imtool | ️ Client-side canvas-based image manipulation library | Computer Vision library
kandi X-RAY | imtool Summary
kandi X-RAY | imtool Summary
Canvas-based TypeScript image manipulation library.
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QUESTION
I'm using LSB encryption method to hide data in an image. When I try to get the decrypted message, the output message doesn't look like the original message. What am I doing wrong and how to fix it?
...ANSWER
Answered 2019-Dec-25 at 21:15You a have minor bug:
In for i=1:size(a)
, you are using m(1,8)=a(i);
instead of m(i,8)=a(i);
I used cameraman.tif
, because I don't have lena_1.png
:
QUESTION
I am trying to correctly inplement a batch file where a user can input values that fill into this script to pull from a different apps cmd file and pull image files from the server.
https://support.imago.live/hc/en-us/articles/360000870052-Downloading-Images-from-Imago
Generic command from Imago:
...ANSWER
Answered 2019-Nov-28 at 08:47This will work because you have splited --
and switch name:
QUESTION
I am currently trying to port a Mediatr Pipeline (Mediatr 7.0.0
) implementation to use a DryIoc
Container
(v. 4.0.5
). I Used the following implementation I had from DryIoC
version 3.0.2
:
ANSWER
Answered 2019-Aug-05 at 17:10You are using the DryIoc source package and registering its public types as well.
You need to either filter out DryIoc
namespace in RegisterMany
calls, or use DryIoc.Internal or DryIoc.dll packages.
QUESTION
I'm working on some chest scans from the LIDC database, I am trying to apply iterative (optimal) thresholding on them to extract the lung area. Many researchers use an initial threshold of (or around -500) although they use the same database. I quote
The HU values in each Lung CT scan range from +2000 to -2000HU. The lung area is a low density area ranging from -1000 to -450HU, called non-body area.
I'm using Matlab for that purpose, my scans have different ranges and the problem is, non of them has the lung area under the range of (-1000 to -450HU) (or at least as far as I know), all of the areas ranges are from 0 and above except the area of the rim (the area produced by the scan machine).
How can I make those scans have normal ranges (shift the hounsfield units or something else) for me to work normally on with a lung window of (width of 1500, and center of -500)?
Example of a scan: Here's a Dicom slice with the properties below:
- Widow Center: -600
- Window Width: 1600
- Rescale Intercept: -1024
- min value: -1024
- max value: +4095
I'm using the function dicomreadVolume to read the scans:
...ANSWER
Answered 2019-Jun-19 at 11:38Looking at the histograms, it seems that the function dicomreadVolume() does not take Rescale Slope and Rescale Intercept into account. I suppose the Pixel Representation (0028, 0103) of the image is 0 (= unsigned integer).
So in fact, you are not dealing with HU in Matlab, you are rather dealing with raw pixel values. The transformation to HU is achieved by applying the linear transformation to each pixel. The linear transformation is defined by Rescale Intercept (0028,1052) and Rescale Slope (0028,1053):
QUESTION
I am trying to convert all my images in a file into jpg format, defined as 'a' but I keep getting error as cannot convert. Any help?
...ANSWER
Answered 2018-Feb-23 at 13:20os.listdir()
returns the name of the files, without the path.
Unless the files are in your current working directory, you must give the complete path to open
them. You can use os.path.join()
for that.
Also, note that some sequences like '\n' are parsed as special characters in ordinary strings. This can be a problem on Windows, if any of the escape sequences appears in the path, as in 'C:\new'. To avoid problems, you should always write your literal paths as raw strings (r'.....') to tell Python not to interpret these sequences.
So, your code should look like:
QUESTION
I want to move a star marker along hexagon trajectory similar to "Circle trajectory" that I have added at the end of my question. Thanks.
This is the source code to that I have written yet for creating concentric hegzagons but I don't know how to move a star marker which traverses the concentric hexagons, I had written a similar simulation code for circle trajectory but I couldn't do it for hexagon.
...ANSWER
Answered 2017-Jul-08 at 07:56I would generalize your problem with parametric function for the trajectory. In it use rotation kernel which you want here few examples in C++/VCL/GDI (sorry I am not Matlab friendly but the equations should be the same in Matlab too) for circle,square and hexagon rotation kernels:
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