rawfiletest.java

java 版的 ARToolkit

/* 
 * PROJECT: NyARToolkit
 * --------------------------------------------------------------------------------
 * This work is based on the original ARToolKit developed by
 *   Hirokazu Kato
 *   Mark Billinghurst
 *   HITLab, University of Washington, Seattle
 * http://www.hitl.washington.edu/artoolkit/
 *
 * The NyARToolkit is Java version ARToolkit class library.
 * Copyright (C)2008 R.Iizuka
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this framework; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * For further information please contact.
 *	http://nyatla.jp/nyatoolkit/
 *	<airmail(at)ebony.plala.or.jp>
 * 
 */
package jp.nyatla.nyartoolkit.sample;

import java.io.*;
import java.util.*;

import jp.nyatla.nyartoolkit.core.*;
import jp.nyatla.nyartoolkit.core.param.NyARParam;
import jp.nyatla.nyartoolkit.core.raster.rgb.*;
import jp.nyatla.nyartoolkit.core.transmat.*;
import jp.nyatla.nyartoolkit.detector.NyARSingleDetectMarker;


/**
 * 320x240のBGRA32で記録されたRAWイメージから、１種類のパターンを認識し、
 * その変換行列を1000回求め、それにかかったミリ秒時間を表示します。
 * 
 */
public class RawFileTest
{
	private final String code_file = "../Data/patt.hiro";

	private final String data_file = "../Data/320x240ABGR.raw";

	private final String camera_file = "../Data/camera_para.dat";

	public RawFileTest()
	{
	}


	public void Test_arDetectMarkerLite() throws Exception
	{
		// AR用カメラパラメタファイルをロード
		NyARParam ap = new NyARParam();
		ap.loadARParamFromFile(camera_file);
		ap.changeScreenSize(320, 240);

		// AR用のパターンコードを読み出し
		NyARCode code = new NyARCode(16, 16);
		code.loadARPattFromFile(code_file);

		// 試験イメージの読み出し(320x240 BGRAのRAWデータ)
		File f = new File(data_file);
		FileInputStream fs = new FileInputStream(data_file);
		byte[] buf = new byte[(int) f.length()];
		fs.read(buf);
		INyARRgbRaster ra = NyARRgbRaster_BGRA.wrap(buf, 320, 240);
		// Blank_Raster ra=new Blank_Raster(320, 240);

		// １パターンのみを追跡するクラスを作成
		NyARSingleDetectMarker ar = new NyARSingleDetectMarker(ap, code, 80.0);
		NyARTransMatResult result_mat = new NyARTransMatResult();
		ar.setContinueMode(false);
		ar.detectMarkerLite(ra, 100);
		ar.getTransmationMatrix(result_mat);

		// マーカーを検出
		Date d2 = new Date();
		for (int i = 0; i < 1000; i++) {
			// 変換行列を取得
			ar.detectMarkerLite(ra, 100);
			ar.getTransmationMatrix(result_mat);
		}
		Date d = new Date();
		System.out.println(d.getTime() - d2.getTime());
	}

	public static void main(String[] args)
	{

		try {
			RawFileTest t = new RawFileTest();
			// t.Test_arGetVersion();
			t.Test_arDetectMarkerLite();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}