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antp
No, I use WinDVD.
But I started to use it only very recently, and the image quality is actually nearly the same: it is just a little easier to make the captures as it has the advantage of being able to advance frame by frame backwards and not only forward.
The problem may indeed by due to cropping, resizing and encoding.
Avoid compressing to JPEG more than once: make captures as BMP/PNG instead of JPEG; convert to JPEG only at the end, after crop/resize. If you have a JPEG that you modify, it will have to re-encode it, so you'll lose quality.
The resize method used (depends on the program) may also give different result quality.
But I started to use it only very recently, and the image quality is actually nearly the same: it is just a little easier to make the captures as it has the advantage of being able to advance frame by frame backwards and not only forward.
The problem may indeed by due to cropping, resizing and encoding.
Avoid compressing to JPEG more than once: make captures as BMP/PNG instead of JPEG; convert to JPEG only at the end, after crop/resize. If you have a JPEG that you modify, it will have to re-encode it, so you'll lose quality.
The resize method used (depends on the program) may also give different result quality.