Create A Black Image Opencv
Let's see some of the drawing functions and draw geometric shapes on images using OpenCV. Release highlights: OpenCV is now C++11 library and requires C++11-compliant compiler. Vectorization. Here I will show how to implement OpenCV functions and apply them in various aspects using some great examples. Most of the documentation is found here. py: To capture face images and record the corresponding name in the database. Let's start by loading the next image using OpenCV: 1 import tkinter 2 import cv2 3 import PIL. At ‘The Glass Room’ pop-up, ‘Black Mirror’ meets the Museum of Ice Cream Ryan Kost Oct. OpenCV is a free library developed by Intel Corporation. How to create a new image? Questions and postings pertaining to the usage of ImageMagick regardless of the interface. I'm looking for an xpm icon to use as a placeholder until I make something better. /streamVideoRTP" Normal, It will start streaming until CTRL-C. Modern Pathshala. addWeighted() function. Select “Begin a New Story” 3. Your camera must have an IR emitter as such. Tutorial 3 - Create a Image OpenCV C++ Today I'm going to show you how to create image using OpenCv. We will write OpenCV on our image in white color. Using a paint program, create an image made of periodical patterns of varying frequency and orientation. Save yourself some time and give this free image autotracer a try. Represents a 4-element vector. Create a simple image search engine in OpenCV and Flask. Android Native Camera With OpenCV and OpenGLES Labels: Android , Enhance Performance , FPS , Native , NDK , OpenCV , OpenGLES 1. Most of the popular image formats use RGB color space. x version of this tutorial. 1 in your computer vision projects. For efficiency, this is typically stored as a 24-bit number using 8-bits for each color component (0 to 255) so that for example, White is made of 255 Red + 255 Green + 255 Blue. Here is a function illustrating how to display more than one image in a single window using Intel OpenCV. Try inputting two very different images (Like a black one and one with a large white blob in the middle or something) and see whether that registers. Let's see some of the drawing functions and draw geometric shapes on images using OpenCV. Black caviar in a glass bowl on ice with lemon close up over gray background, top view Black dog face. Using OpenCV and Python, an RGB color image can be converted into a pencil sketch in four simple steps:. CMakeとVisual Studioを使って、WindowsでPython2のopencv 3. That would have immediate consequences. In this tutorial, you will use a pre-trained Haar Cascade from OpenCV to detect and extract faces from an image. You can create the black image bypassing the pixel information and channel in the zeroes() method. knowledgeshelf. It takes as input an image to transform, and a color space code (like cv2. Create OpenCV Image Classifiers Using Python: Haar classifiers in python and opencv is rather tricky but easy task. In this tutorial, we are going to see some more image manipulations using Python OpenCV. Since we are dealing with images in OpenCV, which are loaded as Numpy arrays, we are dealing with a little big arrays. Cute black dog face wallpaper, ratio to fit mobile / cell phone screen background Violin in black and white. zeros, you are explicitly telling it to fill the complete image with zeros. 5- select the area, create a new layer, paint the selected area on new layer, blend the new layer with "linear burn". Process bitmaps with OpenCV. This blog is a continuation of Basic Image Data Analysis Using Numpy and OpenCV - Part 1. Next, On the "search directories" tab select "linker" tab and add opencv library directory by click "Add" button on the bottom like image below. Creation of the Various Images using Numpy Black Image. createImage(make_title(offset_x, offset_y), "8-bit black", image_width, image_height, 1) # The build in function str() is used to convert int to string. Other Effects options include Yellow Filter, Orange Filter and Red Filter. Clipping Magic has all the necessary tools and features to produce an immediately usable result, so you can go straight from Clipping Magic to publishing. 2016-07-28. resize() function. Black and white cameras/images are great for snow, but I wanted to see how image colorization would turn out with OpenCV and deep learning. Each frame of the video is considered as a single image,and then processed on. We do this so that more people are able to harness the power of computing and digital technologies for work, to solve problems that matter to them, and to express themselves creatively. In this chapter, we will learn how to conver. I kept this blog small so that anyone can complete going through all posts and acquaint himself with openCV. 