Minecraft Texture Upscaler automatically processes low-resolution Minecraft texture packs and increases their resolution. It is almost as good as native, (paid), high-resolution texture packs.
With the current state of the code, the image is read as a 4-channel RGBA image. However, the Super Resolution libraries cannot handle 4-channel images. This results in black boxes around items such as swords.
With the current state of the code, the image is read as a 4-channel RGBA image. However, the Super Resolution libraries cannot handle 4-channel images. This results in black boxes around items such as swords.