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旧 Nov 23rd, 2007, 12:33     #1
b777lr
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默认

连谣言都是假的,这年头。。。

很难说那照片是假的,当然没有见到真老虎之前,总是有人质疑的。
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旧 Nov 23rd, 2007, 13:02     #2
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默认

从我去年拍野熊的经验看,那些照片不像是造假,完全是一个style。

没有亲身体验的人不知道的,那种场合很难拍出完美的符合逻辑的东西来。对焦不准,光线不对。。。,照片出来和拍的事后的想象完全不一样。
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旧 Nov 23rd, 2007, 16:23     #3
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作者: calgary51888 查看帖子
你是拍圈起来的野熊吧?
不是哦,是野外地,最近就几米远,还差点被熊冲过来给。。。

照出来的就和老虎像那个样一样,模糊不准,光线也不对,所以不敢说老虎的照片是假的
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旧 Nov 23rd, 2007, 16:30     #4
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默认

我不想讨论哪些照片的具体细节,只是说那些画面,布局,没有和危险动物面对面打过交道的,是造不出来的。

真还就是那个样子。
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旧 Nov 23rd, 2007, 17:01     #5
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默认

去年俺上的帖子,注意那两张还是最好最清楚的。还有好多张,就和老虎照片一样,小而且不清楚,对焦光线看着都不对头。

而且照片必须要做亮度调整,否则根本无法看,在密林里照出来的其实非常暗,并且不敢用闪光灯(用了大概也没用)。

http://www.chinasmile.net/forums/sho...581&highlight=
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旧 Nov 23rd, 2007, 20:37     #6
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默认

动物并不是你想象的那样,见人就冲过来。象上次我们碰到的熊(2只),是在附近转
了半天的,最近就在离我们4、5米的地方呆着。早就发现我们了,但并没有冲过来,
差不多有半个小时,一点点向我们挪地方,最后发现有危险,其间很多人在用闪光
灯照。

在密林里,发现用P&S相机,基本是无法照出好象的。树叶远近都有,聚不了焦,照
出来你要得焦点都是模糊的;另外树林里光线及其复杂,照片颜色亮度会出奇怪的
效果。象我照片里的熊,是同一只,但照出来的颜色竟然不一样,第二张成了花熊。
所以,那种场面一定要专业相机,而且是要带长焦的。

我怀疑周农民有这样的知识,能伪造出如此的画面来。就因为我是照过的,而且用
的是同样的P&S相机,所以知道那样的效果其实反到是对的。
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旧 Nov 23rd, 2007, 20:50     #7
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默认

从照片角度来说,我看不出来周农民的有什么不对。反正我照的几十长,全都是那个
样子的,没一张是真对准焦的,而且颜色也是挺奇怪。

他要能造假造出那种效果,那我到是要真佩服了。
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旧 Dec 2nd, 2007, 20:04     #8
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默认

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作者: millermin 查看帖子
你也来学学别人怎么分析。

http://club.backchina.com/main/viewt...extra=page%3D1
我转这个比你还早,看本人怎么说地
http://www.chinasmile.net/forums/sho...2&postcount=33

事实证明,真正的摄影专家,是不认为照片有问题的,还“40幅影像是具有一定摄影
经验的人拍摄或者指导拍摄”

有疑问的并不是照片本身
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旧 Dec 3rd, 2007, 09:41     #9
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默认

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作者: 天涯的风 查看帖子
照片没问题,有问题的是照片里面的老虎.
从那么多不同角度拍摄出来的老虎都是一个样子,只能说明这是一个平面2维虎.
这就是我已开始说的问题,很多人上来就说是假照片,实际上照片是真的,就是那个环境里拍出来的。

是否是道具,这个现在不好说。我承认这里面有两大疑问,一是老虎“好像“不动,二是很像那个年画,但这是否就构成“假老虎“的充分条件,无法下这个结论。反过来说,就是照片拍得没有漏洞,你能否就说那是真老虎呢?专业道具也可以作出那个效果的。

