Creates a uniformly distributed data vector of length a (values are in the range [0,1[)

Creates a Gaussian distributed data vector of length a, with mean=0 and standard deviation=1

Rotation of a ray in the YZ-plane

3D scaling of a ray

Volumetric ray tracer implementation, using nearest neighbor interpolation Note: we use CUDA hardware textures for speeding up things

Volumetric ray tracer implementation, using trilinear interpolation Note: we use CUDA hardware textures for speeding up things

Volumetric ray tracer implementation, using trilinear interpolation Note: we use CUDA hardware textures for speeding up things

Returns the real part of a complex number / matrix

Repeats the matrix ‘dims’ times.

Changes the dimensions of a matrix, by reordering the elements of the matrix.

Conversion from RGB to grayscale

Conversion from RGB to Hue-Saturation-Luminance (HSL)

Conversion from RGB to Hue-Saturation-Value (HSV)

Conversion from RGB to Hue-Saturation-Value (HSV)

Conversion from RGB to the CIELAB color space

Rounds to the nearest integer

Saturates the values of x to the range [0,1]

Saves variables to a file

Data visualization function

Find the edge magnitude using the scharr filters.

Lauches a given kernel function fn in serial to every element of a certain matrix

Allocates uninitialized shared memory according to the dimensions x.

Allocates zero-initialized shared memory according to the dimensions x.

Computes the discrete shearlet transform

Computes the energy per subband, useful for subband normalization.

Computes the inverse discrete shearlet transform

Soft-shrinkage of a subband (or cell array)

Performs a permutation on the dimensions of a matrix

Returns +1 if x is positive, 0 if x == 0, and -1 if x is negative.

Computes the sine of x, where x is specified in radials

The normalized sinc function, defined as sin(pi*x)/(pi*x)

Returns a vector of length 3 with the size of x

Find the edge magnitude using the Sobel filters.

A soft step function at x=1 (based on the cosine function)

inplace sort along the rows (currently: ascending sort).

a non-inplace sort along the rows that also returns the indices (ascending sort) Internally uses a parallel bitsort algorithm.

C-like string formatting

Returns the square root of x.

Parses a string using C-style formatting rules

computes the standard deviation of all elements in a matrix

converts the string to a numerical value

Concatenates strings

Computes a subsampling operation in FFT domain

Computes the sum of all elements of a matrix (along all dimensions)

Computation of a singular value decomposition (SVD).

Swaps the values of two variables

Computes the symmetric square root of a positive definite matrix

Sets the synchronization framerate for the imshow function, in number of frames displayed per second.

Computes the tangent of x, where x is specified in radials

Set a timer to be read by the next call to toc.

Modifies the title of the previous plot

Print and return the time elapsed since the last tic

Computes a square toeplitz matrix

Computes the trace of a matrix (i.e.

Transposes a matrix.

Returns the type of an object

Creates an uninitialized real-valued data vector of length a

Computes an upsampling operation in FFT domain

Extracts the vertical edges of an image using a vertical prewith filter

Extracts the vertical edges of an image using a vertical scharr filter

Extracts the vertical edges of an image using a vertical sobel filter

Vertical concatenation function: works for matrix, complex matrices and cell matrices

Opens the specified video file for reading (and decoding)

Opens and plays the specified video file using TNGVideoPlayer.

Reads and decodes one frame of the video sequence

Opens the specified video file for writing (by encoding)

Encodes and writes one frame to an output video stream

Real-time visualization of 3D volumes (the main function)

A 3D 2x2x2 box filter, used to speed up the volumetric rendering

Computes shearlet wedge filters

weighted polynomial fitting

Modifies the label of the x-axis of the previous plot

Modifies the range of the x-axis of the previous plot

Modifies the label of the y-axis of the previous plot

Modifies the range of the y-axis of the previous plot

Creates a zero-initialized real-valued data vector of length a