# \#normalisation

**URL:** https://discourse.slicer.org/tag/normalisation/328.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

---

## [Min/max intensity normalization](https://discourse.slicer.org/t/min-max-intensity-normalization/29179)

<div class="topic-metadata">

**Author:** [@mahmood](https://discourse.slicer.org/u/mahmood)\
**Replies:** 1\
**Last updated:** [May 11, 2026, 8:22pm UTC](https://discourse.slicer.org/t/min-max-intensity-normalization/29179 "2026-05-11T20:22:59Z")

</div>

Sorry, I have a problem. Can we applied min/max intensity normalization with 3dslicer? If yes, How can it be done? Thanks

---

## [Is it possible in pyradiomics to normalize only the ROI and not the entire image?](https://discourse.slicer.org/t/is-it-possible-in-pyradiomics-to-normalize-only-the-roi-and-not-the-entire-image/43721)

<div class="topic-metadata">

**Author:** [@Alessandro\_Ghilardi](https://discourse.slicer.org/u/Alessandro_Ghilardi)\
**Replies:** 0\
**Last updated:** [July 15, 2025, 4:26am UTC](https://discourse.slicer.org/t/is-it-possible-in-pyradiomics-to-normalize-only-the-roi-and-not-the-entire-image/43721 "2025-07-15T04:26:26Z")

</div>

I need to know if there’s a standard way to normalize only the ROI. I tried to create a function to do so but in this case filtered versions of the image would be calculated only after the ROI normalization (which means …

---

## [How to normalisation the DICOM data before radiomic processing](https://discourse.slicer.org/t/how-to-normalisation-the-dicom-data-before-radiomic-processing/37362)

<div class="topic-metadata">

**Author:** [@TS\_FAIKAH\_AWANG](https://discourse.slicer.org/u/TS_FAIKAH_AWANG)\
**Replies:** 0\
**Last updated:** [July 13, 2024, 8:11pm UTC](https://discourse.slicer.org/t/how-to-normalisation-the-dicom-data-before-radiomic-processing/37362 "2024-07-13T20:11:35Z")

</div>

Hi everyone, I’m Faikah and new to 3d slicer. I’m using 3d slicer version 5.61 for segmentation of my DICOM data. I faced a difficulties with how to normalized the data for preprocessing before my segmentation as I could…

---

## [\-/+ 3 sigma normalization](https://discourse.slicer.org/t/3-sigma-normalization/28947)

<div class="topic-metadata">

**Author:** [@mahmood](https://discourse.slicer.org/u/mahmood)\
**Replies:** 3\
**Last updated:** [July 25, 2023, 5:54am UTC](https://discourse.slicer.org/t/3-sigma-normalization/28947 "2023-07-25T05:54:51Z")

</div>

sorry I have a question. How can I apply -/+3 sigma normalization on my dicom files? Thanks

---

## [Shift scale image filter](https://discourse.slicer.org/t/shift-scale-image-filter/29178)

<div class="topic-metadata">

**Author:** [@mahmood](https://discourse.slicer.org/u/mahmood)\
**Replies:** 0\
**Last updated:** [April 27, 2023, 8:05pm UTC](https://discourse.slicer.org/t/shift-scale-image-filter/29178 "2023-04-27T20:05:32Z")

</div>

Sorry, I have a question? What’s the shift scale image filter in 3dslicer? Is that (mu +/- 3sigma)? If yes, what numbers should be put in shift and scale values to make the above formula? And what’s shift and scale i…

---

## [Intensity normalization](https://discourse.slicer.org/t/intensity-normalization/28024)

<div class="topic-metadata">

**Author:** [@Floren](https://discourse.slicer.org/u/Floren)\
**Replies:** 1\
**Last updated:** [March 2, 2023, 6:24am UTC](https://discourse.slicer.org/t/intensity-normalization/28024 "2023-03-02T06:24:48Z")

</div>

Hello, everyone! I am working with prostate adc maps and trying to measure adc value for prostate tumors in order to demonstrate that there is a correlation between adc value and Gleason score. I understood that i must…

---

## [Normalization of MRI images to 1](https://discourse.slicer.org/t/normalization-of-mri-images-to-1/20232)

<div class="topic-metadata">

**Author:** [@Hadi](https://discourse.slicer.org/u/Hadi)\
**Replies:** 2\
**Last updated:** [October 20, 2021, 6:07pm UTC](https://discourse.slicer.org/t/normalization-of-mri-images-to-1/20232 "2021-10-20T18:07:49Z")

</div>

Hi, I am working on MRI images of BraTs2020 image dataset. I want to normalized them to 1. I use the NormalizedImageFilter, But this does not happen and it is often seen in numbers greater than 1 (rage 2-3). Please gui…

---

## [Normalisation of MR images](https://discourse.slicer.org/t/normalisation-of-mr-images/13215)

<div class="topic-metadata">

**Author:** [@RadioQuest](https://discourse.slicer.org/u/RadioQuest)\
**Replies:** 0\
**Last updated:** [August 28, 2020, 3:55pm UTC](https://discourse.slicer.org/t/normalisation-of-mr-images/13215 "2020-08-28T15:55:24Z")

</div>

Hi… I am working on MRI images from different sources and I want to compare the features. Is it possible to standardise primary diagnostic features (especially Original Image mean and maximum)? and does it have an effe…

---

## [PET normalisation before Radiomics](https://discourse.slicer.org/t/pet-normalisation-before-radiomics/12765)

<div class="topic-metadata">

**Author:** [@Nora](https://discourse.slicer.org/u/Nora)\
**Replies:** 1\
**Last updated:** [July 31, 2020, 4:48am UTC](https://discourse.slicer.org/t/pet-normalisation-before-radiomics/12765 "2020-07-31T04:48:39Z")

</div>

Hello All, I’ve been trying to calculate the bin width for fixed bin numbers. However, some PET data range were fluctuating. Example the minimum SUV = 3274.76, and the maximum = 14063.3. I looked to pyradiomics recomme…
