Wolfram/StylesheetTools
Utilities for creating and editing stylesheet notebooks
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693 items
PeterBurbery/CoreLanguageAndStructureFunctionality
Additional functionality for the core language and structure of Mathematica
KevinSetter/SetterAssumptions
Improved syntax for making assumptions, clearing variables, and reporting answers
AntonAntonov/TriesWithFrequencies
Functions for creation and manipulation of tries (prefix trees) with frequencies
Exercise Images for Introduction to Image Processing MOOC
Images used for exercises in the Introduction to Image Processing MOOC.
SphericalImage
Map an image onto a sphere to view it from the inside as a VR surrounding or from the outside as a globe
OneChannelGrayscale
Convert a three-channel color RGB image to a one-channel grayscale image or matrix
Visualize a Protein Contact Map from a Residue Distance Matrix
Compute and visualize the residue distance matrix and binary contact map of myoglobin
GeneralizedFiedlerMatrix
Generate the generalized Fiedler companion matrix of a univariate polynomial
LawrenceWinkler/MatrixDecomposition
Various simple matrix decompositions algorithms and support functions
NewtonCompanionMatrix
Generate the companion matrix for the Newton interpolating polynomial of a given set of points
WallGo/WallGoMatrix
Computes 2-to-2 scattering matrix amplitudes for arbitrary quantum field theories
AntonAntonov/MonadicSparseMatrixRecommender
A software monad for Sparse Matrix Recommender (SMR) workflows
ImageInkOverWatercolor
Give an image the appearance that it has been painted in watercolor and then outlined in black ink
PinkBoxImageQ
Determine whether an image contains a pink color typically created by an error in a notebook
DensityMatrixToStateMultipole
Represent matrix elements via density state multipoles (statistical tensors)
StateMultipoleToDensityMatrix
Represent state multipoles (statistical tensors) via density matrix elements
Multiscale Image Representation with Image Pyramids
Create Gaussian and Laplacian pyramids to facilitate efficient multiscale image processing
OrthogonalPolynomialVandermondeMatrix
Generate the orthogonal polynomial Vandermonde matrix corresponding to a given vector
Cover Image from A New Kind of Science
The cellular automaton evolution shown on the cover of Stephen Wolfram’s A New Kind of Science
DiscreteHilbertTransformMatrix
Generate a matrix that arises in the computation of the discrete Hilbert transform
ConfusionMatrixTrajectoryFunction
Construct a function that, when given a threshold probability value, produces a confusion matrix
ConfusionMatrixToClassifierMeasurementsObject
Convert a confusion matrix into a ClassifierMeasurementsObject from which statistics can be derived
Compare Images Using Coupled Dynamic Image Objects
Compare two satellite images of Venice, Italy, using an interactive graphical user interface
Selective Coloring of Images
Use selective desaturation on an image to highlight a particular part of the picture or cut it out
Image Vectorization
Apply smoothing and quantization to a raster image to make it more suitable for vectorization
Interactive Image Measurements
Create a custom interface to interactively measure objects in an image
RandomSparseSPDMatrixProbNum
Create a random sparse symmetric positive definite matrix using the Python package ProbNum
Stitching of Microscope Images
Obtain the entire image of a larger specimen by stitching images together
ConicAnamorphosisMap
Convert a point reflected in the base of a right conical mirror to its conic anamorphic map in the xy plane
SkewLTLDecomposition
Tridiagonalize an antisymmetric (skew-symmetric) matrix using the Parlett-Reid algorithm
DefinitePencilReduce
Convert a Hermitian-definite matrix pencil into a matrix with the same eigenvalues
Smooth the Boundary of a Region
Use the curvature flow image filter to smooth the boundary of a snowflake
Create a Maze from an Image
Create a maze image by computing a shortest tour through a set of image points
Remove and Reposition an Object in an Image
Use segmentation to extract an object from an image, remove it with inpainting, and place it at a new location
Colorize Electron Microscopy Images
Train a neural network to automatically colorize monochrome electron microscopy images
Focus Stacking of Microscopic Images
Construct a sharp image by combining several images at different focus distances
Train a Custom Image Classifier
Retrain an image classifier network to automatically distinguish dromedaries from camels
Identify and Label Parts of an Image
Use a pre-trained neural net to segment an image into semantic concepts
Equalize the Brightness in an Image
Adjust the skewed brightness distribution of a microscopy image caused by uneven illumination
Recognize Molecules from Images
Search external databases for information on a Molecule object obtained from an image
Efficient Image Zooming Using Multiscale Pyramids
Create a Gaussian image pyramid for zooming into a large image
Smooth Image Assembly using Multiscale Blending
Split and merge two images at different scales using image pyramids
Replace a Daytime Background with a Nighttime Image
