Trace a ROI and remove it from image

6 次查看（过去 30 天）

Alina tom 2018-7-22

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/411556-trace-a-roi-and-remove-it-from-image

评论： Image Analyst 2018-7-23

Hi All

I have the following image . I want to trace the part which is shown in red lines and remove it from the image . but I don't know how I can scan from top to bottom to find the object and remove it. can anyone help me to do this ???

Thanks in advance for helping me

Here is the image attached

here is another image

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Image Analyst 2018-7-22

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/411556-trace-a-roi-and-remove-it-from-image#answer_329831

freehand_masking_demo.m

See my attached masking demo. It will do that.

6 个评论
显示 4更早的评论隐藏 4更早的评论

Alina tom 2018-7-23

Sir how I can trace the small blob by scanning image from top to bottom?

the small blob has a dark shadow below it . how can we use this information to trace that part and remove it

Image Analyst 2018-7-23

ALL your blobs have dark regions below them.

You can use bwareafilt() if you want to toss out small blobs.

请先登录，再进行评论。

请先登录，再回答此问题。

类别

Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Object Detection

在 Help Center 和 File Exchange 中查找有关 Object Detection 的更多信息

产品

Image Processing Toolbox

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by