You can create an image, and then simply write text onto it. I wrote an article that demonstrates how to write text onto a bitmap. You may be able to adjust the code for your purposes.Render Text On A Bitmap (and other stuff)[^]

text

image-processing

image

Screen and Grain effect for image,( to get dots over image)

8 Dec 2011 by #realJSOP

A little google goes a long way:http://www.gutgames.com/post/Adding-NoiseJitter-to-an-Image-in-C.aspx[^]EDIT ===============================You voted my answer a 1 because you don't want to do the work necessary to accomplish your goal? Rightie-oh, then...Here's more than 3.8...

GDI+

image-processing

How to soften edges with feathering in C# like photoshop

25 Oct 2016 by #realJSOP

Maybe this will help:Image Processing for Dummies with C# and GDI+ Part 2 - Convolution Filters[^]

Windows

image-processing

Image.save - the parameter is invalid.

14 Jan 2018 by #realJSOP

I'm starting with a stream that represents an image, and drawing it onto a larger image. To do this, I wrote an extension method for MemoryStreams. When I try to save the image into a new stream, the code is throwing "Parameter is not valid" exception. Facts: - The stream on which I'm calling...

image-processing

Image.save - the parameter is invalid.

14 Jan 2018 by #realJSOP

Nevermind. I did it without streams and everything I want to happen is happening.

image-processing

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 decrease size of image and descrease the amount of images per second using AForge

21 Apr 2014 by 123456789igor

So, i try to save image on disk from web camera using AForge. But the image takes a lot of size on disk and amount of images is high. I want to descrease the size of images and descrease the amount of images per second(minute). But i don't know how to do thisMain code:public void...

image-processing

webcam

how to convert byte [] to image

13 Mar 2011 by _Ares!!!

You should keep image in the BLOB format. Probably, you do something wrong when you put image into database...

image-processing

errors

How to create and write output of program to a file ?

3 Mar 2014 by _Asif_

instead of writing int values convert it to text and then save it like this. The problem here it is being written as binary format. w.write((pt.x.tostring());

Java

image-processing

image

How to make PNG image with white background transparent using C#

5 Apr 2016 by _ProgProg_

Dears,I am developing a page to upload users signatures with rules that:*Image must be PNG.*Image size must be no more that 4 MB.Now, i want to make the uploaded photo transparent by code if the user didn't make it transparent.Is that is possible? if yes, How?Thanks in...

Best Languge for Image Detection

29 Dec 2012 by A-s-h-l-e-y

Microsoft offer the Kinect Labs SDK for windows. It works in visual studio so c# or ++. Im assuming this is what you mean.

VisualC++

C++

image-processing

How to open image in C# and convert to binary and show it on the form?

20 Oct 2013 by a7med ssss

Hi,, How to open image in C# and convert to binary and show it on the form??

image-processing

Matlab 7.12.0 not recognize imshow in image processing

22 Apr 2012 by aasharma

go to directory where is image file say abc.jpg.>>I=imread('abc.jpg');>>save I>>imshow(I);Done.

image-processing

MatLab

Negative avg values yolo segmentation

1 May 2019 by abdou_31

I have setting up a project that should detect iris region ( in eye ) in real time using deep learning , I have cloned yolo segmentation project in github : https://github.com/ArtyZe/yolo_segmentation I compiled the project using make -j4 , and i'm trying now to training my own dataset using...

How to soften edges with feathering in C# like photoshop

25 Oct 2016 by Abdul Amin Khan

I want to create a feathering feature on images like photoshop in C#:http://www.dummies.com/software/adobe/photoshop/how-to-soften-edges-with-feathering-in-adobe-photoshop-cs6/What I have tried:Image Background is working fine but not able to do feathering of images

Windows

image-processing

C# Image Content Modification and Save with input configurations

18 Jun 2015 by abdulsafran

Dear Experts, below is my code. I'm saving an image with add some contents to the image from DrawString. My problem is, once I saved the image, CMYK become RGB, image size is different, image dpi is different. Like that several input image configurations were changed.I just want to keep the...

C#3.5

image-conversion

image-processing

Head detection in a crowd from an image

1 Nov 2013 by Abe-r

...I have a project that should be able to count the people present in a crowd from an image. I have tried using traincascade but it detects many false objects. Could you give me another approaches that I could use, I only have few time left so please help me.

image-processing

Background Subtraction in Emgu Cv C#

7 Nov 2013 by Abe-r

How can I make the background of an image black and all the objects present are white? I have tried the AbsDif and thressholding its result but it considers the lighting very much.Here is the sample image :...

image-processing

Emgu-CV

WPF Image Processing capabilities

8 Feb 2011 by Abhinav S

You might find this blog[^] interesting.

