Image Processing Toolbox - Suleyman Demirel...

14
Image Processing Toolbox

Transcript of Image Processing Toolbox - Suleyman Demirel...

Page 1: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Image Processing Toolbox

Page 2: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Image Processing Toolbox

● Reading an image from file● Main data classes used for image

representation and conversion between them● Image Display● Explore content of an image● Save image

Page 3: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

imfinfo('tiger.jpg')

Page 4: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Reading and showing an image

Page 5: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Image Data Classes

● Most common data classes for images

– uint8: 1 byte per pixel, in the [0, 255] range

– double: 8 bytes per pixel, usually in the [0.0, 1.0] range

– logical: 1 byte per pixel, representing its value as true (1 or white) or false (0 or black)

Page 6: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Conversion between classes

im2singleim2doubleim2uint8im2uint16im2int16im2bwmat2gray

ind2graygray2indrgb2grayrgb2indind2rgb

Page 7: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Image conversion

vsType

conversion

Page 8: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,
Page 9: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Image Display Functions

imageimagescimshowimtool

Page 10: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

imshow(...)

Page 11: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

imtool(...)

Page 12: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

imwrite(...)

Page 13: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

Homework

● Problems in the end of Chapter 4 of textbook● Tutorials of Chapter 4

Page 14: Image Processing Toolbox - Suleyman Demirel …instructor.sdu.edu.kz/~konst/cv2015/week03/lecture04...Image Data Classes Most common data classes for images – uint8: 1 byte per pixel,

References

● Practical Image and Video Processing using Matlab, Oge Marques, 2011, Chapter 4


Quilting Classes Winter Classes

Quilting Classes Winter Classes

8N-ESP8266 SPI Reference EN v0.1(review) - signal.com.tr · Example void spi_lcd_9bit_write(uint8 spi_no,uint8 high_bit,uint8 low_8bit) Function Provide SPI master transmitting program

8N-ESP8266 SPI Reference EN v0.1(review) - signal.com.tr · Example void spi_lcd_9bit_write(uint8 spi_no,uint8 high_bit,uint8 low_8bit) Function Provide SPI master transmitting program

Classes and Nested Classes in Java

Classes and Nested Classes in Java

Practical Image and Video Processing Using MATLAB®instructor.sdu.edu.kz/~konst/cv2015/week03/Slides_Chapter03.pdf · Practical Image and Video Processing Using ... An M-file containing

Practical Image and Video Processing Using MATLAB®instructor.sdu.edu.kz/~konst/cv2015/week03/Slides_Chapter03.pdf · Practical Image and Video Processing Using ... An M-file containing

Implementing a Secure Boot Path with UEFI 2.3 · PDF fileImplementing a Secure Boot ... WIN_CERTIFICATE Hdr EFI_GUID CertType UINT8 ... •But User Experience is key to acceptance:

Implementing a Secure Boot Path with UEFI 2.3 · PDF fileImplementing a Secure Boot ... WIN_CERTIFICATE Hdr EFI_GUID CertType UINT8 ... •But User Experience is key to acceptance:

Classes? Que Classes? Ciclo de Debates sobre Classes Sociais

Classes? Que Classes? Ciclo de Debates sobre Classes Sociais

Robot Raconteur® using C# - Amazon S3 · single float int8 sbyte uint8 byte int16 short uint16 ushort int32 int uint32 uint int64 long uint64 ulong double[] double[] single ... If

Robot Raconteur® using C# - Amazon S3 · single float int8 sbyte uint8 byte int16 short uint16 ushort int32 int uint32 uint int64 long uint64 ulong double[] double[] single ... If

Definition: The ability to derive child classes (sub- classes) from parent classes (super-classes) Characteristics: Methods and instance variables.

Definition: The ability to derive child classes (sub- classes) from parent classes (super-classes) Characteristics: Methods and instance variables.

Agisoft PhotoScan 20180409 Tecolote HighRez edifice plus north · Texture 4,096 x 4,096, uint8 Reconstruction parameters Surface type Height field Source data Dense Interpolation

Agisoft PhotoScan 20180409 Tecolote HighRez edifice plus north · Texture 4,096 x 4,096, uint8 Reconstruction parameters Surface type Height field Source data Dense Interpolation

Agisoft PhotoScan - TareqhUAVtareqhuav.com/wp-content/uploads/2019/03/Agisoft-report.pdf · Texture 3 bands, uint8 Reconstruction parameters Source data Dense cloud Tile size 256

Agisoft PhotoScan - TareqhUAVtareqhuav.com/wp-content/uploads/2019/03/Agisoft-report.pdf · Texture 3 bands, uint8 Reconstruction parameters Source data Dense cloud Tile size 256

So You Have 16 Entry Long Uint8 Array.. You Do Some Like This to Check for Complete Lines.

So You Have 16 Entry Long Uint8 Array.. You Do Some Like This to Check for Complete Lines.

New London · GED Prep Classes English as a Second Language Classes Citizenship Classes Adult High School Credit Diploma Enrichment Classes Daytime Enrichment Classes

New London · GED Prep Classes English as a Second Language Classes Citizenship Classes Adult High School Credit Diploma Enrichment Classes Daytime Enrichment Classes

Web Classes .......................... page 98 Hybrid classes ...

Web Classes .......................... page 98 Hybrid classes ...

COMP-520 GoLite projecthendren/520/2016/slides/go-lecture.pdf · 22/40. Basic types int float64 bool rune (char) string uint8 uint16 uint32 uint64 int8 int16 int32 int64 float32

COMP-520 GoLite projecthendren/520/2016/slides/go-lecture.pdf · 22/40. Basic types int float64 bool rune (char) string uint8 uint16 uint32 uint64 int8 int16 int32 int64 float32

What is CuPy? · NumPy compatible features Data types (dtypes) bool_, int8, int16, int32, int64, uint8, uint16, uint32, uint64, float16, float32, float64,

What is CuPy? · NumPy compatible features Data types (dtypes) bool_, int8, int16, int32, int64, uint8, uint16, uint32, uint64, float16, float32, float64,

Business Classes Computer Classes Health/Medical-Related ......Business Classes Page 6 Computer Classes Page 9 Health/Medical-Related Classes Page 13 HR Specialist Certificate Page

Business Classes Computer Classes Health/Medical-Related ......Business Classes Page 6 Computer Classes Page 9 Health/Medical-Related Classes Page 13 HR Specialist Certificate Page

Ideal Classes-Coaching classes for ICSE

Ideal Classes-Coaching classes for ICSE

NPF: a new packet filter - FreeBSDpgj/bsd_day(2011)/materials/10_zoltan_n… · I npf addr (in6 addr, 128-bit) for addresses (the rst 32 bit is used for IPv4 addresses) I uint8 t

NPF: a new packet filter - FreeBSDpgj/bsd_day(2011)/materials/10_zoltan_n… · I npf addr (in6 addr, 128-bit) for addresses (the rst 32 bit is used for IPv4 addresses) I uint8 t

No Classes Classes Resume

No Classes Classes Resume

CMSC 202 Inner Classes. Aug 7, 20072 Simple Uses of Inner Classes Inner classes are classes defined within other classes The class that includes the.

CMSC 202 Inner Classes. Aug 7, 20072 Simple Uses of Inner Classes Inner classes are classes defined within other classes The class that includes the.