sms_optic_flow_2.0.tar.gz_flow_optical_flow_sms

Robust Optical Flow -------------------- ******* SUMMARY ******* A program for optical flow estimation based on the Brox et al. method (temporal version): Cite: Thomas Brox , Andrés Bruhn , Nils Papenberg , Joachim Weickert, "High Accuracy Optical Flow Estimation Based on a Theory for Warping", In Proc. 8th European Conference on Computer Vision, Springer LNCS 3024, T. Pajdla and J.Matas (Eds.), vol. 4, pp. 25-36, Prague, May 2004. This program is part of an IPOL publication: http://www.ipol.im/pub/algo/sms_optic_flow/ This program is written by Javier Sánchez Pérez <[email protected]> CTIM, Universidad de Las Palmas de Gran Canaria Nelson Monzón López <[email protected]> CTIM, Universidad de Las Palmas de Gran Canaria Agustín Salgado de la Nuez <[email protected]> CTIM, Universidad de Las Palmas de Gran Canaria Version 1, released on June 20, 2012 This software is distributed under the terms of the BSD license (see file license.txt) *********** COMPILATION *********** Required environment: Any unix-like system with a standard compilation environment (make and C and C++ compilers) Required libraries: libpng, lipjpeg, libtiff Compilation instructions: run "make" to produce an executable "main" ***** USAGE ***** The program takes two input images, produce an optical flow as output, and take some parameters. The meaning of the parameters is thoroughly discussed on the accompanying IPOL article. Run: ./main nimages I1...In or ./main I1 I2 processors alpha gamma nscales zoom_factor TOL inner_iter outer_iter dir verbose where: nimages: number of input image I1...In: input images (must be nimages) processors: number of processors to run the method alpha: weight of the smoothing term gamma: weight of the gradient constancy term nscales: desired number of scales zoom_factor: downsampling factor TOL: stopping criterion threshold for the numerical scheme inner_iter: number of inner iterations in the numerical scheme outer_iter: number of outer iterations in the numerical scheme dir: output dir to save the optical flows verbose: 0 or 1, for quiet or verbose behaviour Parameters can be ommited starting from the end of the list, and they will be assigned reasonable default values. Examples: ./main 15 images/frame*.png ./main 15 images/frame*.png 0 93 15 5 0.75 0.0001 1 15 ./ 1 If a parameter is given an invalid value it will take the default value. The output optical flows will be saved in the current directory with file names "flow00.uv, flow01.uv, flow02.uv, ..., flowMN.uv".