File: centerize.py

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python-imgviz 1.2.4%2Bds-1
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#!/usr/bin/env python

import matplotlib.pyplot as plt

import imgviz


def centerize():
    data = imgviz.data.arc2017()

    rgb = data["rgb"]

    H, W = rgb.shape[:2]
    centerized1 = imgviz.centerize(rgb, shape=(H, H))

    rgb_T = rgb.transpose(1, 0, 2)
    centerized2 = imgviz.centerize(rgb_T, shape=(H, H))

    # -------------------------------------------------------------------------

    plt.figure(dpi=200)

    plt.subplot(131)
    plt.title("original")
    plt.axis("off")
    plt.imshow(rgb)

    plt.subplot(132)
    plt.title("centerized1:\n{}".format(centerized1.shape))
    plt.imshow(centerized1)
    plt.axis("off")

    plt.subplot(133)
    plt.title("centerized2:\n{}".format(centerized2.shape))
    plt.imshow(centerized2)
    plt.axis("off")

    return imgviz.io.pyplot_to_numpy()


if __name__ == "__main__":
    from base import run_example

    run_example(centerize)