# Tagged Questions

Tag for questions about bitmapped graphics, particularly those using the Image function.

225 views

### Filling a rectangle with an image

Say I have some rectangles of different sizes drawn on the screen. How can I fill them all with the same image? Ideally, the image would be resized to completely fill each rectangle. I've been trying ...
84 views

### How to prevent an option from being displayed by Options?

Options[image] This gives a list: ...
139 views

### Extracting PNG images from AVI movie

I have written the following code to extract all images from an uncompressed AVI movie and to save them as sequential PNGs. ...
38 views

### Exporting multiple sizes of the same image

I have generated an image using (for example) out = Plot[x^2, {x, -2, 0}, PlotLegends -> {x^2}] and would like to export two versions of that image, one that ...
398 views

### Reconstruct a graph from an image (curved edges and edge crossings)

Actually, I posted a very similar question before this.How to generate a Graph from a picture of a graph Dr. belisarius's answer have answered that question, but I find a limitation in that method: ...
275 views

### How to generate a Graph from a picture of a graph?

I have a picture like this I can get this graph's vertexes ...
183 views

### Use custom frame ticks on an image

I chose as an example a familiar figure! img = Import["Lena.jpg"]; Now let's confine her inside a frame ...
98 views

### How to adjust the parameter of TextureCoordinateScaling

I wanna draw a picture like this This is my current work,First get the texture of picture ...
203 views

### How to count proportion of two phase in a electron microscope picture

I have a picture: The sunk area is a phase,and the bulged area in another phase.I want count the proportion of this two area.this is my method.First I get the ...
52 views

### Exporting or save graph to pdf, when will the rasterization occur?

For simple graph Plot[Sin[x], {x, 0, 10}] No matter right click save as pdf or export as pdf, the result is vector image. But for ...
218 views

### How to convert an uploaded image to a “dot-to-dot” puzzle? [closed]

I would like to upload an image to Mathematica and have the software place numbered points throughout the image so that it appears as a "dot-to-dot" image puzzle. I would also like to specify exactly ...
42 views

### How to Framed the element which is in a approximate connectional line between any two position in non-square matrix

As you see,I can Farmed the diagonal element: ...
84 views

### Edit header information of a DICOM file and export it again

I have some DICOM files and want to edit a part of the Header and export the DICOM files with this edited header. I know how to Import a DICOM files and extract the Header Information, but how to ...
188 views

### How to realize a Harmonic Tool like as CorelDraw [duplicate]

I get a rectangle and a circle like following: The Harmonic Tool of CorelDraw can transition the rectangle to circle ...
235 views

### How to resample a list of Images

I have a list of picture(Noting the ordering) first: second: third: forth: My target is get the 3D'image,Now I get the mask of it like following(If you use ...
73 views

### Detecting and measuring an ellipse in a glaucoma photo? [duplicate]

I've tried the solutions given in How to find a circular object in the image glaucoma? to detect the ellipse, but the detection results are not quite what I wanted. In glaucoma we have a cup to disk ...
277 views

### How to patch fingerprint ridges

I get a fingerprint: But as you see,there are some place is discontinuous,such as: The question is how to patch the discontinuous line according its gradient?The only one thing that I can think ...
22 views

### How to get an image when having indices of pixels [duplicate]

I am doing a perspective projection of a list of voxel V={v1,v2,v3,...,vn} using the perspective projection matrix 3*4 to get the indices of each pixel pi=(xi,yi). pi=P*vi Once I get the indices, I ...
100 views

### Multiple Import and Export of Images

I wrote a program that imports an image and creates three new images, for example "black and white" or "grey scaled". My problem is that i work with around 200 images and it takes a long time to ...
63 views

### Exported picture has less MB than imported

I have to duplicate a picture several times – and each time the duplicate shall have another name. I do this with mathematica 10 with the following easy code: ...
99 views

### Confocal Microscopy

Is it possible to direcly import Nikon ND2 files (e.g Confocal microscope 2D or 3D stacks files)? Otherwise how can we import TIFFs of 3D stack and process it as a single "entity" so to speak? ...
363 views

### How to recreate a certain word cloud

This is my current method: ...
124 views

### A bug in Rasterize?

I plot a straight diagonal line and then simply rasterize it. Consider what happens (Mathematica 10.2 on Windows 7 x64): ...
201 views

### PixelValues along a straight Line [duplicate]

UPDATE to the question I have reformulated the question in order to make it distinct from the one suggested as a duplicate: "Line Intensity Profile From Image." The key difference is that I'm ...
262 views

### Circular crop: extract non rectangular parts of an image

I want to extract a part of an image. For example, let's start with something like the following image: I would like to apply some image processing to get this result: I have tried to ...
45 views

