Stack Overflow
Stack Overflow

Questions tagged [face-detection]

Face detection is a computer technology that determines the locations and sizes of human faces in arbitrary (digital) images. It detects facial features and ignores anything else, such as buildings, trees and bodies.

Face detection is a computer technology that determines the locations and sizes of human faces in arbitrary (digital) images. It detects facial features and ignores anything else, such as buildings, trees and bodies.

NIST provides the Mugshot Identification Database (MID). The database contains approximately 3250 variable size images and can be used for developing, training and testing automated systems.

Face detection page on Wikipedia

1726 questions
0
votes
0 answers

Detect skin tone from image programatically

Does anyone have any advice about how to find the skin tone from image in iOS? It is a bit of an obscure question but I am hoping to get help from you. I have found several questions related to the topic: get face skin tone color from image Detect…
pkc456
  • 8,350
  • 38
  • 53
  • 109
0
votes
0 answers

Machine learning approach to facial recognition

First of all i'm very new to the field. maybe my question is a bit too naive of even trivial.. I'm currently trying to understand how can i go about recognizing different faces. Here is what i tried so far and the main issues with each approach: 1)…
Caio Petrelli
  • 37
  • 1
  • 7
0
votes
2 answers

Detect Eye Landmark using dlib

Using dlib, is it possible to detect eye landmarks without face detection? If yes, how? and if no, any suggestion or advice? Thank you! Sample
Paulo Estrella
  • 25
  • 11
0
votes
1 answer

How to check Face ID is disabled for my app in settings page

How I can check is the Face ID is Enabled/ Disabled in settings page? I checked in LAContext error type. It return Code=-6 "User has denied the use of biometry for this app." But the device do not support biometric authentication also getting same…
Sharat Kannan
  • 90
  • 2
  • 9
0
votes
0 answers

opencv detectMultiScale issue causing program to exit prematurely

I am trying to write a simple face detection code using openCV. The program runs and the webcam lights up as though it is about to open but after about 5 seconds program closes before the frame window even opens. At first I thought I wasn't…
Greg
  • 3
  • 2
0
votes
2 answers

Can Google Cloud Vision API label faces?

I am currently using google cloud-vision api for a project. I want to assign a unique ID to a face, so that it automatically detects which IDs any image contains. This way I can know which person is in the image. Can cloud-vision distinguish faces…
Lord Grim
  • 39
  • 5
0
votes
0 answers

OpenCV Haar Classifier: training stops prematurely

I have been trying to train image databases to detect faces using Haar cascades. I have made 2 attempts: 1) I have used the following database for positive images: …
Lakshmi Teja
  • 3
  • 2
0
votes
2 answers

CNN Object detection: How to reduce high false positive rates

I am currently using Faster RCNN with inception v2 on Tensorflow object detection API on WIDER-FACE data, i have a lot of false positives with high scores (>0.98, so setting a higher score threshold won't help). I have already assigned Hard Example…
yu liu
  • 143
  • 1
  • 1
  • 7
0
votes
1 answer

dlib, python: how to get square (not a rectangle) with the whole head (not only face)?

dlib.get_frontal_face_detector() returns rectangles with detected faces on photo. And I need to get a square that covers not only face but the whole head. Is there an easy way to do this?
me2 beats
  • 774
  • 1
  • 8
  • 24
0
votes
1 answer

Determine the distance between a camera and person/face in python-OpenCV

There are many tutorials on how to calculate the distance between a camera and an object. Is it possible to calculate the approximate distance between a person detected and the camera using OpenCV?.
anu010291
  • 85
  • 1
  • 7
0
votes
2 answers

Android Face Detection dont finding faces

I want to find a face on an image from camera. But detector can't find faces. My app does photo and save it in file. Below code which create file, start camera, and in onActivityResult in trying detect face and save file path to the room, its…
newakkoff
  • 270
  • 2
  • 13
0
votes
1 answer

Dlib face detection doesn't work with grayscale images

Do you know why dlib face detection doesn't work with grayscale images (python works pretty well with grayscale images)? My code: mFaceDetector = dlib::get_frontal_face_detector(); // image is opencv grayscale mat dlib::array2d…
Данил Вагапов
  • 169
  • 1
  • 11
0
votes
1 answer

Detecting a face by using play-services-vision and extract that information

I am working on a Android project in which I have to detect faces and then show the age probability of all detected images. I am using the play-services-vision API for this purpose, and I have successfully detected the faces. By using a Face…
Khurram Ansar
  • 97
  • 1
  • 10
0
votes
0 answers

Not getting proper Cropped Image?

I am working with ARKit to scan the faces and get a ARSession's current frame by calling func scanForFaces() at an interval of 1 sec and then crop this image only to face by cropping the image but i am getting an image cropped from top of image not…
user10053625
0
votes
0 answers

Raspberry Pi Visitor Management System with Face Recognition and Data Storage

I have been given a project to develop a system that recognizes faces of visitors. So, the only thing that crossed my mind was Raspberry Pi. Basically, I want it to Recognize face, store the face and request the visitor to enter their detail such…
Rakesh
  • 1
  • 2
1 2 3
…
99 100