Make a fake bokeh effect in After Bokeh Application
Bokeh is a Japanese word that translates as blur or haze. In photography it is used to refer to the quality of the area beyond your depth of field that is out of focus. Out-of-focus highlights often result in spots known as ‘bokeh’. The bokeh effect is particularly apparent at night, when lights from street lamps, windows and cars are captured as pretty patterns.

While it’s satisfying to capture bokeh in-camera, success is dependent on location and background detail. Alternatively, you can add bokeh to your photo using Bokeh Effect application, as we show here. This means you can control exactly where the blurry shapes appear, and sample hues from the image to create a complementary colour scheme.

The important step is going to be to isolate the foreground from the background, so that we can blur the background only.

The magnetic lasso tool detects and snaps to the edge of an object as you to trace along its outline, it tries to figure out where the edges of an object are by looking for differences in color and brightness values between the object you're trying to select and its background. As you drag along the edge of an object, the tool drops fastening points to anchor the selection.

Click the photo
Gently move your finger on the screen anywhere you can fine-tune the position of the anchor
Overlapping start and end anchor to closed path
Try to choose the smallest step size

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