WPF

image-processing

applying undo and redo functions on button in c# .

20 Jun 2011 by Abhinav S

This s[^] has an undo implementation. You could consider using the logic behind this.

image-recognition

image-processing

image

Comparing Images using vb.net

26 Nov 2011 by Abhinav S

This[^] might help you.

image-processing

Bitmap

Image Recognition Program,,,?

20 Mar 2013 by Abhinav S

TryContour Analysis for Image Recognition in C#[^]Image Recognition with Neural Networks[^]

image-processing

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.

Difference in Brightness .GetPixel(x,y).GetBrightness() vs. .LockBits Method

12 Oct 2015 by Abhinav S

You are missing the alpha content.int Blue = currentLine[x];int Green = currentLine[x + 1];int Red = currentLine[x + 2];int alpha = currentLine[x + 3]; //Alpha That could be making a difference in your final output.

image-processing

store and comparison of hand gestures

2 Jan 2013 by Abhishek Pant

Hands Gesture Recognition[^]

image-processing

How to process video frames in different thread

3 Apr 2015 by Abhishrek

Hello Everyone,BackgroundI am working on an application that requires some image-processing on video stream and display the original video and processed video side-by-side.SitutationBelow is the event handler when a new frame is received from camera.pictureBox1is where the original...

.NET

image-processing

video

How to process video frames in different thread

7 Apr 2015 by Abhishrek

I solved the problem myself using background worker. Posting here for reference.private void camera_NewFrame(object sender, ref Bitmap image){ pictureBox1.Image = image; if (backgroundWorker1.IsBusy != true) { lock (locker) { if (inputImage !=...

.NET

image-processing

video

How to determine curve points in OpenCV contours

3 Aug 2015 by Abhishrek

Hello everyone,For an image processing project (with OpenCV), I need to find curve points in a contour (List of Points)The contour is extracted from real life images by :Color Filtering -> Threshold Binarization -> Contour Extraction(These processes use OpenCV functions)In the...

How to determine curve points in OpenCV contours

5 Aug 2015 by Abhishrek

Hello EveryoneI studied a bit and found that taking the first order derivative of the contour (for x and for y separately) can solve this problem.The first order derivative is used to find Local Maxima and Minima. On the curve points the value of the first order derivative changes from...

How to convert edge curve to a list of points

9 Oct 2015 by Abhishrek

I have an Image and I am applying an edge detection algorithm (Canny) to it.I get the edges in image but for my work I need to get the detected edges as a list of points, specially the ones that are connected. (list of contours), in order to perform meaningful operations on the detected...

C++

image-processing

OpenCV

What does the Operator 0 and 1 do in MorphologyEx() function of OpenCV

24 Oct 2015 by Abhishrek

Hello all,I was writing a code with MorphologyEx() function of OpenCV, when i mistakenly gave value 0 to 'Morphology Operator' parameter of the function.As can be seen in the function specs [^], the Operator value ranges from 2-6 for Opening, Closing, Gradient, Top, Bottom hat operations...

C++

image-processing

OpenCV

The output image after cropping is larger than the original size

31 Dec 2012 by Adam R Harris

Read over this, your answer is in there.Cropping Images[^]

image-processing

how to save a bitmap object(bmp) as a imge (png or jpeg) using c#

22 Jan 2014 by Adi5555

its easy to convert the image format but i want to save the bitmat object as a png extention image or jpeg extention image....so need ur help

image-processing

Convert 2d Image into 3d in asp.net

4 Jan 2013 by Aditya Magotra

Hi,How to Convert 2d Image into 3d in asp.net ?Please help me.

ASP.NET4

image-processing

Open source Image editor control for asp.net

23 Jan 2013 by ADotNetDev

Hello, I want to create image editor in asp.net so I am looking for open source image editor control for asp.net. It should work like MS paint which provides add/ edit/ delete text and other images. So can any one help me in this?I search on Google and found some of the image editors but I...

