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1

answer

0 votes
2 views

How can I convert a black and white positive image into negative.

Asked bySteveVVV on 30 Oct 2017

Latest activity AnsweredbyDGM on 6 Jul 2022 at 0:34

MATLAB Graphics Images Convert Image Type

1

answer

0 votes
43 views

I keep trying to convert a video grayscale but it gives me an error?

Asked byAhmed Al-Qarqaz on 25 Apr 2020

Latest activity EditedbyPamudu Ranasinghe on 18 Jun 2022

Accepted AnswerbyImage Analyst

FPGA, ASIC, and SoC Development Vision HDL Toolbox HDL-Optimized Algorithm Design

2

answers

0 votes
192 views

How do I convert my RGB image to grayscale without using the Image Processing Toolbox?

Asked byMathWorks Support Team on 12 Aug 2010

Latest activity EditedbyDGM on 4 Jun 2022

Accepted AnswerbyMathWorks Support Team

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion Image Type Conversion

0

answers

0 votes
1 view

Read and detect font from RGB image

Asked byRaphael Pesch on 11 May 2022

Latest activity Commented onbyRaphael Peschon 13 May 2022

Image Processing and Computer Vision Image Processing Toolbox Image Segmentation and Analysis

1

answer

0 votes
6 views

创建大小256×150的形象有256颜色啊n it starting 0 till 255 (the first row is black, the last row is white, and in between all the gray shades).

Asked byAbd一 on 11 May 2022

Latest activity EditedbyDGM on 12 May 2022

Accepted AnswerbyDGM

MATLAB Installation, Licensing, and Activation Install Products Introduction to Installation and Licensing

3

answers

0 votes
48 views

how to convert grayscale image to RGB image

Asked byaarti sawant on 14 Dec 2013

Latest activity AnsweredbyDGM on 19 Apr 2022

MATLAB Graphics Formatting and Annotation Colormaps

3

answers

0 votes
106 views

Can I convert one image in grayscale to monochrome?

Asked byManuel on 8 Jun 2013

Latest activity Commented onbyImage Analyst on 18 Mar 2022

Accepted AnswerbyImage Analyst

Image Processing and Computer Vision Image Processing Toolbox

2

answers

0 votes
20 views

Output error vector in the grayscale

Asked byEva Comeni on 25 Feb 2022

Latest activity Commented onbyEva Comenion 27 Feb 2022

Accepted AnswerbyImage Analyst

MATLAB Graphics Formatting and Annotation Colormaps

1

answer

0 votes
0 views

Output error in the grayscale

Asked byEva Comeni on 25 Feb 2022

Latest activity Answeredbyyanqi liu on 26 Feb 2022

MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots Histograms

1

answer

0 votes
5 views

Why do I find different SSIM values depending on whether the images' intensity information is stored in the range [0 1] or [0 255]?

Asked byAbdurRasheed Sadiq on 14 Feb 2022

Latest activity EditedbyDGM on 14 Feb 2022

Accepted AnswerbyDGM

Image Processing and Computer Vision Image Processing Toolbox Image Segmentation and Analysis Image Quality

2

answers

0 votes
41 views

I am trying to write a program for a grayscale image blurring without using gaussian or conv2 function.

Asked byShreya Balasubrahmanyam on 12 Feb 2022

Latest activity Commented onbyDGM on 14 Feb 2022

Image Processing and Computer Vision Image Processing Toolbox

1

answer

0 votes
16 views

Writing TIFFs with 9 components is not supported with IMWRITE. Use Tiff instead. Type "help Tiff" for more information.

Asked bysun rise on 19 Jan 2022

Latest activity Commented onbysun riseon 29 Jan 2022

Accepted Answerbyyanqi liu

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion

0

answers

0 votes
9 views

Why does gif turn into grayscale when i use the imread or the imshow command?

Asked byanup pandey on 27 Sep 2021

Latest activity EditedbyDGM on 26 Jan 2022

MATLAB Graphics Formatting and Annotation Colormaps Orange

2

answers

0 votes
7 views

PIXEL counting at grey scaled picture

Asked byDIMITRIOS ZAFEIRIOU on 24 Jan 2022

Latest activity Commented onbyDIMITRIOS ZAFEIRIOUon 24 Jan 2022

Accepted AnswerbyKALYAN ACHARJYA

MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots Histograms

1

answer

0 votes
6 views

1-bit TIFF images having more than 1 channel are not supported.

