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Release OpenCV 00.00.33b, Monday, September 2000 License fixed confirm Open Source project status. placed into headers.
-VIIIa. following bugs have been fixed: bug, preventing OpenCV from loading primitives, been fixed (again!). Caliration filter been fixed (error present only "September release). Several bugs delaunay+voronoi subdivision functions have been fixed. Script delaunay.c added demostrate their work. VIIIb. following bugs still present library: doesn't handle non-planar objects properly (i.e., fails when some coordinates object points zero) noticed bugs manual present variant, variant (which incomplete yet) fixed. Motion segmentation still produces incorrect results, they better than previous version. VIIIc. following bugs could'nt reproduced team: cvGoodFeaturesToTrack doesn't support smaller than image. cvCalcOptFlowPyrLK crashes 640x480 resolution. Release OpenCV 00.00.33a, Monday, September 2000 OpenCV begins libraries. Because works only Win32 systems, under Linux well, allows IA32-optimized codes under Linux. binaries called ippa6.dll,ippm6.so etc. II.Calibration application Chris Halsall been included into Linux version library. Visit www.wabbit.com/ocv more information updates. III. moved v.2.2. Vision Scripting Environment (a.k.a CVLHawk) been included into package. application that integrates iterpreter (modified version EiC. Original site located http://www.kd-dev.com/~eic/), simple graphic library (highgui) OpenCV+IPL (but, actually, shared library attached application plugin). application allows write short scripts graphical results. Look doc\cvlhawk.pdf details. Updated calibration toolbox MATLAB been included into package. Adaptive threshold draft code planar subdivisions (delaunay triangulation voronoi tesselation) have been added library.
VII. More than half manual been refined, many bugs/misprints have been fixed. doc\OpenCV_new.pdf file. version still available, because more complete moment. -VIIIa. following bugs have been fixed: cvFloodFill works incorrectly with images, which height VIIIb. following bugs still present library: doesn't handle non-planar objects properly (i.e., fails when some coordinates object points zero) noticed bugs manual stil present. Motion segmentation produces incorrect results. VIIIc. following bugs could'nt reproduced team: cvGoodFeaturesToTrack doesn't support smaller than image. cvCalcOptFlowPyrLK crashes 640x480 resolution. Release OpenCV 00.00.33, Tuesday, August 2000 following bugs have been fixed: cvRodrigues: checks null input pointers were absent. Also, calculation Jacobian been made optional. Daniel Small: SVDsym routine cvCalibration loop with incorrect counter incrementation. Michael Strnad: Optimized DLLs were loaded properly Release configuration. II.The following functionality/features have been added: Linux port library been prepared. been done independently from Andy package. includes version Linux
III. following bugs still present library. doesn't handle non-planar objects properly (i.e., fails when some coordinates object points zero) noticed bugs manual stil present. Release OpenCV 00.00.32, Tuesday, Jule 2000 I(a). library
following bugs have been fixed: cvCalcBackProject crashes invalid code, produced from construction _try code _finally more code cvCalcHist crashes cvSetHistThresh called before Kalman filter checks Measurement vector size incorrectly. cvMatchTemplate checks output image size incorrectly. cvNormMask doesn't work properly when DLLs with optimized codes present. I(b). following functionality/features have been added: cvProjectPoints exposed external interface Pyramids' performance have been improved 15-30% unsigned char char formats (downsampling functions, open source codes). Faster version cvUndistort been added. uses precalculated table, that initialized cvUndistortInit function. former functions been renamed cvUndisortOnce. Other Libraries fixed: color JPEG were read incorrectly cvlgrfmts III. Filters/Applications. fixed: Sometimes incorrect (empty) position could selected image base view. following features have been added HMMDemo: Buttons "Select whole image" "Delete info" have been appeared toolbar Multiple images loaded added base Behaviour CalibFilter been changed. works with top-origin images instead bottom-origin ones. following bugs still present library. doesn't handle non-planar objects properly (i.e., fails when some coordinates object points zero) following known bugs/drawbacks documentation still exist: 2.1) manual, page 5-10, cvSobel: description cvLaplace. 2.2) Examples pixel access macros absent. Release 00.00.31, Monday, June 2000
General Site, describing library, been created Official documentation applictions DShow filters been added. Library manual completed library binaries DLLs now.
Functionality improvements/extensions/addings DShow tracking filters' interface been simplified bugs library applications fixed.
Release 00.00.30, Friday, 2000 General Additonal documentation have been added. Library executables were renamed CV[d].lib
Functionality improvements/extensions/addings cvGoodFeaturesToTrack been improved congruental replaced with MWC.