ASP.NET

image-processing

image

Image Draw in c# of type 48bpp

30 Nov 2013 by Afnan_

I'm trying to draw a grayscales image of type 48bppRBG pixel format.I have an array/list of ushort values. These values are the pixels values. So each color(R, G ans B) will have the same pixel value, since it's a grayscale image. In an 24bpp type, these values are scanned then converted to...

image-processing

image

image scanning application

8 Sep 2014 by Afzaal Ahmad Zeeshan

Google is a good friend of yours, you can always find a solution. If you just try to search for, "scan images c#" google would return the best threads that have the solution to your problem.I did the same, and a CodeProject solution, posted in the comments, was achieved. Scan and Save Images...

.NET

image-processing

Read / display images file

31 Aug 2016 by Afzaal Ahmad Zeeshan

Do you know what image formats[^] actually are? C++ language won't be that much easy to work with in this case. That is why it is always recommended to use a library instead of writing it from scratch. Libraries would let you work with many formats easily. To get an idea of how hard things can...

How to draw a line around detected face in a picture?

14 Jan 2019 by Afzaal Ahmad Zeeshan

A face is detected as a rectangular area bounding the face. What you need is an edge detection algorithm, that detects the bounding areas from the edges and then you clear the internal pixels and get a mask. You can mix the face detection and edge detection algorithm to first find a bounding...

image-processing

Emgu-CV

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

Python H5PY ioerror: unable to open file… error message = 'no such file or directory'

10 Jul 2019 by Agit Çelik

Please help me this is urgent.! By the way I am using Window 10 x64 I am getting error while data_loc = os.path.join('data', 'datasets', data_code + '.hdf5') data = h5py.File(data_loc, 'r') I run 'python train.py fcn_rffc4 brats_fold0 brats_fold0 600 -ch False' command Error is shortly,...

Secret image path in WebForms application

17 Jun 2014 by AhmadAhsan

Hi I am using Visual Studio 2008 (.NET framework 3.5), currently I am uploading images to my ASP.NET webforms application in c#. If some one copies my image url and opens in new window/tab then complete directory structure of my site is revealed to the user, some thing like...

Calculate Area And Perimeter

2 Mar 2013 by Ahmed Dheyaa

Hi every One , I Need to Calculate Area And Perimeter Of Objects in gray image. Can anyone help me ? please.

image-processing

How to insert image in excel 2007 based on ID or NO ?

7 Mar 2017 by ahmed_sa

I work in windows form application c# vs 2015I can insert data in excel but image cannot insert when insert another data i using System.Data.OleDb.OleDbCommand excelCommand = new System.Data.OleDb.OleDbCommand("INSERT INTO [AllPrinting$](UserID,UserName,Country,Member) VALUES (?,?,?,?)",...

image processing in visual c#

15 Apr 2013 by ahmedmeg

hello everybody;i want a simple code in visual c# to read an image ,i mean convert an image into an array(r,g,b) simply in order to deal with it later using image processing algorithms.i want this code to teach it for my student , it is very simple in vb6.so please help me... thank...

image-processing

Convert Palette image to RGB byte buffer

26 Sep 2012 by Ajesh Kumar.T.T

Is any algorithm available for converting palette image buffer(including bitmap information) to RGB buffer. c++

image-processing

Convert Palette image to RGB byte buffer

27 Sep 2012 by Ajesh Kumar.T.T

I solved this problem as shown below:ULONG ulPixelDataSize = Height * Width * 3;RGBQUAD* pRGB = new RGBQUAD[nNumColors];// Color table filled in pRGB.BYTE* pbyPixelData = new BYTE[width * height];// Pixel data filled in pbyPixelData.BYTE byNewSamplesPerPixel = 3;BYTE* pbyRgbBuffer...

image-processing

How to crop an image that is zoomed(zoomed in/out)

2 Mar 2012 by ajit_machhe

from my point of view...A WPF Custom Control for Zooming and Panning[^]please refer the above link. solution to you problem from my view would be like >>select the rectangle to crop. then save the cropped image then resize the iamage as per your requirement(zoom percent)....

C#4.0

image-processing

image

How to crop an image that is zoomed(zoomed in/out)

14 Feb 2012 by akul123

How to crop an image that is zoomed(zoomed in/out). Cropping works fine when the image is normal, that is not zoomed. I have used a panel whose AutoScroll property is true and a picturebox inside the panel whose sizemode property is AutoSize and BackgroundImageLayout is Tile. Load image: ...

C#4.0

image-processing

image

Brightness method shows "Out of memory" exception

10 Apr 2012 by akul123

To change brightness of an image in c#.net 4 i have used the following method. public void SetBrightness(int brightness) { imageHandler.RestorePrevious(); if (brightness 255) brightness...

