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by Emiliano Musso
In the present article, we'll analyze some functionalities offered by Microsoft Azure Cognitive Services, and in particular that part of Cognitive Services dedicated to facial recognition (Face API). At the end of the article, the reader will be able to develop a simple C# application to detect face
by Joe Rattz
The purpose of this article is to explain how you can update your ASP.NET 2.0 site to properly recognize and identify Chrome.
by Hatem Mostafa
Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition
by DaveMathews
Speaker independent speech recognition in Mono and .NET C#

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by Hatem Mostafa
Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition
by DaveMathews
Speaker independent speech recognition in Mono and .NET C#
by mohammad farahi
Character recognition with MLP Neural Network
by Emiliano Musso
In the present article, we'll analyze some functionalities offered by Microsoft Azure Cognitive Services, and in particular that part of Cognitive Services dedicated to facial recognition (Face API). At the end of the article, the reader will be able to develop a simple C# application to detect face

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Recognition 

21 May 2017 by Emiliano Musso
In the present article, we'll analyze some functionalities offered by Microsoft Azure Cognitive Services, and in particular that part of Cognitive Services dedicated to facial recognition (Face API). At the end of the article, the reader will be able to develop a simple C# application to detect face
6 Jan 2012 by Joe Rattz
The purpose of this article is to explain how you can update your ASP.NET 2.0 site to properly recognize and identify Chrome.
24 Feb 2016 by Sergey Alexandrovich Kryukov
Something is wrong here. The code, as you show it, could not even compile. You cannot append string[] to a grammar builder, you have to append an instance of Choice. This is a correct code fragment:string[] phrases = new string[] { // ...}Choices choiceSet = new...
4 Apr 2012 by Reza Ahmadi
Hi,This is an article in addition to it's source code and library about face recognition using C# and EmguCV:Multiple face detection and recognition in real time[^]I hope it will help,Cheers.
4 Apr 2012 by Abhinav S
TryFace Detection in C#[^]Multiple face detection and recognition in real time[^]http://dotnet.dzone.com/articles/face-recognition-c[^]Emgu try - http://friism.com/webcam-face-detection-in-c-using-emgu-cv[^]http://www.emgu.com/wiki/index.php/Tutorial[^]
1 Jul 2012 by Sergey Alexandrovich Kryukov
First, something or somebody fooled you about the "annoying recognition window". Speech recognition does not require any windows at all. You probably worked with some stupid application, not with recognition engine itself.The second part of the question is quite correct. You really need to...
2 Jul 2012 by Dave Kreskowiak
Your gram declaration runs BEFORE the Form.Load event is fired, so on the first run of your app, the grammar.xml file doesn't exist and is empty.Your code should be creating the Grammar object after it has written the file:Public Class Form1 Dim engine As New...
20 Nov 2014 by Sergey Alexandrovich Kryukov
There is a predefined grammar for dictation covering some big dictionary, System.Speech.Recognition.DictationGrammar:http://msdn.microsoft.com/en-us/library/system.speech.recognition.dictationgrammar%28v=vs.110%29.aspx[^].However, don't hold your breath. I tried it with the engine supplied...
27 May 2015 by Sergey Alexandrovich Kryukov
This is how:https://msdn.microsoft.com/en-us/library/system.speech.recognition%28v=vs.110%29.aspx[^]:https://msdn.microsoft.com/en-us/library/system.speech.recognition.speechrecognizer(v=vs.110).aspx[^],or...
19 May 2019 by Thomas Daniels
Check out the Choices[^] class in the System.Speech.Recognition API. A Choices object is something you can append to a GrammarBuilder with .Append, and you can create a Choices both out of a String array and a GrammarBuilder array. I've never done experiments to this extent but Choices should...
17 Feb 2020 by Richard MacCutchan
The following code will split your data into the two arrays you have declared: static int samples = 4; // adjust this to the actual number to be processed static double[,] input = new double[samples,2]; static double[] output = new...
