Android bitmap Face Cropper

Lafosca

Last update: Nov 14, 2022

Related tags

Utility AndroidFaceCropper

Overview

AndroidFaceCropper

Android bitmap Face Cropper

Link to sample apk and jar

##Usage To crop faces automatically, you have to instantiate an object of FaceCropper class in that way:

FaceCropper mFaceCropper = new FaceCropper();
mFaceCropper.getCroppedImage(source);

getCroppedImage method supports int argument as a drawable resource, or directly a Bitmap.

##Configuration There are 4 important methods to configure its behavior:

setMaxFaces(int faces), to adjust the maximum number of faces to be recognized.

setFaceMinSize(int faceMinSize), in pixels.

setFaceMarginPx(int faceMarginPx), in pixels, and for each side.

setEyeDistanceFactorMargin(float eyeDistanceFactorMargin), as a multiplier of the distance between the detected face eyes.

setDebug(boolean debug), to enable painting red circles over detected faces.

getFullDebugImage(Bitmap bitmap), to obtain a non-cropped image as the original, but with the detected faces painted, and the cropped area painted in green.

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Comments

Unable to import via Gradle Wrapper

Unable to start the daemon process. This problem might be caused by incorrect configuration of the daemon. For example, an unrecognized jvm option is used. Please refer to the user guide chapter on the daemon at http://gradle.org/docs/1.12/userguide/gradle_daemon.html

Please read below process output to find out more:

11:55:29.791 [main] DEBUG o.g.l.daemon.bootstrap.DaemonMain - Assuming the daemon was started with following jvm opts: [-XX:MaxPermSize=256m, -XX:+HeapDumpOnOutOfMemoryError, -Xmx1024m, -Dfile.encoding=windows-1252]

A fatal error has been detected by the Java Runtime Environment:

EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000007fefd7c23cd, pid=5380, tid=9004

JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build 1.7.0_45-b18)

Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode windows-amd64 compressed oops)

Problematic frame:

C [WS2_32.dll+0x23cd]

Failed to write core dump. Minidumps are not enabled by default on client versions of Windows

An error report file with more information is saved as:

C:\Users\AZ.gradle\daemon\1.12\hs_err_pid5380.log

If you would like to submit a bug report, please visit:

http://bugreport.sun.com/bugreport/crash.jsp

The crash happened outside the Java Virtual Machine in native code.

See problematic frame for where to report the bug.

Consult IDE log for more details (Help | Show Log)

opened by AizazZaidee 1
Return a "complete" transformation key.

Using a transformation key with the current FaceCropper config, allows us to properlly use Picasso's cache.

To support this, I had to add a getSizeMode() method to FaceCropper. The enum was already public, so a getter makes sense.

Also asked for a RGB_565 bitmap in Picasso's RequestCreator, so we don't have to convert it later, causing extra GC.

opened by sergio91pt 1