i am working on a software where i want to do some image processing and detect the circle from the image and there is two circles that i want to detect first one is in the object (rough diamond) and the second one is i am drawing on the image or...

.NET

artificial-intelligence

Emgu-CV

image-processing

machine-learning

image-classification

image-recognition

Measurements of Earth's Flatness

1 Apr 2023 by Sergey Alexandrovich Kryukov

How to find out whether the Earth is flat or not? Just use the presented application and a digital camera.

.NET

image-recognition

Is there an API that can recognize images from within a picture of a document?

23 Jan 2023 by Top 10 awesome (Top 10 real facts)

I am looking for a way to extract images from within another image. For example: A picture taken with a phone of a paper that has text at the top, an image of a camera(the image changes), and an image of a qr code, and other random images. Is...

Improving output quality of 'imagechops'

7 Dec 2022 by Apoorva 2022

I've implemented 'ImageChops' to find the difference between 2 images. The differences are pointed out in the output accurately, but the picture lacks clarity. Sometimes the contents of the output overlap. Is it possible to point out the...

Python

computer-vision

image-recognition

Is there an API that can recognize images from within a picture of a document?

11 Nov 2022 by Richard MacCutchan

Take a look at CodeProject.AI Server: AI the easy way.[^].

Multiple Face Detection and Recognition in Real Time

5 Jan 2022 by Sergio Andrés Gutiérrez Rojas

Face detection and recognition with support of multiples faces in the same scene and other interesting features using C# and EmguCV

2D image stitching programs

2 Sep 2021 by Member 15345349

I am running into an issue with simple image stitching. Using a pixel by pixel overlap stitch, I am able to produce a fairly accurate stitch however some of my sub-images have slight vertical deviation (and possible horizontal deviation). Are...

image-processing

image-recognition

2D image stitching programs

2 Sep 2021 by Peter_in_2780

Hugin Panorama is the bee's knees, and the price is right. Hugin - Panorama photo stitcher[^] You could spend a lifetime exploring the tools and features. Great for perspective correction on single images too. Take a photo of something framed...

image-processing

image-recognition

C# OCR Algorithm or Open-source Library

11 Aug 2021 by Hossein_Hadi

I wanna design an OCR program. I'll thanks if you offer any way to design this program(Any algorithm)or if have a strong open source library to do this. Thanks for suggestion.

C#4.0

image-recognition

OCR

How to use yolov3 onnx model for image object detection with microsoft.ml (ML.NET 1.4)

24 Oct 2020 by mx117eva007

Hello, i have a question about yolov3 when i use ML.NET 1.4 for image object detection What I have tried: i study ML.NET sample:https://github.com/dotnet/machinelearning-samples/tree/master/samples/csharp/getting-started/DeepLearning_ObjectDetection_Onnx and modify pipline for yolov3 input...

ML.Net

machine-learning

image-recognition

How to use yolov3 onnx model for image object detection with microsoft.ml (ML.NET 1.4)

24 Oct 2020 by Member 14974057

see How to impelement post-proccesing for yolo v3 or v4 onnx models in ML.Net - Stack Overflow[^]

ML.Net

machine-learning

image-recognition

How to use yolov3 onnx model for image object detection with microsoft.ml (ML.NET 1.4)

5 Jun 2020 by REZIDENT10

.Append(mlContext.Transforms.A...

ML.Net

machine-learning

image-recognition

Where can I get a code for complete local ternary patterns

13 May 2020 by Richard MacCutchan

complete local ternary patterns - Google Search[^]

image-recognition

patterns

How to use yolov3 onnx model for image object detection with microsoft.ml (ML.NET 1.4)

10 Dec 2019 by Member 14685145

Hello, I faced the same issue as you... Did you find a solution for it?