2 Jul 2011 by thatraja
Read this blog post.Face Recognition Project: Introduction To Face Recognition[^]
13 Oct 2011 by Keyuraashra
Hi to all,I am developing one application in Android for my internal learning purpose, the application is like ECHO effect whatever you speak it will reply you the same. I don't know the basics of voice recognition / recording in Android so please if anybody has any idea regarding this then...
21 Dec 2013 by Sergey Alexandrovich Kryukov
It simply means that your args object is not null, but it is empty. Your entry-point method (main) received 0 command-line arguments. What to do? Check for the size of the array before indexing it.—SA
13 Jul 2014 by Tino Fourie
You may want to look into the following possibilities for your intended project. I personally think your project holds promise especially for the elderly and disabled person.OpenCV is not compatible with VB.net however EMGU is a wrapper that allows you to use OpenCV through...
11 Oct 2014 by Mehdi Gholam
Speech recognition and specific person identification are advanced research topics, if you did this you could make a lot of money.Start here : Get Started with Speech Recognition[^]http://en.wikipedia.org/wiki/Speaker_recognition[^]
3 Nov 2014 by BillWoodruff
Assume: a WinForms project where:1. ControlsButton: btnTranslate: click to translate English to Arabic: uses rtbEnglish, rtbArabicButton: btnSearchButton: click to search for an English word: uses tbSearchEnglishRichTextBox: rtbEnglish: displays user-entered English...
20 Nov 2014 by Sheepings
Maybe this might be of interest to the OP; it made an interesting read for me: https://software.intel.com/en-us/articles/voice-recognition-and-synthesis-using-the-intel-perceptual-computing-sdk There are a dozen others just like the one Microsoft offer if you search Google for C# Speech...
11 Jan 2015 by Maciej Los
Have a look here - Software section.
26 Aug 2015 by Thomas Daniels
You are loading the Grammar asynchronously, so it might happen that it isn't fully loaded yet when you start recognizing.There are two options to avoid that:Load the grammar synchronously, using LoadGrammar instead of LoadGrammarAsync.If you load it async, only start the recognizer...
8 Feb 2016 by Dave Kreskowiak
I think you're looking for "acoustic fingerprinting". Google for it.Though, this is just a guess because your problem description is quite vague.
17 Sep 2022 by OriginalGriff
I have no idea what any of that means: it reads like you are "on something" and pretty disconnected from the real world. So ... Use the "Improve question" widget to edit your question and provide better information. Start by NOT SHOUTING. Using...
27 Jun 2011 by Christian Graus
I'd suggest that you get people you're paying to work for you to evaluate this tool, not least b/c they will know exactly what you want to use it for.
27 Jun 2011 by Garreth Wilks
Hello,I've got an event management company, and I spend a lot of time with hanging on the phone, and also online. I've found out something lately which can make organizing smoother, faster, and more comfortable. But I also have a problem. See, I'm expert in business life, but I don't know...
2 Jul 2011 by NAIADx
HI, i wanna ask for a Source Code of "Face Recognition" using OpenCv C# ?i try to search and i found 'Face Detection' but not Recognition ...Can you Help ,please?thanks
7 Aug 2011 by jithinpl
You can use SpeechSynthesizer Class for how to pronounce a word.Sample C# CodeSystem.Speech.Synthesis.SpeechSynthesizer sp= new SpeechSynthesizer();sp.Speak("Hello");Sample VB CodeDim sp as new System.Speech.Synthesis.SpeechSynthesizersp.Speak("Hello")
2 Oct 2011 by Mehdi Gholam
Sites like the one you are referring to are built on intellectual property which you will not find in an open source way for the foreseeable future, as they are making money from it.Your best option is to either contact them for re-licensing, or start and research and develop one your self.
13 Oct 2011 by André Kraak
Have a lok at this: Speech Input[^].
11 Nov 2011 by saharkiz
SAPI supports the following on the time of release: U.S. English, U.K. English, traditional Chinese, simplified Chinese, Japanese, German, French and Spanishyou can use the speech SDK to add to this api.