滚动条作为调色板创建滚动条以控制某些参数目标学习将滚动条绑定到OpenCV窗口您将学习以下函数：cv. And they have a lot of uses too. The Image module provides a class with the same name which is used to represent a PIL image. It allows one to call OpenCV functions into the. now that your top image is black and white and the same image underneath it is color you can go to the bottom of your layers palette, on the very. OpenCV is a free open source library used in real-time image processing. It is possible to generate a ndarray of the same shape as the image to be processed by np. Introduction. And, it’s incredibly easy to accomplish. I am trying to create a simple program to detect where the ball is in an image. pixelMap = img. Setting it all to (255,255,255) would be white, equalling np. Create a new C++ project from File > New > Project… > Visual C++ > Windows Desktop, by selecting the Windows Console Application template. High contrast images, with dark blacks and bright whites, tend to be more visually appealing than a black and white photo with low contrast which will just end up being a muddy sea of grays. [Updated this post on April 04, 2019, to make sure this tutorial is compatible with OpenCV 4. In OpenCV we will often talk about Regions of Interest, or ROI. so that time OCR not work properly. Mask images are useful for emulating transparency, and for replacing colours in images. As an OpenCV novice, I searched Google to help me get started with the Python OpenCV code. FindContours function modifies the source image, so 'thresh' before and after finding contours are different image. Trackbar as the Color Palette. We demonstrate some examples of that below: Related courses: Master Computer Vision with OpenCV; Image properties We can extract the width, height and color depth using the code below:. When color images are saved as Image Only. 2016-07-28. In this tutorial we will check how to read an image and convert it to gray scale, using OpenCV and Python. resize and get hands-on with examples provided for most of the scenarios encountered in regular usage. # By removing the semicolons, the code can be used in Jython. With this code you generate a numpy array which is what is expected for opencv images and fill it with zero which is the color for black. \$\begingroup\$ Generally, as I can see in your data, what you want to remove is much less than what you need to keep. This is my first post but I have noticed issues in my webcam control program, to test the issue I reproduced the cv2Trackbar as a color pallet program and added a print function to the callback "Nothing" and when it prints it prints the. Find high-quality Black Color stock photos and editorial news pictures from Getty Images. 0-devをビルドしてコンパイルする Javaでのカスケード分類子の使用 Javaでの描画関数. There are functions in OpenCV, create for a destination matrix. A ghastly face with glowing eyes glares in deep space in a new image from the Hubble Space Telescope. OpenCV for Processing is a computer vision library for the Processing creative coding toolkit. Negatives are inverted images of the photographs that are produced from them. Important: This article is outdated (ZED SDK 1. Tutorial 3 - Create a Image OpenCV C++ Today I'm going to show you how to create image using OpenCv. zeros((X_DIMENSION, Y_DIMENSION, 3)). You can create the new image in different color modes, as either an RGB image or a grayscale image. By Philipp Wagner | May 26, 2012. zeros ((512, 512, 3. Frame:Prison Lock up your image up behind bars. Virtual drive has some incomparable features that cannot be found on common optical d. Just set the start and end colors of the gradient to black. The first direct visual evidence of a black hole and its “shadow” has been revealed today by astronomers working on the Event Horizon Telescope (EHT). Edge detection doesn't count with sides of the image, therefore in case that page touching a side of the image, the algorithm won't produce a continuous, closed edge. Juslike Cute Doll Car Seat Strap Belt Cushion Cover for Kids Children, Pad Vehicle Car Safety Belt Toy Pet Protect Shoulder Chest Child, Rabbit + Lion (2 Pack),Seaside Heights, New Jersey - Life is a Beautiful Ride - Surfboard - Letterpress - Lantern Press Artwork (12x18 Giclee Art Print, Gallery Framed, Black Wood),HALO SleepSack Swaddle, 100% Cotton, Blue and Gray Dot, Small. A complete version of the code is at the end of this post. problem is that I have been getting some weird output from anything i have found online. You can create an account or sign in to save this content into your account. To resize an image, OpenCV provides cv2. We use OpenCV before recognize text from image to increase accuracy. HI everybody I want to do the opposite than usually action RGB2Grayscale. Save Images & Videos to File In many real world computer vision applications, it is required to persist images and videos for future reference. Basic Drawing Examples Basic Drawing Examples. To make the pattern of 0’s and 1’s easier to see, I wanted to make a graphic with black and white squares instead of the characters 0 and 1. Don't Expect the Media to Create POSITIVE BLACK MALE IMAGES. This code is made for grayscale images. Related research studies. The key concepts of Computer Vision & OpenCV (using the newest version OpenCV 4) To perform image manipulations such as transformations, cropping, blurring, thresholding, edge detection and cropping. Event: We use the Form. 