ML.Net

machine-learning

image-recognition

How to save frame as 4 digits

29 Nov 2019 by Member 14129828

I read a video that has 1000 frames then, I want to save these frames from number 0000 to 1000. I did my code but save the frames from 1,2,3,....1000 how to make all of them have 4 digits, I mean starting with 0001,0002,0003,....1000 Can anyone give me an idea because I don't find anything about...

image-processing

image-recognition

How to save frame as 4 digits

29 Nov 2019 by phil.o

You could try framenumber.ToString("0000") Custom numeric format strings[^]

image-processing

image-recognition

How I can track a sequence of image

19 Oct 2019 by RickZeeland

If you want to work without a camera and only with files, use this as the first line in your code: #DEFINE FILE_CAPTURE You probably also need this line: ImageStreamReader videoCapture; Also see: #define - C# Reference | Microsoft Docs[^] And: Introducing Portable Imaging IO Library for C#[^]

tracking

image-processing

image-recognition

How I can track a sequence of image

19 Oct 2019 by Member 14129828

I want to track 265 Sequence images which saved in "D:\\Resources\\Sequence" I get warning that videoCapture is never assigned to, and will always have its default value null...and when I run it I get this message " "Cannot find any camera!" "...I don't know how to solve this problem..could...

tracking

image-processing

image-recognition

How to read videocapture using dotimaging

17 Oct 2019 by Member 14129828

I try to read a sequence of images to do some process. I don't have any error but when I run it the program stop and gives the error "An unhandled exception of type 'System.AggregateException' occurred in mscorlib.dll" and told me that frame is null...I searched about DotImaging but I didn't...

image-processing

image-recognition

How to detect a small white ball?

9 Oct 2019 by Member 14129828

I want to detect a small white ball using "HoughCircles", I have code which detects a red ball. I don't know how to change the color to white, because I don't understand the command " InRange" and how make it detect a very small ball? What I have tried: mainImage = new Image

image-processing

image-recognition

How do I find five smaller shapes

25 Sep 2019 by Afzaal Ahmad Zeeshan

A simple answer would be, list the shapes with their area, and then sort them in descending order based on their area, finally get the top 5. Also, like Bill had mentioned in the comment, you can ignore the Dictionary, and use SortedDictionary[^]. That will sort the data automatically for you...

image-processing

image-recognition

How do I find five smaller shapes

25 Sep 2019 by Member 14129828

I try to find the five smaller shapes among many shapes but my program doesn't work well, can you tell me where is the problem What I have tried: Image imgOutput = imgInput.Convert(); binary = new Image(imgInput.Width, imgInput.Height, new...

image-processing

image-recognition

How to build android user registration application using face recognition

6 Jul 2019 by James.Read(JR)

I trying to build a android mobile application for user registration using face recognition. I tried Firebase ML Kit's face detection API to detect face, but I need to build a application like this... 1.Open the front camera through the app 2.When keep face centered, app need to detect face and...

Android

image-processing

image-recognition

How to build android user registration application using face recognition

6 Jul 2019 by Richard MacCutchan

This is a research question, see https://www.codeproject.com/KB/android/[^]

Android

image-processing

image-recognition

C#. How to capture RTSP H264(H265) from camera like image (jpeg or bmp)?

18 May 2019 by EvidenceR

I need to recognize images from camera 10-20 images per second Is there any free API or solution to capture image? What I have tried: Afforge SDK cannot load rtsp and hikvision sdk return only 1-2 images pers second

JPEG

image-recognition

C#. How to capture RTSP H264(H265) from camera like image (jpeg or bmp)?

18 May 2019 by RickZeeland

You can try the free and open source iSpy software: free-video-surveillance-software~ispy[^]

JPEG

image-recognition

Keras UI: A GUI to Manage Image Classification

13 May 2019 by Daniele Fontani

A tool for managing CNN training built on django helps to understand image classification

How to convert my image to data?

30 Apr 2019 by MadMyche

You may want to read up on the chapter of Emgu CV discussing working with images here: Working with Images - Emgu CV: OpenCV in .NET (C#, VB, C++ and more)[^] Quote: Unlike the Image class, where you will need to pre-allocate memory with the correct size before passing it as an IOutputArray,...

image-processing

image-recognition

How to convert my image to data?

