Kiri Engine VS Polycam: Which one is better?
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- čas přidán 12. 09. 2024
- A comparison between two of the most well known photogrammetry apps in the mobile space. Polycam and Kiri! Who's going to win?
My earlier review of Polycam:
• How good is Polycam?
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Hi, Dev from KIRI Engine here, first of all, thank you for bringing a good comparison video between KIRI and Polycom. We didn't use Apple algorithm and you said it right (except for object capture in LiDAR mode). And I truly realize the texture resolution is a big issue right now. And we will enhance this part in future updates. And about the volume thing, I saw another comment that says the truth, we developed that for side button capture. And that was the request from our valuable users. Again, very nice review and we definitely learned a lot from it. And if you have any other suggestions, feel free to contact us, and we would like to enhance them as well! Appreciate!🥰
Hey there. Great to see the team actively looking for community feedback, and great to see that you're aware of some of these issues!
• As stated on the video texture resolution is quite a hindrance currently. If and when you manage to fix that, that will make recommending the app a lot easier! Great to hear that it's in the plans for future updates!
• Another issue that is definitely minor compared to texture resolution has to do with object scale. The USDZ files always export with really small scale. Most objects export as 1 to 2cm in size, which means that there's a lot of resizing involved. It's not a huge deal but I would prefer a x10 multiplier rather than these small 1cm objects.
There's also a couple more issues with the UI so I'll definitely try to reach out to you over email. If you don't hear from me in the coming days feel free to contact me through my email. You can find it the about section of my channel.
I try Polycam and Kiri for our business, and I must say that I get much better results with Kiri than with Polycam.
Try to eliminate all variables in your testing, since photogrammetry results depend a lot on angles and lighting. So give the following a try: Test both apps with the exact same images and compare the results.
Either way though if you prefer Kiri use that. No need to fix what ain't broken!
Hi, I understand that you left out the GS scanning but KIRI also has a featureless scanning option, which is somewhere between Photogrammetrie and NERF. I think it does work quite well on objects that would be difficult to scan with Photogrammetrie only. Also, KIRI engine has an option for a pro user to export his model in quads with a re-baked texture granted it’s lowres and of course you could do the conversion to quads yourself, but it’s still very convenient for a mobile app to have that option if you need assets fast and don’t have time to work on them. so KIRI is far from perfect but they do have a lot of good ideas and they are trying to push the boundaries of regular Photogrammetrie.
I definitely appreciate the efforts of the development team. It looks like the team is constantly adding features to the app which is great to see!
About the featureless scanning: It's a good idea but I don't find it that useful. I guess it depends on what you want to do with the final mesh. Personally if I want to scan a featureless object I just sprinkle regular baby powder on the object and follow the typical photogrammetry procedures. The benefit with that is that you can get a very detailed mesh that you can then clean up and edit accordingly.
The same goes for the quad mesh straight out of the app. As good as that might sound, I'm not entirely sure what the use case for it might be. I understand that it's convenient but if I'm going to use the object on a project I will adjust things myself either way, so having quads from the beginning is not so important. At least for me!
As I mentioned earlier it all depends on your use case. If it fits your workflow and projects go for it!
Nice review. You mention there is no reason for a scanning app to take over the audio, however we also do that in our app to use the volume keys as shutter control which is very convenient plus it connects to third party grips that also use this method to trigger the shutter via the Bluetooth button they use. This only happens when in the manual capture mode though and not throughout the whole app
Good point. Looks like this is what’s happening. You can use the volume buttons to take a picture. Unfortunately though the audio stops the moment you enter the app.
It would be nice if there was a setting to enable/disable that option.
@@marvelousdecay agree. they could easily switch this on/off via a button in the settings.
Hey Dimitris, great video! I’d love to see a comparison of the Gaussian Splatting features in Polycam, Kiri Engine, and Luma AI. Gaussian Splatting offers incredible detail, which is crucial for my applications, and I’m less interested in meshes. It would also be fantastic if you could highlight the differences between the app and web versions, especially since Luma AI allows video uploads in the app, whereas Polycam only supports this in the web version. Thanks in advance!
I have issue with Kiri not scaling things properly is there way to fix this. Since the 3D models are imported really small.
Do you mean importing the model to a 3D program? If yes, just resize the object to the required scale.
Hi! Can you tell how you transformed those scans into pc?
Do you mean how to export them from the apps? Both applications have an export command where you pick the format you want.
I picked USDZ but you also pick fbx or obj etc.
Yes! Thank you, and which program do you use in the end, is it 3d max or zbrush? I can’t recognize
The program you see in the video is Cinema 4D but when I’m preparing the final asset it’s usually a combination of Zbrush for cleaning up the scan, Substance Painter for cleaning up the texture and refining things and then Cinema 4D and Redshift for scene creation and rendering.