Resizing using nnedi3/znedi3/nnedi3cl with center alignment and correct chroma placement

Related tags

Miscellaneousnnedi3_resample
Overview

nnedi3_resample

A VapourSynth script for easy resizing using nnedi3/znedi3/nnedi3cl with center alignment and correct chroma placement.

Requirements

Usage

For Windows users, put nnedi3_resample.py into

  • VapourSynth installed for all users: \Lib\site-packages
  • VapourSynth installed for current user: %AppData%\Python\Python \site-packages

Function

It can do scaling, color space conversion, etc.

Note: Internally always processing in 16-bit integer, and the output format can be specified by "csp" with Format id (default is the same as input).

Example

Double the width and height of a clip.

import vapoursynth as vs
from vapoursynth import core
from nnedi3_resample import nnedi3_resample

clip = XXXSource()
clip = nnedi3_resample(clip, clip.width * 2, clip.height * 2, mode='znedi3')

clip.set_output()

ChangeLog

  1. Add new option mode, default value is nnedi3, optional value:
    • znedi3, it may be faster than nnedi3
    • nnedi3cl, it can be used with new options device (same as the parameter of the plugin with the same name)
  2. Chage how to import core because get_core is deprecated.
  3. Remove YCOCG and COMPAT, deprecated in VapourSynth API4.
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Comments
  • Broken script

    Broken script

    I have this xClean script that worked fine. https://github.com/mysteryx93/xClean...main/xClean.py

    (plugins are pulled from the AUR in Linux)

    Now, if I run it with chroma="nnedi3", I get this error:

    Failed to evaluate the script:
Python exception: No attribute with the name get_format exists. Did you mistype a plugin namespace?
line 30, in nnedi3_resample

    If I set chroma="reconstructor", I get this error:

    Python exception: No attribute with the name nnedi3cl exists. Did you mistype a plugin namespace?
File "/usr/lib/python3.10/site-packages/nnedi3_resample.py", line 440, in nnedi3_dh

    First error is due to this https://github.com/vapoursynth/vapoursynth/blob/b1af67c44fc3bc3365b6ba2494207774a69df4d9/ChangeLog#L12

    Second error would indicate that the plugin isn't loaded, but it is installed (from AUR) and pulling from this https://github.com/HomeOfVapourSynth...Synth-NNEDI3CL

    opened by mysteryx93 2
  • 变态增强画质

    变态增强画质

    这个工具能否达到以下效果？ 源文件片段+修复版下载：https://1drv.ms/u/s!AhqDWZobqnZ6dPs0ZqVHgfygp6k?e=yVnWLw （好像是把线条和细节弄得很细腻）

    虽然修复版最后还是用了AI，但前期处理太好了，不知道怎么做到的？我用AI直接处理效果很不好，很多模式都测试了。确定和他是同源文件。

    这个属于超出我认知的修复，也问过压制老手，反正他们觉得很难做到。不知道现在是否有理想的增强分辨率工具了

    opened by 362227 0
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