What's the image resizing impact on the accurate x-y location of a point?

Hi all, I'm interested in X-y location of a point on an image. If I interpolate the image to be 1000 by 1000 pixels, then downsample it to 200 *200 pixels. Then measure X-Y location of the point....

06 July 2019 2,907 8 View

Why does some metric (cost function) require very short step size of the optimizer to give good registration results?!?

Hi All, If the metric ( cost function) is very sensitive to the step size of the optimizer and the number of iterations, what does it mean?!. Does that mean the metric has a limit then the...

04 May 2019 5,955 4 View

If C-B= 0, does that mean good registration ?

if A (fixed image or reference image) , B ( moving image),and C is the resulted image after the registration. What should be C-B? If C-B= 0, does that mean good registration ? Thanks,

02 March 2019 7,347 3 View

Why do we need to down-sample a histology image ?

Why do we need to down sample the histology image when we try the registration to a medical image?. one reason that I know is to reduce the noise. Also, to help the similarity metrics to find a...

01 February 2019 636 9 View

Limitations of the mutual information?

What are the limitations of using mutual information as similirty measure of the registeration of two different contrast machnisims?

09 October 2018 6,378 2 View

Is there anyone expert with using Elastix for image registration ?

I'm facing a difficulty in evaluating the registration accuracy by using Elastix, since I'm using an artificial images. I would like to have an advice on how to evaluate the accuracy of the...

08 September 2018 8,246 5 View

What could cause the symmetric shape that resulted after the subtraction of registed moving image from the fixed image?

I made a registration between fixed and moving image using affine transform and differences metric. I subtracted the result image from the fixed image to evaluate the registration. As you see in...

07 August 2018 5,543 2 View

Questions in images registration ?

Hi All, I'm using Elastix software to do the registration between a histology image and MRI? I have some questions: 1. what do you think the most important parameters that could affect the...

07 August 2018 8,508 1 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View

How to threshold an image despite bright lighting, using ImageJ/Fiji?

Hi everyone, I am using Fiji to determine the percentage of the image covered by leaves, branches, or trunk, but i've encountered some difficulty when the sun hits parts of my image like the one...

27 February 2021 1,194 3 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Can a Golgi-stained dendritic spines picture processed by Image J be directly used for publication?

24 February 2021 3,348 2 View