23 Nov 2011 by Erin Burke
Hi all, Just a quick question. I have been working on a basic hand/ finger tracking code using OpenCv and the ConvexHull and ConvexityDefects method. Basically i am able to create a contour of the hand. I now need to be able to count the number of fingers. I no that the start and the end points...
23 Nov 2011 by Jonathan Davies
To count them or use the results, try something likeCvSeq* hull = cvConvexHull2( contours2, 0, CV_CLOCKWISE, 0 ); int i;for(i=0; i total; i++){ float* p = (float*)cvGetSeqElem(hull, i); // do something here, though float* may not be right for your data}
25 Nov 2011 by Jonathan Davies
Regarding false positives have you tried working on the image before calling the convex hull algorithm to try and remove some of the reasons for those false positives?
2 Jul 2012 by Member 9097242
When I try to load the grammar I made programatically I got an error: SAPI does not implement phonetic alphabet selection.My code:Imports System.SpeechImports System.XmlImports System.Speech.RecognitionImports System.IOPublic Class Form1 Dim engine As New...
2 Jul 2012 by Dave Kreskowiak
:WTF: You wired up the LoadGrammarCompleted event (which you don't need and wiredup to the WRONG handler BTW), but not the SpeechRecognized event?? How are you going to get notified that the engine heard something??When you finally get the event handler written and wired up, you can get...
11 Sep 2012 by ronak_ngp
hello friends, I have an tiff image with graph in it I want to do OMR of graph.Please Help
10 Sep 2012 by Manfred Rudolf Bihy
If you are after Optical Mark Recognition you should check out the wikipedia article: http://en.wikipedia.org/wiki/Optical_Mark_Recognition[^]. Have a look at the section "Open Source". There is a list of open source projects that will help you in your quest.Regards,— Manfred
28 Feb 2013 by Doug Swanson
I am totally lost as I try to get into speech recognition!!! help!!How do I prepare my self to compile the .xml file to make a grammar??!!Is the compiler a separate entity that I need to obtain??If I can just do it with the command line what are the commands?(Couldn't sift anything...
28 Feb 2013 by Richard MacCutchan
Did you look at the samples here[^]?
6 Mar 2013 by MJROCKR
hi friends how to make a speech to text conversion application in c# from the scratch.i am newbieto c# so please assist me.-regards mayank
27 Apr 2013 by Member 4611734
I want to develop a software for recognizing a soft drink bottle in an image. I am using visual studio 2010. I am confused whether I should use open CV or Aforge for processing images.. with Aforge i am facing some memory related issues.and I also want to store intermediate processes...
12 May 2013 by sizusuzu
After 5 hrs at downtown with down spirit, i did the first chance exceptions to get a call stack using try-catch block and i came to realize that the images saved to the training set and image captured detected to-be-recognized didn't have the same size. So that was the reason why my program...
18 May 2013 by Sergey Alexandrovich Kryukov
Great then create your own, from scratch. Maybe you can do it much better. I hope you will make it open source.By the way, I wonder how old are you. I mean, you should be young enough, to start right now, otherwise I would worry that your life span would be enough to accomplish that....
21 Jun 2013 by Pham Van An
Hi all,I copied new font files to /Library/Fonts folder on Mac OS. But, i don't know how to the Mac system recognize to that new font.Please tell me if you have any solution and languages.Thanks,An.
21 Jun 2013 by Rajesh Anuhya
See this Linkhttp://www.labnol.org/software/tutorials/install-fonts-mac/1679/[^]Thanks--RA
24 Oct 2013 by Sergey Alexandrovich Kryukov
Ranjan gave you a great idea to keep using C#, which you can use on different platforms with Mono:http://en.wikipedia.org/wiki/Mono_%28software%29[^],http://www.mono-project.com/[^].Here is the thing: it's relatively easy to use native code by a .NET/Mono (CLI) assembly, but using a CLI...
1 Apr 2014 by jy071
Hi, I am Jyoti Yadav. I am working on a project which detects 3D face scans using interest points and local histograms. I am using kinect camera for taking 3D images. I am using Microsoft Visual C# express. To assist me in this project can someone please provide me a sourcecode on a similar...