Use color-based segmentation to find a uniform color background
Tone Mapping Using Simple Image Arithmetic
Prototype a tone-mapping algorithm to make dark pixels of an image visible in the standard dynamic range
NEigenvalueSumGradient
Numerically evaluate the gradient of a function summed over the eigenvalues of a matrix, with respect to matrix parameters
Transform a Region Using Image Processing Filters
Convert a 3D region into a 3D image, deform and transform it back to the mesh region
Face Mask computer-vision training dataset
Images of people's faces with a face mask and without a face mask
Classify Pollen Images Using Neural Nets
Use image feature extraction and neural networks to classify pollen samples of different flowers
Train LeNet to Classify Images of FashionMNIST
Classify images of a dataset of labeled fashion images
Count Gear Teeth Using Image Contours
Develop a convex hull–based algorithm to analyze the shape of gears
BuildBioSequenceBondListFromFoldingMatrix
Construct all potential bond lists from a folding matrix associated with a biomolecular sequence
ExifAltitude
Extract the elevation that an image was taken at with the EXIF metadata attached to a file
Tennis Game as a Markov Chain
Model a tennis game as a Markov process and compute win and duration probabilities
SteganographyExtract
Extract a message that has been hidden in an image using the resource function SteganographyInsert
FindDistanceInstance
Find an instance of n-dimensional vectors that produce a specified distance matrix
Portfolio Optimization
Find the optimal portfolio weights that balance expected return and risk based on simulated asset data
Highlight Edges in an Image with a Custom-Designed Differentiator FIR Filter
Build a custom differentiator filter and apply it to an image
FirstOrderCorrelation
Compute the first order correlation matrix from an original correlation matrix
LinearConstraints
Determine the consistency equations required for a system of linear equations to have a solution
3D Facial Reconstruction from 2D Images
Use neural networks to estimate the shape of a face with unguided volumetric regression
Minecraft Block Types
Wolfram Language EntityStore with IDs and sample images for 150+ types of Minecraft blocks
Experiment with Color Quantization and Compression with GIF Export
Use color quantization to improve image export and compare different quantization methods
Keypoint-Based Video Stabilization
Use keypoints and estimate geometric transformations between video frames to stabilize a video
Segment and Analyze Blood Cells
Use blob analysis techniques to mark the location and size of cells in a microscopy image
Use Contours to Make Hand Drawings
Create hand drawings of objects in images using Fourier of contour points
Remove Background Features from a CT Scan
Use segmentation and segment selection techniques to remove background features from an image
HessianDeterminant
Compute the Hessian determinant of a function with respect to a list of variables
ToCompressedBoxes
Generate boxes corresponding to the printed form of an expression that are compressed where possible
Find the Longest Path in a Molecule
Use the distance matrix and shortest path algorithm to find the longest through-bond communication path in a tRNA connector
ExtendedGroebnerBasis
Compute a Groebner basis and a conversion matrix from the input polynomials to the basis
DiagonalizeQuadratic
Write a quadratic expression as a sum of squares by eliminating its mixed terms and then completing squares
Interactively View Fluorescent Uptake of Cells
Segment and identify cells with more than a certain fluorescent uptake
Minimal Inequivalent Square Tilings
A dataset of images and constraints for the minimal inequivalent square tilings, along with the allowed tiles that generate the tiling
QuantumTensorAutomaton
A quantum cellular automaton model that evolves the tensor product of a collection of initial qubits using arbitrary compositions of unitary operators for a finite number of steps
ElasticData
Compute elastic properties of a material with a specified elastic tensor (stiffness matrix)
Segment a 3D Volume via Region Growing
Apply segmentation to an electron microscopy image of hippocampus tissue
ExtendedLatticeReduce
Compute a reduced basis for a set of vectors, along with a unimodular matrix that converts from the vectors to the reduced basis
Keypoints for a Projective Transformation
Use ORB keypoint descriptors to compute an image transformation
Find the Gap in a CT Scan of a Spine
Use the image processing and geometric computation frameworks to find the gap in an image
StringObfuscate
Generate an image of a string that is obfuscated so as to resist interpretation by automated systems
JaneShenGunther/TCGADataTool
TCGA Data Tool retrieves TCGA cancer datasets easily from the NCI GDC and TCIA portals
BezierInterpolatingControlPoints
Compute the control points of a Bézier curve that interpolates a given set of points
Creative Art Using Nested Style Transfer
Apply style transfer to an image to generate new creative art
Texture-Based Segmentation
Segment an image using the orientation of its local texture and highlight the two segments
