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2. Image file format - Wikipedia

   en.wikipedia.org/wiki/Image_file_format

   An image file format is a file format for a digital image. There are many formats that can be used, such as JPEG, PNG, and GIF. Most formats up until 2022 were for storing 2D images, not 3D ones. The data stored in an image file format may be compressed or uncompressed.

3. Digital watermarking - Wikipedia

   en.wikipedia.org/wiki/Digital_watermarking

   Typical image degradations are JPEG compression, rotation, cropping, additive noise, and quantization. [6] For video content, temporal modifications and MPEG compression often are added to this list. A digital watermark is called imperceptible if the watermarked content is perceptually equivalent to the original, unwatermarked content. [ 7 ]

4. Euler's formula - Wikipedia

   en.wikipedia.org/wiki/Euler's_formula

   Substituting r(cos θ + i sin θ) for e ix and equating real and imaginary parts in this formula gives ⁠ dr / dx ⁠ = 0 and ⁠ dθ / dx ⁠ = 1. Thus, r is a constant, and θ is x + C for some constant C. The initial values r(0) = 1 and θ(0) = 0 come from e 0i = 1, giving r = 1 and θ = x.

5. Israel 'more optimistic' on prospects of Gaza hostage deal - AOL

   www.aol.com/news/israel-more-optimistic...

   JERUSALEM/CAIRO (Reuters) -Israel is now more optimistic about a possible hostage deal in Gaza, Foreign Minister Gideon Saar said on Monday, amid reports that Hamas had asked for lists of all ...

6. Trump transition distances itself from Ukraine peace plan ...

   www.aol.com/news/trump-adviser-says-priority...

   WEST PALM BEACH, Florida (Reuters) -Donald Trump's presidential transition effort said on Saturday that a Republican operative who outlined some potential contours of a U.S.-backed peace plan in ...

7. Shopping for a bookworm? These are the best gifts for book ...

   www.aol.com/lifestyle/best-gifts-book-lovers...

   We’ve put together a list of the best gifts for book lovers that you can buy this year, including everything from the newly released Kindle e-reader to stylish bookmarks and book-themed home ...