20 Apr 2014 by Atakan Aktoprak
Hi , I'm trying to write a program.Will be a question.How do I print the name and save face?I made the program codes.Dim cekim As Capture = New Capture Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick Dim resim As...
13 Jun 2014 by Peter Leow
You should post your question at Article-Writing[^]
13 Jun 2014 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)
Please post at Article Writing Forum[^] or Bugs and Suggestion Forum[^].
22 Jun 2014 by Bomz Izecson
I've tried to code a face recognition program and need some help from the community. The code posted below compiled with no error and the recognizer working if the threshold that i set is 0, if i set the threshold > 0 its display Unknown Face definitely. I am using 4 training image for a...
10 Sep 2014 by ali_heidari_
Hi.I am working on a small application for android using xamarin.android and c#, a part of it is listening to user speech!I am using Android.Speech.SpeechRecognizer for this. this is my code :Android.Speech.SpeechRecognizer sp =...
11 Oct 2014 by Afzaal Ahmad Zeeshan
Well, to be generally speaking about Speech, you can always use Microsoft's Speech APIs. http://msdn.microsoft.com/en-us/library/system.speech.recognition(v=vs.110).aspx[^].But as already said, you need to work around on this project, as it is really very hard to find the specific patterns...
2 Nov 2014 by Me is Needer
Hello every one ,i have done my project which is in speech recognition in English language, and i make translate button which translate each word in first richtextbox to Arabic language in secong richtextbox.i have added search button which make highlighting on the word searched and...
17 Nov 2014 by Jami Rocha
Hello! Actually this is my first time to post in codeproject. I hope you can help me out. I'm writing a speech recognition application in C#. I already know how to train the speech recognition and set up the microphone without going to the control panel. Now, my problem is i don't know how...
4 Aug 2021 by Me is Needer
hello everyone, i have done speech recognition app offline by using the speech library which call load grammer method which contains the words in code.but it is not good if the words written in the code , because the english language is huge so it is good to make databasefor all...
20 Nov 2014 by Shweta N Mishra
There are some articles on code project, you may take help from itSpeech recognition, speech to text, text to speech, and speech synthesis in C#[^]Speech Recognition for the Web[^]
12 Jan 2015 by billcodes
Thanks for your reply.But I am not looking for NER tool. I want to know about the practical scope of NER.
14 Jan 2015 by Sergey Alexandrovich Kryukov
Please see my comment to the question.I'm not 100% sure, but it's possible that your expectations are just a bit too high. This is not about APIs but about actual algorithms. Yes, I saw amazingly well-working face detection features, but they mostly just locate the face and calculate the...
6 Feb 2015 by Member 11433863
How do I create my own custome Dictation grammar for use in Microsoft's SpeechRecognitionEngine?Is this even possible ?I would like to add specific words to the Dictation Graamrer
6 Feb 2015 by Sergey Alexandrovich Kryukov
Custom dictation grammar will be no different from a regular grammar: https://msdn.microsoft.com/en-us/library/system.speech.recognition.grammar%28v=vs.110%29.aspx[^].Only it will be too big; and you will need some huge data file with all grammar data (basically, a dictionary with all forms...
15 Mar 2015 by Arkadeep De
Just Google once before you are posting some question.I am providing you just the second link..Speech Recognition for the Web[^]check it...whether it matches your requirement or not.
16 Apr 2015 by Mahmoud M El-Sayed
Hello everyone,I need to recognize images using Android Development and Sift Algorithms or another algorithm .I wanna make application that the user will detect photo with camera and this photo will match with the database and the result will show to him text or other media please i wanna help.
9 Mar 2018 by Member 11600267
_recognizer.LoadGrammarAsync(n...
20 Apr 2015 by Sergey Alexandrovich Kryukov
You are right, it is not accurate. But if you load big grammar, it also makes the recognition inaccurate; the more the grammar the worse. As soon as you have two or more grammar elements with similar pronunciation, the recognition will make mistakes, the more matches like that, the more...
