opencv几何Python 的相关内容

文章 2022-08-30 来自：开发者社区

opencv几何变换(python)

几何变换是指将一幅图像映射到另外一幅图像内的操作。缩放使用函数cv2.resize()实现对图像的缩放dst = cv2.resize( src, dsize[, fx[, fy[, interpolation]]] )dst代表输出的目标图像，该图像的类型与src相同，其大小为dsize（当该值非零时），或者可以通过src.size()、fx、fy计算得到。src代表需要缩放的原始图像dsiz....

文章 2022-04-20 来自：开发者社区

OpenCV图像几何变换专题(缩放、翻转、仿射变换及透视)【python-Open_CV系列（五）】（上）

文章目录准备图片1. 缩放 cv2.resize()方法2. 翻转 cv2.flip()方法3. 仿射变换 warpAffine()方法3.1 平移3.2 旋转3.3 倾斜4. 透视准备图片选择一张shape为(500,500,3)的梵高的《星月夜》以便示例。1. 缩放 cv2.resize()方法cv2.resize(src, dsize, dst=None, fx=None, fy=None....

文章 2022-04-20 来自：开发者社区

OpenCV图像几何变换专题(缩放、翻转、仿射变换及透视)【python-Open_CV系列（五）】（下）

3.1 平移以将《星月夜》向左平移50个像素，向下平移100个像素为例。则M数组应写为[[1, 0, 50], [0, 1, 100]]：import cv2 import numpy as np img = cv2.imread("The_Starry_Night.jpg") rows = len(img) cols = len(img[0]) M = np.float32([[1, 0, 5....

共有3条

< 1 >

跳转至： GO

更新时间 2024-03-23 13:40:56

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

Python opencv相关内容

Python更多opencv相关

Python您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","link":"https://www.aliyun.com/product/bigdata/odps/maxframe","icon":"odps","iconImg":"https://img.alicdn.com/imgextra/i1/O1CN01VpOKfU1tdExrKxFwN_!!6000000005924-2-tps-64-64.png","contentLink":"https://www.aliyun.com/product/bigdata/odps/maxframe","title":"分布式计算框架 MaxCompute MaxFrame","des":"MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。","link1":"https://www.aliyun.com/product/bigdata/odps/maxframe","btn1":"产品详情","link2":"https://common-buy.aliyun.com/?spm=5176.29055221.J_2883378880.2.30e127f9beHKup&commodityCode=odps_cu_dp_cn","btn2":"免费资源","btn3":"产品文档","link3":"https://help.aliyun.com/zh/maxcompute/user-guide/preparations-1/","infoGroup":[{"infoName":"相关产品","infoContent":{"firstContentName":"MaxCompute","firstContentLink":"https://www.aliyun.com/product/odps"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"网络智能服务 NIS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"icon","link":"https://www.aliyun.com/product/bigdata/odps/maxframe","icon":"odps","iconImg":"https://img.alicdn.com/imgextra/i1/O1CN01VpOKfU1tdExrKxFwN_!!6000000005924-2-tps-64-64.png","contentLink":"https://www.aliyun.com/product/bigdata/odps/maxframe","title":"分布式计算框架 MaxCompute MaxFrame","des":"MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。","link1":"https://www.aliyun.com/product/bigdata/odps/maxframe","btn1":"产品详情","link2":"https://common-buy.aliyun.com/?spm=5176.29055221.J_2883378880.2.30e127f9beHKup&commodityCode=odps_cu_dp_cn","btn2":"免费资源","btn3":"产品文档","link3":"https://help.aliyun.com/zh/maxcompute/user-guide/preparations-1/","infoGroup":[{"infoName":"相关产品","infoContent":{"firstContentName":"MaxCompute","firstContentLink":"https://www.aliyun.com/product/odps"}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"网络智能服务 NIS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}

分布式计算框架 MaxCompute MaxFrame

MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。

产品详情

免费资源

产品文档