How to plot greyscale histogram of an image
120651
Generate 3d surface plot using black and white heightmap and pgfplots
19827
Get image pixels of prescribed color
139333
How to plot an image with non-linear y-axis with Matplotlib using imshow?
139515
Histogram with Logarithmic Scale and custom breaks
16627
How can I convert an RGB image into grayscale in Python?
40461
Rendered image is just grey
99665
Histogram: different color for each bar
96035
Finding specific pixel colors of a BitmapImage
65660
How to calculate the signal-to-noise ratio (SNR) in an image?
19299
How to plot periodic function's graphic?
149210
Histogram using gnuplot?
51308
How to colorize an image as in the example?
82581
Histogram: Compare PDF to Data
146958
Detecting colors for an Image using PHP
145293
Making an image with a transparent background
68803
3-dimensional histogram in pgfplots
48186
Interactive pixel information of an image in Python?