每个月，我们帮助 1000 万的开发者解决各种各样的技术问题。并助力他们在技术能力、职业生涯、影响力上获得提升。. On Line 17 we create an empty array where we're going to load the titles of the images. cvCopy function to copy it. OpenCV (cv2) can be used to extract data from images and do operations on them. 6- If there is an issue with the cut lines and they are not as clear as you want them to be, you can adjust the contrast to make it easier for the software to create cut lines. A popular computer vision library written in C/C++ with bindings for Python, OpenCV provides easy ways of manipulating color spaces. Testing procedure Install OpenCV and Python on. In today's blog post, we are going to create animated GIFs with OpenCV, dlib, and the ImageMagick toolbox. Possible Duplicate: OpenCv CreateImage Function isn't working. #Change all pixels in the background that are not black to white background[np. The mouse pointer is captured in a separate layer. py # Create a black image, a window: cv. - Single channel image, Black and white image). Also, the aspect ratio of the original image could be preserved in the resized image. The NCAA on Tuesday opened the door to college athletes being able to profit from their own names and likenesses, and finally share in the billions of dollars their athletic prowess brings to. Mostly black and white with a hint of color revealed is one of the most popular effects. zeros((300, 300, 3), np. Day 15 - Get Started With OpenCV Hello guys, This is Day 15 of my #100DaysOfMLCode challenge and sorry for the late post, I am busy in the office work. opencv_use用户指南_交通运输_工程科技_专业资料。opencv_use用户指南,主要介绍2. Google Images. You can also create a gray scale image, rather than an RGB color image if you do img = zeros(256, 64, 'uint8' ); Also note that imagesc() does not require a color image. py: Use of OpenCV's LBPH Face Recognizer to train the dataset that outputs trainingData. The book starts off with simple beginner's level tasks such as basic processing and handling images, image mapping, and detecting images. OpenCV - Colored Images to GrayScale - In the earlier chapters, we discussed how to read an input image as different types (binary, grayscale, BGR, etc. I have an image and I need a black image with same dimensions as the first one. zeros((X_DIMENSION, Y_DIMENSION, 3)). Black and white images are stored in 2-Dimentional arrays. Extracting Contours with OpenCV. 1 in your computer vision projects. cpp -o blank `pkg-config –libs opencv`. This is on how to a convert any image to gray scale using Python and OpenCV. Home; For Beginners; Wednesday, 24 September 2014. About this tutorial: Video duration: 20:34 OpenCV Tutorial for Visual Studio OpenCV Tutorial for Visual Studio, this video show you how to basic image processing via OpenCV library on C++ Windows Form VS2015 Source Code: Watch all tutorial: : Create C++ Win Form App & Open the image from PC : Basic Image. You can learn more about color spaces in Image Segmentation Using Color Spaces in OpenCV + Python. pProcessedImage = cvCreateImage( cvSize( pOrgImage->width, pOrgImage->height ), pOrgImage->depth, pOrgImage->nChannels ); cvSetZero. Visual Studio detected memory leak for cv::Mat. $\begingroup$ @Emre: I like to implement an algorithm for low light noise reduction rather than using neat image every time. This blog is a continuation of Basic Image Data Analysis Using Numpy and OpenCV - Part 1. black = np. Make backgrounds transparent, white, etc. There are many tutorials available on the ‘net on how to go about doing this, but a mojority of them are in C, not C++. When To Create A Black & White Image. Many image processing operations take place on grayscale (or black and white) images, as they are simpler to process (having just two colors). Each frame of the video is considered as a single image,and then processed on. With this code you generate a numpy array which is what is expected for opencv images and fill it with zero which is the color for black. Drawing on Images. Several years ago (2005) Keith created a monochrome test image, specifically aimed at improving aspects of his black and white print capabilities and to help when testing new papers. We want to put OpenCV logo above an image. Hi everyone, "Jake8225" I download windows 7 sp1, then re-create the "install image" and the "boot image" and I then sys-prep a prep winodws 7 for capturing but i am still getting the black screen. Royalty Free Stock Photos. Download premium images you can't get anywhere else. Each pixel is made up of 3 bytes, one byte for each of Red, Green, Blue. 