C#4.0

image-processing

Out of memory exceptions

23 Apr 2012 by akul123

For some days I have been trying to optimize an image processing program (cropping, rotate, changing brightness and undo) written in c# 4.0. Getting suggestions from google I have optimized the code in many ways. At first some disposable objects hadn’t been disposed that’s why exception was...

C#4.0

image-processing

Compared pixel after pixel to compare two picture

3 Apr 2011 by alaa cs

what is algorithm to compare two picture???after filtration tow picture ,how do compare???

image-processing

how to convert byte [] to image

11 Mar 2011 by Albin Abel

As Original Griff said it is not sure what is there in the byte array. The byte array has to have all the bytes from the file as such if you haven't re dimension or any other header parameters changed by your code. Not just the pixel values.

image-processing

errors

Easy to Use AntiBot

28 Sep 2011 by Alexander Chernosvitov

AntiBot control using HTML5 rotating feature

c# i want to calculate the lower distance between two points

19 Feb 2013 by alexandrosok

i wrote that code to calculate the distance between two point any one can gime a tip how to get the minimun distance between these point -not the max - ^^thanks a lotint distanceX; int distanceY; int index = 0; int max_index =...

image-processing

Yet another Windows printing tip

7 Oct 2013 by Alexey Shtykov

How to print an image to a printer within a proper size

Windows

Dev

image-processing

Load img if size IS NOT NULL

22 Dec 2014 by alexhouben

Hi,If have a Raspberry Pi surveillance cam and it takes every 3 seconds a snapshot.This works 100%, and I display the image with help of the following HTML code: ...

The type initializer for 'OpenCvSharp.NativeMethods' threw an exception.

26 Apr 2014 by Alishba Khalil

I am using OpenCVSharp library to use opencv in C#. I'm trying to load image from a file using this code:IplImage cap = Cv.LoadImage("D:\\eye1.jpg",LoadMode.AnyDepth);but it shows exception: "TypeInitializationException was unhandled;The type initializer for 'OpenCvSharp.NativeMethods' threw...

How can I compare two image with ignore the brightness in C#

4 Apr 2018 by alpacaheng

I want to make a program that can compare two image but ignore the brightness which may cause by sunlight. is there any library or method to do that? What I have tried: I have tried to compare two image by comparing the pixel, but it will not ignore the brightness.

image-processing

How to recognize the characters even with the curve part

20 May 2015 by ambot1949

Hi..I have an image.. like a coin shaped image.Inside the image contains characters following the curve part.My problem is how to be able to recognize the characters especially those at the curve part..My ideas are: 1. To straighten the curve part.. but i don't know how.2. To...

Python

Java

image-processing

how to extract text from image using opencv

26 Oct 2012 by ambuj saxena

Hi All, i am new with opencv. i want to know how extract text data from image if any one tell me which is the steps i have to follow. any kind of help appreciated.

image-processing

OpenCV

OCR on java for numbers

27 Apr 2013 by amir tarek

i have an image jpg has 12 numbers 0 1 2 3 4 5 6 7 8 9 and writing using normal shape with no change on its shape i want to make a program read all the image get a part of it that has the 12 numbers (right down)then make ocr program read the numbers very accuracy.this program i...

Java

image-processing

OCR

image correction using java

15 May 2013 by amir tarek

i want a java code to can take an image taken in bad brightness condition and correct it to can recognize some numbers written on it the image i worked on has more light at left of it and dark at right is there any algorithm to do this Note. there is not the only case i will face i...

Java

image-processing

image

Getting the filled points in Flood Fill ?

5 Dec 2011 by AmirAmirA

hey :)I found a very useful article on code project called Flood Fill , here is the link[^]Ok so, as you might know this project lets you choose a point on a picture and fills it with a colour. I am really trying to find out a way to get a list of the points on the picture that the...

image-processing

The type initializer for 'Emgu.CV.CvInvoke' threw an exception.

28 Nov 2017 by AmnaRahman

I am getting this exception in the line 'image=new Image(OF.FileName)' How to solve this exception? I have added the opencv dlls to the project and all the references required but still getting the error.private void button1_Click(object sender, EventArgs e) { ...

ASP.NET

image-processing

Emgu-CV

Draw circles on the image after applying hough transform?

2 Apr 2014 by AmnaRahman

I'm using HoughCircleTransformation class of AForge to detect circles. I want to draw circles on the image where the circles are detected (to highlight the circles on the original image). How can i modify the 'foreach loop' to do that? public Bitmap hough(Bitmap bmp) { ...

