關於保存圖檔的方式 - 桌布

By Charlotte
at 2008-01-11T13:58
at 2008-01-11T13:58
Table of Contents
這問題不知道適不適合在這裡問
我上多媒體課時,聽老師說
像JPEG這種破壞性壓縮的圖檔
多次的開啟檔案會造成圖片愈來愈模糊
但我覺得只要沒有做儲存動作
應該不會使原有的圖檔改變
我在網路上搜索資料都沒有看到老師的說法
所以想請問有沒有人可以解答我的疑惑
--------------------次要內容分隔線----------------------------
個人測試結果:
一張3960*5770的圖片
JPEG -> 1.93MB
轉成同size的BMP -> 65.3MB
我的圖檔以往都是用JPEG儲存,總共有8G多
要是都轉成BMP........汗
--
我上多媒體課時,聽老師說
像JPEG這種破壞性壓縮的圖檔
多次的開啟檔案會造成圖片愈來愈模糊
但我覺得只要沒有做儲存動作
應該不會使原有的圖檔改變
我在網路上搜索資料都沒有看到老師的說法
所以想請問有沒有人可以解答我的疑惑
--------------------次要內容分隔線----------------------------
個人測試結果:
一張3960*5770的圖片
JPEG -> 1.93MB
轉成同size的BMP -> 65.3MB
我的圖檔以往都是用JPEG儲存,總共有8G多
要是都轉成BMP........汗
--
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桌布
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