Penny deserves all of the DPI, megapixels, megabytes, and resolution you can give her. :) Great video. Cleared up fuzzy spots in my understanding of how picture properties are calculated and measured.
I also wondered about this. After watching a few other videos I think I understand it - although happy to be corrected. It is true that the cropped image has 'not lost resolution' in the sense that the actual section that was cropped has the same level of detail/information in both the original and the cropped image - if you were to zoom in on the dogs nose in both it would look the same. In that way that section's resolution is unchanged as it is just the same info but without the surrounding info which is chopped out. However, it is confusing in terms of viewing the cropped image because in the example it has been expanded on the screen to the size of the original image, so in the commonly used but separate notion of 'resolution' of an image in the physical world (usually given in terms of pixels per inch or similar) it HAS lost resolution as the cropped section has been stretched on the display to fit the same physical space as the original - less image-pixels are being used to fill a larger physical space on the screen. But this would be the same if you zoomed in on that section on the original so it occupied that space as well. So I think it is simply two different notions of the word 'resolution' causing the confusion. I think I might have made things even less clear with my explanation and in case so; then this video helped me understand the distinction: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-4rhVKBp4Fe4.html&ab_channel=DaviesMediaDesign. Ps just wanted to add thank you so much leo, I really found this video incredibly useful for my studies and so thank you!
Great video and explanation. but I’m struggling with a problem. I’m trying upload images to a stock photo site. the problem is there is a criteria that you need pass first. the images you upload need to be uncompressed (opened) and need to have a file size of 17mb or lager. so how do you know what size that needs to be in pixels to (aspect ratio etc) to equate to that file size in mb. is there a “formula” to do this? rather than randomly playing with numbers (which is very frustrating! 😖)until you get something near to it? Cheers
Thank you. Do you also have a video on how to make a photo larger. So you can print it. Say you have 1920x1080 but the printer company demands 12 mpxl photos?
1:18 Isn't it confusing to call a pixel a "dot"? Pixels are square. Dots are round. If the terms were synonymous, then there would be no reason for having separate terms "PPI" and "DPI."
so DPI is a setting of the screen or a setting of the image? will all images on the same screen be a certain dpi or will all screens on the same image be a certain DPI?
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