IEVision History

IEVision 8.1.4

• Much improved algorithm for detecting the text angle and orientation in documents
• thinPlateSplineShapeTransform supports replication when filling border areas, as well as custom colors
• Minor fixes and improvements

IEVision 8.1.3

• New method to check successful language loading for Searchable PDF generator
• Improvements to filter2D
• Minor fixes and improvements

IEVision 8.1.1

• JPEG format now supported with TIEVisionSearchablePDFGenerator
• Resolved issue where saving with TIEVisionSearchablePDFGenerator may fail if file already exists
• Minor fixes and improvements

IEVision 8.1.0

Top Five Enhancements

1. Support for local neural networks to classify objects, detect text and increase resolution

   

2. Searchable PDF documents can now be created without images
3. New HAAR classifiers: Eye pair, Nose, Mouth, Stop Sign
4. New method to check successful language loading for OCR
5. Improved exception messages for OCR

IEVision 8.0.0

Top Five Enhancements

1. OCR now built on Tesseract 5 for greater performance using less system memory, and improved accuracy, particularly with images of low resolution or contrast
2. OCR results can be returned in hOCR, ALTO (XML) and text-separated value formats
3. Other new OCR features including support for Black and White lists, analysis constructor and confidence values
4. Many enhancements to stitching including new thresholding options and improved performance with documents

   

5. Other fixes and improvements

IEVision 7.1.0

• Thin Plate Spline shape transformations

  

• Resolved some OCR issues
• Minor fixes and improvements

IEVision 7.0.0

• OpenCV updated to v4.6
• Multiple matches can now be found when searching an image (matchTemplateMulti)

  

• New "Scans" option for image stitcher
• Implemented LibJpeg-Turbo for faster JPEG handling
• Updated LibRaw to v0.21.1 to support newer Canon, Nikon, Sony and other camera formats
• Optimized DLLs: Files are now nearly 50% smaller

IEVision 6.0.4

• Fixed error when using very different images with findHomography *
• Fixed possible exception when using Binary Descriptor line detection with video feed
• Fixed image not changing when using IEImage.smooth(), pyrUp(), pyrDown() without destination bitmap
• Minor fixes and improvements

IEVision 6.0.3

• Added support CgBI PNG (Apple's proprietary extension to PNG)
• Added support for JPEG with arithmetic encoding
• Fixed error when using Canny edge detection
• Minor fixes and improvements

IEVision 6.0.1

• Compression can be configured for searchable PDF generator
• Fixed exceptions that can occur under 64bit
• Updated OpenJPEG to 2.4.0
• Added support for X3F and 8bit DNG raw images
• Minor fixes and improvements

IEVision 6.0.0

Top Five Enhancements

1. Orb Feature Detector: Find matching points in a pair of images
2. Find Homography: Find the alignment matrix between points in a pair of images (e.g. for automatic image alignment)

   

3. Warp Perspective: Adjust the perspective of an image based on a matrix
4. Exposure Fusion: Merge images taken with multiple exposures into a single image

   

5. Updated all OCR language files and added OCR script files (e.g. all Latin languages)

IEVision 5.5.0

• Updated OCR engine to Tesseract 4.1.1
• Three new OCR page segmentation modes
• Installer automatically cleans up old version DLL files
• Fixed some resource issues
• Minor fixes and improvements

IEVision 5.4.2

• Updated LibRaw to 0.20.2
• Updated Jpeg2000 to OpenJpeg 2.3.1
• New Subtract Background from Image demo (\Demos\IEVision\BackgroundSubtract\BackgroundSubtract.dpr)
• Fixed issues with installer, generation of searchable PDFs and MOG2 Background subtractor

IEVision 5.4.1

• Generate Searchable PDFs: Now supports color images
• DICOM: Now supports 12bit JPEG files
• Minor fixes and improvements

IEVision 5.4.0

• Updated LibRaw to 0.20 for improved camera raw support
• DPI can be specified when generating PDF files

IEVision 5.3.0

• New OpenMP DLL's that significantly improve OCR processing speeds (can be more than twice as fast on modern systems)
• Minor fixes and improvements
• Updates to demos

IEVision 5.2.0

1. New demos: Facial Recognition in a video stream, Blur car number plates
2. Threshold method now returns the calculated thresholding value
3. Image Stitcher can now run deterministically (for consistent results)
4. Uses RandomizedBaseAddress (ASLR) and DataExecutionPrevention (DEP) flags for security
5. Other improvements and fixes

IEVision 5.1.1

• Updated LibRaw to 201910 for updated camera support
• Minor fixes and improvements

