一个图像配准的小程序

为伊人而coding.

源代码/程序见文末附件

分享一下,虽然代码很乱,没有什么价值

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Thanks for 许前辈,Visual FreeCode前辈 !

评论

21 楼 rubynroll 2008-06-05  

倾斜的图像和外部空白区有明显的边界,再sobe(或其它边缘检测)变换后呈现出4条互成近90度的直线,根据这些条件,用霍夫变换就可以检测了.

20 楼 zerofor 2008-06-02  

想请教一下用霍夫变换怎么检测这张图片的倾斜度啊，（我以前只是矫正过扫描的文字图像而已）

19 楼 arust 2008-06-02  

dogstar 写道

这个图片是谁我不知道.但是貌似做图像处理的最爱用这张图了.以前上大学学数字信号处理的时候,看的都麻木了.哈哈.还有,你的代码,还有可执行文件不能正常下载.请查验.

据说是因为她有完美的肩部曲线

18 楼 zuroc 2008-05-25  

蕾娜之詩

　

0 dear Lena, your beauty is so vast; it is hard sometimes to describe it fast.

噢，親愛的蕾娜，妳的美麗是如此浩瀚，有時候真是很難快速地描述。

I thought the entire world I would impress, if only your portrait I could compress.

如果我能壓縮你的影像，我想整個世界都會印象深刻。

Alas! First when I tried to use VQ, I found that your cheeks belong to only you.

唉呀，當我第一次利用「向量量化」，我發現你的臉頰僅僅屬於原始的你。

Your silky hair contains a thousand lines, hard to match with sums of discrete cosines.

妳絲絨般的頭髮包含了上千線條，根本無法以「離散餘弦」來匹配。

And for your lips, sensual and tactual, thirteen Crays found not the proper fractal.

妳性感的豐唇，即使十三部Cray超級電腦也無法找到適合的「碎形」描寫。

And while these setbacks are all quite severe, I might have fixed them with hacks here or there.

當這些挫折變得越來越嚴重，我只好在影像裡到處修整。

But when wavelets took sparkle from your eyes, I said, "Skip this stuff. I'll just digitize."

然而當「小波轉換」奪走了妳眼神中的光輝時，我說：『不壓縮了！我只要數位化就好』。

　

by an unknown author

作者不詳

17 楼 zuroc 2008-05-25  

http://www.cyut.edu.tw/~yltang/course/practice%20of%20image%20processing/lena_story.htm
Lenna的故事

16 楼 zgdhj95 2008-05-24  

Lenna...去GOOGLE看了下原图,发现居然还是个裸女,不错不错~~~


http://www.vision.auc.dk/~hn/Images/lenna_color.jpg

15 楼 scropo 2008-05-23  

楼上很强大啊
偶现在也在做图像检索的研究
请问大虾们，java有哪些图像包可体提取纹理、形状等特征的

14 楼 bookong 2008-05-23  

很好奇，搜了一下，发现原来楼主用的是这个图片的一部分

13 楼 insiku 2008-05-19  

下载来看看

12 楼 rubynroll 2008-05-17  

我所看到过的关于图像处理方面书没有不用Lenna的，呵呵～

11 楼 rockjava 2008-05-17  

Lenna,哈哈，做信号处理的实验的时候就用的“她”。

10 楼 zuroc 2008-05-16  

帮MM写的,没有研究什么学术上的东西,不过最近反正也闲,去研究一下"霍夫变换"也不错.

多谢指教:)

9 楼 xuby 2008-05-16  

这个属于边缘检测里面最容易的情况了。

8 楼 xuby 2008-05-16  

使用霍夫变换，完全可以全自动，不用选那三个点。

7 楼 zuroc 2008-05-16  

我可以下载啊
another link
http://groups.google.com/group/winx/browse_thread/thread/a7092ecf7e370e51

6 楼 dogstar 2008-05-16  

这个图片是谁我不知道.但是貌似做图像处理的最爱用这张图了.以前上大学学数字信号处理的时候,看的都麻木了.哈哈.还有,你的代码,还有可执行文件不能正常下载.请查验.

5 楼 zuroc 2008-05-16  

群众是盲目的,不要迷信民主的力量...

每一个人除了他自己懂得那一些东西之外,也都是盲目的...

mm还是挺好看的:)

http://www.csie.ntu.edu.tw/~b89075/197211_Lenna_Sjooblom_CF_LivePix.jpg

4 楼 fxsjy 2008-05-16  

看来JavaEye搞图像处理的太少了，我这么经典的回复竟然被评为差贴，俺给科普一下。


The picture's history was described in the May 2001 newsletter of the IEEE Professional Communication Society, in an article by Jamie Hutchinson:

“ Alexander Sawchuk estimates that it was in June or July of 1973 when he, then an assistant professor of electrical engineering at the University of Southern California Signal and Image Processing Institute (SIPI), along with a graduate student and the SIPI lab manager, was hurriedly searching the lab for a good image to scan for a colleague's conference paper. They got tired of their stock of usual test images, dull stuff dating back to television standards work in the early 1960s. They wanted something glossy to ensure good output dynamic range, and they wanted a human face. Just then, somebody happened to walk in with a recent issue of Playboy.
The engineers tore away the top third of the centerfold so they could wrap it around the drum of their Muirhead wirephoto scanner, which they had outfitted with analog-to-digital converters (one each for the red, green, and blue channels) and a Hewlett Packard 2100 minicomputer. The Muirhead had a fixed resolution of 100 lines per inch and the engineers wanted a 512 × 512 image, so they limited the scan to the top 5.12 inches of the picture, effectively cropping it at the subject's shoulders.
”

Lenna was not the first Playboy magazine image to be used to illustrate image processing algorithms. Lawrence G. Roberts used a 1960 Playboy image, with permission and attribution, in his 1961 MIT master's thesis on image dithering.[2]

3 楼 zuroc 2008-05-16  

奇怪,之前还有一条评论,难道被和谐了:)

2 楼 zuroc 2008-05-16  

奇怪,之前还有一条评论,难道被和谐了:)