python-imaging-library

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Fast loading and display of images in python (Utilizing Libjpeg Turbo in Python?)

I am currently creating an image viewer in python using Tkinter and PIL, but I want the image loading to be quicker. Therefore I would like to know how I could install and utilize Libjpeg Turbo with T[详细]

2023-04-03 10:53 分类：问答
PIL - empty PSD image

I\'m trying to load this PSD image with Python Imaging Library. http://www.2shared.com/photo/JjSY7dN-/BG1.html[详细]

2023-04-03 07:12 分类：问答
Changing image hue with Python PIL

Using Python PIL, I\'m trying to adjust the hue of a given image. I\'m not very comfortable with the jargon of graphics, so what I mean by “adjusting hue” is doing the Photoshop operation called “[详细]

2023-04-02 00:43 分类：问答
Optimizing performance when reading a satellite image file in python

I have a multiband satellite image stored in the band interleaved pixel (BIP) format along with a separate header file. The header file provides the details such as the number of rows and columns in t[详细]

2023-04-01 06:10 分类：问答
Object tracking in python

I\'m working on a program in PYTHON which is able to do the following: A webcam is watching a movement, where an object is moving on a path. The object to be tracked is marked with a big yellow spot.[详细]

2023-04-01 04:58 分类：问答
How does one draw a tilted ellipse in ImageDraw?

I am trying to draw a tilted ellipse in image draw. However, I am not sure how to define it, since while the scheme below would move the points, I think this would just squish the ellipse, not rotate[详细]

2023-03-30 04:41 分类：问答
PIL's Image.frombuffer expected data length when using ctypes array

I am using Python, PIL and ctypes to do image manipulation.As I hacked stuff together, I used PIL\'s fromstring function to get the pixel buffer from ctypes into a PIL object.I simply iterated over th[详细]

2023-03-29 12:30 分类：问答
python PIL and Image scaling

I want to make sure an image that will be saved stays inside the border of my specific dimensions and scales down if any of its dimensions exceed these specific dimensions开发者_如何学JAVA.[详细]

2023-03-29 11:46 分类：问答
Normalize histogram (brightness and contrast) of a set of images using Python Image Library (PIL)

I have a script which uses Google Maps API to download a sequence of equal-sized square satellite images and generates a PDF. The images need to be rotated beforehand, and I already do so using PIL.[详细]

2023-03-29 08:20 分类：问答
Python PIL: best scaling method that preserves lines

I have a 2D drawing with a black background and white lines (exported from Autocad) and I want to create a thumbnail preserving lines, using Python PIL library.[详细]

2023-03-29 06:45 分类：问答