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<?php |
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/** |
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* @copyright Copyright (c) 2017, 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 getLeft() |
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* @method int getRight() |
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* @method int getTop() |
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* @method int getBottom() |
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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 setLeft(int $left) |
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* @method void setRight(int $right) |
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* @method void setTop(int $top) |
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* @method void setBottom(int $bottom) |
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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 $left; |
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/** |
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* Right 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 $right; |
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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 $top; |
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/** |
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* Bottom 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 $bottom; |
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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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* 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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/** |
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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 $image, array $faceFromModel): Face { |
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$face = new Face(); |
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$face->setImage($image); |
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$face->setPerson(null); |
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$face->setLeft(max($faceFromModel["left"], 0)); |
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$face->setRight($faceFromModel["right"]); |
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$face->setTop(max($faceFromModel["top"], 0)); |
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$face->setBottom($faceFromModel["bottom"]); |
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$face->setConfidence($faceFromModel["detection_confidence"]); |
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$face->setLandmarks("[]"); |
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$face->setDescriptor("[]"); |
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$face->setCreationTime(new \DateTime()); |
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return $face; |
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} |
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/** |
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* Gets face width |
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* |
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* @return int Face width |
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*/ |
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public function width(): int { |
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return $this->right - $this->left; |
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} |
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/** |
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* Gets face height |
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* |
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* @return int Face height |
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*/ |
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public function height(): int { |
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return $this->bottom - $this->top; |
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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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'left' => $this->left, |
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'right' => $this->right, |
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'top' => $this->top, |
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'bottom' => $this->bottom, |
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'confidence' => $this->confidence, |
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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($landmarks) { |
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$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) { |
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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) { |
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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