27 May 2015 by ChrisCreateBoss
I'm trying to do a calculator using speech recognition, so it can be managed through voice. So for example, the user says "How much is 56 times 90?", the application should answer "5040". I gave a look to this: https://msdn.microsoft.com/en-us/library/office/hh538500(v=office.14).aspx[^]It...
18 Jun 2015 by nizam qbixx
The HTK result output a result in a form of like this:"*/2.rec" 0 1100000 h -1049.205078 HELLO 1100000 1500000 e -385.533966 1500000 2700000 l -1004.266296 2700000 3500000 l -586.160156 3500000 3800000 o -281.648132 so, as I know, the -ve value (right side) is the log...
16 Jul 2015 by Mohammed Ibrahim.L
These Article May help youVoice Command[^]How to implement voice recognition in C# using speech-to-text[^]
26 Aug 2015 by Member 11785200
how i do convert a sqlserver table to grammar in C# recognition ?for example: var db = new DataClasses1DataContext(); var word = from c in db.Englishes select c; comboBox1.DataSource = word; comboBox1.DisplayMember = "English_Word"; ...
17 Nov 2015 by Ringunger
I'm working on a project that requires to recognize a vehicle from a traffic camera.I tried to use AForge motion detection, but this detects any object that is moving.I need to detect only vehicles by using saved images to compare with the camera image. Is that possible? If yes, how?I...
8 Jun 2016 by N4Narendran
Am enhancing an existing web application (Psychometric Test battery;using Asp.Net,C#,SqlServer)which is already being used by normal users as all of us; now we are enhancing the same for visually impaired personsSo I am thinking to implement this speech recognition in that with existing grid...
23 Aug 2016 by Cryptonite
I recommend the Raspy Pi for what you're trying to do. Spoiler alert! You will have fun tinkering with this board.Best Voice Recognition Software for Raspberry Pi - DIY Hacking[^]And this one is compiled using GCC (which is a C compiler):Adding speech recognition to your embedded...
23 Aug 2016 by Dave Kreskowiak
You're going to have to do you're own research on this, possible even go as far as implementing some of this in hardware yourself.Start reading these[^].
11 Feb 2017 by Richard MacCutchan
This question is far too broad for a Quick Answers forum. You need to do a lot of research on hardware and software before you can even start thinking about the design. Google will find you lots of articles about facial recognition to start with.
17 May 2017 by caf20012
Hi All, I'm having issues with my bejeweled bot picking up colors from my timer which is connected to a picturebox which is allowing me to select the rectangle based on the games location with the following code; Private Sub Timer1_Tick(sender As System.Object, e As System.EventArgs) Handles...
28 Jun 2017 by Pete O'Hanlon
Unless you are using a depth camera, you can't differentiate between a 2D face and a 3D face - you lack the depth information to calculate this.
3 Aug 2017 by Member 12590531
I'm developing Cinema ticket booking with Speech recognition Windows Based Application using c#.I have already used system.speech namespace but found that i should train my system before i can use it. And even after training it, it recognises my speech only. So is there any way to recognise...
3 Aug 2017 by Dave Kreskowiak
What you want doesn't exist. Dragon Naturally Speaking[^] is just about the best speech recognition engine on the market and even it has it's limitations and learns as you talk.
3 Aug 2017 by RickZeeland
Google cloud speech API: Speech API - Speech Recognition  |  Google Cloud Platform[^]
21 Dec 2017 by Member 13588042
,i want to get the input for switch through voice recognition #include #include using namespace std; int main() { string ch; cin>>ch; switch(ch) { case "1": { // do something here } } system("Pause"); return 0; } What I have tried: #include #include...
21 Dec 2017 by Jochen Arndt
The C/C++ switch statement does not work with strings. The condition must be an integral or enumeration type (see switch statement - cppreference.com[^]). But you can use single characters: char ch; cin >> ch; switch (ch) { case '1': // do something here break; } Otherwise you have to...
21 Dec 2017 by Richard MacCutchan
After correcting the error in your code HRESULT hr = CoCreateInstance(CLSID_SpVoice, NULL, CLSCTX_ALL, IID_ISpVoice, (void **)&pVoice); // removed semicoln aftger pVoice it works. You now need to explain what more you are trying to do.
