Improve this question. Alex Alex 1 1 gold badge 7 7 silver badges 11 11 bronze badges. It could be monochrome vs orthochrome. What's your printer's capabilities. Add a comment. Active Oldest Votes. Improve this answer. Community Bot 1. I up-voted the answer but I think it's important to clarify one point.
Grayscale can be any number of shades, not just It can be 32, , thousands or even millions. A better definition of grayscale is: an image where the value of each pixel carries only intensity information, such that the image is composed exclusively of shades of gray varying from black to white.
The Overflow Blog. Podcast Explaining the semiconductor shortage, and how it might end. Does ES6 make JavaScript frameworks obsolete? With the ability to select from a variety of drop sizes for each pixel, you are able to more accurately produce a feature without having to increase the resolution.
This letter K has the same resolution as before, but each pixel has two potential drop sizes grey levels. Side note: It is still possible to create images that have varying color density using binary, you just have to adjust the positioning of the drops so they are closer together for dark portions and farther apart for light portions. How can you get different sized drops out of a nozzle that is a fixed size?
The answer is through the waveform! Because the waveform controls the acoustics of the ink in the nozzle, three different waveforms can produce drops of three different sizes out of the same nozzle.
In practice, this is more commonly achieved by using a single waveform with multiple pulses, rather than multiple waveforms. For example, you can develop a waveform with three identical pulses in it. If you want to print a small drop, Gray Level 1, you would only apply one of those pulses to the nozzle. If you want to print a medium drop, two pulses get applied, and three pulses for a Large drop. With this setup, you have one waveform that can produce three different drop sizes, or Gray Levels.
In order to use greyscale, you need several of your system components to be able to process data with more than one bit of data per pixel position. Then your control system use can use your waveform to fire whichever drop size via the correct number of pulses the RIP chooses to use to make the best reproduction.
This process is handled through the drive electronics for the printhead. As we saw before, higher resolution and grayscale are both techniques for improving the appearance of an image. To apply this concept, the appearance value of a tone transfer curve in grayscale printing is used to show how much tone transfer curve should adjust the color values. As you may know, in the past, film was all in black and white because that was the only option.
Time pasted and color photography became more popular and there had to be a way to tell what type of film you are buying. Just think about it, a true black and white photo should consist of only black and white colors. But, what happens when there are many different shades of grey in between. When we talk about monochrome photography, we are referring to an image that is mainly composed of shades with one color varying from the brightest to the darkest hues.
But, grayscale is a more accurate term to use in images with shades of gray, varying from black to white. A truly black and white photo would simply consist of two colors—black and white. Grayscale photos will always produce black, white, and the entire scale of shades of gray. A: A monochrome printer is a printer that uses black ink only.
The color can be liquid ink or powered ink Toner. A: Grayscale allows photos to be easily processed even with hardware that only support 8-bit images. A: When we talk about monochrome photography, we are referring to an image that is mainly composed of shades with one color varying from the brightest to the darkest hues. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Previous post.
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