Optimization pyramids functions have been optimized
Release 00.00.29, Friday, 2000 General Many documentation have been added.
Functionality improvements/extens ions/addings Application Lucas-Kanade pyramid optical flow tracking implemented Matrix functions have been wrapped. Script gesture recognition corrected work with CVLib name create_hand_mask_new.c. Interface camera calibration filter been simplified another time.
Release 00.00.28, Monday, 2000 General renamed CVLib. existing classes functions changed their prefices cv(Cv) Their declarations CV.hpp low- level functions versions) were copied from ippCV CVLib. Their prefices _cv, header _CV.h. Wrappers have been made almost low-level functions. Their declarations CV.h main library interface file) Most wrappers have been tested (IppCV tests have modified call wrappers). Binaries ippCV were renamed cvXXX.dll. They loaded special function Almost applications (VMDemo, CVLHawk, Calibration filter,HMMDemo) have been modified call library.
Functionality improvements/extensions/addings Application Hidden Markov Models demonstration been implemented. Calibration pipeline been completely reorganized calculations double precision.
Optimization been greatly speeded (~10 times) faster log,exp implementations.
Release 00.00.27, Saturday, April 2000 General ippiCVL renamed ippCV everywhere Functionality improvements/extensions/addings Calibration filter been slightly improved: Filter state saved/restored when filter graph saved/loaded. Restriction etalon square size weaken, larger etalon handled fixed. Now, etalon parameters changed. Tested Lucas-Kanade pyramid based optical flow library already! (Several bugs were fixed). Histograms: Multi-dimensional histograms balanced trees) have been trasferred ippCV. functions tested. CalcBayesProb function added calculates P(object[i]|observation) i=1,n given histograms H(observation|object[i])) Version face recognition added into project. Data structures were simplified (comparing draft version) Script, implementing recognition part gesture recognition pipeline, been written tested recieved data (from MATLAB package) function (double precision) added tested. Optimization Function retrieving observations from raster image (few coefficients from every blocks (which overlapped)) been optimized MMX. Gain >10x. version convolution functions (Sobel family filters) have been optimized. Performance gain >3x. versions functions from "eigen objects" group have been optimized PIII. Release 00.00.26, Friday, April 2000 General IPPM been embedded into ippCV. External functions were placed into ippiCvl.h
Functionality improvements/extensions/addings Calibration filter been improved: Interface simplified buttons "Track etalon", "Enable processing" have gone. Loading camera parameters implemented. fix: window closes when filter deleted. Also hided/shown dynamically. Sub-pixel corner finder implemented. activated switching "Fine tuning" check box. Camera parameters shown status window View blinks when frame grabbed Extracting rectangle with sub-pixel accuracy added. Lucas-Kanade pyramid based optical flow added (not tested yet). Histograms: BackProjectPatch implemented. Wrappers CalcHist CalcBackProject were added. Draft version face recognition. Eigen Objects functions were extended support partite input/output Several functions gesture recognition pipeline: line fitting with several metrics (ippiFitLine2D). Batch perspective transform array points. (ippiTransformVector3x1P_32f) Projecting array point coordinate plane (ippiProject3D) Calculation image homography matrix (ippiCalcImageHomography) Finding initial hand region (ippiCreateHandMask) Function calculating minimal eigen value raster image been added. (ippiCornerMinEigenValC1R) Hough transform (multi- scale version) been improved handle correctly case angle delta Optimization line fitting been optimized using MMX/SSE (gain 60-100%). been optimized MMX/SSE (gain ~200%)
Release 00.00.25, Thursday, March 2000 General Sources algorithmic performance tests have been moved into separeate
folders Environment variable been introduced support custom version Proton compile library. Functionality improvements/extensions/addings Piece code, which reorders found corners checkerboard been moved from calibration filter library function that finds corners. ippiSharr filters calculate image derivatives more precisely have been added Histogram calculation with mask support been added. Contour retrieving functions have been reorganized. Now, there single function working with byte-depth image that supports different modes contour retrieval which superset previous functions. Pyramid-based color segmentation interface been changed. returns sequence (IppiSeq) connected components instead array. Fitting line M-Estimators been added. Pixel access macroses have been extended support images. Functions make image undistortion input from camera have been added. Simple (nearest neighbor) antialiazed (bilinear interpolation) modes available.
