Balkar Singh
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Accept 20 answers given by other contributors
Awarded to Balkar Singh on 16 Aug 2021
Feeds
Question
How to count occurrence of every character of a image in MATLAB R2019b?
I want to count the occurrence of every character of a image using OCR in MATLAB R2019b. Image is attached. Thanks
2 years ago | 1 answer | 0
1
answerQuestion
Reading and writing the text of a text document image.
I am working on text images. I want to read the text of a text document image and after modify the contents wants to write the t...
3 years ago | 1 answer | 0
1
answerQuestion
Undefined function 'wprec2' for input arguments of type 'double'.
I applied wpdec2 (Wavelet Packet transform) on a color image with size 512 * 512. It generates a subtree then I applied wpcoef t...
3 years ago | 1 answer | 0
1
answerQuestion
How can I select the subbands that are generated by Wavelet Packet.
I applied wavelet packet on a color image, wavelet packet generate tree as a output. I want to select the subbnad from that tree...
3 years ago | 0 answers | 0
0
answersI am converting RGB to YCBCR image but reverse is not working.
You are right, pixel value are not exactly the same as the orginal value.
3 years ago | 0
Question
I am converting RGB to YCBCR image but reverse is not working.
I want to convert RGB image to YCBCR by using rgb2ycbcr, it is working but when I am using ycbcr2rgb to get back image then it i...
3 years ago | 2 answers | 0
2
answersQuestion
QR Code encode and decode
When i execute the QR Code encode and decode, then i got the following error:- Java exception occurred: com.google.zxing.Write...
3 years ago | 0 answers | 0
0
answersQuestion
How to generate QR code of image in MATLAB R2019b.
I want to generate QR code of document image in MATLAB. Please help Thanks in advance
3 years ago | 1 answer | 0
1
answerQuestion
How can I embed visible watermark in diagonal form in a document image?
I want to embed a visible watermark image in diagonal form in a document image. Can I use MATLAB function do it. Please help. ...
3 years ago | 1 answer | 0
1
answerQuestion
Embedding visible watermark in color document.
I want to embed a visible watermark in a color document image in the blank space (black rectangle as shown in image) as shown in...
4 years ago | 1 answer | 0
1
answerQuestion
How to split sentence?
cover_str = 'Great things in business done by one person. They done by a team of people.' I want to split the above string into...
4 years ago | 1 answer | 0
1
answerQuestion
How to select texture and smooth block of a Document image in MATLAB?
I want to apply DCT on the RGB image, before applying DCT I generated blocks of image. But I want to use only texture blocks not...
4 years ago | 1 answer | 0
1
answerQuestion
How to generate a PN sequence of a image in Matlab?
There is any Matlab function to generate PN sequence of an image in Matlab? Thanks
4 years ago | 1 answer | 0
1
answerQuestion
Embedding watermark in the color image.
I am trying to embed a watermark image into the cover image, but during the reconstructing time the image is not visible.Code is...
4 years ago | 0 answers | 0
0
answersQuestion
How we can embed watermark with the help of regular expression in Matlab?
How wa can embed watermark with the help of regular expression in a particular segment of a document image? Please guide. Thank...
4 years ago | 0 answers | 0
0
answersQuestion
How to convert from RGB to YUV lossless?
I am using rgb2ycbcr and ycbcr2rgb function to convert from RGB to YUV and vice-versa. But by using these function there is loss...
4 years ago | 1 answer | 0
1
answerQuestion
How to apply DTCWT in MATLAB?
How to apply DTCWT on a document in Matalb. Image is attached in the attachment. Please guide. Thanks
4 years ago | 1 answer | 0
1
answerQuestion
How to segment of a document image?
How can I segment a document image into empty and non-empty segment in matlab? Please guide. Thanks
4 years ago | 1 answer | 0
1
answerQuestion
How to find the metadata of a pdf?
How to find the metadata of a pdf file in Matlab? iminfo() function works only for image like png. Please guide. Thanks
4 years ago | 1 answer | 0
1
answerQuestion
How to save a string as a image in Matlab?
cover_str = 'Most teachers waste their time by asking questions that are intended to discover what a pupil does not know, wherea...
4 years ago | 0 answers | 0
0
answersQuestion
How can I read text from pdf in Matlab?
How can I read text from pdf in Matlab? I tried this code a=OCR(unit8(test.pdf); After the execution of the above code value o...
4 years ago | 1 answer | 0
1
answerQuestion
How to read only vowels of a string
How can I read only vowels of a string by using regular expression in matlab. Thanks in advance.
4 years ago | 1 answer | 0
1
answerQuestion
How to calculate the entropy?
How can I calculate the entropy of a sentence and selected sentence of a string. Thanks
4 years ago | 1 answer | 0
1
answerQuestion
which encryption technique is more secure for a string?
Which technique can be used to encrypt a string like 'Hello' and at the other end it can be decrypted . How can I implement it i...
4 years ago | 0 answers | 0
0
answersQuestion
How can I apply hash on a string.
How can i apply hash function on a string and reverse process to generate the same string from the hash value.
4 years ago | 1 answer | 0
1
answerQuestion
How to create a struct with field name numeric.
s = struct('1',{'110000'},'2',{'110001'}); Error using struct Invalid field name "1". How I can create a struct which have f...
4 years ago | 0 answers | 0
0
answersQuestion
How to compare two hexadecimal number?
Operands to the || and && operators must be convertible to logical scalar values. I got this error when i try to excute the fol...
4 years ago | 0 answers | 0
0
answersQuestion
Find the word from a string.
s1=hello everone (during the embedding process a watermark bit is embedded in the word) s2=hello the everyone (By insertion att...
4 years ago | 1 answer | 0
1
answerQuestion
Embedding after every odd letter
I want to embed data after every odd letter of a word. For example Most is my text and I want to embed 202D. Expected output M20...
4 years ago | 1 answer | 0
1
answerQuestion
Field name with integer value
How to define a struct with field name integer like 0,1 etc and ! and empty. Thanks in advance
4 years ago | 2 answers | 0
2
answers
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