Opencv add watermark to image. Import photos from your computer, Google Drive or Dropbox.

Opencv add watermark to image This will be used as a seed for the pseudorandom generator. Let the Dec 21, 2020 · Hi, I am new to opencv and have little or no experience in image processing. It didn't help me. Apr 21, 2025 · Adding transparency to images can make them blend seamlessly with backgrounds. On line 5 we […] May 3, 2024 · In this guide, we’ve learned how to add text watermarks to images using Python and OpenCV. 2 days ago · Arithmetic Operations on Images Goal Learn several arithmetic operations on images, like addition, subtraction, bitwise operations, and etc. Point is to detect which of those images contain watermarked text and which don't. Nov 8, 2023 · This tutorial will walk through some examples of adding a watermark to an image in Python. Next Article: How to programmatically upload files to AWS S3 Output Image-based Watermarks Here are some key points about adding image-based watermarks to images using OpenCV: Image-based watermarks are commonly used to protect digital images from unauthorized use or distribution. Pillow is a Python Image Library (PIL) that is used for manipulating images and working on the different formats of images like ('jpeg', 'png', 'gif', 'tiff' etc. g. The Jan 12, 2024 · To add a watermark to the image, we will use the addWeighted function in OpenCV. Link for the question is C# - Add watermark to the photo by speci Oct 24, 2025 · Removing watermarks from images is a challenging task, but with the help of OpenCV, we can achieve remarkable results. here we can learn how to add an image as a watermark in python, with help of OpenCV in python. Kernel size 9 (4*2+1) happens to erase all text and lines, while not erasing any of the watermark. In this project we saw how easily we can use OpenCV to add watermarks to our images. For more information about adding watermark to opencv images, please search the previous articles of script home or continue to browse the relevant articles below. Aug 21, 2015 · First of all I have this image and I want to make an application that can detect images like it and remove the circle (watermark) from it. Note that this library is still experimental and it doesn't support GPU acceleration, carefully deploy it on the production environment. Watermarker-OCV is a python code that adds watermark to images using OpenCV. I've tried with OpenCV and. When I put it on the background it only outputs the white part (and removes the black glow) Here's the code: import cv2 import numpy as np # importing the main image image = cv2. imshow This tutorial video explains about adding text and image watermark to images using single line code in Python. Use it for free with Apr 26, 2023 · This Python tutorial explains how to create videos with moving object (visible watermarks) from one or more picture by using Numpy and Matplotlib. Jun 11, 2018 · I have a image like below, I would like to remove background watermark. Also user will be shown both the image with watermark and the image without watermark as an output. So we need to convert it to RGB channel, othterwise the Blue and Red channels will be seen as swapped when you run plt. blink image watermark, digital image watermark). This can be useful for branding, adding captions, or creating digital signatures on your photos. jpg") # importing the logo image watermark = cv2. The process worked somehow but the added logo was displayed onl May 30, 2022 · This is the end of this article about the tutorial of using OpenCV to add watermark to images. For this, we will use the pillow Python package. The example below demonstrates how to add a simple text watermark to a video using JavaCV. Exclude the edge b_cut (50 in our example) pixels from the edges. It is a desktop-based application developed using Mar 7, 2016 · This tutorial demonstrates how to use OpenCV to create transparent overlays with the cv2. The complete code provided in this article demonstrates how to remove watermarks from images using OpenCV. We do use Python, OpenCV and PyCharm in this tutorial. First, we will provide the destination to place the watermark on, and then pass that destination to the addWeighted function with the image and logo. The watermark image should be carefully designed to balance May 16, 2019 · Digital Image Processing using OpenCV (Python & C++) Highlight: In this blog post, we will explain how to scale the pixel’s intensity and make the image brighter and/or darker. imread ("asdasd. Adding a watermark works as a copyright for your image, so that no one can illegally use your image or document. Apr 10, 2020 · Add watermark to multiple images with Opencv and Python Pysource 65K subscribers Subscribed add watermark to image using opencv by using steps: insert text at center of image, blend two images together to make watermark transparent - add_watermark. Jul 25, 2023 · In this blog, we will add