Rank: 4207 based on 11 downloads (last 30 days) and 2 files submitted

James Whidborne

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Company/University: Cranfield University

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Professional Interests:: Control systems, flight dynamics

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Files Posted by James					View all 1 - 2 of 2
Updated		File	Tags	Downloads (last 30 days)	Comments	Rating
01 May 2013		System L1-norm Calculate L1-norm of impulse response of continuous-time SISO LTI system Author: James Whidborne	control design, norm, l1norm, linear systems	4	0
29 May 2009		LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	robust control, lsdp, hinfinity	7	3	5.0 5.0 \| 4 ratings

Comments and Ratings by James		1 - 1 of 1
Updated	File	Comments	Rating
01 May 2013	QCAT Quadratic Programming Control Allocation Toolbox Author: Ola Harkegard

Comments and Ratings on James' Files			View all 1 - 4 of 4
Updated	File	Comment by	Comments	Rating
23 Apr 2008	LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	Ahmad mIAN, Ashfaq	EXCELLENT work
29 Aug 2005	LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	Bandean, Levente	Wery good for MIMO systems...
04 Jan 2005	LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	Strauch, Hans	Very usefull tool because it allows a very quick 'first shot' design at MIMO problems. The Glover/MacFarlane procedure is allways a good starting point, because it provides you, with very little effort, with a MIMO controller, which then may serve as a good starting point for developing a full blown operational controller. One suggestion for improvement: I added into my copy of the S/w the option for the non-optimal solution, which will results in a proper transfer function.
28 Feb 2004	LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	Govind Rao, vikas

Top Tags Applied by James	1 - 5 of 12
aerospace, boeing 747, control design, hinfinity, l1norm

Files Tagged by James					View all 1 - 5 of 6
Updated		File	Tags	Downloads (last 30 days)	Comments	Rating
01 May 2013		System L1-norm Calculate L1-norm of impulse response of continuous-time SISO LTI system Author: James Whidborne	control design, norm, l1norm, linear systems	4	0
27 Feb 2013		OPTRAGEN Optragen is a parser which translates optimal control problems to nonlinear programming problems. Author: Raktim Bhattacharya	motion planning, optimal control, optimization	23	0
24 Apr 2012		Demo: Finding an Optimal Path Using MATLAB and Optimization Toolbox Solve the path planning problem of going through a vector field of wind in the least possible time. Author: Teja Muppirala	path planning, flight path, gui, global optimization, optimization, vector fields	35	0	5.0 5.0 \| 2 ratings
18 Jun 2009		Airlib The Aircraft Library Author: Giampiero Campa	aerospace, boeing 747, aerodef, flight, aerodynamics, aircraft	32	5	4.0 4.0 \| 5 ratings
29 May 2009		LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	robust control, lsdp, hinfinity	7	3	5.0 5.0 \| 4 ratings

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Type	Description
File	LSDPTOOL
File	Histograms of Oriented Gradients
File	OPTRAGEN
File	System L1-norm

Files Matching James' Watch List					View all 1 - 4 of 4
Updated		File	Tags	Downloads (last 30 days)	Comments	Rating
01 May 2013		System L1-norm Calculate L1-norm of impulse response of continuous-time SISO LTI system Author: James Whidborne	control design, norm, l1norm, linear systems	4	0
27 Feb 2013		OPTRAGEN Optragen is a parser which translates optimal control problems to nonlinear programming problems. Author: Raktim Bhattacharya	motion planning, optimal control, optimization	23	0
15 Aug 2012		Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005). Author: Leo	gradients, histogram of oriented..., histograms, computer vision, object detection, image processing	223	34	4.8 4.8 \| 5 ratings
29 May 2009		LSDPTOOL A graphical user interface for robust control design using McFarlane & Glovers's LSDP Author: James Whidborne	robust control, lsdp, hinfinity	7	3	5.0 5.0 \| 4 ratings

Comments and Ratings Matching James' Watch List			1-5 of 40
Date	File	Comment by	Comments	Rating
19 Mar 2013	Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005).	victorp	Leo, thanks lot!	Comment only
18 Mar 2013	Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005).	Leo	Hi Victor, It is a bit difficult to comment on the VL code as it isnt mine, but I think the difference comes from how the normalization of the cells on the boundary is treated. The cells on the left and bottom boundary only belong to two blocks (or in some cases one). For example there is no block starting at a cell on the left boundary and extending to the left as that would take it outside the image. Thus a 256x256 image only has 63*63 blocks of size 2x2. If I understand the VL code correctly ,hog.c line 927 and onward, it assumes that every cell belongs to 4 blocks. For the case of boudary cells, where this assumption does not hold, certain block normalization schemes are simply repeated to make up the four blocks, see lines 932-935. So if I am correct, for boundary cells, there should be repetitions in the final descriptor of the VL code. Though obviously you shouldnt cite me on this :) Hope this helps. Leo	Comment only
17 Mar 2013	Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005).	victorp	Hi Leo, i'm trying to use your code. For an image of size 256x256, with default parameters i'm obtaining a vector of size - 142884 (636394). However, using the vl_hog function (from VLFeat.org) with the same parameters im getting a vector of size-147456 (646494). Could you clarify this? Furthermore, could you tell me for example how to fold the output vector back (as 3D) in case of signed case. Thanks, Best regards, V.	4
06 Mar 2013	Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005).	Bhagyalekshmi	how to write it in matlab plz help to run the code in matlab	Comment only
03 Mar 2013	Histograms of Oriented Gradients mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005).	Gaurav	Hi Leo..do u have MATLAB code for HOG descriptor??	Comment only