Optimization Sobel filters have been optimized another time (~60-80% speed up). This cause speed related functions Canny Edge Detector, PreCornerDetect, Motion templates etc. Newer Sharr filter also been optimized similar manner. Pyramid based color segmentation been optimized PII. (>2x performance gain). Undistortion function been optimized MMX/SSE. Histogram backproject calculation been greatly optimized gain). Line fitting (M-estimators) been optimized (~2x gain). Many image statistic functions (CountNonZero, SumPixels, MeanMask, Mean_StdDev, Mean_StdDevMask functions total have been optimized WMT.
Scripting Environment/Scripts Several bugs were fixed, application becomes much more stable.
Release 00.00.24, Wednesday, March 2000 Additions (March 2000) Updated library manual Updated calibration filter document (CalibFilter.doc)
General Almost data types have been renamed (first letters were capitalized) ippiSequence related data types' names were made shorter Wrappers, working with IplImage were added into CVL: morphology, pyramids, drawing, statistics, background differencing, motion templates. Functionality improvements/extensions/addings Calibration filter with view calibration etalon (after calibration completed) Face details recongition script. Sequence (ippiSeq) been extended support fast insertion removing elements into/from beginning (I.e deque now). Histograms Pyramids Pyramid-based segmentation ippiPyrSegmentation8uC1R ippiPyrSegmentation8uC3R Thresholds
ippiThreshold(8u/8s/32f)C1R have been extended non- inplace mode support included, max_val parameter added into 8u/8s functions used IPPI_THRESH_BINARY IPPI_THRESH_BINARY_INV modes) Utilities AbsDiff declaration have been modified support non- inplace operation ippiSampleLine(8u/32f)C1/C3R Drawing ippiThickEllipse, ippiEllipseSector, ippiPolyLine, ippiPolyLineAA, ippiDrawContours (8uC1 flavor) Optimization Canny edge detector been optimized using
Scripting Environment/Scripts support added More advanced text editor CVLHawk Release 00.00.23, Monday, February 2000 Functionality improvements/extensions/addings Sequence been merged with RWSequence Histograms -(only histograms arrays supported now) Contours Calculating convexity defects ippiConvexityDefects Checking contour convexity ippiCheckContourConvexity Motion Templates
Motion segmentation: ippiMotionSegment32fC1R Utilities Line samplers iteration through line: ippiSampleLine(8u/32f)C1/C3R Drawing ippiPutText supports bottom-origin image orienation specifying negative step Pyramids Pyramid-based segmentation: ippiPyrSegmentation8uC1R Tests existing histogram functions were tested Sequence, Graph structures were tested
Optimization floodfill functions have been optimized algorithmically.
Scripting Environment/Scripts Views were enhanced Support sliders added.
Release 00.00.22, Monday, January 2000 Functionality improvements/extensions/addings data structures function sequences ippiGetSequenceElementIndex Read/Write Sequence (ippiRWSequence)
ippiCreateRWSequence ippiReleaseRWSequence ippiPushToRWSequence ippiPopFromRWSequence ippiPushToRWSequenceMulti ippiPopFromRWSequenceMulti ippiClearRWSequence ippiInsertToRWSequence ippiRemoveFromRWSequence (ippiSet) ippiCreateSet ippiReleaseSet ippiClearSet ippiAddToSet ippiRemoveFromSet ippiFindSetElem Graph (ippiGraph) ippiCreateGraph ippiReleaseGraph ippiClearGraph ippiAddVertexToGraph ippiRemoveVertexFromGraph ippiAddEdgeToGraph ippiRemoveEdgeFromGraph ippiFindGraphEdge ippiFindGraphVertex (macro) ippiCalcGraphVertexDegree Histograms -(only histograms arrays supported now) ippiCreateHist ippiReleaseHist ippiMakeHistHeaderForArray ippiQueryHistValue ippiGetHistValue ippiThreshHist ippiGetMinMaxHistValue ippiNormalizeHist ippiCompareHist Eigen faces ippiCalcCovarMatrix_8u32f(R) (non-ROI version IPPM)
ippiCalcDecompCoeff_8u32f(R) ippiEigenProjection_8u32f(R) Ellipse fitting ippiEllipseFit32f Optimization functions from "Eigen faces" group have been optimized
Scripting Environment/Scripts Since this delivery file apps\CVLHawk\history.txt contains detailed information about changes Scripting Environment. Plugin technology introduced. allows different libraries without rebuilding application. Saving results .BMP files added. Started using version interpreter Page rotation example (script) added. Release 00.00.21, Monday, January 2000 Functionality improvements/extensions/addings functions/classes/methods Contours processing functions: ippiContourLevelFromCntrTree Eigen faces: ippiCalcEigenObjects_8u32fR finds eigen objects. Template matching functions (each includes methods): ippiMatchTemplate8uC1R ippiMatchTemplate8sC1R ippiMatchTemplate32fC1R Optimization Matrix functions double precision were optimized
