[HELP] Shrink Clip without aliasing

[Selur]

more sample points used, the more accurate the resampling.

so 144 should be more accurate

Bug? Was für ein Bug?

fmtconv resizer werden nicht benutzt

for easy comparision:

# Imports
import vapoursynth as vs
# getting Vapoursynth core
core = vs.core
# Loading Plugins
core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/fmtconv.dll")
core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/libimwri.dll")
# source: 'C:/Users/Selur/Desktop/orville.png'
# current color space: RGB24, bit depth: 8, resolution: 1920x1080, fps: 25, color matrix: 709, yuv luminance scale: limited, scanorder: progressive
# Loading C:\Users\Selur\Desktop\orville.png using vsImageReader
clip = core.imwri.Read(["C:/Users/Selur/Desktop/orville.png"])
clip = core.std.Loop(clip=clip, times=100)
# Input color space is assumed to be RGB24
clip = clip if not core.text.FrameProps(clip,'_Transfer') else core.std.SetFrameProps(clip, _Transfer=1)
clip = clip if not core.text.FrameProps(clip,'_Primaries') else core.std.SetFrameProps(clip, _Primaries=1)
# Setting color range to TV (limited) range.
clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)
# making sure frame rate is set to 25
clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)
clip = core.std.SetFrameProp(clip=clip, prop="_FieldBased", intval=0)
# Resizing using 10 - bicubic spline
resized=[];
resizers = ["point", "linear", "cubic", "lanczos", "blackman", "blackmanminlobe", "spline", "spline36", "spline64"]
for i in range(len(resizers)):
  ckernel = resizers[i];
  tmp = core.fmtc.resample(clip=clip, kernel=str(ckernel), w=1280, h=720, interlaced=False, interlacedd=False) # resolution 1280x720
  tmp = core.text.Text(tmp,text=str(ckernel))
  resized.append(tmp)

tmp = core.fmtc.resample(clip=clip, kernel="spline", taps=6, w=1280, h=720, interlaced=False, interlacedd=False) # resolution 1280x720
tmp = core.text.Text(tmp,text="spline144")
resized.append(tmp)

clip = core.std.Interleave(clips=resized)

# Output
clip.set_output()

(adjust paths, open script in vsViewer)