总之,老虎具体如何,那个距离我们太远,不想涉及。我想说的就是谈论那个照片本身,现在证明俺讲的是对的。
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旧 Jan 29th, 2008, 12:20     #10
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作者: killer2004 查看帖子
如果你真的认为照片没有问题,不是PS过,那么这个问题基本可以结束。还记得有几个领头指责老虎为假的无忌网友,他们在讨论老虎眼睛曲线的时候,不能自圆其说,不得不说PS可以做到。

现在华南虎依然真假难分,无忌既然当时可以关闭,现在也还可以打开,现在无忌迟迟不讨论这个问题,有些东西很值得玩味呀。

...
俺并没有下真假的结论,实在是不好说。但如果有人是因为照片是个农民搞出来的,所以就是假的,那真的就是大错特措了。至少现在中国摄影家协会的专家,没有官方说那是假照片。

我们再等等看吧,我的看法是专家们看不出照片有什么破绽,但多数人又认为那是假的,所以迟迟不发话。

以上只是说照片,不是说老虎,照片真假和老虎真假,又是另一个话题。
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旧 Jan 29th, 2008, 12:46     #11
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默认

俺查了一下,最近的有关周老虎的报道:

专家集体沉默对待华南虎炒作
http://finance.jrj.com.cn/news/2008-...003242279.html

我看这个报道也挺好笑:

李昌钰等并无说那是假的,只是说照片里老虎“不动“可疑,这个报道也是拉大旗做虎皮,原报道我也看过,现在这么写可笑

《科技导报》是个科普刊物,我在国内就看。这次写新文章的好像都不是摄影专家,是国防科大的。论据我不太认可,因为虎如果有,距离也是很远,焦距肯定是无穷大,这时候用景深来判断虎长,是否还有效?那么我们纯粹用月球照片的景深,就可以推出其上山峰的高低,好像不大可能。

注意,那篇文章,是完全假定照片是真的条件下,做结论的。好像他们也兆不出是假照片的证据。

以上是我的存疑,还是想等摄影家协会的官方判断。
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旧 Jan 29th, 2008, 12:56     #12
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默认

http://politics.people.com.cn/GB/80291/6805191.html

你看我们现在有些人,急得要命,非要官方现在快下结论。问题是“官方“下了结论,我就信么?呵呵

现在全民声讨,官方不动。如果很容易就照出破绽,那么官方为何不动?顺应民情,一呼百应,多好的宣传机会呀。

我的看法,恰恰是做假的证据,真的很难找。网上的说法,色调啊,线条啊,几何啊,其实都挺外行的。你们可以去看美国阿波罗的照片,有相似破绽的地方很多的,政府如此推论,将来可能闹笑话。

我看还是等等好,假的真不了,真的假不成,官方的话就是真的,最后的结论么?
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旧 Jan 29th, 2008, 13:22     #13
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默认

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作者: 500miles 查看帖子
其实在网上的讨论中很少有人怀疑照片本身的真假,我也不相信那些照片是PS的,但是我也从来没相信照片拍的是只活老虎。
你老兄如果承认照片是真的,那么我劝你,先不要下虎是假的结论。

为什么?因为现在唯一的否定依据,就是几何数据有矛盾。但是,平面照片,无法传递立体信息,是摄影的常识。否则嫦娥登月,还吹什么是第一次立体摄影?否则还要什么激光照片?

平面照片能看出立体信息,是要在被摄物和镜头很近的情况下才有,不能把它推到远距离,否则笑话会很多的。你连自己的眼睛,都不能太信的,因为距离远了,眼睛也丧失了分辨立体的功能。

老兄还是等等吧。
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旧 Jan 29th, 2008, 14:36     #14
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默认

呵呵,我们还是等吧,确切地说,你也不是老虎,安知虎之所想?

俺最想知道的,还是周老虎的“作案经过“,而不是简单的一句真假。比如,如果照片是假的,那他是怎么ps的,他好像没那个本事。如果老虎是假的,那假虎是怎么搞出来的?

