24小时热门版块排行榜    

查看: 3082  |  回复: 12
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

PEEK_polymer

新虫 (初入文坛)

[求助] Image J 统计孔尺寸 已有2人参与

请问大神们,Image J 软件怎么计算图片中的泡孔数目和尺寸????万分感谢!!

Image J  统计孔尺寸
6-2.jpg
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

liangyangjie

木虫 (小有名气)

黑钻虫

飞纳电镜有一款软件叫PoroMetric也可以做,专业的!

发自小木虫IOS客户端
行胜于言
8楼2015-11-24 13:34:40
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 13 个回答

dota

木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
1) Set scale. Enlarge your image, draw a line of the exactly same length to the scale bar. For you image, 81.5 pixel = 20 um)

2) Adjust threshold, which showed reasonable segmentations.

3) Analysis Particles. Based on the visional pore sizes, I would say areas between 100 um^2 and 600 um^2 should be the correct pores.

4) Copy the results into the Excel to calculate the average and the stDev.

The 45 pores were detected out. The pore perimeter is 25.6 +/- 9.8 um. Some pore might be missed due to either the irregular shapes or the low image contrasts (not good segmentations)

Cheers!
2楼2015-11-24 09:36:04
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

dota

木虫 (著名写手)

【答案】应助回帖

引用回帖:
2楼: Originally posted by dota at 2015-11-24 09:36:04
1) Set scale. Enlarge your image, draw a line of the exactly same length to the scale bar. For you image, 81.5 pixel = 20 um)

2) Adjust threshold, which showed reasonable segmentations.

3) Anal ...

several screenshots...
Image J  统计孔尺寸-1
1) set scale.png


Image J  统计孔尺寸-2
2) adjust threshold.png


Image J  统计孔尺寸-3
3) analysis particles.png


Image J  统计孔尺寸-4
4) result.png

3楼2015-11-24 09:38:56
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

PEEK_polymer

新虫 (初入文坛)

引用回帖:
3楼: Originally posted by dota at 2015-11-24 09:38:56
several screenshots...

1) set scale.png

2) adjust threshold.png

3) analysis particles.png

4) result.png
...

太感谢了!!还有一个问题,就是阈值要怎么调才算合适?Auto 好像不太对
4楼2015-11-24 10:12:29
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[基金申请] 面上意见出来了 +6 黄鸟于飞Chao 2026-08-29 10/500 2026-08-29 15:50 by 微不足道士
[公派出国] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +3 ASdOkHsho7FD 2026-08-28 5/250 2026-08-29 14:23 by jCd0dEvKHShX
[基金申请] 麻烦专家们看看评委们的意见(F口面上) +5 gdd2018 2026-08-28 10/500 2026-08-29 14:10 by Jacob678
[论文投稿] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +3 ASdOkHsho7FD 2026-08-28 4/200 2026-08-29 13:51 by jCd0dEvKHShX
[教师之家] 售SCI一区T0P文章,我:8.O.55.1.O54,科目全,可伽急 +4 ASdOkHsho7FD 2026-08-28 5/250 2026-08-29 11:49 by jCd0dEvKHShX
[基金申请] 国自然面上复盘~欢迎讨论 (金币+15) +14 晴天加油 2026-08-26 15/750 2026-08-29 11:06 by biily
[基金申请] 中青基了要发朋友圈吗? +3 349506619 2026-08-28 3/150 2026-08-29 10:49 by 木风9012
[基金申请] 国自然评审意见 +13 wangmingqi 2026-08-28 19/950 2026-08-29 10:22 by Poppy1104
[基金申请] 2026年叶企孙基金 +4 bud_bud 2026-08-27 7/350 2026-08-29 07:23 by foolishmani
[基金申请] 基金不中,共勉 +11 eulota 2026-08-26 11/550 2026-08-28 14:22 by 火星超人xi
[基金申请] 哪位高人中了,把查询到的截图贴出来让我看看,让我长长见识 +5 yuleib84 2026-08-26 6/300 2026-08-28 00:02 by yudaoqian88
[基金申请] 面上合作单位盖章 +5 ssyjh 2026-08-27 5/250 2026-08-27 20:50 by gdfollow
[基金申请] 2026年的国家社科基金项目通讯评审的新规则与新动向、新挑战 +7 process2012 2026-08-23 10/500 2026-08-26 19:23 by hmhminy
[基金申请] 出来了 +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by 宝贝虫子
[基金申请] 国合可查了 +3 paperzjh 2026-08-26 3/150 2026-08-26 10:41 by LemmonTr
[基金申请] 今天务委会开完了,明天出结果吗 +19 angus9576 2026-08-25 23/1150 2026-08-26 10:03 by zp519
[基金申请] 在坚冰还盖着北海的时候,我看到了怒放的梅花。 (金币+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[基金申请] 某些机构,以效率低为荣,以效率低作为存在感 +9 yuleib84 2026-08-25 10/500 2026-08-25 17:14 by alexon
[基金申请] 如果此刻你正在为国基感到焦虑,不妨来听听这首《基金之外》 +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[基金申请] 没有任何消息-是不是就凉了 +9 图啦图啦 2026-08-24 10/500 2026-08-25 11:59 by 南海小哥
信息提示
请填处理意见