• 2022-06-06
    CCD sensor is poor in terms of sensitivity and image quality. The reason is that each pixel of CCD needs an A/D, which reduces the photosensitive area of each pixel. In addition, the use of pixel equivalent A/D converter will also cause high noise interference. ( )
  • 内容

    • 0

      How big one image can be magnified depends on the ______of the original photograph. A: Image B: Format C: Pixel D: Color depth

    • 1

      1. For an image with 100 * 100 pixels, each pixel has 8-bits to express its gray scale.If the data volume of the compressed image is 40000 bits after Huffman coding , the compression ratio of the image is ( ). A: A. 4:1 B: B. 3:1 C: C. 1:2 D: D. 2:1

    • 2

      What is used to capture our image?(). A: CDC<br/>sensor B: CCD<br/>sensor C: DCC<br/>sensor D: CDD<br/>sensor

    • 3

      【单选题】CR 影像的空间分辨率表示方法为 A. Pixel B. Pixel/cm C. LP/mm D. LP E. Cm

    • 4

      pixel aspect ratio指的是(__)Frame Rate指的是(__);