你看上面的报道,专家论证:“从虎头到虎臀最多0.1米“

这帮人怎么那么SB呢?周老虎用的假老虎,原来只是个0.1米的东西?是周老虎弱智,还是他们弱智?这不是自己打自己结论的嘴巴么?
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旧 Jan 29th, 2008, 15:08     #15
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作者: 500miles 查看帖子
说0.1米的肯定是白痴了,怎么也有一张A4纸那么大
OK, 我认定你说的A4纸,首先这就把那些“专家“的结论推翻了,如果是美国法庭,他们已经输了。

那么我再问,你把这A4纸,拿到10多米外拍,能出那样的效果吗?我说你拍不出来,因为树叶就要让你露馅了,树叶大小不配。这很快就能看出来,但实际上他们并没找出这样的破绽,没人说树叶大小和距离不配。

实际上几十万人在网上讲假照片,但没一个人真正做一边。就是加拿大,条件多好啊,也没人做一个拍一遍,看能否出那个效果,做起来有多难?对一个农民他怎么做?

如果你平面照片能搞到0.1米那么精确,那我也给你一张,你能否说出里面的景物大小距离多少?精确到0.1米?你根本就说不出来的,明显的这么论证你就输了吗。

这个事典型说明了中国人动嘴不动手的作风,千千万万的笨蛋。
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旧 Jan 29th, 2008, 15:11     #16
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作者: sofa 查看帖子
相机拍出来的都是平面的,没有立体的。所谓立体相机就是通过不同角度拍摄的几张平面图进行立体合成,采用的就是那些‘专家’提到的技术。

周老虎的图的确有几张不同角度的,根据老虎两只眼睛等器官的常规间距(常识估计数据),几张照片里拍摄得到的不同间距,可以推算拍摄角度的变化,然后再采用各照片拍到的头和屁...
呵呵,你那是先假定那是平面的景物,才能推得出来是0.1米。

你以为我一点不懂?没有这个假定,你是推不出来的。
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旧 Jan 29th, 2008, 15:20     #17
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错,假定是立体的,才能得到0.1米。即使是纸也不可能是完全的平面,总会有折皱。
如果假定是平面的,还算什么纵深,直接写0就是了!
立体的东西,你怎么知道它的拍摄角?照片是看不出来的,那个估计的精确度,会差十万八千里,没用

总的来说,平面的东西,没法分析立体信息,因为里面就没有,否则不叫立体照片了。拍摄角和位置变化,或者是被派物体,两者必须要知道一个,才能得到有效计算,两个都不知道,和瞎猜没多大区别。
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旧 Jan 29th, 2008, 15:22     #18
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去我在37贴里给的链接里找吧,照片、分析什么都有,那些分析才是专业分析,根据照片的焦距推算的大小和距离
就是那些“分析“,才会得到老虎头尾0.1米的可笑结果,自己打自己嘴巴
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旧 Jan 29th, 2008, 15:29     #19
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那段时间我经常去看,没有人讨论那个纸板多大,都是按照老虎的真实尺寸和焦距计算距离,讨论纸板大小没有意义。说a4尺寸,还是在关克后来回去复制现场之后的事,他自己弄了个a4纸放在比“老虎”远的位置
那个关克的照片呢?有吗,看他和周老虎谁高明?

“纸板“大小非常有用,因为它关系到“造假“的困难程度,可以做估计。现在居然连“纸板“大小都算不出来,还说人家是假的?哎
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旧 Jan 29th, 2008, 15:31     #20
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既然你已经知道这点,再研究研究,三维物体的若干点和直线在N个不同平面都投影过了,而且若干点的间距是已知的(两眼/两耳等间距是常识性的),什么角度不能算出来?这个是几何数学,不是瞎猜。

再提醒一下,0.1m是纵深距离,不是水平距离,更不是头到屁股的直线距离。
那就是我说的,假定是平面,然后算出来的。

其实这是没法算得,你自己的变化位置不明,对象的具体尺寸不明,不做假定没法算
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