Package com.musicg.fingerprint

Class PairManager

java.lang.Object

com.musicg.fingerprint.PairManager

public class PairManager
extends java.lang.Object

Make pairs for the audio fingerprints, which a pair is used to group the same features together

Author:

jacquet

Constructor Summary

Constructors

Constructor	Description
PairManager()	Constructor
PairManager(boolean isReferencePairing)	Constructor, number of pairs of robust points depends on the parameter isReferencePairing no.

Method Summary

Modifier and Type	Method	Description
java.util.HashMap<java.lang.Integer,java.util.List<java.lang.Integer>>	getPair_PositionList_Table(byte[] fingerprint)	Get a pair-positionList table It's a hash map which the key is the hashed pair, and the value is list of positions That means the table stores the positions which have the same hashed pair
static int	pairBytesToHashcode(byte[] pairBytes)	Convert bytes to hased pair
static byte[]	pairHashcodeToBytes(int pairHashcode)	Convert hashed pair to bytes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PairManager

public PairManager()

Constructor

PairManager

public PairManager(boolean isReferencePairing)

Constructor, number of pairs of robust points depends on the parameter isReferencePairing no. of pairs of reference and sample can be different due to environmental influence of source

Parameters:

isReferencePairing -

Method Detail

getPair_PositionList_Table

public java.util.HashMap<java.lang.Integer,java.util.List<java.lang.Integer>> getPair_PositionList_Table(byte[] fingerprint)

Get a pair-positionList table It's a hash map which the key is the hashed pair, and the value is list of positions That means the table stores the positions which have the same hashed pair

Parameters:

fingerprint - fingerprint bytes

Returns:

pair-positionList HashMap

pairHashcodeToBytes

public static byte[] pairHashcodeToBytes(int pairHashcode)

Convert hashed pair to bytes

Parameters:

pairHashcode - hashed pair

Returns:

byte array

pairBytesToHashcode

public static int pairBytesToHashcode(byte[] pairBytes)

Convert bytes to hased pair

Parameters:

pairBytes -

Returns:

hashed pair