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<?php |
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/** |
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* @copyright Copyright (c) 2017-2021 Matias De lellis <[email protected]> |
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* @copyright Copyright (c) 2018, Branko Kokanovic <[email protected]> |
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* |
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* @author Branko Kokanovic <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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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 |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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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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* |
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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 <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\FaceRecognition\Db; |
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use JsonSerializable; |
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use OCP\AppFramework\Db\Entity; |
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/** |
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* Face represents one found face from one image. |
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* |
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* @method int getImage() |
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* @method int getPerson() |
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* @method int getX() |
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* @method int getY() |
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* @method int getWidth() |
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* @method int getHeight() |
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* @method float getConfidence() |
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* @method void setImage(int $image) |
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* @method void setPerson(int $person) |
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* @method void setX(int $x) |
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* @method void setY(int $y) |
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* @method void setWidth(int $width) |
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* @method void setHeight(int $height) |
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* @method void setConfidence(float $confidence) |
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*/ |
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class Face extends Entity implements JsonSerializable { |
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/** |
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* Image from this face originated from. |
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* |
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* @var int |
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* */ |
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public $image; |
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/** |
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* Person (cluster) that this face belongs to |
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* |
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* @var int|null |
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* */ |
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public $person; |
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/** |
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* Left border of bounding rectangle for this face |
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* |
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* @var int |
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* */ |
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public $x; |
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/** |
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* Top border of bounding rectangle for this face |
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* |
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* @var int |
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* */ |
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public $y; |
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/** |
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* Width of this face from the left border |
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* |
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* @var int |
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* */ |
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public $width; |
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/** |
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* Height of this face from top border |
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* |
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* @var int |
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* */ |
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public $height; |
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/** |
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* Confidence of face detection obtained from the model |
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* |
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* @var float |
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* */ |
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public $confidence; |
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/** |
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* If it can be grouped according to the configurations |
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* |
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* @var bool |
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**/ |
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public $isGroupable; |
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/** |
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* landmarks for this face. |
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* |
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* @var array |
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* */ |
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public $landmarks; |
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/** |
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* 128D face descriptor for this face. |
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* |
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* @var array |
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* */ |
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public $descriptor; |
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/** |
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* Time when this face was found |
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* |
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* @var \DateTime |
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* */ |
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public $creationTime; |
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public function __construct() { |
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$this->addType('id', 'integer'); |
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$this->addType('image', 'integer'); |
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$this->addType('person', 'integer'); |
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$this->addType('isGroupable', 'bool'); |
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$this->addType('descriptor', 'json'); |
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$this->addType('creationTime', 'datetime'); |
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} |
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/** |
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* Factory method to create Face from face structure that is returned as output of the model. |
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* |
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* @param int $image Image Id |
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* @param array $faceFromModel Face obtained from DNN model |
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* @return Face Created face |
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*/ |
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public static function fromModel(int $imageId, array $faceFromModel): Face { |
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$face = new Face(); |
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$face->image = $imageId; |
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$face->person = null; |
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$face->x = $faceFromModel['left']; |
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$face->y = $faceFromModel['top']; |
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$face->width = $faceFromModel['right'] - $faceFromModel['left']; |
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$face->height = $faceFromModel['bottom'] - $faceFromModel['top']; |
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$face->confidence = $faceFromModel['detection_confidence']; |
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$face->landmarks = isset($faceFromModel['landmarks']) ? $faceFromModel['landmarks'] : []; |
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$face->descriptor = isset($faceFromModel['descriptor']) ? $faceFromModel['descriptor'] : []; |
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$face->setCreationTime(new \DateTime()); |
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return $face; |
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} |
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public function jsonSerialize() { |
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return [ |
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'id' => $this->id, |
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'image' => $this->image, |
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'person' => $this->person, |
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'x' => $this->x, |
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'y' => $this->y, |
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'width' => $this->width, |
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'height' => $this->height, |
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'confidence' => $this->confidence, |
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'is_groupable' => $this->isGroupable, |
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'landmarks' => $this->landmarks, |
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'descriptor' => $this->descriptor, |
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'creation_time' => $this->creationTime |
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]; |
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} |
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public function getLandmarks(): string { |
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return json_encode($this->landmarks); |
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} |
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public function setLandmarks($landmarks): void { |
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$this->landmarks = json_decode($landmarks); |
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$this->markFieldUpdated('landmarks'); |
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} |
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public function getDescriptor(): string { |
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return json_encode($this->descriptor); |
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} |
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public function setDescriptor($descriptor): void { |
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$this->descriptor = json_decode($descriptor); |
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$this->markFieldUpdated('descriptor'); |
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} |
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public function setCreationTime($creationTime): void { |
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if (is_a($creationTime, 'DateTime')) { |
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$this->creationTime = $creationTime; |
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} else { |
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$this->creationTime = new \DateTime($creationTime); |
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} |
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$this->markFieldUpdated('creationTime'); |
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} |
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} |
matiasdelellis /
facerecognition