watermarks to an image. It provides a range of functions to manipulate video frames and overlay images or text onto videos. The algorithm doesn't rely on the original image. This article will walk through how to add a watermark to an image using Python’s OpenCV library, starting with a base image (e. This repository provides a detailed Jupyter notebook that guides you through the process of adding both opaque and semi-transparent watermarks to images. Below is code for Addition of two images using OpenCV : Jul 12, 2014 · I am doing video watermarking in dct using C++ . The program will overlay a logo on the bottom right of an image. cols, watermark. Feb 21, 2022 · Hi ! Super quick post today with a cool scenario to support my TikTok videos in Spanish (I know !😀): How to add a watermark text to an image using python and opencv Here is the output with an original photo from my office and a watermarked one: Sample code: Apr 19, 2023 · we are going to discover how to attach textual watermarks to an image using OpenCV & PIL to implement various techniques of image manipulations Jun 26, 2012 · Is there any way to add a watermark image to another image using the OpenCV library? I am working with OpenCV and C++. In all the following Python examples, the required Python library is OpenCV. Jul 23, 2025 · Image Processing in Java - Colored Image to Sepia Image Conversion Image Processing in Java - Creating a Random Pixel Image Image Processing in Java - Creating a Mirror Image Image Processing in Java - Face Detection In this set, we will be generating a watermark and applying it to an input image. My OpenCV study notes (d): add watermark to the image When the two images are the same size, the image to be watermarked effect is very simple, is simply added to an image to another image (two images can be multiplied by a certain coefficient control ad About Watermark add to image using opencv imported as cv2 Adding Watermark to Image. An Image Watermark Remover is an application created in python with tkinter gui and OpenCv library. addWeighted () function from OpenCV. We will show how to add logos onto a given image. Nov 12, 2024 · In this article, we will learn how to Watermark Images using OpenCV. imread ("flower. Sep 4, 2019 · Recently, I'm interested in image processing using OpenCV, but I'm new to it. . Here's how to do that with ImageSharp. In this article, we will compare three popular Python ways for watermarking images: OpenCV, PIL (Python Imaging In this tutorial, we will learn how to add watermark to an image in C++. Mostly, websites that sell digital Jun 22, 2025 · Master image processing in Python with OpenCV! Learn step-by-step how to add watermarks and replace image backgrounds with precision using BGR values, masks, and blending techniques Feb 9, 2021 · I was trying to add a logo to my video using OpenCv by modifying a code that I found online (that was made for merging two pictures). Jul 23, 2025 · In this article, we will see how the creation of a watermark is done using the Pillow library in Python. jpg) and the transparent logo (opencv_logo. It will place the logo there with full opacity or slightly transparent. This project was inspired by the Contextual Attention (CVPR 2018) and Gated Convolution (ICCV 2019 Oral). Add watermark to images using OpenCV. I'm trying to place a logo into a background. addWeighted (), etc. End up, the surrounding got lighten up and some text disappeared. Watermark pictures without waiting in line. To get started, we’ll need a watermark, which for the purposes of this tutorial, I’ve chosen to be the PyImageSearch logo: Figure 1: Our example watermark image — the PyImageSearch logo. In the Python world, there are many libraries that allow you to add watermarks to your images. Oct 4, 2012 · I found a way to add watermark in opencv by doing addWeighted (src, alpha, water,--,dst,--), but the problem is that both watermark and surface image should be of same sizes which I don't want. Before proceeding further let’s first understand what is a watermark. Jan 4, 2023 · When we talk about images, we know its all about the matrix either binary image (0, 1), gray scale image (0-255) or RGB image (255 255 255). For doing so we are going to use OpenCV. Contribute to Kiran-reddy9998/Image-Watermarking-Using-Opencv development by creating an account on GitHub. Watermark: A watermark is a pattern, text or logo that is added to another image to make it more difficult for the original image to be copied or used without permission. In this application user can select any image with watermark in it and will be able to remove the watermark from that selected image. Add text or images to your pics. - mhbahmani/Watermarker-OCV Protect your digital images with custom watermarks. Then the watermark is embedded in a file and simultaneously checked if an embedded watermark already exists. jpg"); cv::Mat imageROI = source (cv::Rect (50, 50, watermark. Add watermark to