C#3.5

ASP.NET

image-processing

Draw circles on the image after applying hough transform?

3 Apr 2014 by AmnaRahman

foreach (HoughCircle circle in circles) { Pen redPen = new Pen(Color.Red, 1); using (var graphics = Graphics.FromImage(bmp2)) { graphics.DrawEllipse(redPen, circle.X, circle.Y, circle.Radius, circle.Radius);...

C#3.5

ASP.NET

image-processing

Detecting eye corners using C#

9 Apr 2014 by AmnaRahman

I want to detect the two corners of an eye. I have tried using Harris corner detector but it shows other points too which are not needed. Is there any other technique that can be used?

Image Capture in windows mobile 6.0 (Smart Device Application)

27 Jul 2011 by Amund Gjersøe

Could implementing it as a widget solve your problem?If you do it as an Opera Widget, it will work as an app on most phones. Opera Mobile 10 should work on Win Mob 6.0 I think.Opera Widgets SDKAccess your phone's camera with WAC widgetsHave no clue as of how to do it, but the example...

Mobile

Windows

image-processing

android image resolution resizing

3 Feb 2013 by analogx

Hi,To start with I have a application whose resolution is hard coded to 1024*768,now i want to scale down this application resolution to 800*480 so as to execute it on low res device,so my question is how can i dynamically re-size the existing images so as to make it fit for 800*480 resolution...

Automatic Scanner code in C#

13 Feb 2014 by Anand Gunasekaran

Scanner automatically scans multiple pages using BackgroundWorker Thread

.NET

image-processing

threads

Problem with color manipulation on byte level

29 Oct 2015 by andres_fprado

The problem is that the computer is little-endian, which means that although the format is ARGB, the order the bytes are stored in memory is B - G - R - A (i.e., B is stored in a lower memory address than G, then R, and then A).Your code is assuming the opposite ordering of bytes. To get the...

image-processing

Image operation in C

17 Jan 2011 by Andrew Brock

There are a vast number of image processing libraries that are free and a lot of them are open source.My top 2 would be:CxImage[^] - Very comprehensiveGDI+[^] - pretty easy to use, well documented and heaps of samplesAs for the timing, that is simple. You just need to use a timing...

image-processing

Image operation in C

17 Jan 2011 by Andrew Brock

This code works properly on my Ubuntu virtual machine, but not on Windows as Windows only provides precision to the millisecond unless you use the performance counters.Windows will show the time as either 3000, 2000, 1000 or occasionally 0 microseconds because of this.Keep this in mind if...

image-processing

From glyph recognition to augmented reality

23 Sep 2011 by Andrew Kirillov

The article describes an algorithm for recognition of optical glyphs in still images and video and then shows its application in 3D augmented reality.

Overlaying/merging Images in WPF

18 Aug 2011 by Andrew Rissing

It depends on what exactly you're trying to do. You can try placing the images over each other and adjusting the opacity of the top image to show the image below (this would be similar to applying a watermark).

WPF

image-processing

image

Image processing in C++

11 May 2013 by André Kraak

CodeProject has some good resources you can use to learn about image processing[^].

C++

image-processing

Steganography: Solve for 'G'

17 Oct 2015 by Andy Lanng

Hi,I'm working on some tools for a new game called Terra Tech(check it out ^_^).You can create "techs", save, swap and tweet them. The save file is a png snapshot image. They put the object specifications in the image using steganography. I am trying to reverse engineer...

image-processing

PNG

How to transfer Image Byte[] from WCF service to Application C#

8 Dec 2014 by Andy411

If You hav a large amaount of data to transfer via WCF, You should take a look at streaming:Take a look at http://msdn.microsoft.com/en-us/library/ms751463%28v=vs.110%29.aspx[^]

WCF

image-processing

WCFServices

how to convert byte [] to image

11 Mar 2011 by anilet v antony

I need help locating the error in this code snippet:byte[] a = objstud.viewtudentphoto(txtadminno.Text);System.IO.MemoryStream ms = new System.IO.MemoryStream(a);pictureBox2.Image = Image.FromStream(ms);I am getting the error here: pictureBox2.Image = Image.FromStream(ms);here...

image-processing

errors

Convert 8bpp avi into 16bpp avi

20 Jul 2011 by ankur.mu

Hey! I need to convert 8 bpp avi file into 16 bpp avi file.Does anyone know how to do it?I used this code to get bitmap images from avi file. It works fine with 16 bpp or more but does not work for 8bpp avi files properly. public Bitmap GetBitmap(int position){ if(position >...

