diff --git a/segmentation/mask_from_filtering_and_threshold.ipynb b/segmentation/mask_from_filtering_and_threshold.ipynb
index 56e04a98b225f8ceed3d6b98af9c63b4ab8f2c50..49094f50f3b01a9f82969b9603b14e547dec3298 100644
--- a/segmentation/mask_from_filtering_and_threshold.ipynb
+++ b/segmentation/mask_from_filtering_and_threshold.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "0f62fd3b",
+   "id": "cc248896",
    "metadata": {},
    "source": [
     "# Simple 3D binary mask\n",
@@ -12,7 +12,7 @@
   {
    "cell_type": "code",
    "execution_count": 1,
-   "id": "0a23b431",
+   "id": "871f793a",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -25,7 +25,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f9ad6ad1",
+   "id": "1854d8dd",
    "metadata": {},
    "source": [
     "## Helper functions"
@@ -34,7 +34,7 @@
   {
    "cell_type": "code",
    "execution_count": 2,
-   "id": "7a3aa8a7",
+   "id": "56ccd2a9",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -63,7 +63,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7baf5d58",
+   "id": "107f92f4",
    "metadata": {},
    "source": [
     "## Load data"
@@ -72,7 +72,7 @@
   {
    "cell_type": "code",
    "execution_count": 3,
-   "id": "1f5d1fb6",
+   "id": "a9b977b3",
    "metadata": {},
    "outputs": [
     {
@@ -105,7 +105,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "66d5bcc7",
+   "id": "186f46cc",
    "metadata": {},
    "source": [
     "## Apply median filter"
@@ -114,7 +114,7 @@
   {
    "cell_type": "code",
    "execution_count": 4,
-   "id": "47b7de23",
+   "id": "1b1fcba9",
    "metadata": {},
    "outputs": [
     {
@@ -147,7 +147,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "06e9af21",
+   "id": "c17d275c",
    "metadata": {},
    "source": [
     "## Get the threshold value"
@@ -156,7 +156,7 @@
   {
    "cell_type": "code",
    "execution_count": 5,
-   "id": "06bba77b",
+   "id": "aebf7d46",
    "metadata": {},
    "outputs": [
     {
@@ -186,7 +186,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b2dc8937",
+   "id": "c6e49b28",
    "metadata": {},
    "source": [
     "## Make binary mask"
@@ -195,7 +195,7 @@
   {
    "cell_type": "code",
    "execution_count": 6,
-   "id": "9971ddcb",
+   "id": "ec9a9333",
    "metadata": {},
    "outputs": [
     {