26 Dec 2017 by Richard MacCutchan
See SpeechRecognitionEngine.SpeechRecognized Event (System.Speech.Recognition)[^].
27 Dec 2017 by RASHID ALI786
Solution For Error 1 sre.SpeechRecognized +=new EventHandler(sre_SpeechRecognized); Solution For Error 2 You make "SpeechDetectedEventArgs" method void sre_SpeechRecognized(object sender, SpeechDetectedEventArgs e) ANd you have to make...
15 Mar 2019 by Member 13239997
Hi . I am a student doing a voice-related project with c#. I already used Azure Bing Speech API and Google Cloud Speech API to get people's voice as text. But I also need Azure Speaker Recognition API to identify and verify individual speaker using voice. However, there aren't many...
11 Jan 2018 by debasish mishra
Have you checked below Exploring Microsoft Speech APIs – Les articles des consultants et experts Infeeny[^]
9 Mar 2018 by s/w Ankit
Some online converter is available on internet but nothing is working. Exp. https://www.developerfusion.com/tools/convert/csharp-to-python/ https://www.varycode.com/converter.html both are not working. This is my C# code _recognizer.LoadGrammar(new Grammar(new GrammarBuilder(new...
16 Apr 2018 by Exergist
I'm very close to completing a personal project for modifying the Windows speech dictionary via C# (SAPI 5.4). The last bit I'm working on is how to get the SAPI phone set for a given word. I've found a way to do this via a C# form and spoken recognition obtained through SpSharedRecoContext....
8 Jan 2019 by Richard MacCutchan
There are plenty of tutorials on image recognition that Google will find for you.
21 Feb 2019 by Richard MacCutchan
Pay for it. No one here is going to help you hack a legal website.
21 Feb 2019 by Dave Kreskowiak
Why the hell are you asking us and not the people who own and run that site?
15 Mar 2019 by Member 14137469
Use something else. Microsoft has no code for this and I believe it is a dead end. I have been looking for a good example for 3 years, to no avail. Maybe try AWS. The Alexa has bulldozed anything from MS, Apple, and Google. AWS has got to have MUCH better APIs. I am checking this right now.
27 Mar 2019 by Member 14129828
I work a project in c# about Broadcast Soccer Videos. Which is the best algorithm for video segmentation in real time? which one gives the high speed? What I have tried: There are many segmentation algorithms. I confused, can anyone help me and give me his advice or his opinion?
19 May 2019 by TheRorooo
I am trying to recognize instructions using speech recognition in C#. These instructions consist of a vocabulary of set phrases I know. So far nothing is working the way I need as I need to be able to recognize these phrases when they immediately follow each other in continuous speech. Depending...
17 Feb 2020 by Member 14129828
I want to do and-operation, my csv is 0,0,0 0,1,0 1,0,0 1,1,1 I want to get 2 arrays: input and output array data (input) 0,0 0,1 1,0 1,1 classes (output) 0 0 0 1 I try this code: What I have tried: double[][] input = new double[samples][];...
16 Mar 2020 by Member 13743392
i am working on a face recognition project which will recognize the face and will send sms that who is at the door? So while running the program on terminal the CV2 frame is showing a wrong name and the command terminal recognizing the same face...
3 Nov 2014 by User 9379064
Hello everyone,I'm needing some help with the Speech Recognition thing. I basically put it into an application, that when you press a button, it starts listening to you.The thing is that I can't NEVER abort the BackgroundWorker. It just never ends, and never stops, even thought it can only...
U 23 Apr 2024 by Hatem Mostafa
Artificial Neural Network C++ class with two use cases: Counter and Handwritten Digits recognition
25 Aug 2020 by DaveMathews
Speaker independent speech recognition in Mono and .NET C#
26 Apr 2015 by Thomas Daniels
You don't need a switch statement here to run through all words. The word you append to the textbox is the same as the recognized word, so just append e.Result.Text to your textbox:void recEngine_SpeechRecognized(object sender,SpeechRecognizedEventArgs e){ textBox1.Text +=...