image-processing

how to convert 32bpp into 8bpp bitmap

20 Jul 2011 by ankur.mu

I want to convert 32 bpp bitmap into 8 bpp.If anyone knows how to do it, plz help.Thanks in Advance.

image-processing

how to convert 32bpp into 8bpp bitmap

20 Jul 2011 by ankur.mu

Here is the code to this :public static Bitmap ColorToGrayscale(Bitmap bmp){ int w = bmp.Width, h = bmp.Height, r, ic, oc, bmpStride, outputStride, bytesPerPixel; PixelFormat pfIn = bmp.PixelFormat; ColorPalette palette; Bitmap output; ...

image-processing

How to compress an uncompressed avi file into MS-CRAM

21 Jul 2011 by ankur.mu

I want to compress an uncompressed avi file into MS-CRAM (Microsoft Video 1). If anyone knows how to do it please help me with the code.Thanks!

image-processing

Format for MPEG / AVI File in Bytes on Microprocessor

26 Jul 2011 by ankur.mu

Hey I am trying to read MPEG / AVI files on a microprocessor but I do not know the exact format of riff, header & chunk of the file.I anyone knows how to interpret the MPEG / AVI file on a CRAM microprocessor please help me with the format/code.Thanks!

Java

C++

image-processing

How do I transform an image to have different dimensions

12 Nov 2014 by Ann Marie Neufelder

I want to write code that does the following:Inputs:An image of a fully clothed human being (assume from head to toe)Dimensions of the human in that image (bust, waist, hips, height)Target dimensions (bust, waist, hips, height)Outputs:Transformed image which is just like original...

image-processing

How to analyse color of a image using image processing techniques in java?

27 Jun 2017 by Anu Rox

I need to analyze the colors of a image and need to do it in java. Need to use HSV color mode What I have tried: I'm clueless about this and new to image processing.I only have two weeks to complete this.Please help.Thank you everyone.

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...

store and comparison of hand gestures

2 Jan 2013 by anuSL

How to store and do the comparison of hand gestures detect through a camera?what are the mechanisms can we use?Are we need to use artificial interligence for that comparison?Please give your ideas...Thank you..

image-processing

How to swap Red and Blue channels on bitmap?

10 Mar 2011 by apaka

How to swap Red and Blue channels on bitmap without using unsafe methods and fast in c#?Thanks in advance.Edit: Thanks . Here is the code in c#:private Bitmap SwapRedAndBlueChannels(Bitmap bitmap) { var imageAttr = new ImageAttributes(); ...

.NET

image-processing

Get Thumbnail from stream.

17 Mar 2011 by apaka

Is there a possibility to resize bitmap directly from stream , not loading it in bitmap object using Image.FromStream . I'm working with large images with sizes even of desktop backgrounds and I only have access to a stream from zip file.

image-processing

Dimension issues in 'template matching'

23 Nov 2022 by Apoorva 2022

I'm comparing two images - a complete image & a small part of the same image. If a match is found, then a rectangular box is drawn around that part of the image which contains the smaller image. To implement this, I have used the 'matchTemplate'...

computer-vision

image-processing

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 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

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

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 get center of un-transparent region from png image

6 Oct 2011 by ARBebopKid

I suggest iterating through the image data.Determine the formula for the smallest circle which contains all the opaque points inside or on the circle.The center of that circle would be the center of the opaque object.[Edit]Find the two points that are farthest apart. distance =...

image-processing

image

Convert C++ function to Java

17 Oct 2012 by Areff

hello everybody ,i have a function in c++ which works correctly and its task is compress the BMP image similar to [[RLE] but encoding is not quite same as RLE , this code is written by experienced c++ programmer to send image to some kind of printer (with specific firmware) unfortunately the...

Java

C++

image-processing

Image processing in silverlight

14 Mar 2013 by Ariana Bond

Hi,I am trying to put sharpen filter over an image in my application after cropping the image. The function i am using is not giving expected output , no changes are reflected in the image,Please check the function where does i am wrong.public static WriteableBitmap...

Silverlight

image-processing

Affine transformation for entire image using image points ?

3 Dec 2016 by Arthur V. Ratz

Here's how: http://docs.opencv.org/2.4/doc/tutorials/imgproc/imgtrans/warp_affine/warp_affine.html

C++

image-processing

OpenCV