30 Apr 2019 by Member 14129828

I want to use kmeans image segmentation by using emgucv. I want to split the image into 3 clusters depend on the color...how can I do that? can anyone give me the advise for starting...pls What I have tried: I saw this code public static double Kmeans( IInputArray data, int k,...

image-processing

image-recognition

Applying Long Short-Term Memory for Video Classification Issues

30 Apr 2019 by Apriorit Inc, Semyon Boyko

The approach that allows you to make a neural network analyze the current frame while remembering the state of previous frames

artificial-intelligence

Big Data

3 Apr 2019 by Mahsa Hassankashi

It is almost everything about big data.

Python

hadoop

artificial-intelligence

Action Detection Using Deep Neural Networks: Problems and Solutions

22 Mar 2019 by Apriorit Inc, Vadym Zhernovyi

Learn more about the challenges we faced with dataset preparation and network configuration, and how these problems can be solved.

artificial-intelligence

How to Use Google Colaboratory for Video Processing

7 Mar 2019 by Apriorit Inc, Semyon Boyko

How to use this Google service and the free NVIDIA Tesla K80 GPU to achieve your own goals in training neural networks

artificial-intelligence

Improving the Performance of Mask R-CNN Using TensorRT

10 Dec 2018 by Apriorit Inc, Vadym Zhernovyi

The experience of improving Mask R-CNN performance six to ten times by applying TensorRT

CUDA

artificial-intelligence

How to recognize images into others images in java

27 Oct 2018 by Richard MacCutchan

Google for “Java image identification”.

Java

OpenCV

image-recognition

How to recognize images into others images in java

27 Oct 2018 by Member 14030816

I have to do an application (at the University) which recognize images into others images on Android, in Java. I take the images from phone's camera and I have to know if in the taken photo there is one of the images that I have in a database. (For example I take a photo of a table, on the table...

Java

OpenCV

image-recognition

Is there a way to stitch 16 bit images

17 Jul 2018 by anup.bhunia

I am not expert in this matter, but seems your case is rare, if it is scanned raw bitmap, you can directly go for create your own stitched bitmap(which is not very hard), may refer to; A Beginners Guide to Bitmaps[^] But if you already have a compressed file, i think you cant avoid loosing...

Is there a way to stitch 16 bit images

17 Jul 2018 by R. B. Krish

Hi guys, I am working on an image stitching project which requires two 16 bit gray-scale images to be stitched to a single image. But that's what the problem is? Problem You know that there is no proper libraries (at-least in opensource I think) which can stitch 16 bit images and without any...

Is there a way to stitch 16 bit images

17 Jul 2018 by #realJSOP

Well, there's an app that does it: Image Composite Editor - Microsoft Research[^]

How to read/write output of "hog.processimage(img)" from catalano libraries. It is stored in "arraylist<double[]> ".

8 Jul 2018 by Member 13854354

I used "hog.ProcessImage(img)" from the catalano libraries and stored the result in "ArrayList ". Now i want to display the content stored in the array list as well as write it to a .arff file (weka Classifier) to use the hog features for recognition. When i use print with the array...

Java

image-recognition

Detect color of particular area of image

16 Nov 2017 by The Prateek

I'm trying to write code to detect color of particular area of image. So far I have come across is using opencv, we can do this, But still haven't found any particular tutorial to help with this. I want to do this with javascript, but I can also use python opencv to get the results. can anyone...

What is best development environment for image processing

30 Jul 2017 by ziad imad

Using MATLAB is good since it got too many great features to work with image processing. So if you are comfortable with MATLAB, it is a good choice. Also C++ is fast when working with image processing.

What is best development environment for image processing

29 Jul 2017 by Hassaan_Malik

Hye. I am desirous to work on image processing. I have gone through several blogs and website and i have found equal votes for MATLAB and PYTHON. Now I have confused that what would be the best development technology for academic project. Looking forward for suggestions.Please help me. What I...

