In This Topic ▼

Hole Punch Remove - Image Processing Function

Summary

Finds and removes hole punches.

Hole Punch Remove Function - Before
Hole Punch Remove Function - Before
Hole Punch Remove Function - After
Hole Punch Remove Function - After

Usage

Remove the hole punches in order to allow more accurate OCR detection.

Platform

Framework Member
.NET HolePunchRemoveCommand
.NET 6+ HolePunchRemoveCommand
Java HolePunchRemoveCommand
C DLL L_HolePunchRemoveBitmap
C++ Class Library LBitmap::HolePunchRemove

Product

Document & Medical

See Also

Help Version 23.0.2024.2.29
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS SDK Image Processing Functions Help
Introduction
Adaptive Contrast
Add Bitmaps
Add Noise
Add Weighted Bitmaps
Adjust Tint
Aging
Alpha Blend
Anisotropic Diffusion
Anti Aliasing
Apply Mathematical Logic
Auto Binarize
Auto Binary Segment
Auto Color Level
Auto Contrast
Auto Crop
Auto Intensity
Average Filter
Balance Colors
Bending
Binary Filter
Blank Page
Border Remove
Brain Analysis
Bricks Texture
Bump Map
Burkes Dithering
Canvas
Change Contrast
Change Intensity
Change Saturation
Channel Mixer
Clouds
Clustered Dithering
Color Halftone
Color Intensity Balance
Color Level
Color Merge
Color Replace
Color Resolution
Color Separate
Color Threshold
Colored Balls
Colored Pencil
Colorize Gray
Combine
Contrast Brightness Intensity
Convert to Colored Gray
Cubism
Cylindrical
Deinterlace
Desaturate
Deskew
Despeckle
Dice Effect
Diffuse Glow
Digital Subtraction Angiography
Direction Edge Statistical
Discrete Fourier Transform
Displace Map
Dot Remove
Dry
Dynamic Binary
Edge Detect Effect
Edge Detect Statistical
Edge Detector
Emboss
Fast Fourier Transform
Feather Alpha Blend
Floyd-Steinburg Dithering
Fragment
Frame Add
Free Hand Shear
Free Hand Wave
Free Plane Bend
Free Radial Bend
Functional Light
Gamma Correct
Gaussian Filter
Glare Detection
Glass Effect
Glow
Gray Scale
Gray Scale to Duotone
Gray Scale to Multitone
Gwire Tool
Halftone
Halftone Pattern
High Pass
Histogram Contrast
Histogram Equalize
Hole Punch Remove
Hue Change
Hue Saturation Intensity Change
Impressionist
Intelligent Down Scale
Intelligent Up Scale
Intensity Detect
Invert
Inverted Text
Jarvis Dithering
Kmeans Segmentation
Lambda Connectedness
Lens Flare
Leveling
Levelset Region
Light Control
Lighting Effect
Line Remove
Local Histogram Equalize
Mask Convolution
Match Histogram
Mathematical Function
Maximum
Mean Shift
Median
Minimum
Mosaic Tiles
Motion Blur
Multiply
Multiscale Enhancement
No Dithering
Ocean
Offset
Opacity
Ordered Dithering
Otsu Thresholding
Pencil (Advanced Colored)
Pencil (Simple Colored)
Perlin Noise
Perspective
Perspective Deskew
Picturize List
Pixelate
Plane
Plane Bend
Plasma
Pointillist
Polar
Posterize
Punch
Puzzle Effect
Radial Blur
Radial Wave
Rake Remove
Remap Hue
Remap Intensity
Remove Red Eye
Replace Color
Rev Effect
Ring Effect
Ripple
Roman Mosaic
Salt and Pepper Removal
Sample Target
Script Links
Segment
Selective Color
Shadow
Sharpen
Shear
Shift Data
Shrink Wrap Tool
Sierra Dithering
Sigma
Signal to Noise Ratio
Skeleton
Smooth
Smooth Edges
Spherize
Star Draw
Stent Enhancement
Stevenson-Arce Dithering
Stitch
Stucki Dithering
Subtract Background
Swap Colors
Swirl
Tissue Equalize
Tunnel
Unsharp Mask
UnWarp
User Defined Filter
Vignette
Watershed Segmentation
Wave
Wind
Window Level
ZigZag
Zoom Blur
Zoom Wave
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.