Simple Face Recognition
Implement a simple face recognition algorithm by classifying facial descriptors
Nocturnal Jet Wind Profiles Measured with WiPPR
Measurements of vertical wind profiles measured at night in the Arizona desert using a high dynamic range, Ka band radar
Seven Year Microwave Sky
The detailed, all-sky picture of the infant universe created from seven years of WMAP data
ObjectDetectionAnchorBoxes
Create an array of candidate bounding boxes for object detection (anchors)
Face Analysis from Star Trek Video
Identify the faces of a set of of characters in a Star Trek promotional video
Generate Art with Learned Pixel Distributions
Learn the underlying distribution of images to create artistic images with high resolution
CycleGAN Horse-to-Zebra Translation Trained on ImageNet Competition Data
Turn horses into zebras in a photo
CycleGAN Zebra-to-Horse Translation Trained on ImageNet Competition Data
Turn zebras into horses in a photo
CycleGAN Orange-to-Apple Translation Trained on ImageNet Competition Data
Turn oranges into apples in a photo
CycleGAN Apple-to-Orange Translation Trained on ImageNet Competition Data
Turn apples into oranges in a photo
Create a Slow Motion Video with Optical Flow
Interpolate between existing image frames to create a slow motion sequence
Detect Rotating Objects in a Video
Apply vector field analysis on image displacements to capture video dynamics
Sample Data: Satellite
Classify the type of land surface of a scene photographed by the Landsat MSS satellite given four digital images of the scene taken in different spectral bands
D'Arcy Thompson Zoology Museum 3D Anatomical Models
Models from the museum at the University of Dundee, Scotland
Measurement of Dye Concentration
Use a color deconvolution algorithm to separate a microscopy image of stained tissue samples
AntonAntonov/MonadicGeometricNearestNeighbors
Software monad for Geometric Nearest Neighbors workflows
BLIP Image-Text Matching Nets Trained on Captioning Datasets
Find the similarity score between a text and an image
QuadraticResidueAcousticDiffuser
Compute a matrix of well depth values representing a quadratic-residue diffuser
LatinSquare
Generate a matrix from a list such that no row or column contains the same element twice
MultidimensionalScaling
Reduce a matrix of real values to low dimension using the principal coordinates analysis method
MermaidInk
Get an image corresponding to a Mermaid-JS specification via the web Mermaid-Ink interface of Mermaid-JS
Squeeze-and-Excitation Net Trained on ImageNet Competition Data
Identify the main object in an image
DoubleU-Net Trained on Medical Image Segmentation Datasets
Segment medical images performing a task-dependent binary classification
Find the Period of the Gait of an Animated Woolly Mammoth
Find the period of the gait of an animated mammoth
Single-Image Depth Perception Net Trained on Depth in the Wild Data
Estimate the depth map of an image
Microscope-Specific File Formats
Use Bio-Formats to import and read microscopy image data and metadata
Paul Revere's Social Network in Colonial Boston
Dataset of associations among political groups in colonial Boston 1762 - 1775
CurveToBSplineFunction
Create a smooth parametrized function from a list of points with flexible control over smoothing
ChiSquareMarkovChainStatistics
Calculate a chi-square statistic reflecting the homogeneity of a Markov chain's transition matrix over several time periods
Single-Image Depth Perception Net Trained on NYU Depth V2 and Depth in the Wild Data
Estimate the depth map of an image
ToTensor
Convert an expression involving ArrayDot, Dot, Transpose, Tr or MatrixPower into an equivalent expression using TensorContract
Arecibo Telescope 1974 Transmitted SETI Message
A sequence intended for communication with extraterrestrial intelligence, transmitted in 1974 from the Arecibo radio telescope
Train an Age Estimation Network
Use surgery functionality to train a net from the Wolfram Neural Net Repository
Video Motion Field and Divergence Analysis
Compute and visualize the divergence of a motion field extracted from a video sequence
Season-Inspired Fashion Recoloring
Recolor an image using inspiration from seasonal photos with segmentation and color replacement
Point-Based Object Tracking in a Beehive Video
Track selected bees in a hive video and analyze their motion trajectories over time
Distinguish Daytime from Nighttime Pictures
Train a simple classifier to distinguish daytime photos from nighttime ones
Pepper Pungency on the Scoville Scale
Plot the ranking of peppers by their Scoville heat rating and create a peppers image collage
Mister Rogers' Sweater Colors
Colors of sweaters worn by Fred Rogers on episodes of Mister Rogers' Neighborhood
Compare Two ECG Signals Using DTW
Use the dynamic time warping distance to compare two heartbeat signals
Compare the Shape of Different Countries
Calculate shape distances between countries using canonical time warping
AdaIN-Style Trained on MS-COCO and Painter by Numbers Data
Transfer the style of one image to another image
Enhanced Super-Resolution GAN Trained on DIV2K, Flickr2K and OST Data