What is best development environment for image processing

29 Jul 2017 by RickZeeland

Matlab has a disadvantage: it's not free. So if you would like to go the open source way I would recommend C++ (for speed) in combination with the OpenCV library: OpenCV library[^]

Camera shot : real face picture ..or picture from a previously captured photo?

28 Jun 2017 by micmdk

I work on a facial recognition program by taking a facial image from a mobile camera... the problem is that the user can take a picture from the camera and not a picture of his real face Is there a way to know that the captured image is "real" and not a picture from a previously captured photo?...

Camera shot : real face picture ..or picture from a previously captured photo?

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.

Image Recognition with C# and Emgu Libraries

16 May 2017 by Emiliano Musso

Develop a simple application to search into a list of images for the one containing a smaller portion of the original one, graphically showing the points of intersection between the two

Image recognition in C#

5 Mar 2017 by victor cortorreal

hi everyone reading this.first of all im not a pro, i just code for fun. well the thing is that i wanna make a new project that involve image recognition, nothing hard just an app that take an image and try find for an other image inside the last one for example: try to find an icon in a...

screenshot

image-recognition

Image recognition in C#

5 Mar 2017 by Patrice T

Quote:image recognitionAs I understand it, 'image recognition' is more like finding a face or a car in a real life picture.So, I am not sure the wording "image recognition" fit to your need.Your request is finding a small picture (icon) in a large one (screenshot) is a vastly simplified...

screenshot

image-recognition

Image recognition in C#

5 Mar 2017 by Garth J Lancaster

well, if I were you I'd have started with good old Google, for 'c# image recognition'. Being me, I already know of 2 libraries that may helpOpenCV (using Emgu CV wrapper) : Emgu CV: OpenCV in .NET (C#, VB, C++ and more)[^] AForge : AForge.NET :: Computer Vision, Artificial Intelligence,...

screenshot

image-recognition

Image recognition in C#

5 Mar 2017 by Dave Kreskowiak

Image recognition = NOT easy in any respect.Google for "Aforge". It can handle the heavy lifting of image recognition for you, though you're still going to have to do a considerable amount of work to get it going.

screenshot

image-recognition

How to extract barcode and finger print from a image

22 Feb 2017 by peterkm

Hi,Concerning barcodes, about 2 years ago I found this open source C# library (zxingnet) [^]Perhaps this suits your use case (I remember it was quite well structured and a test app in C# was included...)

image-processing

image-recognition

How do I real time face and eyes tracking in C# aforge, does it support?

14 Dec 2016 by Member 12752611

Please Guide me: I am going to make my Final year project in image processing using the concept ofreal time video processing. Project will contain the following Task:capture the video in real time.track the face and eyes pupal in real time.if eyes are closed then alarm.What I...

Face Alignment According to Eye Position in Emgu CV

17 Sep 2016 by Rajesh Londhe

Face alignment rotation to improve face recognization

Image complexity determination system

24 May 2016 by Member 12541329

hi to everyone .Image Complexity Determination System is my licence project, and I have no idea how to make the program. someone can help me\?What I have tried:i dont know how to make this program

Image complexity determination system

23 May 2016 by Dave Kreskowiak

You start by first defining EXACTLY what you mean by "Image Complexity Determination System". What exactly does a "complex image" mean? Compared to a "simple image"? What algorithm(s) are you going to come up with to determine this arbitrary "complexity"?That's about the only help you're...

Opencv:color detection for particular region

18 May 2016 by Member 12530798

I want to have a color detection for a particular region in a video.Afterwards, I want to check whether the brown color within the box is greater than threshold. If yes, the program print "detected".How can I only detect the color within a specified region?What I have tried:For...