011c - Planar configuration (1 = single image plane) 0153 - Sample format. Based on the Texas Instruments AM5729, developers have access to the powerful SoC with the ease of BeagleBone® Black header and mechanical compatibility. A fully working image display example is illustrated as well. zeros ((512, 512, 3. CreateImage(). You'll even learn how to approximate contours, do contour filtering and. To start our OpenCV code, we need access to an image. Type combines the data type of the elements along with the number of channels in the image. Using a Sobel filter with CV_8UC4 is wrong because the alpha channel can get wrong. I figured it. In image processing tools, for example: in OpenCV, many functions uses gray scale images before processing and this is done because it simplifies the image, acting almost as a noise reduction and increasing processing time as there's less information in the images. cvCopy function to copy it. Please modify the code below to show the image in Fig 1. For example lets I want to create the 200×200 pixel image then I will pass the following information. image is the name of the blank image on which we will draw our circle (x,y) is the center of the circle. Forum; Projects; import numpy as np import cv2 # Create a black image img = np. destroyAllWindows(). IMREAD_UNCHANGED - The image will be loaded as it is. Here is the following python code: image-processing image opencv. This blog is a continuation of Basic Image Data Analysis Using Numpy and OpenCV - Part 1. i want to create a sticker out of a simple black tribal design and it is an image edited with corel photo paint. 本篇内容为大家讲解的是Python-OpenCV 杂项（一）：图像绘制，感兴趣的同学参考学习下，本文内容如下:. Using OpenCV and Python, an RGB color image can be converted into a cartoon in five steps: Apply a bilateral filter to reduce the color palette of the image. Click the "Edit" tab on the ribbon, click the image and then point over the "Black and White" thumbnail in the Effects group to preview the conversion. Using Photoshop, you can create the look of a negative by using the Invert command or the adjustment layer. Let's see some of the drawing functions and draw geometric shapes on images using OpenCV. Colorfulness. Create a simple image search engine in OpenCV and Flask. That would have immediate consequences. Learn all about Color Levels, Rotate / Straighten, Crop, Shadows, and making the Background Transparent or a Solid Color. An Office 365 subscription offers an ad-free interface, custom domains, enhanced security options, the full desktop version of Office, and 1 TB of cloud storage. Combine the thresholded image with the inverted flood filled image using bitwise OR operation to obtain the final foreground mask with holes filled in. I'm currently writing a WPF app that makes use of OpenCVDotNet, a wrapper for Intel's OpenCV. PDF files, the. It is a simple way to convert a color image into a black and white image. These are the nine best tools for creating fast, easy and great-looking images from text for blog posts and social media. Imagine we got this tasty apple and we want to put it in another image (with a green background):. It consists of four channels (RGBA). Then, in line 8, we loaded LBP face detector using classcv2. python script to create dummy image via opencv. 我們也需要安裝NumPy,因為OpenCV的Python接口通過Numpy的多維數組來表示圖像 pass # Create a black image, a window img = np. The RGB color format can represent any standard color or brightness using a combination of Red, Green and Blue components. This comes about because they are black where you want to leave an image unaffected, and white otherwise. A Mockup For A Stack Of Black Business Cards With Gold Painted Edges On A Rustic Background, With A. The guide gives essential steps for get up and running latest OpenCV-C++ library inside Visual Studio 2017 on a PC running Windows OS. We will practice our own Nguzo Saba and Value systems. For efficiency, this is typically stored as a 24-bit number using 8-bits for each color component (0 to 255) so that for example, White is made of 255 Red + 255 Green + 255 Blue. Hi everybody, I am trying to create a jpeg file and then write text on to it. Now I am going to show you how you can convert RGB to Binary Image or convert a colored image to black and white. See additional information. It is one of several modes an artist can use to create an image on a raster display. By Philipp Wagner | May 26, 2012. You can also create a Sepia image, which adds an “old-fashioned” feel by changing the picture to a reddish brown tone. Re: Create outline from a solid black image? JonathanArias Jun 23, 2017 3:08 PM ( in response to bradf31180525 ) make a silhouette on photoshop and bring that photoshop file into illustrator and live trace? i can't download the image so i have no clue what it looks like. 5 years since groundbreaking 3. PDF files from within TextBridge Pro Millennium Business Edition. 