Asked bysun rise on 12 Jan 2022

Latest activity Commented onbyDGM on 20 Jan 2022

Accepted AnswerbyDGM

Image Processing and Computer Vision Image Processing Toolbox Deep Learning for Image Processing

1

answer

0 votes
30 views

How to create a custom grayscale colormap between white and black?

Asked byRabih Sokhen on 12 Jan 2022

Latest activity Commented onbyRabih Sokhenon 14 Jan 2022

Accepted AnswerbySimon Chan

MATLAB Graphics Formatting and Annotation Colormaps

0

answers

0 votes
1 view

Embed a secret information into the color image and decode.

Asked bySoomin Lee on 13 Jan 2022

Latest activity Commented onbyWalter Roberson on 13 Jan 2022

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion

1

answer

0 votes
31 views

Is this grayscale image?

Asked byKiha Kim on 13 Dec 2021

Latest activity AnsweredbyWalter Roberson on 13 Dec 2021

Accepted AnswerbyWalter Roberson

Image Processing and Computer Vision Image Processing Toolbox

2

answers

0 votes
41 views

How can I print the heatmap as grayscale?

Asked by도현 김 on 12 Apr 2021

Latest activity AnsweredbyRichard Quist on 6 Dec 2021

Accepted AnswerbyJ Chen

MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots

2

answers

0 votes
60 views

RGB to Grayscale without using rgb2gray

Asked bySoomin Lee on 22 Nov 2021

Latest activity Answeredbyyanqi liu on 2 Dec 2021

MATLAB Graphics Images Modify Image Colors

1

answer

0 votes
60 views

How to convert RGB image to grayscale image

Asked byaarti sawant on 2 Feb 2014

Latest activity Commented onbyDGM on 30 Nov 2021

Accepted AnswerbyImage Analyst

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion Image Type Conversion

1

answer

0 votes
0 views

Image to Grayscale box

Asked bydunphy on 15 Nov 2021

Latest activity AnsweredbySRUSHTI KHATAUon 15 Nov 2021

MATLAB Graphics Images Modify Image Colors

1

answer

0 votes
0 views

Why my colour image cannot display when using imread and imshow?

Asked byAtifah Samuri on 8 Nov 2021

Latest activity Commented onbyAtifah Samurion 9 Nov 2021

Accepted AnswerbyKevin Holly

Image Processing and Computer Vision Image Processing Toolbox

0

answers

0 votes
7 views

How to use mean function for image analysis

Asked bySarah Hicks on 25 Feb 2020

Latest activity Commented onbyWesam Rezkon 3 Nov 2021

MATLAB Graphics Images Modify Image Colors

1

answer

0 votes
9 views

How to convert each HSI channels to 8-bit grayscale images?

Asked byFahmida斯莉莎 on 26 Jul 2020

Latest activity EditedbyDGM on 29 Oct 2021

Accepted AnswerbyDGM

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion

1

answer

0 votes
41 views

Converting Grayscale image to RGB

Asked byBintang Pamungkas on 29 Jul 2013

Latest activity Commented onbyNagwa megahedon 26 Oct 2021

Accepted AnswerbyWalter Roberson

Image Processing and Computer Vision Image Processing Toolbox Import, Export, and Conversion Image Type Conversion

2

answers

0 votes
43 views

How to divide gray scale image into 8x8 blocks and access each block separately to apply dct2 on the block

Asked byAri M Salih on 29 Apr 2019

Latest activity EditedbyImage Analyst on 23 Oct 2021

Accepted AnswerbyStephane Dauvillier

Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Image Arithmetic

1

answer

0 votes
5 views

Creating a custom colormap with a specific range of colors

Asked by诗人p Juchnicki on 28 Sep 2021

Latest activity Commented onbyImage Analyst on 28 Sep 2021

MATLAB Graphics Formatting and Annotation Colormaps

1

answer

0 votes
19 views

Convert a matrix of doubles to an RGB image, and then back to a matrix of doubles (ideally matching the original)?

