I think there are two key factors involved: low-key color and fuzzy boundary.

认为有二点：低调颜色和模糊的界限。

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For improving on the veracity, this method is combined with the color information by adding key color extraction.

为克服二值化处理后缺少色彩特征的缺点，进一步采用主色提取的方法，利用色彩信息提高算法准确率。

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Key color: Exquisite and careful artistic flowers, it is not in disorder or stiff, a lot of colors but not restrict.

关键色彩：精美细致的艺术花卉，颜色很多但却不限凌乱和呆板。

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The three new cameras all come equipped with Picture Effect settings that make it easy to spice up photos, movies and panoramas instantly and automatically with a range of fun, impressive artistic treatments like Toy Camera, Pop Color, Soft High Key and Partial Color.

ENGADGET: Sony brings Cyber-shot HX300, WX300 and TX30 to the US with fast autofocus

The F800EXR has six new filters: Pop Color, Toy Camera, Miniature, High Key, Partial color and Dynamic Tone.

ENGADGET: Fujifilm unwraps FinePix F800EXR camera with wireless sharing to Android, iOS

So a certain area of the movie was coded black and green, a certain area was crimson and gold, and when we laid out the movie in a big room, we had all the wardrobe, all the props, all the color-coded key art.

NEWYORKER: Show The Monster