Extract images from PDF without resampling, in python?

You can use the module PyMuPDF. This outputs all images as .png files, but worked out of the box and is fast. import fitz doc = fitz.open(“file.pdf”) for i in range(len(doc)): for img in doc.getPageImageList(i): xref = img[0] pix = fitz.Pixmap(doc, xref) if pix.n < 5: # this is GRAY or RGB pix.writePNG(“p%s-%s.png” % (i, … Read more

What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

Yes. They are different file formats (and their file extensions). Wikipedia entries for each of the formats will give you quite a bit of information: JPEG (or JPG, for the file extension; Joint Photographic Experts Group) PNG (Portable Network Graphics) BMP (Bitmap) GIF (Graphics Interchange Format) TIFF (or TIF, for the file extension; Tagged Image … Read more

How can I reference an image in GitLab markdown in the current directory with the path starting with ./ dot slash?

![](images/image.png) without the ./ works for me: https://gitlab.com/cirosantilli/test/blob/bffbcc928282ede14dcb42768f10a7ef21a665f1/markdown.md#image I have opened a request for this to be allowed at: http://feedback.gitlab.com/forums/176466-general/suggestions/6746307-support-markdown-image-path-in-current-directory-s , but it entered into Internet void when GitLab dumped UserVoice.

Resizing an Image without losing any quality [closed]

As rcar says, you can’t without losing some quality, the best you can do in c# is: Bitmap newImage = new Bitmap(newWidth, newHeight); using (Graphics gr = Graphics.FromImage(newImage)) { gr.SmoothingMode = SmoothingMode.HighQuality; gr.InterpolationMode = InterpolationMode.HighQualityBicubic; gr.PixelOffsetMode = PixelOffsetMode.HighQuality; gr.DrawImage(srcImage, new Rectangle(0, 0, newWidth, newHeight)); }

OpenCV & Python – Image too big to display

Although I was expecting an automatic solution (fitting to the screen automatically), resizing solves the problem as well. import cv2 cv2.namedWindow(“output”, cv2.WINDOW_NORMAL) # Create window with freedom of dimensions im = cv2.imread(“earth.jpg”) # Read image imS = cv2.resize(im, (960, 540)) # Resize image cv2.imshow(“output”, imS) # Show image cv2.waitKey(0) # Display the image infinitely until … Read more

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