Codes

Generating 2D and 3D Vascular Trees

• Paper: OpenCCO: An Implementation of Constrained Constructive Optimization for Generating 2D and 3D Vascular Trees (IPOL 2023)
• Keywords: Constrained constructive, tubular structure, vasculature, bifurcation, 3D images
• Online demo: here
• Github repository: Code C/C++

3D Adaptive tangent cover

• Paper: Tangential cover for 3D irregular noisy digital curves (DGMM 2022)
• Keywords: 3D digital curves, noise estimator, tangent and curvature estimators
• Github repository: Code C/C++

Homotopic affine transforms

• Paper: Homotopic affine transformations in the 2D Cartesian grid (JMIV 2022)
• Keywords: Affine transformations, Cartesian grid, Homotopy type, Binary images, Cubical complexes, Cellular complexes
• Github repository: Code C/C++

Table detection in document images

• Paper: Digital line segment detection for table reconstruction in document images (ICIAP 2022)
• Keywords: Digital line, segment detection, materialized table extraction
• Github repository: Code C/C++

Tree Defect Segmentation

• Paper: Tree Defect Segmentation using Geometric Features and CNN (RRPR 2021)
• Paper: CNN-based Method for Segmenting Tree Bark Surface Singularites (IPOL 2022)
• Keywords: Wood surface defects, Defect segmentation, Relief map, LIDAR, Centerline, U-Net
• Online demo: here
• Github repository: Code C/C++

Pith detection on log-end images

• Paper: Pith Estimation on Tree Log End Images (RRPR 2021)
• Paper: Ant Colony Optimization for Estimating Pith Position on Images of Tree Log Ends (IPOL 2022)
• Keywords: Agent-based method, Local orientation, Hough transform
• Online demo: here
• Github repository: Code C/C++

Curvilinear structure extraction from Lidar raw data

• Paper: Automatic forest road extraction from LiDAR data of mountainous areas (DGMM 2021)
• Keywords: LiDAR data, Road detection, Point cloud processing, DTM image analysis
• Software: AMREL (Automatic Mountain Road Extraction from LiDAR data)
• Paper: Fast extraction of linear structures from LiDAR raw data for archaeomorphological structure prospection (ISPRS 2021)
• Paper: Live extraction of curvilinear structures from lidar raw data (ISPRS 2020)
• Keywords: Lidar, raw data processing, digital geometry, forested area, mountainous area, road extraction, ridge extraction
• Software: ILSD (Interactive Linear Structures Detector)

Digital hyperplane fitting

• Paper: Digital hyperplane fittingg (IWCIA 2020)
• Keywords: Optimal consensus, Exact computation, Discrete optimization, Optimal fitting, dD Delaunay triangulation
• Github repository: Code C/C++

Fast Blurred Segment Detector

• Paper: Thick Line Segment Detection with Fast Directional Tracking (ICIAP 2019)
• Keywords: Line/segment detection, discrete objects, digital geometry
• Online demo: here
• Github repository: Code C/C++

Decomposition of Digital Contours

• Paper: A discrete approach for decomposing noisy digital contours into arcs and segments (ACCV 2016)
• Keywords: Adaptive tangential cover, dominant point detection, tangent space
• Online demo: here
• Paper: An algorithm to decompose noisy digital contours (RRPR 2016)
• Keywords: Digital Contours Representation, Image Vectorisation, Discrete Geometry
• Online demo: here
• Github repository: Code C/C++
• Paper: Greyscale Image Vectorization from Geometric Digital Contour Representations (DGCI 2017)
• Keywords: Digital Contours, Image Vectorisation, Polygonalization
• Online demo: here

Discrete structure for noisy curves

• Paper: A discrete approach for polygonal approximation of irregular noise contours (CAIP 2019)
• Keywords:Discrete structure, Polygonal representation, Dominant point
• Online demo: here
• Github repository: Code C/C++
• Paper: Analysis of Noisy Digital Contours with Adaptive Tangential Cover (JMIV 2017)
• Keywords: Maximal blurred segment, noise level, geometrical parameters, dominant points, tangent, normal vectors, length contour estimator, concave/convexe parts
• Online demo: here
• Github repository: Code C/C++
• Paper: Adaptive tangential cover for noisy digital contours (DGCI 2016)
• Keywords: maximal blurred segment, tangential cover, noise level, digital contour,
  dominant point
• Online demo: here
• Github repository: Code C/C++

Image registration

• Paper: Discrete rigid transformation graph search for 2D image registration (PSIVT 2013)
• Paper: Efficient Neighbourhood Computing for Discrete Rigid Transformation Graph Search (DGCI 2014)
• Keywords: Rigid registration, combinatorial optimisation, parameter space subdivision
• Download: C/C++ code

Regularity for topological invariance

• Paper: Convexity Invariance of Voxel Objects under Rigid Motions (ICPR 2018)
• Keywords: Volumique image, quasi-regularity, topological invariance, rigid transformation
• Online demo: here
• Github repository : 2D a3D

• Paper: Topology-preserving rigid transformation of 2D digital images (IEEE Trans. on Image Processing 2014)
• Keywords: Digital topology, topological preservation, up-sampling, rigid transformation
• Download: C/C++ code

• Paper: Topology-preserving conditions for 2D digital images under rigid transformations (JMIV 2014)
• Paper: Well-composed images and rigid transformations (ICIP 2013)
• Keywords: Well-composed set, rigid transformation, topological invariance
• Download: C/C++ code

• Paper: Sufficient conditions for topological invariance of 2D images under rigid transformations (DGCI 2013)
• Keywords: Point simple, rigid transformation, digital topology, binary images
• Download: C/C++ code for generating the topoloical invariance samples and the LUTs of (4,8)-and (8,4)-adjacent relations

Discrete rotation (with exact computation)

• Poster: Efficient Exact Computation for Incremental Discrete Rotation using Continued Fraction (DGCI 2011)
• Keywords: Exact computation, discrete rotation, continued fraction
• Download: C/C++ code