IEVision 5.1.0

• Optimized JPEG2000 Engine
• Other minor improvements

IEVision 5.0.0

Top Five Enhancements

1. Now supports Tesseract 4.0.0 for much more accurate OCR (Error Reduction Statistics: English: 30%, French: 50%, Spanish: 46%, Russian: 79%, Hebrew: 32%, Chinese: 22%, Korean 79%, etc.)
2. Sixty Languages added to OCR, such as: Armenian, Breton, Corsican, Filipino, Gaelic, Mongolian, Maori, Tongan
3. New PDF generation class to create searchable (OCRed) PDF documents from images
4. New OCR properties to detect advanced formatting (Sub/Superscript, dropped caps, etc)
5. Other improvements and fixes

IEVision 4.5.2

• TIEVisionBlobDetector now supports monochrome images
• Fixed: TIEVisionBlobDetector crashes on unsupported formats
• Other minor improvements

IEVision 4.5.1

• Added TIEVisionBarCodeSymbol.getQuality method
• Fixed: createCascadeClassifier fails under 64bit
• Fixed: getWordBoxes may raise exception on invalid selection
• Other minor improvements

IEVision 4.5.0

Top Five Enhancements

1. New Blob Detector to locate shapes within an image

   

2. Template Matching now calculates a confidence value for each match
3. Background Subtractor class supports improved selection methods
4. TIEVisionImage can now detect lines
5. Other improvements and fixes

IEVision 4.0.0

Top Five Enhancements

1. Pattern Matching: Search image for template images

   

2. Pattern Matching with Map: Search for template images and return comparison map
3. Classifier Training: Find objects in an image using positive and negative samples

   

4. Watershed Selection: Automatic selection using painted markers

   

5. Grabcut Selection: Automatically select the main subject within an image

IEVision 3.0.8

• Fixed InPaint crash when brush is smaller than ROI rectangle
• Fixed problems loading some X3F files

• Slow JP2 saving
• Lossless JPEG rotation may fail

• Updated Camera Raw format support to Dcraw 1.477

• Minor improvements only

• FaceRecognizer: Added clear, isTrained, train, load and save overloads
• Added: ObjectsFinder.setHaarMaxSize and setHaarMinSize methods
• ObjectsFinder, added setEqualizeHistogram method to make histogram equalization optional

• Updated Dcraw to version 1.476 (9.26)
• Linked Dcraw to jpeglib and jasperlib to support some Kodak devices

• Fixed: Can get errors loading JPEG at reduced sizes

IEVision 3.0.1

• Fixed: May get error with OCR
• Fixed: Previous Tesseract installation may affect IEVision OCR

IEVision 3.0.0

Top Ten Enhancements

1. Facial Recognition: Detect known faces within images
2. Panorama stitching: Create a single image from multiple source images

   

3. New detectable objects: IEVC_CASCADE_SMILE, IEVC_FRONTAL_CAT_FACE, IEVC_LICENSE_PLATE_RUS, IEVC_RUSSIAN_PLATE_NUMBER
4. Background Subtraction: Remove the background from videos
5. Line and Segment Detection: New "Hough Line" methods
6. Edge Detection: "Canny" algorithm for edge detection
7. Image Denoising: Clean up images using Non-local Means denoising
8. Enhanced Blur: New blur algorithm
9. Image Thresholding: New threshold and adaptive thresholding methods
10. Image Erosion and Dilation: Now supports morphological image processing

IEVision 2.0.1

• Updated DCRAW to support newest Digital Camera Raw formats
• Barcode decoder now supports monochrome images

IEVision 2.0.0

• Now supports recognition of all standard barcode formats (EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code)

  

IEVision 1.0.4

Top Five Enhancements

1. Support for 30 more OCR languages: Afrikaans, Albanian, Ancient Greek, Arabic, Azerbaijani, Basque, Belarusian, Bengali, Cherokee, Croatian, Esperanto, Estonian, Frankish, Galician, Hebrew, Hindi, Icelandic, Italian (Ancient), Kannada, Macedonian, Malay, Malayalam, Maltese, Middle English (1100-1500), Middle French (ca. 1400-1600), Spanish (Old), Swahili, Tamil, Telugu, Thai
2. Enhanced OCR accuracy
3. TIEVisionOCR can now load and detect multiple languages
4. TIEVisionOCRWordBox now supports much formatting detection properties
5. OCR is now multi-threaded

IEVision 1.0.3

• Minor bug fixes

IEVision 1.0.2

• Added 64bit version
• Support for latest camera RAW formats

IEVision 1.0.1

• Various minor enhancements