### In a list of Disk, how to efficiently delete Disk which are close to other Disk? [duplicate]

I want to draw pictrue like this: My code is: ...
120 views

### How to use the ButterworthFilterModel to processing image

In the book of "Digital_Image_Processing_3rd" point out this: the 4.57a,4.57b,4.57c is like follow: So I do it according to the direction to: ...
239 views

### How to convert the binarize-picture to a Region

The Region of Mathematica is nice,and is the new conception of version 10.0.I can convenient get ...
1k views

### How to automatically remove text from images?

I'd like to remove the text in the center of images automatically. To use Inpaint[], you need a mask, but I don't have one. So really the problem is: How to build ...
100 views

### Fill a Circle in an Image

Let's suppose I have something like this (the image resulting from this): ColorNegate[Rasterize[Graphics[Circle[{100, 100}, 50]]]] Now, what I want to do is fill ...
79 views

### How to preview a list of images by sliding the mouse?

I'm trying to dynamically scrub over a list of images like in iphoto. Unfortunately, when the mouse moves from one side to the other, it's skipping frames which is confusing: When the mouse runs ...
134 views

### Strategy to build efficiently an image using parts of many images

I have about 1000 images of 1000px $\times$ 1000px and a list which contains the coordinates of the pixels to select, for each of the 1000 images. Each pixel is used once, so the final image is a full ...
42 views

### How to avoid “Quit[]” to execute notebook multiple times [duplicate]

I am using a program to binarize several images and then adding all the images together using "ImageAdd" to get one image. This image is required for further analysis of the images. The program ...
299 views

### Color degrades when using Copy As Bitmap

I have discovered a problem that affects my use of Mathematica. When I use the menu command Edit > Copy As > Bitmap the colors in the copy are subtly degraded. To make this more apparent I copied ...
77 views

### Detecting discontinuities in derivatives in images [closed]

Considering an grey-scale image as a function $z=f(x,y)$. (Specifically, I'm interested in $f=h*h*...*h$, where $h$ is the indicator function of a regular hexagon.) I am interested in finding places ...
148 views

### Which values did ImageAdjust choose?

I have a picture obtained from a camera in an experiment. It's a .dat file, contains only numbers. I can re-create the image by importing it as data and using the ...
107 views

### Why does Import[#, “ImageLinks”]& fail?

I'm having difficulty with Importing urls embedded in a site (with and without pagination). This command: ...
274 views

### How can I capture a rectangular area from an image?

I am looking for a method to extract rectangular areas from an image. The image is divided up into rectangular problem spaces like the image shown below. Each numbered problem is given with some text ...
82 views

### Exporting a Large Graphic Output Uncrops the Image

I want to export an image exactly as it is shown in the notebook, but when I specify a high image resolution, the image saved to disk does not match what is shown in the notebook (the image saved ...
146 views

### HighlightImage does not work consistently with Line

Bug introduced in 10.2, persisting through 10.3 HighlightImage is supposed to work with graphics-primitives like Line and <...
299 views

### How to get the coordinates of points within an image?

How can I get the coordinates of an image, and make Mathematica draw the image from the coordinates found? I am interested in just the outlines of the regions. Here is an example of the kinds of ...
168 views

### Optimal Binarize value for counting experiment

I am currently working on a physics experiment where I count particles. I have looked at and used a bit of code from the following sources: Cell counting from an image file and Count Elements in Image ...
156 views

### ImageType used by ImageData

I have an image of type "Byte" (from ImageType[image]). When I perform calculations with ...
103 views

### How to get the size of a specific image in the front end?

The title pretty much says it all. One possible point of confusion is that this question is not limited to items with head Image. I don't know what is the ...
146 views

### How to save all images in GraphicsGrid?

I have a 2X2 images. How to save all the images at once while using GraphicsGrid ? when I try the save graphic option only one image is saved
113 views

### Identify and measure single bubble radius in series of images (TIFF)

I aim to make use of Mathematica's image processing capabilities to measure the radius of bubbles in consecutive images taken with a high-speed camera. After searching through this website I have ...
436 views

### Best method to find variation in width along the image of a slit?

EDIT: Solutions by @Alexey Popkov and @Vitaliy Kaurov are very intuitive and both can be used to find a solution for the task. I have a slit of 15-18 microns by 1 mm projected with magnified 4X onto ...
161 views

### Transparent bitmaps or graphics in gui objects initially appear wrong

Bug introduced in V9.0 or earlier and persisting through 10.4.1 I have a problem with images with alpha channel which I want to use as labels on Button etc. ...