an image using opencv. For other pictures, you'll need to adjust this kernel size, maybe even its shape. py Jan 4, 2021 · In this post, we will learn how to make the process of blending and pasting images on top of each other, fun and interesting. OpenCV reads images as BGR. Watermarking images with OpenCV and Python In this video, we will show how to create watermarking images by OpenCV using Python. This includes bitwise AND, OR, NOT, and XOR operations. py) that removes watermarks from images using image processing techniques with OpenCV and NumPy libraries. The logo has text with glow. In Python, a common pitfall is using **for loops** to iterate over pixels Jan 24, 2021 · I think that watermark is most likely is much smaller than the image is. Adding a watermark to an image works as a copyright. Add custom watermarks with your logo and text. png", -1) (wH, wW) = watermark. Python offers easy ways to achieve this. Watermarks are used to protect the copyright of the picture. add (), or simply by the numpy operation res = img1 + img2. Learn how to remove watermarks using OpenCV and Python. This is an easy step to step tutorial for beginners to learn and advance your coding skills. This tool is particularly May 10, 2019 · Watermark Removal and Detection: Part I A step by step process to detecting and eliminating watermarks. By employing several analytical procedures, including calibration of noise characteristics, dilation, and inpainting, we can restore damaged images to their former glory. What should i do so Apr 2, 2022 · Opencv Image Add Watermarks flyfish 1 2 3 4 5 6 7 8 9 10 11 cv::Mat source = cv::imread ("c:\\1. So for example if this logo: And this image: Adding a watermark will look like this: First of all we import the libraries and on line 4 we load the logo using Opencv. Resize photos before publishing online. In OpenCV, we have a command cv2. #watermark #python #opencv Add a watermark image to another image. OpenCV provides a set of powerful image-processing tools that can be used to add image-based watermarks to images. All text and borders is like this. Learn in this quick tutorial how to add a watermark to images. Know more about text watermark and various OpenCV fucntions. The function watermark_image (img, wm) embeds the watermark wm into image img. How to create a watermark on an image using OpenCV Python - To add a watermark to an image, we will use the cv2. Add transparent and opaque watermarks. [Comment area sending books] Use Python and OpenCV to add watermarks to images, Programmer Sought, the best programmer technical posts sharing site. addWeighted function and OpenCV + Python bindings. For the draw text watermark on an image, we have to use the PIL library. Watermark is looking left Text/logo onto the image. I tried following script: edges = cv2. No programming skills are required. Different organizations can use it to make their content secure so that their content cannot be misused without their license or a paid version. Resizes the logo to 10% of its original dimensions. code is as shown below I havefollowing problem I cant see watermark in watermarked video. Import photos from your computer, Google Drive or Dropbox. This tutorial is designed for developers and researchers who want to learn how to generate and edit videos using images. So additions of the image is adding the numbers of two matrices. Oct 19, 2024 · The Pillow library in Python makes it easy to add text and watermarks to images. You can use the following steps to create a watermark on an input image − Import the required library. We are now making watermarking images using OpenCV in Python in this project. This is known as a watermark, and we will also show how to add it in a transparent mode. Separates the color and alpha channels from the logo. For that firstly we need to import OpenCV libraries and python libraries . The following code instantiates the watermark class with the bytes read from a 32x32 watermark image and turns crop support on. Watermark is the sign of owner of that particular image who printed the watermark on image. In this article, learn how to add watermark on images using OpenCV in Python Overview This project demonstrates how to implement watermarking on images using Python and OpenCV. Can you please share with me what will the most effective way to do it ? I tried using contrast and brightness. Follow this easy-to-follow guide to effectively eliminate watermarks from your images. Its main purpose is to promote brands and make it more difficult to copy Jul 28, 2021 · I add Watermarked as : Ahin photography in my select image The goal of watermarking is to create a unique and identifiable pattern on the image, giving attribution to the original creator, but without destroying the contents of the image itself. Care should be taken while designing the watermark picture to minimise interference with the underlying image while yet maintaining visibility. Customize