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Fuzzy after export

I'm taking flying video with an old GoPro Hero 3. I keep very short clips taken out of hour long files. I've tried several settings for export but the exported video is always fuzzier than the original files. I'm using Nero Video 2018. Any ideas/suggestions?
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  • Hi Donn,
    When you Export your video, check the Profile settings. I use
    Format: MP4
    Profile: MP4

    Then click the Configure button:
    In the Size: option, I always opt for the 1920 x 1080 (high resolution) setting.

    Hope this helps.
    Ron
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  • Which resolution is the Hero set for when taking the video? If you import the video into Make Advanced Movie and double click on it, you can select the metadata tab to get that information. Perhaps a screen shot of that would help.
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  • I have two cameras - one on the control bar and one on the wing. I checked and the bar camera (the one where I noticed the problem) was set to WVGA while the wing camera is set to 1080p. I export to MP4 so that shouldn't result in a loss of resolution on export. I have reset the bar camera and will evaluate future videos.
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  • The WVGA is 768x480. Pretty close to mpeg-2. As a result, that's what you should select for export. Using a higher resolution will likely cause aberrations like you're seeing. In the Configure for mpeg-1, mpeg-2 or mp4, you can change the Quality Setting to User Defined, 768x480. I suggest that you set the Movie Options to TV Widescreen for that resolution.

    Let me know if the new settings on your camera cause a problem.
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  • I have not had any issues recording at 1080p and exporting to MP4. Just the opposite. The camera that was set to WVGA and then exported to MP4 resulted in the fuzzy video.
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    • It really doesn't matter since he's not using WVGA any more.
    • Wither 1,

      This reminds me of Mister M telling me that I didn't need some information that I was looking for years ago!

      Did it matter when you offered the following nonsense?


      The WVGA is 768x480. Pretty close to mpeg-2. As a result, that's what you should select for export. Using a higher resolution will likely cause aberrations like you're seeing. In the Configure for mpeg-1, mpeg-2 or mp4, you can change the Quality Setting to User Defined, 768x480. I suggest that you set the Movie Options to TV Widescreen for that resolution.


      I'm not sure what Donn is doing or not doing, but I am very curious about his camera and how the GoPro exports its data since I have a "near GoPro" camera that his issue has helped me understand more than I did. And, just in case, he actually wants to use WVGA, your advice is simply inaccurate as I see these things. Please go away!
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  • From Donn, above-

    "I have reset the bar camera and will evaluate future videos."

    From Wikipedia-

    "768 × 480 (WVGA)
    Variants of WVGA H (px) V (px) H:V H × V (Mpx)
    640 360 16:9 0.230
    640 384 15:9 0.246
    720 480 15:10 0.346
    768 480 16:10 0.369
    800 450 16:9 0.360
    800 480 15:9 0.384
    848 480 16:9 0.407
    852 480 16:9 0.409
    853 480 16:9 0.409
    854 480 16:9 0.410

    Wide VGA or WVGA, sometimes just WGA, an abbreviation for Wide Video Graphics Array is any display resolution with the same 480 pixel height as VGA but wider, such as 720 × 480 (3:2 aspect ratio), 800 × 480 (5:3), 848 × 480, 852 × 480, 853 × 480, or 854 × 480 (≈16:9). It is a common resolution among LCD projectors and later portable and hand-held internet-enabled devices (such as MID and Netbooks) as it is capable of rendering web sites designed for an 800 wide window in full page-width. Examples of hand-held internet devices, without phone capability, with this resolution include: Spice stellar nhance mi-435, ASUS Eee PC 700 series, Dell XCD35, Nokia 770, N800, and N810.

    Mobile phones with WVGA display resolution are also common."

    What I want to know is how the average person knows what they're getting when they buy a Hero 3? I've seen them in Walmart but haven't paid any attention to what variant they are. I saw a video a few days ago of a guy setting the resolution of one and 720x was available in 3 different frame rates. The other resolution was 1080p.
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  • Wither 1,

    You just won't give up! For all I know, Donn actually would prefer to use WVGA and is simply doing a test? I asked him to specify which model he is using because it makes quite a difference. For example, if he has the "White", using WVGA gives him an "Ultra Wide" field of view whereas 1080p provides a "Medium" field of view. From the manual:



    I would also point out that he didn't say that the original video was not good; he simply complained about the exported version.

