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Questions tagged [image-comparison]

Methods, algorithms and techniques for the programmatic comparison of image data.

Methods, algorithms and techniques by which images can be programmatically compared, either to one another or to a database of extracted image features.

Meaningful image comparison will typically involve the extraction of some of features from the images in question, as metadata. Many techniques for feature extraction (and subsequent feature selection) come from the content-based image retrieval field.

Typical image-comparison schemes necessitate some manner of image processing as well.

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Homomorphic filtering in java

Has anyone know the concept and working of homomorphic filtering and its java implementation. i need to compare two images . from camera to database . i am using naive similarity algorithm. it is working well. but light changing is a problem. how…
Nisha
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Image comparison android

I have developed an app for image comparison. here i am comparing colors. the reference chart is in the database. the working of my app is like.. Capturing the colors by camera . camera is controlled by camera API not intent. and the captured image…
Nisha
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How to compare two images pixel by pixel and frame new image from the dirty part of image

I am capturing the screen using robot.screenCapture() and frame bufferedImage1. Again I am capturing desktop screen and frame bufferedImage2. Could please tell me how to compare these 2 images (bufferedImage1 and bufferedImage2) pixel by pixel. If…
mini
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Two image compare using win32 api c#

i have two images and i want to compare two image and want to get difference. i search google and found a link from where i copy paste the code for image comparison using win32 api. so this is the…
Thomas
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Using ImageMagick.NET to compare images

I need to do a "fuzzy" image comparison in c# - I have used ImageMagick.NET for stuff in the past and know it's good for the job. There is a compare command in Image Magick: http://www.imagemagick.org/script/compare.php And there is a Compare(Image…
user156888
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iOS: Compare the image against image

I am looking for something interesting but not sure whether it's possible or not in iOS. Ideally I want to take a photo of any tree using iPhone and want to recognize what tree is it! This is beyond the scope but I would be happy to research if…
Paresh Masani
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How to design image compare slider in flutter

I want to develop a image compare slider. I have already used 2 very useful packages: https://pub.dev/packages/before_after https://pub.dev/packages/image_compare_slider But there's one issue with them i can't move divider/track out of widget. Track…
Hadi Khan
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How can I extract frames from gif and further convert the frame into grayscale?

So, I'm working on this task I was given where I should be able to compare two image files and state how similar they are. But it should work with all file formats like jpg, png, gif etc with files of different sizes. I am using the Structural…
Anniebv
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WordPress Theme Function For Compress and Covert Uploading Images to WebP Format Using Imagick

I have written this function code for compressing and converting uploading images to WebP format using Imagick and adding them to media library and delete the original uploading file format. I've written this function at WordPress Theme Functions…
Misagh Mi
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Python/html image comparison slider and video

I need to compare two images with a slider [see sample below] and then create a video with sliding from left to right. I also need to add labels (before and after). How can I do this is Python? I did this in html 1 but I cant create a video. HTML…
band
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Not able to capture the image with BufferedImage buffimg =ImageIO.read(new URL(webImageLoc)) in Selenium webdriver java

I am trying to compare the page logo by downloading it first and after taking its screenshot. Below is the LUMA logo that I am trying to verify via Selenium WebDriver Java with Cucumber: I am using AShot API to compare the logo. I tried below code…
Priyank Shah
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How can I find the difference between two images of different shape/size in python?

I am stuck at the situation where i have to find difference between the images of slight different shapes which I am unable to do. I have tried to resize the image using cv2, but after making the images' size similar, the amount of differences are…
Anand Bhandari
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Getting started with screenshot inventory recognition

I kinda wanna work on something for personal interest but I've hit a bit of a brick wall on the theory aspect due to lack of experience and would appreciate any help with it. (I marked the main questions with 1) and 2) since it got a bit messy…
KodeeBoar19
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Check if image already exists in folder by comparing the images

I want to write a simple c# windows forms application in .NET 6/7 where I can choose a source folder containing image files and a target folder containing image files. The main functionality is to copy all image files from the source folder to the…
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Problem with squarespace code: can't understand why Image Comparison Slider works on any platform, but on squarespace website not

I have this code for a image comparison slider which works fine. But when i try it on squarespace by code block injection, the overlay image doesn't work properly.. can someone help me out? …
HereToLearn
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