Documentation HTML variant IPPM documentation added Scripting Environment/Scripts Demo script letter recognition added. Release 00.00.20, Wednesday, January 2000 Functionality improvements/extensions/addings functions/classes/methods Contours processing functions: ippiMatchContourTrees ippiContourFromCntrTree Earth Mover Distance Tracker classes: CvlKalmanTracker CvlCondensationTracker were added. DShow filters, which tracker classes, were created. Optimization Optical flow (block matching algorithm) optimized MMX/SSE. Scripting Environment Hawk application extended support input from camera. some minor bugs were fixed. Several High functions were documented. Release 00.00.19, Friday, December 1999 Functionality improvements/extensions/addings functions/classes/methods Calibration functions: ippiRogrigues
ippiCalibrateCamera several internal functions: _ipcvFindHomography _ipcvInitIntrinsicParams _ipcvNormalizeImagePoints _ipcvRigidMotionTransform _ipcvProjectPoints _ipcvFindExtrinsicCameraParams Contours: ippiContourArea, ippiContourSecArea ippiCreateContourTree ippiMatchContours ippiFindMinEnclosingCircle Utility functions: ippiRGBToGray_8uC3C1R Detection functions: ippiFindCornerSubPix8uC1R Matrix functions: ippmDetMatrix_32f ippmInvMatrix_32f ippmInvMatrix_64d ippmTransMatrix_32f ippmTransMatrix_64d ippmNormVector_32f ippmNormVector_64d ippmTrace_32f ippmMulVectors_32f ippmSVDecomposition_32f ippmCopyMatrix_64d ippmSetIdentity_64d ippmCopyVector_64d ippmScaleVector_64d ippmSubVector_64d ippmScaleMatrix_64d ippmMulMatrix_64d ippmMulTransMatrixR_64d ippmAddVector_64d ippmComplexMult_32f ippmComplexMult_64d ippmDotProduct_64d ippmSetZero_64d
ippmTransposeMatrix_64d Several misprints IppiCVL manual have been fixed. Release 00.00.18, Wednesday, December 1999 Functionality improvements/extensions/addings functions/classes/methods contour processing functions: Basic functions manipulating ippiSequence type. ippiGetSequenceElementPtr ippiStartWriteSequence ippiEndWriteSequence ippiCreateNewSequenceBlock ippiWriteSequenceElement ippiStartReadSequence ippiReadSequenceElement ippiSetSequenceReaderPos ippiStartReadChainPoints ippiReadChainPoint ippiCopySequenceToArray ippiMakeSequenceHeaderForArray ippiCreateSequenceFromArray Iterative contour retrieving functions ippiInsertContourIntoTree ippiFindNextContour ippiSubstituteContour ippiEndFindContours Convex hull functions, working with ippiSequence ippiConvexHull ippiConvexHullApprox Minimal bounding ippiMinAreaRect Moments contours ippiContoursMoments Wrapper functions:
ippiImage utility functions: ippiCreateImage ippiReleaseImage ippiSetImageData ippiInitImageHeader ippiCreateImageData ippiReleaseImageData ippReleaseImageHeader ippiSetImageRoi ippiCopyImage Processing functions: ippiThreshold ippiPyrDown ippiPyrUp Optimization/Improvements Moments functions (grayscale (8u/8s)C1, binary (8u/8s/32f)C1). Distance transform been optimized algorithmically specially MMX/SSE.
CamShift class rewritten support multi-dimensional histograms Several misprints IppiCVL manual have been fixed.
Release 00.00.17, Monday, November 1999 Functionality improvements/extensions/addings functions/classes/methods Contour processing functions: Function finding approximate convex hull point ippiConvexHullApprox Matrix functions: Eigen values vectors symmetric matrix: ippmJacobiEigens_32f, ippmJacobiEigens_64f Calculating matrix ippmMulTransMatrixR A'A: ippmMulTransMatrixL
Optimization/Improvements Thresholding functions (8u,8s flavors) have been optimized WMT, flavor have been optimized SSE. Release 00.00.16, Monday, November 1999 Functionality improvements/extensions/addings functions/classes/methods Contour processing functions: Chains retrieving ippiFindChains_Plane8uC1R Chains approximation ippiApproximateChains (four methods: direct, simple,TC89_L1,TC89_KCOS) Chains contour drawing ippiDrawChains8uC3R, ippiDrawContours8uC3R, Corner finding ippiFindDominantPoints (one method: IPAN99) Utility functions: ippiCreateChains, ippiCreateContours, ippiReleaseChains, ippiReleaseContours utility functions: ippiAbsDiff(8u/32f)C1R[S] Flood fill functions extended return bounding rectangle filled area Optimization/Improvements Morhology function have been optimized another time made independed from IPL. Documentation:
Manual been extended greatly. existing functions described. Readmes demos have been updated. Manual high- level part library been created.
