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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

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Open CV face detection using viola opencv_core2410d.dll is missing

i am using Open CV for face detection using viola and i followed all the instructions here http://docs.opencv.org/2.4/doc/tutorials/introduction/windows_visual_studio_Opencv/windows_visual_studio_Opencv.html#windows-visual-studio-how-to but it…
user3102020
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Slow speed in stream webcam to do "detectMultiScale"

I'm new using OpenCV. I'm doing a sample face detector application console. I'm using haarcascade to detect the face from the webcam. I did next code: int main(int, char**) { CascadeClassifier…
Jaime Menendez Llana
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Android camerav2 face detection and saving image

I have been trying to achieve this for a couple of days now, with more or less no luck. Requirements: Tablet with Android 5.1 Use Android Face Detection (Camera V2) to constantly search for faces Once a face is found, save the current frame to the…
user3907491
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Extract Detected Face Region from GMS Vision Face Detection Pipeline

What is the recommended way to extract the actual pixels represented by the Face objects detected through the Android gms.vision.face.* packages? I am working with the FaceTracker sample code from here for retrieving video frames from the device…
James Hodson
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Is there a method missing in Xamarin's "Google Play Service - Vision" library for face detection?

I am using Xamarin's "Google Play Services - Vision" library for face detection. How can I adjust the smallest desired face size? In java there seems to be the method setMinFaceSize(float proportionalMinFaceSize) in the FaceDetector.Builder class,…
wher
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Face Detection - Filter overlapping windows

I am writing face detection algorithm, and now I have much windows detected that overlapping. I consider that windows are overlapping if center(windowA) in windowB or center(windowB) in windowA. My algorithm was: resultList <- empty list for each…
zardav
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How to extract value from a *CvScalar Output Array?

Consider me a newbie at programming. I tried to search for an answer to this question before posting but no luck. I am using CvAvgSdv function to calculate the Std Deviation and the Mean of the ROI of an image. For reference that is: …
Sheraz
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How to initialize more than one Haar Cascade?

I am somewhat of a coding newbie but I have managed to create code that can scan a face image and detect the eyes using an eye haar cascade. However I wish to also detect the face and mouth as well too using Haar Cascades but I always get an error…
Sheraz
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Objects recognition in images

Suppose I have an grayscale image this:- {first image} and i want to check whether this image exists in this one below:-{second} without any third party library first image second I thought of using Getpixel() to get all the black pixels and…
IntellectualChestnut
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Viola-Jones face detection: high contrast among pixels

We are using Viola-Jones for face detection. The algorithm works pretty well, with virtually no false positives. However, we have false negatives. We detected one very clear pattern for false negatives, which is a very high contrast between the grey…
Alejandro Simkievich
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C# System.Drawing.Rectangle into Ellipse on System.Drawing.Bitmap

I have a facial recognition library working that gives me an array of rectangle. Right now I'm using this way to draw the rectangle. foreach (Rectangle box in boxes) { for (int x = box.X; x <= box.X + box.Width; x++) { for (int y…
Mc Kevin
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How do i switch between two webcams (connected to computer) when a condition is met?

Currently, I am working on a face detection algorithm for patients in bed. One camera will be set up next to the bed, and the other on the ceiling. My idea is to switch between cameras when the patient's face is not found, allowing me to have an…
John
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Face detection Android Version In-compatibility Issue

I have following class code in an APK, doing face detection and drawing a custom view on camera preview. The face detection works fine on My "Samsung-S3" but i tested it on couple of other android cell phones where face detection never starts. Why…
BASEER ULHASSAN
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Play Services Face API - Native library not being downloaded

I was trying to implement the demo of facial landmark detection with Google Play Services, with the Face API. As the demo says, if the device doesn't have the native library that requires the FaceDetector to work, then…
fergaral
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snapshotting a camera2 preview screen

I want to snapshot a preview screen using the camera2 API. I guess there are two spots where I can do this in my code at the surfacetexturelistner where it updates the textureview (this is where the preview renders to) or at the…
Jonathan Vukadinovic
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