Increase the resoution of an image
Photo Colorization
Use networks provided in the Wolfram Neural Net Repository to automatically colorize grayscale photos
Gridded World Population Density
UN-adjusted gridded world population density for the years 2000, 2005, 2010, and 2015
AntonAntonov/MonadicEventRecordsTransformations
A software monad for transformation of event records
AntonAntonov/SoftwareDesignMethodsWithWLBook
The book "Software Design Methods with Wolfram Language" as a paclet
Similarity of Instrument Recordings
Use distance metric functions on audio features extracted from audio signals to compute similarity
Animate a Map of Plant Imagery
Create a smooth video animation of NDVI plant health NASA remote sensing imagery from NASA GIBS over a specified date range
OpenCLIP Multi-domain Feature Extractor Trained on LAION-2B Data
Represent words and images as vectors
OpenFace Face Recognition Net Trained on CASIA-WebFace and FaceScrub Data
Represent a facial image as a vector
Unguided Volumetric Regression Net for 3D Face Reconstruction
Reconstruct a 3D facial image from a 2D facial image
SSD-VGG-512 Trained on PASCAL VOC2007, PASCAL VOC2012 and MS-COCO Data
Detect and localize objects in an image
ResNet-101 for 3D Morphable Model Regression Trained on Casia WebFace Data
Represent a facial image as a vector
OpenCLIP Multi-domain Feature Extractor Trained on DataComp-1B Data
Represent words and images as vectors
Recognize Keywords in Speech
Compute the probabilities and locations of a set of words in a recording
VectorSubspaceQ
Determine if the span of one list of vectors is contained in the span of a second list of vectors
Triangle3DTo2D
Given a 3D triangle, return an equivalent 2D triangle along with a transformation function
BLIP Visual Question Answering Nets Trained on VQA Data
Generate an answer to a question given an image
Pose-Aware Face Recognition in the Wild Nets Trained on CASIA WebFace Data
Represent a facial image as a vector
Inception V1 Trained on Extended Salient Object Subitizing Data
Count the number of prominent items in an image
U-Net Trained on Glioblastoma-Astrocytoma U373 Cells on a Polyacrylamide Substrate Data
Segment a microscopy image to detect cells
Gender Prediction VGG-16 Trained on IMDB-WIKI Data
Predict a person's gender from an image of their face
Age Estimation VGG-16 Trained on IMDB-WIKI and Looking at People Data
Predict a person's age from an image of their face
2D Face Alignment Net Trained on 300W Large Pose Data
Determine the locations of keypoints from a facial image
CenterNet Pose Estimation Nets Trained on MS-COCO Data
Detect and localize human joints and objects in an image
Dilated ResNet-105 Trained on Cityscapes Data
Segment an image of a driving scenario into semantic component classes
Dilated ResNet-22 Trained on Cityscapes Data
Segment an image of a driving scenario into semantic component classes
Dilated ResNet-38 Trained on Cityscapes Data
Segment an image of a driving scenario into semantic component classes
Multi-scale Context Aggregation Net Trained on PASCAL VOC2012 Data
Segment an image into various semantic component classes
Ademxapp Model A1 Trained on PASCAL VOC2012 and MS-COCO Data
Segment an image into various semantic component classes
Vanilla CNN for Facial Landmark Regression
Determine the locations of the eyes, nose and mouth from a facial image
RadialDistributionFunctionList
Compute the relative probability of finding a point at a given distance from another point
Compare Weather in Chicago and European Capitals
Find the city in the European Union with the closest temperatures to Chicago
Ademxapp Model A1 Trained on Cityscapes Data
Segment an image of a driving scenario into semantic component classes
Multi-scale Context Aggregation Net Trained on Cityscapes Data
Segment an image of a driving scenario into semantic component classes
ForkNet Brain Segmentation Net Trained on NAMIC Data
Segment an image of a human brain into different anatomical structures
Multi-scale Context Aggregation Net Trained on CamVid Data
Segment an image of a driving scenario into semantic component classes
PairwiseMultidimensionalScaling
Multidimensional scaling algorithm for embedding pairwise distances into a Cartesian space
MultinormalKLDivergence
Compute the Kullback–Leibler divergence between two multinormal distributions
3D Face Alignment Net Trained on 300W Large Pose Data
Determine the 2D projection of 3D keypoints from a facial image
AssociationOuter
Compute the generalized outer product of lists and get an association keyed by arguments
OpticalFieldModeling
Model non-paraxial optical field interference and diffraction experiments under arbitrary spatial coherence
Micro Aerial Vehicle Trail Navigation Nets Trained on IDSIA Swiss Alps and PASCAL VOC Data
Navigate a drone in a forest environment
Channel-Separated Video Action Classification Net Trained on Kinetics-400 Data
Identify the main action in a video
Compare and Predict Stock Prices
Use dynamic time warping to predict stock prices for the next 30 days
Visualize3DView
Interactively visualize the camera setup relative to the scene and lighting of 3D graphics