Release 00.00.15, Friday, October 1999 Functionality improvements/extensions/addings functions/classes/methods First Active Contour related functions ippiSnakeImage8uC1R, ippiSnakeImageGrad8uC1R were added Optimization/Improvements Norm functions with mask support (all flavors) were optimized MMX/SSE. Straight Hough transform speeded several times algorithm improvement. Release 00.00.14, Friday, October 1999 Functionality improvements/extensions/addings General changings Many matrix functions have been renamed
functions/classes/methods Stages Canny Edge Detector separate functions: CannyBegin, CannyEnd. FillConvexPoly functions 8uC1, 8uC3. IPPM functions: Special functions matrices were added: Add, Sub, Transpose, Scale. Optimization/Improvements
Inserted IPPM functions were optimized SSE. CamShift class improved adding pyramids background differencing. Norm functions, SumPixels Mean functions (32f flavor) were optimized SSE. Probabilistic Hough transform speeded twice. Release 00.00.13, Wednesday, September 1999 Functionality improvements/extensions/addings General changings Tests have been made shared between configurations.
functions/classes/methods Probabilistic Hough Transform: ippiHoughLinesP_8uC1R (tested visually) Subdivision classes: General Subdivision, Delaunay Triangulation, Convex Hull building. IPPM functions: Multiply, Transpose. Special Add, Sub, Multiply, Scale, Transposition functions matrices. Mahalanobis distance. Optimization/Improvements Inserted IPPM functions were optimized SSE. CamShift class improved adding pyramids background differencing. Norm functions byte formats were optimized MMX/SSE. Release 00.00.12, Tuesday, August 1999 Functionality improvements/extensions/addings
General changings Project tree modified extended (see readme file): high- level part library empty (storage histogram classes have been added) Matrix primitives library (IPPM) arrived. tests directories moved level upper. configurations have been added same consists with present). Switcher IppiCVL optimized reduce number jumps from
functions/classes/methods Strict Hough Transform: ippiHoughLines_8uC1R (not tested yet) Storage classes (array, tree). Histogram classes with almost complete functionality: creating, accessing, caluclating histogram, retrieving back project, thresholding, normalizing, comparing histograms, iterating, copying clearing. IPPM functions: DeleteMatrix, DeleteVect, AddMatrix, AddVect, CalcQuadrForm, CopyMatrix, CopyVector, CreateMatrix, CreateVect, CrossProduct, DotProduct, GetElement, GetMatrix, GetVector, ScaleVect, SetElement, SetMatrix, SetVector, SubVect, TransformVect. Optimization Next IPPM functions were optimized SSE: AddVect, SubVect, DotProduct, CopyVector, CopyMatrix, SetVector, SetMatrix, GetVector, GetMatrix. Manual variant manual with many corrections (but still date) delivered. Release 00.00.11, Friday, August 1999 Functionality improvements/extensions/addings
functions Image statistics flavors ippiNorm function: ippiNormwith mask support (all flavors) were implemented tested yet, Motion Templates Parameter origin added CalcMotionGradient32fC1R. allows correct motion direction both top-origin bottom-origin functions Functions changed opSize detection functions changes meaning true aperture size Optimization CountNonZero (8u/8s/32f C1/C3) optimization SumPixels (8u/8s optimization MinMaxLoc ((8u/8s C1/C3 32fC1) mask/no_mask) optimization Sobel convolution functions (and, thus, Motion Templates detection functions) were optimized another time. version kernel runs
Release 00.00.10, Saturday 31-07-99 Functionality improvements/extensions/addings functions Image statistics flavors ippiNorm function: ippiNorm(8u/8s/32f)C(1/3)(R), norm types: (C,L1,L2), (||A||, ||A-B||,||A-B||/||A||) ippiGetHuMoments Drawing primitives flavors ippiThickLine ippiConic ippiPutText (single font supported now, italic/bold)