每个月，我们帮助 1000 万的开发者解决各种各样的技术问题。并助力他们在技术能力、职业生涯、影响力上获得提升。. Your camera must have an IR emitter as such. Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) Click to share on LinkedIn (Opens in new window). ly/14455699/pyth. We can create a bullion ndarray in the same size by using a logical operator. With this code you generate a numpy array which is what is expected for opencv images and fill it with zero which is the color for black. If an image is grayscale, the tuple returned contains only the number of rows and columns, so it is a good method to check whether the loaded image is grayscale or color. Start here. createImage(make_title(offset_x, offset_y), "8-bit black", image_width, image_height, 1) # The build in function str() is used to convert int to string. Lets start with first creating a color filter - an image with just a single color. Most of the popular image formats use RGB color space. blackhat = cv2. Using a paint program, create an image made of periodical patterns of varying frequency and orientation. Eigentlich OpenCV ist Kanal-Reihenfolge Agnostiker. In this introductory tutorial, you'll learn how to simply segment an object from an image based on color in Python using OpenCV. In this blog, we will do a small project using OpenCV-Python where we will be creating video from image sequences. EmguCV is a cross platform. , clutter on the floor). RIP Tutorial. This approach improves accuracy (because eyes are always on faces :D ) and performance (because we search for a small area). If we add two images, it will change color. There are several ways of doing this, but the way we use here allows you to quickly resize the PictureBox control so the entire image is shown. First create a mask image where all elements are zero (ie just a black image) with size same as source, but single channel (ie grayscale). Learn to bind trackbar to OpenCV windows; You will learn these functions : cv2. ellipse(), cv2. The module also provides a number of factory functions, including functions to load images from files, and to create new images. line(), cv2. Create a selection, and the entire image will be optimized based on an analysis of the selection. Often there would be a need to read images and display them if required. 第一篇——简单图片处理以及简易的画图工具实现 以下的实现过程参考OpenCV官网教程， 详情移步OpenCV官网进行查阅 读取和写入图片 视频处理以及摄像头图像的捕获和保存 使用鼠标事件实现简易的画图功能 color bar的使用 画图工具的实现 1. Trackbar as the Color Palette. By Philipp Wagner | May 26, 2012. Modern Pathshala. net Jess Tedder Dynamic Dummy Image Generator for Django Django/Python Rolando Espinoza La fuente Random Image Generator Johan Thomsen Dummy Image Generator Expression Engine Plugin PHP/Expression Engine. The ability to add lines, circles and geometric shapes over an image is an operation that will prove very useful later. OpenCV 3 image and video processing with Python OpenCV 3 with Python Image - OpenCV BGR : Matplotlib RGB Basic image operations - pixel access iPython - Signal Processing with NumPy Signal Processing with NumPy I - FFT and DFT for sine, square waves, unitpulse, and random signal Signal Processing with NumPy II - Image Fourier Transform : FFT & DFT. //create an image for display purpose Image < Bgr. ImageTk 4 5 # Create a window 6 window = tkinter. However, they are prone to misidentifying noise as edges. You might want to create images with this negative look for a project you are working on or simply as a fun exercise. Download high-quality mockup stack black business cards gold painted images, illustrations and vectors perfectly priced to fit your projects budget. OpenCV for Processing is a computer vision library for the Processing creative coding toolkit. Android Native Camera With OpenCV and OpenGLES Labels: Android , Enhance Performance , FPS , Native , NDK , OpenCV , OpenGLES 1. I wish to create a new RGB image in OpenCV using Python. There is a newer version of this document: Using OpenCV 2. Since in OpenCV images are represented by the same structure as matrices, we use the same convention for both cases - the 0-based row index. OpenCV is a free library developed by Intel Corporation. The image in Step 4 has some black areas inside the boundary. Are there any linux command line tools that create blank images of specified dimensions?. Photoshop applies a default grayscale conversion. Here is a single channel array with 8 bit unsigned integers. skimage is a great library for doing image pre-processing. In the code below I create an array of the same size (682,512,3) as that of the target image and fill each pixel with the color red (0,0,255). circle(), cv2. Technically, the OpenCV bindings for Python store an image in a NumPy array. Now I am going to show you how you can convert RGB to Binary Image or convert a colored image to black and white. Sie haben Recht, dass die gebräuchlichste Kanalreihenfolge (auf PCs) 'BGR' ist, obwohl dies für diese Antwort nicht sehr relevant