Asked byPaul Safier on 15 Sep 2021

Latest activity Commented onbyPaul Safieron 22 Sep 2021

Accepted AnswerbyPrachi Kulkarni

MATLAB Graphics Images

4

answers

0 votes
5 views

How to display an image using Imagesc or Imshow with only a part of the colorscale?

Asked by诗人p Juchnicki on 12 Sep 2021

Latest activity Commented onbyImage Analyst on 13 Sep 2021

Accepted AnswerbyAtsushi Ueno

MATLAB Graphics Formatting and Annotation Colormaps White

2

answers

0 votes
30 views

How can I calculate the pixel value (gray level) in a ROI?

Asked byVITTORIA MAZZINI on 4 Aug 2021

Latest activity Commented onbyDave B on 5 Aug 2021

Accepted AnswerbyDave B

Image Processing and Computer Vision Image Processing Toolbox Image Segmentation and Analysis Image Segmentation Color Segmentation

1

answer

0 votes
128 views

how to get value of all pixel in grayscale image?

Asked byCalvin Adi on 24 Nov 2017

Latest activity Commented onbyImage Analyst on 8 Jul 2021

Accepted AnswerbyImage Analyst

Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Image Arithmetic

0

answers

0 votes
0 views

I want to measure the length of walls taken from a drone image.

Asked byPieter Ruthven on 18 Jun 2021

Latest activity Commented onbyPieter Ruthvenon 18 Jun 2021

Image Processing and Computer Vision Image Processing Toolbox Image Segmentation and Analysis Object Analysis

2

answers

0 votes
1 view

How to retrieve data points from a grayscale histogram?

Asked byLuis Fernandez on 12 Jun 2021

Latest activity Commented onbyLuis Fernandezon 14 Jun 2021

Accepted AnswerbyImage Analyst

MATLAB Graphics 2-D and 3-D Plots Data Distribution Plots Histograms

1

answer

0 votes
1 view

Image format converstions for processing

Asked byMatlabEnthusiast on 26 May 2021

Latest activity Commented onbyMatlabEnthusiaston 30 May 2021

Accepted AnswerbyImage Analyst

MATLAB Graphics Images Modify Image Colors

1

answer

0 votes
0 views

adding noise to images

Asked byKamyar Mazarei on 15 Apr 2021

Latest activity EditedbyDavid Hill on 15 Apr 2021

MATLAB Graphics Images

2

answers

0 votes
64 views

Black and white image

Asked byRehan on 29 Apr 2015

Latest activity Commented onbyImage Analyst on 1 Apr 2021

Accepted AnswerbyImage Analyst

Image Processing and Computer Vision Image Processing Toolbox Image Filtering and Enhancement Image Arithmetic

1

answer

0 votes
3 views

How to convert RGB gcf to grayscale gcf ?

Asked by도현 김 on 29 Mar 2021

Latest activity Commented onbyKSSV on 29 Mar 2021

Accepted AnswerbyKSSV

MATLAB Graphics Formatting and Annotation Colormaps

2

answers

1 vote
316 views

How can I reverse black and white in a grayscale image?

Asked byClara on 2 Jul 2014

Latest activity Commented onbyVictor Mtsimbe Norrildon 17 Mar 2021

Accepted AnswerbyImage Analyst

MATLAB Graphics Images Modify Image Colors

2

answers

0 votes
0 views

How to output matrix grayscale?

Asked byPryschepa Daryna on 4 Mar 2021

Asked byGn Gnk on 2 Jan 2021

Latest activity EditedbyKALYAN ACHARJYA on 4 Jan 2021

Accepted AnswerbyImage Analyst

Image Processing and Computer Vision Image Processing Toolbox

1

answer

0 votes
5 views

how to remove gaussian noise?

Asked byRAJSHREE SRIVASTAVA on 28 Dec 2020

Asked byKev on 3 Nov 2020

Latest activity Commented onbyKevon 10 Nov 2020

Accepted AnswerbySunil Patidar

Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Object Detection

0

answers

0 votes
0 views

how to fill the inner region with original pixel values of grayscale image

Asked byTAUSEEF KHAN on 21 Oct 2020

Latest activity EditedbyTAUSEEF KHANon 21 Oct 2020

Image Processing and Computer Vision Computer Vision Toolbox Recognition, Object Detection, and Semantic Segmentation Image Category Classification

Results 1 - 50 of 248