text or logo watermarks, secure files, and batch process unlimited pictures online. The default method dwtDCT (one variant of Aug 10, 2019 · How to add watermarks programmatically over images using Java graphics API. paste (). I do some simple image processing on a lot of images, and finally I want to watermark each image with a logo which is a 3 days ago · Image blending is a fundamental technique in computer vision, photography, and graphic design, used to combine two or more images into a single cohesive result. Nov 26, 2024 · Conclusion In this article, we explored how to add a text watermark to an image using Go and the GoCV library. In this program, we gonna learn how to make text watermark on an image in python using PIL library. This guide covers simple methods. It is generally used by artist to protect the copyright of image. We do use Python, OpenCV a Jan 26, 2022 · Adding Image Watermark Text in C# with ImageSharp There may be times you want to add a watermark, or a bit of text, to an image programmatically. Python packages explained in this tutorial are How to add a watermark to an image in OpenCV? The goal of this blog post is to demonstrate how to add watermarks to images using OpenCV and Python. Learn how to add text watermark to an image using OpenCV in C++. com adding a watermark to multiple images using opencv and python can be a useful task for branding your images or prot Method 1: Adding a Transparent (PNG) Logo to an Image Begins by importing necessary libraries such as OpenCV and Matplotlib. Canny(img,50,150, Image-Watermark-Removal This repository contains a Python script (remove_watermark. Free code download included. OpenCV allows for precise control over watermark placement and appearance, making it an excellent choice for users who require fine-grained control over their watermarking process. In this case you may want to copy the watermarke part of the image (which matches watermark dimensions), apply watermark and then copy back the watermarked fragment When the two images are of the same size, adding a watermark to the image is actually very simple, simply add an image to another image (the two images can be multiplied by a certain coefficient to control the effect of addition ): # Include # Mar 9, 2024 · The approach: Estimate the watermark using morphological closing This swallows all the thin black features and leaves the watermark. Batch watermark your images online, easy and free! OpenCV is a popular computer vision library that offers video watermarking capabilities. You can use the following steps to create a watermark on an input image Import the required library. Watermarks are simply patterns, images, or text placed in an image by an editor or producer Oct 13, 2012 · while searching for a solution to automatically put a watermark to an image in internet, i found a best solution in stackoverflow. For more advanced graphic manipulations, consider exploring additional features provided by OpenCV. Feb 5, 2025 · Adding watermarks to videos Overlaying a text watermark onto each frame can be achieved by drawing with OpenCV's functions. Learn these functions: cv. Reads the image (leaves. The process can also be automated to watermark thousands of images. a. There are various image processing you can do using pillow library like resizing, creating watermarks, rotation of the image In this video on OpenCV Python Tutorial For Beginners, I am going to explain how to perform Bitwise Operations on Images. We will use OpenCV for this project to add logo and text as a watermark. Let’s assume we have n such blocks Let the value of key = k. Firstly we will be providing the destination where we want to place the watermark, then we will pass that destination to the addWeighted function with the image and logo. png). shape [:2] (B, G, R, A) = cv2 Dec 1, 2017 · photos opencv csharp wpf image-processing steganography watermarking emgu-cv watermark-tools watermarking-image guilan-university Updated on Sep 8, 2024 C# May 29, 2025 · Your task for today is to build a real-world Python script that overlays text on multiple images using OpenCV. add () to add the images. In this article, we will learn how to add text and watermarks using Pillow. 1. 