Python

OpenCV

image-recognition

How to use bitmap arrays to read & store photos in a specific path

30 Apr 2016 by Mujeeba Haj Najeeb

Hi everyoneI'm working on an image processing project these days.everything seems to be working effectively but suddenly it stopped.I don't know what the reason is because it was successfully working before.The idea is that I want the user to open a text file where some information we...

image-recognition

image-processing

patterns

How to use bitmap arrays to read & store photos in a specific path

30 Apr 2016 by OriginalGriff

Start with the debugger: change that slightly so it's easier to debug:string path = dir + "\\" + strs[0] + ".jpg";Weapons_imgs[i] = new Bitmap(path);And place a breakpoint on the second line.Run your app and when it reaches the Bitmap constructor it will stop. Look at the value in...

image-recognition

image-processing

patterns

Opencv haar training parameters : mode & symmentry

4 Mar 2016 by Prakash1206

I am using Opencv 3.0Before beginning training i wanted to set 'mode' parameter to 'all'below is the command line argumentC:\OpenCV\build\x64\vc12\bin\opencv_traincascade.exe -data cascade -numStages 20 -vec samples.vec -bg NegativeSet.txt -precalcValBufSize 3750 -precalcIdxBufSize 3750...

How Can I Compare To Diffrent Image Of Face And Recongnize ?

8 Oct 2015 by phil.o

If only there were some articles on face recognition[^] available.If you want to deal with face recognition, you have to understand the subject itself, not just a bunch of variables from a code obtained from anywhere.And knowledge is the daughter of research and study.

C#5.0

image-recognition

How Can I Compare To Diffrent Image Of Face And Recongnize ?

8 Oct 2015 by Member 11915316

how can i compare two image and recongnize the almost simmilar image.actually i would use this code for face recongnition..eigenfaceobject recongnizer needs array to save images compulsory...but i need single recongnition....here is a code i have found ...can anyone explain this...

C#5.0

image-recognition

How the hex values in an image file is used to form an image?

10 Jul 2015 by Sergey Alexandrovich Kryukov

There are no "hex values" in image. Values cannot be decimal or hexadecimal, they are binary. "Decimal" or "hexadecimal" could only be some strings representing numbers, but not numbers themselves. And the image pixels are based on those bits. The particular representation depends on such thing...

image-processing

hex

image-recognition

How the hex values in an image file is used to form an image?

10 Jul 2015 by Dave Kreskowiak

The meaning of the various hex values in an image file depends entirely on the format of the file.No, a 500x500 pixel image is probably NOT going to have 250,000 bytes in it. It's possible that the image data may be 250,000 bytes, but chances are good that it may be more or less. This is...

image-processing

hex

image-recognition

How the hex values in an image file is used to form an image?

10 Jul 2015 by BijoyJoseph

Does the pixels in the image represents different colors which when arranged in some manner forms a meaningful image? If an image has a resolution of 500x500 pixels then does that mean the image file has 10000 hex values in it with each hex values representing different shades of colors? How a...

image-processing

hex

image-recognition

Android Image Recognition Using SIFT Algorithm

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.

C# OCR Algorithm or Open-source Library

3 Feb 2015 by Xiao Ling

Open source library? I'll choose Tesseract OCR Check the .NET wrapper for tesseract-ocr:https://github.com/charlesw/tesseract[^]You can also read the article How to Build Tesseract OCR Library on Windows[^] to get familiar with the library.

C#4.0

image-recognition

OCR

C# OCR Algorithm or Open-source Library

2 Feb 2015 by Liju Sankar

Hi Hossein_Hadi,Please check the following links A C# Project in Optical Character Recognition (OCR) Using Chain Code[^]Open Source OCR SDK 1 : tesseract-ocr (code.google.com)[^]Open Source OCR SDK 2 : GOCR (sourceforge.net)[^]Similar thread in Code Project : Best Open -...