    So, your advice that Donn use a TV Widescreen frame was wrong. Also, would you please provide a screenshot of an MP4 "Configure" option that allows a custom resolution to be entered.
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  • The image Omega Tester posted comes straight out of the Hero 3 manual. I took another video yesterday with the resolution set to 1080p. The video and screen snapshot are both MUCH clearer. The runway 35 shot is from the exported file when the camera was set to WVGA. The runway 17 shot is from the exported file with the camera set to 1080p. 1080p is recommended when the camera is mounted on a tripod or stable object. I have not had a problem with stability in the past but in one clip from yesterday there is one minute out of a 17 minute video that is very wavy. That has been brought up in pilot sites in the past so I'm going to look up those posts.
    • Note that the information that I gave you for your WVGA is not wrong except possibly, for the actual resolution being used for that in your camera. You can substitute whatever it is for the 768x that I mentioned. Since Omega Tester has asked me to stay away from this thread, I have no need to and will no longer reply here.
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  • Donn,

    I wasn't sure if you wanted the wide FOV; apparently that's not what you are interested in. You haven't said what model you are using. I have manuals for 5 models: 3 White, 3 Silver, 3 Black, 3+ Silver, and 3+ Black. All have different video specs. It appears that you have the White? In any case, one is squeezing a wide angle view into 848 pixels; the other, a medium angle view into 1980 pixels! I'm old, but the 848x480 looks pretty good to me.

    When I searched for a Hero 3 manual, I got a 'Black' model version that records WVGA at 240 fps; later, I discovered the other 4 versions. I have a Ricoh camera that I use to take photos and an occasional video while out walking. My son bought it for me because it is "rugged" (I'll let you guess). I've never used the WVGA modes.



    As you can see, I can select WVGA 60 fps which creates a 60 fps video file or WVGA 120 fps which records at 120 fps but creates a 30 fps file resulting in 4X slow motion.

    The "White" GoPro apparently has a similar WVGA 60 fps mode; other models have other variations.

    So, I assume you're satisfied with the 1080p? If you have a few minutes, would you be willing to take a 10 second video in both modes and upload the result to a cloud service providing a link so that I can take a look at the originals?
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  • These are not the originals but excerpts from the exported files. One clip was recorded in 1080p and the other recorded in WVGA. Both were exported using the 1920x1080 setting. I did for the WVGA file just to see if there was a difference in quality. There is no difference other than the WxH ratio.
    The links to the files on Onedrive are:
    1080p - https://1drv.ms/v/s!Ao2HQC2EaFPdgccVu...
    WVGA - https://1drv.ms/v/s!Ao2HQC2EaFPdgccUZ...
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  • Donn,

    Thanks for the files. Although you didn't provide original recordings, it seems clear from the videos that I don't have the expertise to decide much even if you had! It's difficult to judge between the two recordings. In the WVGA video, it appears there's a lot of buffeting about; the other, not so much. At first, I thought your camera was on some sort of gyro-stabilized mount, but then I thought maybe its being on the control bar of an ultralight(?) makes it just look that way. In any case, I don't know much about either!

    As I see it, there are two issues: which recording format to use and how to configure Nero to process the result.

    It seems that the higher frame rate of the WVGA should help if there's a lot of side-to-side motion, but then there's the wider angle of view! I don't see any info about the actual angle of the "Medium" or "Ultra Wide" field of view. My Ricoh's manual also doesn't specify any numbers, just Narrow, Medium, Wide. There might be advice about these things on other sites such as videohelp.com.

    With Nero, it seems that matching the editing frame to the video's frame is desirable and then exporting at the same resolution as I said above. I tried to confirm this by creating an 848x640 JPG image and then making a video in Nero from it. I made two videos, one using an 848x640 editing frame, the other using a TV Widescreen editing frame. The first looks much(?) clearer to me. I've uploaded the picture and the videos: An 848x480 JPG and videos..

    Good luck!
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  • To me the one recorded at 1080p is much clearer. The reason I chose those clips is the numbers on the runway make it easy to evaluate the relative sharpness between the two.
    • Donn,

      I would agree, but there's the condition of the paint, the lighting, relative motion, and probably a host of other variables that affect the image, I don't recall there being anyone on this forum in a number of years that would have anything meaningful to say about much of this. I did find a couple of sites that give numbers for the FOV, but they disagree (model?). One is here, where you can find:



      I know what I would do - mount the two cameras side-by-side, one set to WVGA, the other to 1080p and go flying?
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  • Here is the metadata for the two clips. GP010101 is the WVGA recording and Apr 29 is the 1080p recording.
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