使用没有实体但是UTF-8的ImageMagick提取IPTC [英] Extract IPTC using ImageMagick without Entities but UTF-8

问题描述

我有一个包含ITPC数据的图像，并使用以下命令将IPTC提取为文本数据：

I have an image containing ITPC data and use the following command to extract the IPTC as textual data:

convert image.jpg IPTCTEXT:iptc.txt

问题是这似乎是使用特殊字符的实体：

The problem is that this seems to be using entities for "special characters":

2#120#Caption="Beschreibung für den Import aus IPTC"

实际上它应该是für。但不是获得正确的实体&＃252;对于ü字符，我得到两个实体（可能两个字节的UTF-8编码字符都被转换为entites分隔）。这两个entites我无法正确解析。

Actually it should be "für" here. But instead of getting the correct entity ü for the "ü" character i get two entities (probably both bytes of the UTF-8 encoded character got transformed to entites separated). And these two entites i cannot parse correctly.

有没有办法获得正确的实体或禁用完全返回UTF-8字符的实体？

Is there any way to get the correct entity or disable the entities completely returning UTF-8 characters?

编辑：
我尝试使用Java中的StringEscapeUtils.unescapeXml解析实体但我得到两个字符（¼）而不是ü，因为两个实体都是非转义分开的。

I tried parsing the entities using StringEscapeUtils.unescapeXml in Java but i get two characters ("ü") instead of the "ü" as both entities are unescaped separated.

Edit2：
这里的示例图片： http://fs1.directupload.net/images/150615/5eiv6wwf.jpg

推荐答案

最可靠的元数据包是IMHO exiv2（ http://exiv2.org/ ;适用于所有Linux发行版，Windows和不确定Mac二进制文件。）

The most reliable metadata package is IMHO exiv2 (http://exiv2.org/; available in all Linux distros, Windows, and not sure about Mac binaries).

请参阅 http ：//paste.fedoraproject.org/232538/34459066/ 获得结果。 ImageMagick用于元数据目的并不是那么好，我担心。

See http://paste.fedoraproject.org/232538/34459066/ for results. ImageMagick is for metadata purposes not that great, I am afraid.

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