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How to rescale image node?


How to rescale image node?

By : Simon
Date : November 17 2020, 04:28 AM
I hope this helps . Without using HTML, what is a straightforward way to resize external images used in a GraphViz document? For example, with the following: , You can make the external images smaller several ways.
code :


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Image rescale and write rescaled image file in blackberry

Image rescale and write rescaled image file in blackberry


By : user2000991
Date : March 29 2020, 07:55 AM
this one helps. Check out getScaledHeight() and getScaledWidth() in EncodedImage.
It's a dirty RIM trick.
code :
Bitmap scaledBMP = scaledEI.getBitmap();
JPEGEncodedImage finalJPEG = JPEGEncodedImage.encode(scaledBMP, 80); // int arg is quality
raw_media_bytes = finalJPEG.getData();
raw_length = finalJPEG.getLength();
raw_offset = finalJPEG.getOffset();

// don't forget to use the length and offset info, because getData() is
// not guaranteed to work by itself.
`LinAlgError: SVD did not converge` when attempting to rescale a 4D array using `skimage.transform.rescale`

`LinAlgError: SVD did not converge` when attempting to rescale a 4D array using `skimage.transform.rescale`


By : Sem Seriou
Date : November 06 2020, 03:59 AM
hop of those help? From the documentation:
code :
In [1]: data = np.random.randn(500, 1, 28, 28)

In [2]: rescaled = transform.rescale(data, (0.5, 0.5, 0.5, 0.5))
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-2-638fc58c2154> in <module>()
----> 1 rescaled = transform.rescale(data, (0.5, 0.5, 0.5, 0.5))

/home/alistair/.venvs/rfmap/lib/python2.7/site-packages/skimage/transform/_warps.pyc in rescale(image, scale, order, mode, cval, clip, preserve_range)
    164 
    165     try:
--> 166         row_scale, col_scale = scale
    167     except TypeError:
    168         row_scale = col_scale = scale

ValueError: too many values to unpack
In [3]: from scipy import ndimage

In [4]: rescaled = ndimage.zoom(data, 0.5)

In [5]: rescaled.shape
Out[5]: (250, 1, 14, 14)
How can I rescale axis without scaling the image in an image plot with matplotlib?

How can I rescale axis without scaling the image in an image plot with matplotlib?


By : grooveslayer
Date : March 29 2020, 07:55 AM
should help you out With the extent property of imshow you can put any possible range on the axis, without changing the plot.
code :
import numpy as np
import matplotlib.pyplot as plt

data = np.arange(25)
data.shape = (5,5)

plt.imshow(data, interpolation='none', extent=(-3, 27, 5, 31))
plt.show()
Can't rescale image with css

Can't rescale image with css


By : Brian
Date : March 29 2020, 07:55 AM
may help you . I've searched on a lot of topics and I didn't found the solution... , Have you tried adding the following?
code :
.slideshow-image img{
    width:100%;
    height:auto;
}
Transforming raw pixel using rescale slope and rescale intercept in DIcom

Transforming raw pixel using rescale slope and rescale intercept in DIcom


By : Gaurav Peswani
Date : March 29 2020, 07:55 AM
may help you . You are probably dealing with CT images. RescaleIntercept tag for CTs usually set to -1024. Negative -1000 value you obtain makes perfect sense, it corresponds to air in Hounsfield units (as Anders said). Now if you want to visualize the image, you have to apply a transfer function that will map HU scale to RGB for instance.
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