C#4.0

image-recognition

OCR

Exception in thread "main" java.lang.IndexOutOfBoundsException

27 May 2014 by Mohd Akram

there is a problem in your loop initialization ....it should be like ....for (int i = 0; i

Exception in thread "main" java.lang.IndexOutOfBoundsException

27 May 2014 by Sergey Alexandrovich Kryukov

Most likely, the linefor (int i = 0; i

Exception in thread "main" java.lang.IndexOutOfBoundsException

27 May 2014 by Bebo_1

I am trying to get rgb values for specific pixels "interest points" for (int i = 0; i

EMGU Multiple Face Recognition using PCA and Parallel Optimisation

26 May 2014 by C_Johnson

Using EMGU to perform Principle Component Analysis (PCA) multiple face recognition is achieved. Using .NET Parallel toolbox real time analysis and optimisation is introduced in a user friendly application.

Measuring the physical distance between two points on an image (OPENCV)

4 May 2014 by Legor

You can't just directly calculate the distance between two pixels in real world units. You will need some more information which may be obtained in several ways: - Considering the person is passing the camera almost horizontal (not walking away from or up to the camera) you may use the...

Measuring the physical distance between two points on an image (OPENCV)

2 May 2014 by Abhinav S

This thread[^] might be useful to you.Try this[^] thread as well.

Measuring the physical distance between two points on an image (OPENCV)

2 May 2014 by suramrit

As a requirement for a project, I need to find the walking step distance taken by a person, whose image while walking has been acquired.I have acquired a binary silhouette of the person using background subtraction and now need to calculate the actual physical distance of the step.Is there a...

How to calculate Gradient of an image in C# ?

24 Apr 2014 by Joe Aduaka

Like SA nicely explained, you cannot say "gradient of an image" unless you specify other parameters.For example, you might want to calculate the gradient along a certain path or straight line. Working with such lines is possible if you get all the pixel data along that line then analyze the...

.NET

image-processing

image-recognition

suggestions for project idea

6 Mar 2014 by Sergey Alexandrovich Kryukov

Thank you for answering my question.Maybe you don't have sufficient university culture. At my time, we took the most ideas from fellow students of different specialties as we communicated a lot on different scientific topics and exchanged a lot of interesting ideas, discussed out problems,...

image-processing

image-recognition

suggestions for project idea

6 Mar 2014 by Esraa Saady

hello everyone :)i'm a fourth year student at ITE, artificial intelligence department, and now we have to do a project in my department.we want to work with human section or medical section.there is a lot of projects in that domain, for example discoverer Cancerous cells in brain using...

image-processing

image-recognition

How can I find the robot soccer field feature's like L and T ?

4 Mar 2014 by hor_313

HiI want to find the humanoid RoboCup soccer field features like corner lines that have a shape like"L" and the corners of field's center line, that have shape like"T".Which method and algorithm is good for thet? Is there any article's about it?

OpenCV

image-recognition

What are the Available Object Detection Algorithms ?

16 Jan 2014 by Peter Leow

Check this out:mathworks-object-detection[^]

image-processing

image-recognition

What are the Available Object Detection Algorithms ?

16 Jan 2014 by Pixel86

Hello all,What are the Available algorithms which is used for Object Detection ?

image-processing

image-recognition

Silver Object Detection

25 Dec 2013 by mohammadali1375

Hi.I want detect the silver objects in different places like this Canister in this picture : http://8pic.ir/images/87258923242677915413.png[^]whats the best way to do this with open cv ?

OpenCV

image-processing

image-recognition

Silver Object Detection

25 Dec 2013 by Peter Leow

If I understand you question correctly, you are working on a machine learning project and part of the objective is to detect objects of silver materials, say silver ball, silver spoon etc. However, before you can do that, you have to train your machine to differentiate objects of different...

OpenCV

image-processing

image-recognition

final year project help as SE....

2 Dec 2013 by Sergey Alexandrovich Kryukov

I actually have some idea, but the main one: such idea is only valuable if it's your own. So my ideas is on how to look for such ides. The key here is: the best software is written for yourself. So, think about what you or your friends and relatives may use. First of all, think about such thing...

final year project help as SE....

