Now I have tested the demo version of new Mercalli. It has good improvements. I can now stabilize many clips with assigning the same settings to all files. There is still not a possibility to save settings.
There are some new features like NR/sharpening and clip combining. There are also new stab features with very slow analysing but those are optional. I can not say much about stab IQ, I just started using it.
I have tested the auto batch setting and few own settings. It is time consuming to tweak so that my bad lens OIS (Pana 14-140mm v2) vibration goes away but it still crops as little as possible. I have used something like 35/35& pan and roll and 100% best stabilation but it is not very good still yet. Auto works fine but crops a bit too much. Advanced CMOS settings are so slow that I have not used those yet.
The new Mercalli v4 still stabilizes GH4 videos nicely and without converting levels from 0-255 to 16-235 like the previous version v3. I found when I watched my same Gh4 0-255 nature videos stabilized by v3 and v4 the difference is quite big. When 255 levels are converted to 220 levels (v3) there seems to be some leveling and compressing of subtle color tones. The V4 0-255 stabilized result is more "photo like" quality and the fine color nyances of nature (greens in grass or reds of autumn) are preserved better.
I know this is an ancient thread, but have they made any changes to the Mercalli Sal v4 that allows you to analyze then stabilize all in 1 step. Stopping after just the analyze makes no sense. I think many people have many files and want the same type of stabilization applied to them all. We also don't want any slider changing position after analysis because we know what we want. Its fine to suggest a setting, but make that a different slider.
The only way to use about the same settings for batch is to use some of the programs own profiles. You cant save your own settings and use them. It is unbelievable because all computer programs use the principle of saving good settings and use them.
Hello, forgive what may be a stupid question, but I am hoping someone here can assist. I am looking for a solution like Mercalli for image stabilisation but I do not want to sacrifice quality with "digital-zoom-stabilisation-crop" technique. I am looking for the option to output a lower resolution video which is stabilised. For example I shoot in 1080 FullHD and want a stabilised 720HD "crop" output. So the extra resolution of the Full HD file is used to stabilise the final output of the 720 File. All the examples I have seen on YouTube show a lower-quality image as the final output is the same resolution as the input. I am happy to sacrifice the "padding" around the edges of the final cropped output - it is shot with that in mind. Can Mercalli do this?
I think you will find most stabilizers can do this. For instance the 'default' option for warp stabilizer is 'stabilize, crop, auto size' but you can set it to 'stabilize only'. The same with 'track motion' in after effects.
Yes, they all do this. The only real way to stabilize is to move the image and that causes the corners to get moved into blackness. Cropping the image down is recommended, but you can also turn that feature off in most of the stabilizers if you really do not want to give up that frame size.
Some have advanced features that can look ahead or behind in the video and see what is off the frame at other times and copy those extra parts into the video. This works amazingly well in some free software called Deshake for Virtualdub. It can allow you to have the full frame and not have to crop at all. Mercalli has a feature that gives you a mirror edge when the frame is moved, which can cause some ugly artifacts, like peoples heads get cut in half and moved around. What makes Mercalli work well is the rolling shutter artifacts can be removed. That combined with lens profiles, you can get a very good overall stabilization.
I have 4k source video whose quality I want to retain as best as possible after running mercalli on it. What do you suggest would be the v4 mercalli settings to do this ? It is recorded in Sony XAVC /H264 . What is the difference between high and medium settings? i know the former is tons larger, but internally what is the quality difference? if I want to retain 4k quality ( 100 mbps) , s/ I choose high ?
My take is always go for the best quality on all the intermediate processes. All the processing I do requires a final compression to make my end result file. With any software, I usually try to export as uncompressed between the apps, but that isn't always practical. With Mercalli, you only have quality options. I haven't even looked at what they are, because I just want the best, but I certainly do not keep that huge file as my final product.
I would certainly choose high, but I also would never have that be the end of the processing. Mercalli is not a compression piece of software. Its designed to be a step 1 type process. You really want to encode using a strong encoder. Vegas pro for example sucks at encoding even though its supposed to be good at it. In general, you want to do a multi pass final file. That is if you really want top quality. The size of the Mercalli output will be very big. At the high setting, I do not notice any loss, but there is a tiny bit I am sure. Since the quality level is relative, it doesn't matter that its 4k. You are getting a high quality regardless of the input size because the bitrate will vary by size. So, your input file size being bigger means you get a bigger output. High is not a fixed bit rate. Its a quality setting.
You can compress the high quality Mercalli file a huge amount and still retain virtually the same quality with a good encoder. I am a huge fan of TMPGENC. It is a straight forward encoder where quality is the real selling point.
I am doing 3d 4k now, which creates crazy big files since I have two 4k files as input. This process still works fine. I have a Mercalli plugin for Vegas that can take the two 4k videos and output 1 giant 8k wide video.
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