5, watermark, 0. Add watermark to image files effortlessly with the free Pi7 Watermark Tool. Image Addition You can add two images with the OpenCV function, cv. Feb 28, 2024 · Problem Formulation: Watermarking images can be essential for copyright protection or branding purposes. You can also refer to this simple watermark tutorial: Watermark image using opencv in python How to use PIL library for text watermark on an image?. Add Custom Watermark to Photos in 5 Mins Batch watermark photos right in your browser. I am trying to remove some “noise” surrounding the dates using Python. We make this tutorial very easy to learn. Whether you’re creating panoramas, adding watermarks, or merging photos for creative effects, blending overlapping images requires precision and efficiency. So I read and learn from those posted their solution here. int main(){ Mat im1,im2,im3,gray,gray2,result; im2= Dec 16, 2024 · Conclusion “From Image to Video: Using Python and OpenCV for Video Generation and Editing” is a comprehensive tutorial that covers the process of converting images into videos using Python and OpenCV. Jan 3, 2023 · Step 4: To add a watermark to an image we will use the addWeighted function from OpenCV. Contribute to Shreets/Add-Watermark-to-Images development by creating an account on GitHub. ). rows)); cv::addWeighted (imageROI, 0. When you add these words to your images, it helps keep your work safe and gives credit to you. I have some questions whether I have done things correctly and what I can improve. Method 1: Overlaying Transparent Text Applying transparent text as Sep 28, 2022 · To add a watermark to an image, we will use the cv2. k. jpg"); cv::Mat watermark = cv::imread ("c:\\2. , a landscape photo) and rendering a transparent text or logo overlay as the desired output. watermarks sometimes work as branding & marketing for the company or as an individual. Find the center of main image and the points correspon An image-based watermark may be applied to an image using OpenCV's robust image-processing capabilities. This helps in both personalizing and protecting the reuse of your images. Watermarking is crucial for both protecting and branding digital media. com Oct 22, 2024 · Watermarks are an important part of businesses. So far I tried, inpainting method in opencv. Using OpenCV (Python) to add text watermark on images - fengxueem/PyImgWatermark Dec 1, 2020 · So I have about 12000 image links in my SQL table. Contribute to adavenport94/add-watermark development by creating an account on GitHub. The watermarking algorithm is a pretty simple one: Divide the image into non-overlapping blocks of dimensions 8x8. As of the this writing, it requires a couple pre-release NuGet packages, but the ImageSharp libraries seem to work pretty well for at least basic use. So we will see How to use Bitwise Operators (bitwise_and, bitwise_or, bitwise_xor, bitwise_not) in an image in OpenCV. Watermark-Removal An open source project that uses a machine learning based image inpainting methodology to remove watermark from images which is totally indistinguishable from the ground truth version of the image. Resize main image to fit screen2. This barely works. watermarks sometimes work as branding Import the image you would like to watermark. See full list on pyimagesearch. Make multi-part watermarks. In this article we are create watermark on our selected image . 5, 0, imageROI); cv::imshow ("result image&#34 Get Free GPT4o from https://codegive. A watermark is a logo, signature, text, or pattern that Jul 25, 2018 · I set myself a task to create a simple OpenCV program to watermark image. After that Sep 16, 2021 · I'm new in OpenCV, and I will be happy to help me I have a transparent watermark image like this And I want to put watermark on bottom-left corner of multiple images with python OpenCV each images Mar 28, 2023 · Image by Siegfried Frech from Pixabay Watermarking images is an essential task for photographers, artists, and anyone who wants to protect their visual content from unauthorized use. The program should go through all image files in a folder, add a custom text label (like “Sample Text”) to each image, and save the modified images to a new folder. Apr 10, 2020 · We’re going to see right now how to add a watermark automatically to multiple images using Opencv with Python. invisible-watermark is a python library and command line tool for creating invisible watermark over image (a. Watermark is the process to stick logo/text into the image. Instant uploads and downloads. This helps us to identify the actual developer of an artist. Aug 22, 2020 · In this article, we will demonstrate how to create a watermark on the original image through the logo and text. Jan 8, 2013 · Adding (blending) two images using OpenCV Prev Tutorial: Operations with images Next Tutorial: Changing the contrast and brightness of an image! Goal In this tutorial you will learn: what is linear blending and why it is useful; how to add two images using addWeighted () Theory Note Jan 3, 2023 · Step 4: To add a watermark to an image we will use the addWeighted function from OpenCV. To add a watermark to an image using the Python Pillow library (PIL), you can overlay a transparent watermark image on top of the original image at specific position using Image. Finally, we show-off with some cool effects for beginners, such as fading in Learn in this quick tutorial how to add a watermark to images. add (), cv. دیدئو dideo Image processing uses OpenCV to add watermarks, Programmer Sought, the best programmer technical posts sharing site. ykkf gmxob dmtbal jeyz sxwpr yibhwul mrmu rtlujovb kxng fab tbq ajdyl veslolv xyfdok luxh