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formula to find compression ratio when bits per pixel is given

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14y ago

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How many pixel 30 KB?

30kb = ? pixel?


How many colors are possible if 8 bits pixel is used?

256, 8 bits per pixel = 2^8 colours.


How many bits per pixel are needed to represent a black and white image?

Most modern digital cameras use 24 bits (8 bits per primary) to represent a color. But more or less can be used, depending on the quality desired. Many early computer graphics cards used only 4 bits to represent a color.


If a tv screen has 525 scan line and an aspect ratio of 3 is to 4 and if each pixel contains 12 bits worth of intensity information how many bits per second are required to 30 frames each second?

141750


How many bits for each pixel in true color format?

24 bits/pixel: one byte for red, one byte for green, one byte for blue.


Do vector graphics have pixels?

No, they are shape based and do not have pixel bits.


How many different choices of colors are possible if you use 24 bits per pixel?

You can represent a maximum of 2^24 colors in RGB. This equals to 16777216 possible colors.


What is the maximum number of A color image uses 16 bits to represent a pixel?

A color image that uses 16 bits to represent a pixel typically divides the bits among the color channels. A common configuration is 5 bits for red, 5 bits for green, and 6 bits for blue (RGB565 format). This allows for a maximum of 65,536 unique colors in the image, as each pixel can represent one of those colors. Thus, the maximum number of distinct colors that a 16-bit image can represent is 65,536.


How many pixels are in 2000 KB?

The number of pixels in 2000 KB depends on the color depth and format of the image. For example, a standard image with a color depth of 24 bits (8 bits for each of the RGB channels) would have about 3 bytes per pixel. Therefore, 2000 KB (or 2,000,000 bytes) would contain approximately 666,667 pixels (2,000,000 bytes ÷ 3 bytes/pixel). However, this is a rough estimate; actual pixel counts can vary based on compression and image format.


What is an indexed image?

Typical uncompressed colored images use 24 or 32-bits per pixel of an image (RGB 8-bits per color). After some basic math of lets say an 8 Megapixel image quickly becomes a very large file on a computer. A type of compression used is to select some colors (typically called a palette) and for every pixel in the original image select a color in the palette that is closest to it (some other techniques exist to make it more accurate, ie dithering). If the palette of colors is smaller than 256 colors than a single byte (8 bits) is all that is needed per pixel to indicate what color in the palette should belong at that pixel.


Do you understand by data compression?

Data compression allows for encoding information by using fewer bits.


How many pixels are in a 3mb picture?

The number of pixels in a 3MB picture can vary depending on the image's color depth and compression. For example, if the image is uncompressed and uses 24 bits per pixel (8 bits for each of the RGB channels), a 3MB image would contain approximately 1 million pixels (3MB = 3,000,000 bytes; 3,000,000 bytes / 3 bytes per pixel = 1,000,000 pixels). However, if the image is compressed (like in JPEG format), the pixel count could be higher while still being 3MB in size.