Research

Feature Detectors and Descriptors

• • Non-deep image matching by local approximated homographies through Slime [more info, code, data and other resources]

  • Keypoint localization and patch refinement by Middle Homography (MiHo), NCC and ALS matching [more_info, code & data, FAPER2023 slides, github enhanced version work in progress] 

  • HarrisZ+ | AffNet | HardNet8 | blob matching | DTM | AdaLAM | DegenSAC image matching pipeline [more info, code, IMW2021 slides]

  • HarrisZ+ | OriNet | AffNet | HardNet8 | blob matching | DTM | DegenSAC | KFC image matching Hybrid Pipeline (HP) usage with COLMAP [more info, code]

  • HarrisZ/HarrisZ+ keypoint detector [HarrisZ/HarrisZ+ Matlab code, HarrisZ C code - check inside the archive, more info]

  • sGLOH2 keypoint descriptor and descriptor quantization, binarization, matching and evaluation [more info, further info, code & data - check inside the archive, BiSIFT & BisGLOH2 standalone code, approximated overlap error standalone code, Matlab tool to manually select correspondences in images]

  • Blob matching + Delaunay Triangulation Matching (DTM) + 1SAC and evaluation of matching strategies [more info, code & data] 

  • normalized RANSAC (noRANSAC) [code, including implementations of RANSAC, MSAC, MLESAC, PROSAC, SCRAMSAC and for the fundamental matrix evaluation].

  • Error measures for the evaluation of features in three-dimensional scenes [code, evaluation, additional material, previous evaluation additional material]

  • Evaluation of image matching pipelines for multi-temporal cultural heritage data [info, code & data for FAPER2022 and LOW3D2022]

  • "Matching Image Features", PhD thesis, 2011 [pdf, slides]

SfM/SLAM

• • Selective SLAM (SSLAM) [more info, code, example result]

  • Simulated Annealing Monocular SLAM (SAMSLAM) [more info]

  • Double Window Adaptive Frame Selection (DWAFS) [more info]

  • Historical stereo photo interactive 3D map computation [more info]

  • 3D view synthesis [my degree thesis, view example results 1-2, only the middle frame is original]

Image Mosaicing

• Mosaic best reference homography estimation with color correction [more info, full pipeline, core function only, scene setup/video/mosaic example result, see also below]

• Underwater mosaicing from video [slides, view video/mosaic last and video/mosaic old example results, see also above]

Image Analysis and Processing

• • Color correction methods and evaluation [more info, code & data]

  • Historical stereo photo restoration and enhancement  [more info, code & data]

  • Radial distortion correction using a calibration pattern [code]

  • Morphological erosion, dilation, median filter and generic k-order statistic filter implementations for non-integer values and wide non-square kernel windows [code, also on Matlab File Exchange]

Image Forensics

• Cropping detection [more info]

• Face splicing detection [more info, code]

• PRNU registration and tracking [more info, code & data 1-2]

Parallel Multithreaded Programming

• • Dynamic workload balancing scheduler for image filters

  • My old Operating Systems Laboratory class [lessons & code, in Italian]

Medical Imaging

• Multi-image super-resolution of corneal endothelium [more info]

• Retinal image registration

• Vessel flow analysis in capillaroscopic videos