Traditional Culture Encyclopedia - Photography major - How to upload the video shot by mobile phone to make the picture quality clearer?
How to upload the video shot by mobile phone to make the picture quality clearer?
If the original video is clear enough, the clarity will be maintained after being compressed and uploaded on a larger network platform. But if the original video is not clear, the quality can only be worse after secondary compression. On the other hand, if the original video is clear enough and obviously degraded after uploading, even the movies shot by cameras, video cameras and professional cameras will be destroyed by the compression algorithm of the platform.
There are several key factors that affect video clarity:
1, resolution. Resolution is generally divided into ultra-high definition, high definition and standard definition. If you shoot a video with standard definition resolution, uploading it to the network will not become high definition. If it is a high-definition video, it will be compressed after uploading, and the definition will be higher than that of the standard-definition video taken directly.
2. Code rate. It doesn't mean that the video you shot with 4k ultra-HD resolution shooting equipment must be "clear". There is a key factor "code rate" that affects the quality of your video. Under the same coding format, high-bit-rate video naturally retains more information and has more advantages in clarity.
3. Ran out. Taking pictures requires light, and so does taking videos. If you shoot a video in a dark environment without lighting, the device will increase the "gain" to balance your picture exposure, so that the video will produce more noise due to the increase of the gain, and the video quality will be seriously degraded.
4. edit. In the process of editing, it is necessary to establish the corresponding resolution items and set the code rate, which should be consistent with the previous shooting parameters. Otherwise, high-definition pictures will be taken, and standard-definition projects will be established in later editing, which will waste high-definition materials. Similarly, pay attention to the relevant parameters when outputting the edited video, otherwise you will be dumbfounded at the last step.
When uploading video on the mainstream network video platform, the video will be compressed by the platform's special coding method before uploading successfully. Therefore, it is necessary to ensure that the original video has high resolution and high bit rate, so that it can still maintain a certain clarity during uploading.
In order to ensure the quality of video transmission, you must first know your own mobile phone pixels, choose a good change rate, and choose ultra-high-definition upload when transmitting.
I have been troubled by this problem for a long time! After my unremitting efforts, I finally found a solution to this problem and shared it, hoping to help everyone!
1. Shooting: In fact, whether the picture is clear or not will affect 80% of the shooting in the early stage, because if the shooting in the early stage is very fuzzy, even if you can retouch the picture in the later stage, it is impossible to achieve high definition, and many of us ordinary people will not retouch the video.
First: you can use the rear instead of the front. Because the rear camera is more stable, the picture will be better and the definition will be much better than the front camera, but the rear camera needs the help of a mirror or others. Of course, if you just take some pictures of fixed seats, you can just limit the range of activities of the characters.
Second: don't beautify your face with filters. We try not to use filters and beauty when shooting, because adding filters will make the picture a little blurred, and uploading it to the platform will only make the picture more blurred after compression! However, when editing later, you can add face-lifting and peeling.
Third: Pay attention to the use of light. There must be light when shooting! Be sure to design the lamp to look good. This lighting setting is designed according to the content of your video as much as possible, but generally speaking, the fill light in front of your face is essential in order to take a clear portrait.
This is what you need to pay attention to before shooting.
2. Platform upload: The video uploaded by any platform will be compressed, just like we take a clear video and upload it to other platforms. So how to solve this problem?
First: mobile phones and computers are interoperable. Need to use Baidu network disk or directly move content.
Second, the resolution of the video should be improved when uploading.
Third: When uploading, don't upload the page again for video beautification or editing.
How to upload the video shot by mobile phone to make the picture quality clearer?
First of all, you must ensure that the video is of high quality when shooting, otherwise it is not clear how to upload it.
Secondly, in post-processing, never compress the image quality, that is, don't change its resolution and frame rate.
Finally, if the video is uploaded from a computer, try not to use QQ WeChat to send it to the computer, because it will be automatically compressed.
You can use Ai Mo's assistant, log in to Ai Mo's assistant's webpage with a computer, and scan the QR code with your mobile phone. As long as you are in the local area network, you can read and download the mobile phone video.
About shooting:
Take a video with a mobile phone, the higher the pixel, the better. I recommend Apple phones. Many Android phones have their own beauty filters, which actually reduce the clarity of the video.
Now shoot the video, the lowest video 1080P. You can buy a SLR if you can. 3,000 yuan SLR is clearer than 1 10,000 yuan mobile phone shooting.
If it was taken by an Apple phone, it should be mentioned here that in the "Settings-Camera" attribute, the image quality is set to 4K or 1080P, and the recorded video is set to 1080P and 60fps.
Apple phones do not set this setting by default, so the video resolution is slightly lower. I have tested this, and the video resolution is much higher after adjustment.
Many people's videos are unclear, more because in post-processing, if you want to shoot horizontally, you can shoot vertically.
Never switch from horizontal screen to vertical screen, and from vertical screen to horizontal screen, it is easy to cause unclear picture quality. If you want to pursue high definition, use less filters and beauty.
If you still don't understand, you can watch my video below.
As long as the quality of the mobile phone is not bad, the video taken will generally not be too blurred. Generally speaking, as long as the source video quality is high, the uploaded video quality will be clearer!
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