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awesome scene textscene text recognition scene text spotter scene text detection Awesome Scene text IncepText: A New Inception-Text Module with Deformable PSROI Pooling for Multi-Oriented Scene ... 阅读全文
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2018-9-11未命名文件新建 模板 小书匠 预 测 10 实 1 True Positive (TP) False Negative (FN) 际 0 False Positive (FP) True Negative (TN) True Positive(真正, TP)：将正类预测为正类数.True Negative(真负 , TN)：将负类预测为负类数.Fal... 阅读全文
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1.7.1计算导数使用theano.tensor.grad() 函数计算梯度>>> import theano>>> import theano.tensor as T>>> from theano import pp>>> x = T.dscalar('x')>>> y = x ** 2>>> gy = T.grad(y, x)>>> pp(gy)'((fill((x ** TensorCons... 阅读全文
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theano 实例， 逻辑回归（logistic regression)# -*- coding: utf-8 -*-"""Created on Fri Jun 06 08:56:54 2014@author: Administrator"""import theanoimport numpy as npimport theano.tensor as Tdef logistic_regressio... 阅读全文
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# -*- coding: utf-8 -*-"""Created on Thu Jun 05 17:48:31 2014@author: Administrator"""import theanoimport numpy as npimport theano.tensor as Tfrom theano.sandbox.rng_mrg import MRG_RandomStreamsfrom t... 阅读全文
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使用共享变量# -*- coding: utf-8 -*-"""Created on Wed Jun 4 23:28:21 2014@author: wencc"""from theano import sharedfrom theano import functionimport theano.tensor as Tif __name__ == '__main__':state = shared... 阅读全文
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theano 入门教程1.3给一个参数设置默认值# -*- coding: utf-8 -*-"""Created on Wed Jun 4 23:22:17 2014@author: wencc"""import theano.tensor as Tfrom theano import functionfrom theano import Paramfrom theano import ppif... 阅读全文
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theano 入门教程1.1两个标量相加import theano.tensor as Tfrom theano import functionx = T.dscalar('x')y = T.dscalar('y')z = x + yf = function([x,y], z)f(2, 3)1.x = T.dscalar('x')y = T.dscalar('y')先定义两个符号x,y，代表你想用... 阅读全文
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theano入门教程1.21. 两个矩阵相加import theano.tensor as Tfrom theano import functionx = T.dmatrix('x')y = T.dmatrix('y')z = x + yf = function([x,y], z)f([2,3], [4,5])2 .logistic functionimport theano.tensor as ... 阅读全文
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1.对于有G个灰度级（一般是256）大小的M*N图像，创建一个长为G的数组H,并初始化为0.2.形成直方图：扫描每个像素，增加相应的H成员，当像素p具有亮度gp时，做 H[gp] = H[gp] + 13.形成累积直方图Hc： Hc[0] = H[0] Hc[p] = Hc[p-1]+Hc[p], p = 1, 2, ... G-14. 设置T[p] = round(Hc[p] * (G-1... 阅读全文