Digital & Data

ピクセル

定義

ピクセル(画素)は、デジタルディスプレイまたはデジタル画像において個別にアドレス指定可能な最小の色の点。

解説

Each pixel on a color display contains sub-pixels for red, green, and blue (RGB), each controllable independently. A 4K display has 3,840 x 2,160 = 8,294,400 pixels. Pixel size on screen depends on display resolution and physical dimensions: a 27-inch 4K monitor has pixels about 0.16 mm wide. In photography, 'megapixel' counts refer to millions of pixels captured by the sensor.

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