Image Filter Tester tests the correct filter suggestion.
BS Editor: Image Filter Tester 1.1 provides 9 user-customizable filters that cover almost the entire scope of image filtering:

Predefined fast 3脳3 filter
Generic in-Frame filter
Generic pixel transfer filter
Generic wavelet filter
Morphological filter
Image resample filter
Contrast enhancement filter
Binarization filter
Light compensation filter

Image Filter Tester 1.1 supports 2 types of image files:
JPEG
uncompressed Windows Bitmap
You may drag-and-drop to open an image file, or paste from clipboard.
The image views are fully interactive. The images can be zoomed, moved, flipped, or rotated.
The images can be copied, saved or printed.
Pixel color can be translated into 12 color spaces:
RGB
CIE L*a*b*
CIE L*u*v*
CIE XYZ
HLS
HSI
HSV
HWB
K-L
YCrCb
YIQ
YUV
It generates interactive plot of image histogram. you can free download Image Filter Tester 1.1 now.