Introduction

Figure 1

Bacteria colony

Figure 2

Colonies counted

Figure 3

Bacteria colony

Image Basics

Figure 1

Original size image

Figure 2

Enlarged image area

Figure 3

Image of 8

Figure 4

Image of 0

Figure 5

Cartesian coordinate system

Figure 6

Image coordinate system This is called a left-hand coordinate system. If you hold your left hand in front of your face and point your thumb at the floor, your extended index finger will correspond to the x-axis while your thumb represents the y-axis.

Figure 7

Left-hand coordinate system

Figure 8

Image of 5

Figure 9

Image of three colours

Figure 10

Image in greyscale

Figure 11

Image of checkerboard

Figure 12

Image of red channel

Figure 13

Image of green channel

Figure 14

Image of blue channel

Figure 15

RGB colour table

Figure 16

Original image

Figure 17

Enlarged, uncompressed

Figure 18

Enlarged, compressed

Figure 19

Uncompressed histogram

Reading Images

Figure 1

Root cluster image

Figure 2

Thresholded root image

Figure 3

Su-Do-Ku puzzle

Figure 4

Modified Su-Do-Ku puzzle

Figure 5

Whiteboard image

Figure 6

Whiteboard coordinates

Figure 7

"Erased" whiteboard

Image exploration

Preprocessing and filtering

Processing and segmentation

Figure 1

Image with geometric shapes on white background

Figure 2

Grayscale image of the geometric shapes

Figure 3

Grayscale histogram of the geometric shapes image

Figure 4

Binary mask of the geometric shapes created by thresholding

Figure 5

Selected shapes after applying binary mask

Figure 6

Another image with geometric shapes on white background

Figure 7

Grayscale histogram of the second geometric shapes image

Figure 8

Binary mask created by thresholding the second geometric shapes image

Figure 9

Selected shapes after applying binary mask to the second geometric shapes image

Figure 10

Image of a maize root

Figure 11

Grayscale histogram of the maize root image

Figure 12

Binary mask of the maize root system

Figure 13

Masked selection of the maize root system

Figure 14

Four images of maize roots

Figure 15

Binary masks of the four maize root images

Figure 16

Improved binary masks of the four maize root images

Figure 17

Image of bacteria colonies in a petri dish

Figure 18

Grayscale histogram of the bacteria colonies image

Figure 19

Binary mask of the bacteria colonies image

Post-processing with filters

Figure 1

Original shapes image

Figure 2

Mask created by thresholding

Figure 3

Labeled objects

Figure 4

shapes-01.jpg mask detail

Figure 5

Histogram of object areas

Figure 6

Objects filtered by area

Figure 7

Objects colored by area

Measurements

Validation

Capstone Challenge

Figure 1

Colony image 1

Figure 2

Colony image 2

Figure 3

Colony image 3

Figure 4

Sample morphometric output

Figure 5

Colony image 1

Figure 6

Gray Colonies

Figure 7

Histogram image

Figure 8

Colony mask image

Figure 9

Sample morphometric output

Figure 10

Colony 1 outputColony 2 outputColony 3 output