image's questions - English 1answer

502 image questions.

When exporting an image from the Mathematica and comparing it to the same image in the code using ImageData[Img,Byte], it results into 2 different vectors , so what'...

The function MorphologicalComponents works on both images and matrices, as in the following code: ...

I have 2 images, imgBlackOnly and imgRedOnly as below, which already have the same ...

As of iOS 11, iPhones save images with a new compression format HEIC. Now all my photos are all in this format and I'd like to import them to Mathematica but this is not a supported image filetype. ...

I have a gif Example.gif, and would like to play it in a presentation. I used the following code:- ...

I need to put the circular image 1 in the image with the hole 2 (and cover the gap) the idea is to create an animated gif that shows the image 1 turning to the right and image 2 to the left in a size ...

I am trying to create an interactive map that when you click a room, you get send to a more detail of it. I am struggling to put multiple buttons on an image as well as have them line up with the ...

Good Day everybody, I have difficulties to save both 2D and 3D plots in vectorial format. I can get acceptable results if I save manually: righ-click on image, "Save Graphic as..." or "Print as...". ...

I am trying to import a gif animation, which is about 80MB. The goal is to convert the image to grayscale, and then do some calculation on ImageData for each frame. ...

Bug probably present through all versions of Mathematica [CASE:4081592] Does Mathematica have a feature to set the pixel aspect ratio of 2D images? For example, ...

This is a question relating to grouping of components picked out using ComponentMeasurements to make a complete perimeter of a shape. My goal is to measure the perimeter of each of these worm-like ...

I am trying to map the image "Angels and Devils" by M.C. Escher onto a cigar-like shape. The code I have now is ...

I have an image img1 and some data with a density plot plot1 to reflect the target position of the image. I tried to combine <...

I have created an image of Europe as below:- ...

I am trying to plot the points of virus outbreak along time of 3 areas. I already have the data1, which have 3 columns: x-coordinate, y-coordinate and time. Then I ...

Bug introduced in 11 or earlier and persisting through 11.3 CASE:4076121 I'm having a hard time to understand how I can use HighlightImage and only draw the ...

I can use ImageDistance to get the Euclidean distance between two images. But, I have list of (~100) images, and I want to sort them such that the average ...

I am trying to fit an array to an image generated from real data. Here is the sample image: This is a filtered magnetic dipole with some noise thrown in, and now I'm trying to fit my equation for a ...

Hello Mathematica experts :) I have some SEM images of the nano-particles. However, the technician can not get better results. With Mathematica image treatment, could we improve to get higher ...

Bug introduced in 10.2, fixed in 11HighlightImage is supposed to work with graphics-primitives like Line and ...

I'm looking for a function to download N images from Twitter with certain text in the tweet. Is there a better way to perform this search than this naive code: ...

Suppose that I have plotted many figures and have exported them as images. Now for the post-processing phase, I would like to import these figures and manipulate them in such a way that a slider ...

How can I extract a hidden image using discrete wavelet transform? I have used the function ImageFusion from this site to hide an image inside another one. ...

Given this RGB image I want to find the number of points that are, or almost, black ؟

Every call to WebImageSearch costs money (wolfram service credits), thus, I would like to page through results without having to redownload them. Given the ...

How to generate such form of QR code which displays an image itself but is still scan-able?

I have this image that I want to turn into data using this gradient black being 0, white being 1, and all the colors in between accordingly, so I could later use ...

Im learning Mathematica and the Wolfram language for shot time by myself. Its a pain for me that many settings are somehow hidden. Now I spent hours to find solution for something I already did with ...

I need the image to be totally blank, so the black must disappear

Consider, I have a disk colored in "LAB" color space. When I convert the graphics into image object it is by default getting converted into "RGB" color space. ...

I would like to optimize this codefadeAndShine[old_, new_] := If[old == new, {1, 0.8, 0.2}, new]; ImageApply[fadeAndShine, {imageA, imageB}]Is it possible, and ...

I'm working with FashionMNIST, a small (70k) list of rules containing 28x28 images. I don't understand the slow-down in the example below. No matter the size of the list, simple operations like taking ...

Table[ Export[ StringJoin["x", ToString[i], ".png"], Style[StringJoin["x", ToString[i]], RGBColor["#FF00FF"], 1024] ], {i, 1, 200} ]How to make it ...

My goal for this is to simply count the number of eggshells in the image. Using color negate only leads to this ...

I have an image where I would like to do 2 things: a) Put a disk of radius r on an specific $\{x,y\}$ position on the image such as the result is the original image within the disk and black color ...

I recently posted a question. And I got a great answer from Mr. Carl Lange Image Segmentation His solution worked like a charm. However, I got another request which is more generic in nature. The ...

We are trying to make sense of the numbers provided by the PC program FourierPainter for a 2D Fourier Transform of a diffraction pattern. We would like to evaluate the ratio of the zeroth harmonic ...

Image Segmentation

1 answers, 120 views image segmentation
I have what should be a pretty simple question for Mathematica gurus. I have a set of images containing cars and a background. I am trying to create a black and white image where the white part is the ...

With ColorProfileData Mathematica 10 can handle device-dependent color spaces. However images with embedded color profiles, e.g. ...

here is the background: I have a SQL database that (among other data) contains images I connect to the database, extract and store the relevant data in variable picData like so ...

Exporting Image files (intermittently) doesn't work: I get messages back indicating the error is to do with escaping characters: ...

So, I use the following code to carry out the discrete wavelet transform on an image of Lena. I am interested in then doing some changes to a single image out of the obtained 4. How do I extract any ...

I am trying to take an equilateral triangle and get it's projection at an angle of 60 degrees. I have the triangle already (SSSTriangle[6, 6, 6]) and I have tried to figure out how to use Projection[] ...

I'm trying to set up a raspberry pi as a webcam server and I need to import images into a Mathematica notebook on the raspberry pi. I tried using CurrentImage[] ...

When exporting gif animation, for example ...

A very long time ago I used Mathematica for a few months and found it very intuitive. Now for my work I use MATLAB. I was just trying some stuff out with Mathematica again and there is something I ...

How to generate a picture like the following (from Paolo Čerić's blog)? I'd like the surface of the manifold to randomly distort.

My data is as shown below. I want to make an image where the 1's have one colour, the 2's have another colour and 0's are rendered as blank. How can I achieve that? ...

I have an image with alpha channel. I want to take a crop and save it with alpha channel. When I save it manually using the "save Image As" tools, I get an RGB image without channel value!

I have to publish some work and it requires to meet specific criteria for the image size and plot size. 1) the Area of the figure must be fix 2) the width of the x-axis also must be fix for any plot ...

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