2 Dec 2013 by OriginalGriff

That isn't a question that we can answer in a small text box - we have no idea of your skills, interests, course, or what the college will accept as a "suitable subject".Talk to your tutor - he will be used to it - if nothing else he should be able to give you some ideas as to what is and...

final year project help as SE....

2 Dec 2013 by eng_fahmi

Hi guys..I am a software engineer student in my final year..I need your help please.I need a good and new project's ideas for my graduation project..please anyone help me.?

ocr in image processing

26 Oct 2013 by baliram bhande

can any one suggest me how we can detect overlay from image.suppose i have First image .after i can create overlay on First image .we saw only one above image how we can see bellow image.sorry for bad english

Java

image-recognition

barcode reader in java

15 Oct 2013 by PeterTeoh

It all depends on the library where you get your code from:Here below is from Maven:http://grepcode.com/file/repo1.maven.org/maven2/com.lowagie/itext/2.0.1/com/lowagie/text/pdf/BarcodeEAN.javaSimilar to your code above, it has "setCode()" API (see the left frame windows and click on...

Java

image-recognition

barcode reader in java

15 Oct 2013 by baliram bhande

public class imagetotext1 { public static void main(String[] args) throws Exception { BarcodeEAN codeEAN = new BarcodeEAN(); codeEAN.setCodeType(Barcode.EAN8); codeEAN.setCode("4902555131719"); Image image =...

Java

image-recognition

java image authentication

13 Oct 2013 by walterhevedeich

There are actually many libraries that you can use for image processing. Some of them are below.ImageJ[^]OpenCV[^] and JavaCV[^]

Java

image-recognition

java image authentication

13 Oct 2013 by baliram bhande

how can i provide authentication on image in java ?

Java

image-recognition

How to build an app that can read text and images using a camera?

28 Sep 2013 by ridoy

Check it first:Getting text from image on ios (image processing)[^]and then also the problem behind it and the solution:Why Tesseract OCR library (iOS) cannot recognize text at all?[^]

How to build an app that can read text and images using a camera?

28 Sep 2013 by Member 10255303

I am working on an iOS application and I need to find some information about building an app that can read text and images using the camera. I am looking for good resources that either have tutorials for doing something like this or any answers that could help mentor this type of process. I also...

How to calculate Gradient of an image in C# ?

16 Aug 2013 by User 59241

This can be done with OpenCV using the Sobel function.http://docs.opencv.org/doc/tutorials/imgproc/imgtrans/sobel_derivatives/sobel_derivatives.html#sobel-derivatives[^]OpenCV has a number C# wrappers available for example:http://www.emgu.com/wiki/index.php/Main_Page[^]I take...

.NET

image-processing

image-recognition

How to calculate Gradient of an image in C# ?

16 Aug 2013 by Sergey Alexandrovich Kryukov

My addition to the Solution 1:In my comment to it, I explain why this is not the solution, but this is rather your fault than the fault of pwasser. To understand the Sobel operator, please see: http://en.wikipedia.org/wiki/Sobel_operator[^].Refer to my explanations of the problem in...

.NET

image-processing

image-recognition

How to calculate Gradient of an image in C# ?

16 Aug 2013 by Sergey Alexandrovich Kryukov

Please see my comment to the question.Here is the problem: even though you can create an image with any predefined gradient, easily, you cannot generally ask a question "what is a gradient of a given image?". It takes some understanding, what a gradient is. A gradient cannot be a property of...

.NET

image-processing

image-recognition

How to calculate Gradient of an image in C# ?

16 Aug 2013 by nagraz.a

Hii..I want to know how to calculate gradient of an image in c# using any filter. Please help me.

.NET

image-processing

image-recognition

Image recognition to extract various shapes from screen

2 Jun 2013 by Christian Graus

Any image processing I've ever needed to do, I searched for SIGRAPH[^] as well as my search terms, and found a paper that explained the math, then I wrote the code from there. This is a pretty vague request, I'm not sure how much more anyone can help you, unless someone knows of an existing...

image-recognition