代码搜索:Gradient
找到约 2,951 项符合「Gradient」的源代码
代码结果 2,951
www.eeworm.com/read/464351/7164850
m p0309.m
[I,map]=imread('3-22.jpg');
imshow(I,map);
I=double(I);
[Gx,Gy]=gradient(I); % 计算梯度
G=sqrt(Gx.*Gx+Gy.*Gy); % 注意是矩阵点乘
J1=G;
figure,imshow(J1,map); % 第一种图像增强
J2=I;
www.eeworm.com/read/450826/7476355
asv bp1.asv
net=newff([-1 2; 0 5],[3,1],{'tansig','purelin'},'traingd');
net.trainParam.show = 50;
net.trainParam.lr = 0.05;
net.trainParam.epochs = 300;
net.trainParam.goal = 1e-5;
p = [-1 -1 2 2;0 5 0
www.eeworm.com/read/448535/7531368
m conjgrad2.m
function [x,X] = conjgrad2(x,grad,hess)
%
% Apply the conjugate gradient to minimize a function
%
% function [x,X] = conjgrad2(x,grad,hess)
%
% x = starting point
% grad = the gradient of the f
www.eeworm.com/read/442234/7656673
m ex234.m
%********************************************************
%程序:EX234.M
%功能:工作空间直接做图法使用实例
%********************************************************
[x,y,z]=peaks(30); %定义图形peaks
contour(x,y,z
www.eeworm.com/read/440480/7688837
m desccuboid_grad.m
% Cuboid descriptor based on histogrammed gradient.
%
% Adaptation of Lowe's SIFT descriptor for cuboids. Creates a descriptor for an cuboid
% that is fairly robust to small perturbations of the cubo
www.eeworm.com/read/435844/7782946
m exm044_3.m
%exm044_3.m
F=[1,2,3;4,5,6;7,8,9]
Dx=diff(F) %相邻行差分
Dx_2=diff(F,1,2) %相邻列差分。第三输入宗量2表示"列"差分。
[FX,FY]=gradient(F) %数据点步长默认为1
[FX_2,FY_2]=gradient(F,0.5) %数据点步长为0.5
www.eeworm.com/read/435615/7789100
c dogleg_.c
/* dogleg.f -- translated by f2c (version 20020621).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
#include
#include "minpack.h"
#define min(
www.eeworm.com/read/435615/7789104
c dogleg.c
/* dogleg.f -- translated by f2c (version 20020621).
You must link the resulting object file with the libraries:
-lf2c -lm (in that order)
*/
#include
#include "cminpack.h"
#define min
www.eeworm.com/read/240795/13197359
m p0309.m
[I,map]=imread('3-22.jpg');
imshow(I,map);
I=double(I);
[Gx,Gy]=gradient(I); % 计算梯度
G=sqrt(Gx.*Gx+Gy.*Gy); % 注意是矩阵点乘
J1=G;
figure,imshow(J1,map); % 第一种图像增强
J2=I;
www.eeworm.com/read/323831/13314305
h cqetraces.h
// Copyright (C) 2003
// Gerhard Neumann (gerhard@igi.tu-graz.ac.at)
//
// This file is part of RL Toolbox.
// http://www.igi.tugraz.at/ril_toolbox
//
// All rights reserved.