ist. There are docs on the c++ bindings. Such an image is called a mask. Important: This article is outdated (ZED SDK 1. In this simple OpenCV code below, we open the images, create a new one to display the result and use cvAdd to add them. On the porch Black tip. Per poter seguire gli esempi presenti in questo articolo è necessario avere installata la libreria opencv per Python. Since the function is useful for removing background noise. Crop image between black border July 28, 2015 - 8:20am #1 Hi, it may not be exactly a vuforia question but it is a part of my vuforia project and I hope there is a solution for it within vuforia sdk. Please refer the OpenCV docs for further information. On the porch Black tip. Using OpenCV and Python, an RGB color image can be converted into a pencil sketch in four simple steps:. This photo is of myself and Janie, my beagle puppy, during a snowstorm a few weeks ago. Upper part of the image is the denoised frame of the video calculated from the 4 surrounded frames. "I'm choosing to focus on a vision of freedom. Is it possible to create a GUI using opencv methods and classes so that it achieves: 1. [OpenCV-Python Tutorials 04] OpenCV의 그리기 함수 모든 파일은 Github에서 확인 할 수 있습니다. uint8) # Fill image with red color(set each pixel to red) image[:] = (0, 0, 255) ここでは、特定のRGBカラーで塗りつぶした新しい空白イメージを作成する方法の完全な例を示します. knowledgeshelf. It takes as input an image to transform, and a color space code (like cv2. I thought about writing a program to create an image using strings of 0’s and 1’s as input, but then I thought of something more direct. The rest of the pixels in the new image are set to 0. On Line 17 we create an empty array where we're going to load the titles of the images. Basic Drawing Examples Basic Drawing Examples. Redirect me to the updated tutorial. You can create the black image bypassing the pixel information and channel in the zeroes() method. Create a simple image search engine in OpenCV and Flask. OpenCV is open-source for everyone who wants to add new functionalities. I = mat2gray(A,[amin amax]) converts the matrix A to an intensity image I that contains values in the range 0 (black) to 1 (white). resize and get hands-on with examples provided for most of the scenarios encountered in regular usage. Creation of the Various Images using Numpy Black Image. This approach improves accuracy (because eyes are always on faces :D ) and performance (because we search for a small area). Open Photostory 3. That would have immediate consequences. Starting with an exploration of library. kernel = np. If you want to get the alpha channel in your input image (if it is available), you have to use this flag. OpenCV - Colored Images to GrayScale - In the earlier chapters, we discussed how to read an input image as different types (binary, grayscale, BGR, etc. Long black dress or skirt and shirt. OpenCV is an image processing library. For example, the difference in brightness between white and black rectangles over a specific area is given by: Value = Σ (pixels in black area)- Σ (pixels in white area) The above-mentioned four features matched by Haar algorithm are compared in the image of a face shown on the left of Fig. The amount of coverage is determined by the colors in the mask. The taking of new images and determining their ground-truth illumination was carried out by following the same methodology that was used when creating the Cube dataset. With this code you generate a numpy array which is what is expected for opencv images and fill it with zero which is the color for black. Tutorial 3 - Create a Image OpenCV C++ Today I'm going to show you how to create image using OpenCv. This tutorial will partly depend on it since I will not explain the steps involved in setting up OpenCV in android project again. As it is a free and open library, it is not reserved to Intel processors and it can be built over a lot of architectures. problem is that I have been getting some weird output from anything i have found online. Create beautiful, amazing, and inspiring photos as wells as write fanfictions on LiveLuvCreate. Image Blending This is also image addition, but different weights are given to images so that it gives a feeling of blending or transparency. We're going to learn in this new tutorial series how to create the snapchat filter "Face swap". Hi everyone, "Jake8225" I download windows 7 sp1, then re-create the "install image" and the "boot image" and I then sys-prep a prep winodws 7 for capturing but i am still getting the black screen. Vectorization. 2016-07-28. IMREAD_GRAYSCALE - The image will be load as a gray-scale image (i. On Line 17 we create an empty array where we're going to load the titles of the images. Rather than making changes to the entire image, we will select a region from the original image, where the coordinate system for the region is relative to the region, rather than the image.