Background differencing primitives (mask version) ippiMaskMultiplyAcc ippiMaskSquareAcc ippiMaskAcc Canny Edge Detector ippiCanny8uC1R
Algorithmic perfomance tests created next functions Algorithmic Image statistics Norm Drawing primitives Line(AA) Ellipse(AA) Conic Canny Background differencing (mask) Pixel Access Macros Performance Norm Drawing primitives Line(AA) Ellipse(AA) Conic Canny Other swl_test extended with pixel access drawing samples
Release 00.00.09, Thursday 15-07-99 Functionality improvements/extensions/addings functions
Image statistics flavors next functions: ippiSumPixels ippiMean(Mask) ippiMean_StdDev(Mask) ippiMinMaxLoc(Mask) ippiMoments ippiMomentsBinary ippiGetSpatialMoment ippiGetCentralMoment ippiGetNormalizedCentralMoment Drawing primitives flavors ippiLine ippiLineAA ippiEllipse ippiEllipseAA POSIT algorithm ippiInitPOSITObject ippiFreePOSITObject ippiPOSIT Distance transform ippiDistTransform3x3_8uC1R ippiDistTransform5x5_8uC1R ippiDistTransformGenMask3x3 ippiDistTransformGenMask5x5 Types renamed CvlThreshType enumeration members changed their prefix ippi/IPPI
Algorithmic perfomance tests created next functions Algorithmic Image statistics: CountNonZero, SumPixels, Mean(Mask), Mean_StdDev(Mask), MinMaxLoc(Mask)
DistanceTransform POSIT Performance Image statistics: CountNonZero, SumPixels, Mean(Mask), Mean_StdDev(Mask), MinMaxLoc(Mask) Release 00.00.08, Thursday 01-07-99 Global changes been divided parts: IPPI (low- level) (hi- level lib) Project tree changed (see readme.txt description) Name prefixes low- level library were changed: From structures (not completely) From ippi external functions From _cvl _ipcv internal functions CvlResult replaced with ippStatus External header cvl.h renamed ippicvl.h Static libraries names were changed appropriately.
Functionality improvements/extensions/addings functions Image statistics ippiCountNonZero(8u/8s)fC1(R) ippiCountNonZero(8u/8s)fC3(R) ippiCountNonZero32fC1(R) ippiCountNonZero32fC3(R) ippiSumPixels8uC1(R) ippiSumPixels8uC3(R) Removed functions
cvlUpdateMotionHistory* cvlRenormMotionHistory* cvlApproxNormalFlow* Algorithmic perfomance tests created Algorithmic ippiSumPixels fixed CAMSHIFT filter: writing pixels image
Release 00.00.07, Thursday 10-06-99
Functionality improvements/extensions/addings functions Fixed Filters group cvlLaplace32fC1R Feature detection cvlPreEdgeDetect32fC1R cvlPreRidgeDetect32fC1R cvlPreCornerDetect32fC1R Mathematical Utility functions cvl(b)CartToPolar32f Motion templates cvlCalcMotionGradient32fC1R Flood fill cvlFloodFill(8u/32f)C1R View Morphing related functions (too many list them)
Algorithmic perfomance tests created Algorithmic Fixed Filters (32f mode) Feature detection (all rest) MathUtils (CartToPolar) Motion Templates (all) Flood Fill(all) Performance Fixed Filters (32f mode) MathUtils (CartToPolar) Motion Templates (all) Flood Fill(all)
Demos developed CAMSHIFT DirectShow Demo well supporting level CAMSHIFT class View Morphing Demo
Switcher library custom DLLs introduced
Documetation manual complemented with some theoretical material pictures/plots Brief readme CAMSHIFT demo written. Release 00.00.06, Monday 31-05-99
Functionality improvements/extensions/addings functions CAMSHIFT group
cvlCamshift(8u/8s/32f)C1R cvlMeanShift(8u/8s/32f)C1R Fixed Filters group cvlSobel(8u/8s/32f)C1R cvlLaplace(8u/8s)C1R Feature detection cvlPreEdgeDetect(8u/8s)C1R cvlPreRidgeDetect(8u/8s)C1R cvlPreCornerDetect(8u/8s)C1R Mathematical Utility functions cvl(b)FastArctan32f cvl(b)Sqrt32f cvl(b)InvSqrt32f cvlRandInit cvl(b)Rand32f Motion templates cvlUpdateMHIByTime32fC1R cvlCalcGlobalOrientation32fC1R Optical flow cvlCalcOpticalFlowHS_8u32fR
Deleted functions Optical flow cvlCalcOpticalFlowPG_8u32f(R)
Algorithm perfomance tests created Algorithms CAMSHIFT Fixed Filters Feature detection (for completed functions) Optical flow algorithm) MathUtils (for completed functions) Performance Optical flow algorithm)
MathUtils
Test changed algorithmic tests corrected able batch mode.
