OutOfMemoryError

[woshizilong]

When I use RubberStamp to add a watermark to a 3120x4160 6.62MB image，I got the following crash log。
=========================== crash log start ==============================
--------- beginning of crash
01-29 17:54:17.570 23085-23085/org.highway E/AndroidRuntime: FATAL EXCEPTION: main
Process: org.highway, PID: 23085
java.lang.OutOfMemoryError: Failed to allocate a 51916812 byte allocation with 16777120 free bytes and 19MB until OOM
at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
at android.graphics.Bitmap.nativeCreate(Native Method)
at android.graphics.Bitmap.createBitmap(Bitmap.java:812)
at android.graphics.Bitmap.createBitmap(Bitmap.java:789)
at android.graphics.Bitmap.createBitmap(Bitmap.java:756)
at com.vinaygaba.rubberstamp.RubberStamp.addStamp(RubberStamp.java:55)
=========================== crash log end ==============================

Do I have to reduce the size of the picture?