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

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3
votes
3answers
181 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 ...
4
votes
1answer
97 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 ...
19
votes
1answer
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 ...
2
votes
0answers
48 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 ...
2
votes
0answers
188 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 ...
1
vote
1answer
41 views
1
vote
1answer
70 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 ...
4
votes
3answers
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 ...
7
votes
2answers
231 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 ...
1
vote
0answers
71 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 ...
10
votes
1answer
274 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 ...
0
votes
0answers
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 ...
1
vote
1answer
95 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 ...
0
votes
1answer
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: ...
2
votes
0answers
93 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? ...
11
votes
1answer
340 views

How to recreate a certain word cloud

This is my current method: ...
9
votes
1answer
123 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): ...
4
votes
2answers
196 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 ...
3
votes
1answer
253 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 ...
0
votes
0answers
44 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: ...
4
votes
1answer
115 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: ...
9
votes
3answers
234 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 ...
16
votes
2answers
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 ...
4
votes
1answer
96 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 ...
6
votes
0answers
77 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 ...
6
votes
1answer
133 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 ...
1
vote
0answers
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 ...
18
votes
1answer
298 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 ...
2
votes
0answers
76 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 ...
6
votes
3answers
145 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 ...
3
votes
3answers
106 views

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

I'm having difficulty with Importing urls embedded in a site (with and without pagination). This command: ...
3
votes
2answers
256 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 ...
7
votes
1answer
78 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 ...
11
votes
1answer
143 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 <...
-2
votes
1answer
282 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 ...
7
votes
1answer
165 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 ...
1
vote
2answers
154 views

ImageType used by ImageData

I have an image of type "Byte" (from ImageType[image]). When I perform calculations with ...
3
votes
1answer
102 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 ...
1
vote
1answer
130 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
2
votes
0answers
111 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 ...
11
votes
3answers
425 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 ...
5
votes
0answers
124 views

Transparent bitmaps in controllers. Problem with initial appearance

Bug introduced in V9.0 or earlier and persisting through 10.4.0 I have a problem with images with alpha channel which I want to use as labels on Button etc. ...
2
votes
1answer
90 views

Show scatter plot of change in image saturation

Let's say I have two images. One is the original and the other is after some photo-manipulation has been applied to it. I want to show the effect on the color saturation using a scatter chart. ...
1
vote
0answers
56 views

ImageAssemble and Export gif takes too much memory

Errr.... First Let's create some gifs: ...
8
votes
1answer
108 views

Setting an image as the background of a GeoGraphics image

It's easy to set the background of a GeoGraphics image to black, e.g., ...
2
votes
0answers
95 views

ImageData to Image to ImageData, in LABColor [closed]

Given an $m\times n$ image $G1$, I'm trying to: Extract the $mn$ pixels of $G1$ as an $n\times m$ matrix $M1$ of triples, where each triple represents the color in LAB space. Turn $M1$ into an $m\...
7
votes
0answers
152 views

Incorporating photos into a Mathematica-made web page

I use Mathematica to make my web page. I make various .nb files, usually with photos, and then use an Export command to convert the .nb file to an .html file with ...
3
votes
1answer
352 views

Compute a hessian matrix on a image?

Is it possible for Mathmatica to load a gray image and apply a hessian matrix on it?... It used image processing to find good features.
11
votes
2answers
677 views

Generating uniform random points over a binary image

So I recently read this excellent post about generating random points over arbitrary regions. I hope Wolfram eventually builds that functionality into Mathematica's Random functions. I want to do this ...
1
vote
0answers
125 views

How to import all the images in a folder? [closed]

the source code is ...