Optimization Morphology functions (32fC1 flavor) become faster rectangular structuring element
Release 00.00.05, Friday 14-05-99
Functionality improvements/extensions/addings Algorithm perfomance tests created tested. Algorithms test CalcOpticalFlowBM_8u32fR added. tests Background function were changed. Performance test CalcOpticalFlowBM_8u32fR added. test RenormMotionHistory added. tests Background function were changed (vectors comparing). Optimization Background differencing functions (running average) optimized PIII. function CvlApproxNormalFlow8u optimized similar flavor. Pyramids optimized partially PIII (32f). UpdateMotionHistory RenormMotionHistory optimized PII.
Building changes SSE-containing files compiled Proton now, is'nt neccessary
switch compiler build version.
fixed: -Running Average Functions pass accuracy tests (test fixed).
Release 00.00.04, Friday 30-04-99 Documentations document cvl.doc changed
Functionality improvements/extensions/addings Added: Calculation optical flow using Lucas&Kanade technique: CalcOpticalFlowLK_8u32fR Algorithm perfomance tests created tested. Algorithms test CalcOpticalFlowLK_8u32fR added. tests Background function were changed. Performance tests Background function were changed. Changed Optimization Functions cvlErode8uC1R cvlDilate8uC1R optimized PIII. function CvlApproxNormalFlow corrected performance advance. versions Background differncing functions were completed.
fixed:
Release 00.00.03, Thursday 15-04-99 Documentations structure document cvl.doc changed
Functionality improvements/extensions/addings Added: next functions were created Added macro direct access pixel function cvlCalcOpticalFlowPG_8u32fR added Algorithm perfomance tests created Algorithms test cvlCalcOpticalFlowPG_8u32fR function created Performance Performance test functions ApproxNormalFlow RunningAverage were done. Performance test UpdateMotionHistory changed generality. (Tests were created). Changed Function ApproxNormalFlow improved better performance. name function cvlCalcOpticalFlowPG_8u cvlCalcOpticalFlowPG_8u32f changed cvlUpdateMotionHistory32fC1R function changed morhology functions when structuring element rectangular form. Timing algorithmic tests have been changed approprietely. Optimization Threshold group functions type) Threshold8uC1 Threshold8sC1 functions (MMX type) Morphological group functions cvlErode8uC1R cvlDilate8uC1R functions fixed: steps float morphology functions now. some bugs corrected function cvlCalcOpticalFlowBM_8u (BUT TESTED TILL)
Release 00.00.02, Wednesday 30-03-99 Functionality improvements/extensions/addings Added: next functions created cvlBackProject1D8uC1R cvlBackProject1D8sC1R cvlBackProject1D32fC1R cvlBackProjectGraph8uC1R cvlBackProjectGraph8sC1R cvlBackProjectGraph32fC1R cvlBackProjectPatch1D8uC1R cvlBackProjectPatch1D8sC1R cvlBackProjectPatch1D32fC1R cvlBackProjectPatchGraph8uC1R cvlBackProjectPatchGraph8sC1R cvlBackProjectPatchGraph32fC1R cvlAcc8s32f cvlAcc32f32f cvlSquareAcc8s32f cvlSquareAcc32f32f cvlMultiplyAcc8s32f cvlMultiplyAcc32f32f cvlRunningAvg8u32f cvlRunningAvg8s32f cvlRunningAvg32f32f cvlUpdateMotionHistory32fC1 cvlUpdateMotionHistory8uC1R cvlUpdateMotionHistory8sC1R cvlUpdateMotionHistory32fC1R
