUnderExposedLikelihood()), |
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bounds: $bounds, |
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detectionConfidence: $face->getDetectionConfidence(), |
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landmarking: $face->getLandmarkingConfidence(), |
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); |
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} |
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} |
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public function drawBoxAroundFaces(int $borderColor = Color::GREEN): Image |
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{ |
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return (new DrawBoxAroundFaces($this, $this->image)) |
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->borderColor($borderColor) |
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->draw(); |
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} |
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} |
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ahmadmayahi /
php-google-vision
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