Category Archives: Image Processing

Recognize face orientation using a new approach based on eye position and size by c#

Author: Md. Salahuddin Yousuf & Kishor datta gupta We are trying to develop a method to recognize face orientation using OPENCV harr detection and neural network  . The process can be done without neural network but we use neural network … Continue reading

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Posted in C#, Image Processing | Tagged , , , , , , , , , , , , | 1 Comment

C# tips : How to draw on a picturebox image using mouse by c#

if u want to draw something on a picture u can use microsoft paint, but if you want do it by ur c# code, i think this article will help you. i make a win form application to draw by … Continue reading

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Posted in C#, Image Processing, Winform app | Tagged , , , , , , , | 13 Comments

Convert a image file in byte pointer data and apply algorithom C#

If u want to use pointer in c# u have to use “unsafe” keyword. and then we can use byte pointer. In BitmapData we Can get data as a byte in different format. In my first Bitmap pbmp=new Bitmap(“fillocation”); int … Continue reading

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extract all marked rectangle from hand print image c#

few days ago i have to make an application where a template image with some marked rectangle will be given using that template i have to extract same positions rectangle from other input  images. in c# i make that application … Continue reading

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Posted in C#, Image Processing, Winform app | Tagged , , , | 2 Comments

c# tips: findout the midpoint of rectangle

In c# Rectangle class takes 4 parameter start location x and y point and height and width. some time we may need the center point of rectangle. for find out the mid point u can use this class Point midp(Rectangle … Continue reading

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draw a border around detected object in c#

it is the continuation after a previous post. in my past post i detected object based on color. and got below result. like in images below but i want only one region around my detected object. for draw that i … Continue reading

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Posted in C#, Image Processing, Winform app | Tagged , , , , , , , , | 26 Comments

resize all/multiple images at once from folder / subfolder by c# in any size

for image processing first step is get a proper sized image. and maximum time need many images resizing at once. it easy but take lot of time. so i made a programme to do that in a second, which u … Continue reading

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Posted in C#, Image Processing, Winform app | Tagged , , , , , , , , | 4 Comments