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image_transform's Introduction

Computer Vision Application -- Image Tranform

內容皆為手刻 Affine Transform(6DOF) 、 Prospective transform(8DOF),分別將圖片,以及影片貼上

Affine Transform(6DOF) Pic Vision

在背景圖選取三個點,將要貼過去的圖片,透過轉移矩陣轉過去。

  • 要貼過去的圖

  • 背景圖

結果圖如下


Affine Transform(6DOF) Video Vision

IMAGE ALT TEXT HERE

或是這裡有影片

Prospective transform(8DOF) Pic Vesion

IMAGE ALT TEXT HERE

或是這裡有影片

Prospective transform(8DOF) Video Vesion

IMAGE ALT TEXT HERE

或是這裡有影片

心得

蠻有難度的,尤其是 perspective transform 真的很難,上課聽我還是聽不太懂,最後上網找資料,找到一個清大開放式課程在講解怎麼做,目前知道怎麼寫,但對於 perspective transform 原始概念還是不太了解,好像是一個eight point algorithm 的東東,SVD拆一拆的後續就不太懂了,花很多時間在寫。

tags: computer vision algorithm

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