cvlRenormMotionHistory8uC1R cvlRenormMotionHistory8uC1 cvlErode32fC1R cvlErode32fC3R cvlErode32fAC4R cvlDilate32fC1R cvlDilate32fC3R cvlDilate32fAC4R cvlApproxNormalFlow8uC1R cvlApproxNormalFlow8sC1R cvlApproxNormalFlow32fC1R cvlCorrelHistGraph cvlThreshold8uC3R cvlThreshold8sC3R cvlThreshold32fC3R cvlThreshold8uC1S cvlThreshold8sC1S cvlThreshold32fC1S cvlBayesHistGraph cvlCalcOpticalFlowPG_8u cvlMultiplyAcc8s32f cvlMultiplyAcc32f32f Algorithm perfomance tests created Algorithms cvlApproxNormalFlow8uC1R cvlApproxNormalFlow8sC1R cvlApproxNormalFlow32fC1R cvlBayesHistGraph cvlCalcOpticalFlowPG_8u cvlBackProject1D8uC1R cvlBackProject1D8sC1R cvlBackProject1D32fC1R
cvlBackProjectGraph8uC1R cvlBackProjectGraph8sC1R cvlBackProjectGraph32fC cvlBackProjectPatch1D8uC1R cvlBackProjectPatch1D8sC1R cvlBackProjectPatch1D32fC1R cvlBackProjectPatchGraph8uC1R cvlBackProjectPatchGraph8sC1R cvlBackProjectPatchGraph32fC1R cvlThreshold8uC3R cvlThreshold8sC3R cvlThreshold32fC3R cvlThreshold8uC1S cvlThreshold8sC1S cvlThreshold32fC1S cvlCorrelHistGraph cvlErode32fC1R cvlErode32fC3R cvlErode32fAC4R cvlDilate32fC1R cvlDilate32fC3R cvlDilate32fAC4R cvlAcc8s32f cvlAcc32f32f cvlSquareAcc8s32f cvlSquareAcc32f32f Performance Morphology function group, Background differencing group partially Changed -cvlUpdateMotionHistory8uC1 cvlUpdateMotionHistory8sC1 fixed:
Release 00.00.01, Monday 15-03-99 Functionality improvements/extensions/addings Added: next functions created cvlErode8uC1R, cvlErode8uC3R, cvlErode8uAC4R, cvlDilate8uC1R, cvlDilate8uC3R, cvlDilate8uAC4R. cvlCreateStructuringElement cvlDeleteStructuringElement cvlCalcOpticalFlowBM_8u Algorithm perfomance tests created Histogram group functions Pyramids group functions Morphology group function (only algorithms) Motion templates partially Changed Renamed histogram structures DefHist1DGrad DefHist1D Renamed histogram structures DefHistGrad DefHistGraph Renamed functions name parameters names which these functions take. fixed: cvlUpdateMotionHistory fixed.
Release 00.00.00, Friday 05-03-99
Functionality improvements/extensions/addings Added: next functions created Creating/Releasing histograms cvlCreateHist1DGrad cvlReleaseHist1DGrad cvlCreateHistGrad cvlReleaseHistGrad Calculation histograms from different data types cvlCalcHist1DGrad8uC1 cvlCalcHist1DGrad8sC1 cvlCalcHist1DGrad32fC1 cvlCalcHistGrad8uC1 cvlCalcHistGrad8sC1 cvlCalcHistGrad32fC1 Basic histogram operations cvlNormHist1DGrad cvlClearOutAllDataHist1DGrad cvlIntersectionHist1DGrad cvlChiSqrHist1DGrad cvlCorrelHist1DGrad cvlBayesHist1DGrad cvlCopyHist1DGrad cvlSumHist1DGrad cvlMeanHist1DGrad cvlThreshHist1DGrad cvlSubHist1DGrad cvlMultHist1DGrad cvlInsertPointHistGrad cvlFindPointHistGrad cvlDeletePointHistGrad cvlGetValueHistGrad cvlCopyHistGrad cvlMultHistGrad cvlNormHistGrad cvlIntersectionHistGrad cvlChiSqrHistGrad cvlThreshHistGrad
Pyramids functions cvlPyrDown8uC1 cvlPyrDown8sC1 cvlPyrDown32fC1 cvlPyrDown8uC1R cvlPyrDown8sC1R cvlPyrDown32fC1R cvlPyrDown8uC3 cvlPyrDown8sC3 cvlPyrDown32fC3 cvlPyrDown8uC3R cvlPyrDown8sC3R cvlPyrDown32fC3R cvlPyrUp8uC1 cvlPyrUp8sC1 cvlPyrUp32fC1 cvlPyrUp8uC1R cvlPyrUp8sC1R cvlPyrUp32fC1R cvlPyrUp8uC3 cvlPyrUp8sC3 cvlPyrUp32fC3 cvlPyrUp8uC3R cvlPyrUp8sC3R cvlPyrUp32fC3R MotionTemplate operations cvlUpdateMotionHistory8uC1 cvlUpdateMotionHistory8sC1 Created Demo application object tracker.

-VIIIa. following bugs have been fixed: bug, preventing OpenCV from lo

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