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Tian Tian


Last seen: 4 years 前 |  自 2017 起处于活动状态

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统计学

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提问


delete excel rows whose first column is 0
Hi, I want to delete rows if the first column in this row is 0. I know there are some answers online, I tried actxserver, but so...

6 years 前 | 1 个回答 | 0

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提问


the loop for comparing two excels row by row
Hi, I am working with a loop to compare excel files in a folder (each excel with the one next to it).The comparison is based on:...

6 years 前 | 1 个回答 | 0

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提问


Finding objects in images
I want to find objects with grayscale value <30. Now I am trying to write a table with all objects in excel file, then find and ...

6 years 前 | 1 个回答 | 0

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提问


How to make a loop on objects after watershed segmentation
I want to find objects with mean grayscale value <30 after watershed segmentation. But I don't know how to write the loop.After ...

6 years 前 | 1 个回答 | 0

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提问


Open a series of images and save them in another folder
Hi,I want to open images from one folder and save the 8-bit images in another existed folder using original name. Here is my cod...

7 years 前 | 1 个回答 | 0

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提问


remove pixels with certain rgb values
Hi, I want to remove pixels with R value >100 and G value>100, here is my code: [height width rgb] = size (I); % I is RGB i...

7 years 前 | 2 个回答 | 0

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提问


removing rows in a loop of excel
Hi, I want to compare paired excels in a folder. In the loop, i hope to select rows with columnB similar to previous one. ...

7 years 前 | 0 个回答 | 0

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提问


how to select numbers within the required range from one column in the excel
Hi everyone, I want to read the data from one column in excel file, and select the data within a certain range. The number of se...

7 years 前 | 1 个回答 | 0

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提问


how to remove pixels =0 and apply it to segmentation
Hi everyone, I want to segment images into objects, then remove pixels with values of 0, making sure the pixels=0 is not inv...

7 years 前 | 0 个回答 | 0

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提问


read objects after segmentation and remove rectangular objects
Hi everyone, I have a question about reading objects. I have applied marker-based watershed segmentation, is there a way to remo...

7 years 前 | 0 个回答 | 0

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提问


how to change the order of objects shown in a table using regioncrops
Hi everyone,I am having a hard time to compare my images using Matlab. I am trying to compare object characteristics in the tabl...

7 years 前 | 1 个回答 | 0

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已回答
Why NaN area is involved in segmented image?
I used below to convert to NaN: for coloum = 1:width for row =1:height if (I(row,coloum)==0 | I(row,coloum)< 25...

7 years 前 | 0

提问


Why NaN area is involved in segmented image?
I am using water-shed segmentation to segment objects (porous). But areas with NaN value set by codes, is still shown in segment...

7 years 前 | 1 个回答 | 0

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提问


open image in a folder and save outputted data in excel with the same name as image
Hi, I am trying to open images from a folder one by one and do processing, afterwards i hope to save output in an created excel ...

7 years 前 | 1 个回答 | 0

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提问


how to set black (pixel=0 or <20) to NaN in an image
Hi there, can anyone tell me how to convert black regions on grayscale image to NaN value? I appreciate any answers.

7 years 前 | 1 个回答 | 0

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提问


Is it possible that imregionalmax gives different result on the same image?
Hi, I found that my image segmentation code gave me different result every time when I ran it on the same image, also, the probl...

7 years 前 | 1 个回答 | 0

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提问


Why running same code on the same image gives different result every time?
Hi, I am running a watershed segmentation on one image, but I found it gave me different result every time when I ran the same c...

7 years 前 | 1 个回答 | 0

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提问


calculation of circularity using area and perimeter obtained by regionprops
Hi everyone, I am currently meeting a problem of "Undefined operator '*' for input arguments of type 'struct'." when I tried to ...

7 years 前 | 2 个回答 | 0

2

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提问


why threholded image didn't show objects
Hi, I have a binary image (multithreholded; 3472 * 3256), and now I want to get objects larger than 50 pixels in area, but every...

7 years 前 | 1 个回答 | 0

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提问


Image objects characteristics, area and shape
Hi, I am working on images with crowded objects with various circularity and sizes. Is there any way to detect and list all thei...

7 years 前 | 1 个回答 | 0

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提问


Object characteristics determination in matlab
Hi, I am trying to detect object (not totally circle) characteristics, e.g. shape, size, and how many in each size. Can anyone g...

7 years 前 | 1 个回答 | 0

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提问


applying Gaussian on a plot graph to smooth it and find peaks
Hi, can anyone help me on applying Gaussian filter to an x-y plot graph to smooth it? Many thanks.

7 years 前 | 0 个回答 | 0

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已回答
Plotting gaussian on histograms
Hi Kash022,was your problem get solved? I also need to apply Gaussian filter to a histogram plot and find smoothed peaks. Could ...

7 years 前 | 0

提问


how to apply Gaussian filter to imported data (two columns: x and y)
Hi, I am new to Matlab,and what i want to do is： import two columns of data (x and y) into Matlab, apply Gaussian filter on p...

7 years 前 | 2 个回答 | 1

2

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