Sprockets::Rails::Helper::AssetNotFound in Articles#indexが解決できない件

RubyonRailsでCarrierWaveとFFmpegを使って動画をアップロードするプログラムを組んでいるのですがSprockets::Rails::Helper::AssetNotFound in Articles#indexが発生しています。imageフォルダに'apple-touch-icon-144x144-precomposed.png'を格納しているのですが、エラーが解消されません。お手数ですが、ご教授を御願い致します。

ruby
1--application.html.erb--
2<!DOCTYPE html>
3<html lang="en">
4  <head>
5    <meta charset="utf-8">
6    <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
7    <meta name="viewport" content="width=device-width, initial-scale=1.0">
8    <title><%= content_for?(:title) ? yield(:title) : "CarrierwaveFfmpegSample" %></title>
9    <%= csrf_meta_tags %>
10
11    <!-- Le HTML5 shim, for IE6-8 support of HTML elements -->
12    <!--[if lt IE 9]>
13      <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.6.1/html5shiv.js" type="text/javascript"></script>
14    <![endif]-->
15
16    <%= stylesheet_link_tag "application", :media => "all" %>
17
18    <!-- For third-generation iPad with high-resolution Retina display: -->
19    <!-- Size should be 144 x 144 pixels -->
20    <%= favicon_link_tag('apple-touch-icon-114x114-precomposed.png',{:rel => 'apple-touch-icon',:sizes => '144x144',:type => 'image/png'}) %>
21    <!-- For iPhone with high-resolution Retina display: -->
22    <!-- Size should be 114 x 114 pixels -->
23    <%= favicon_link_tag('apple-touch-icon-114x114-precomposed.png',{:rel => 'apple-touch-icon',:sizes => '114x114',:type => 'image/png'}) %>
24
25    <!-- For first- and second-generation iPad: -->
26    <!-- Size should be 72 x 72 pixels -->
27    <%= favicon_link_tag('apple-touch-icon-72x72-precomposed.png',{:rel => 'apple-touch-icon',:sizes => '72x72',:type => 'image/png'}) %>
28
29    <!-- For non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
30    <!-- Size should be 57 x 57 pixels -->
31    <%= favicon_link_tag('apple-icon-precomposed.png',{:rel => 'apple-touch-icon',:sizes => '57x57',:type => 'image/png'}) %>
32
33    <!-- For all other devices -->
34    <!-- Size should be 32 x 32 pixels -->
35    <%= favicon_link_tag('favicon.ico') %>
36
37    <%= javascript_include_tag "application" %>
38  </head>
39  <body>
40
41    <div class="navbar navbar-fixed-top">
42      <div class="navbar-inner">
43        <div class="container">
44          <a class="btn btn-navbar" data-target=".nav-collapse" data-toggle="collapse">
45            <span class="icon-bar"></span>
46            <span class="icon-bar"></span>
47            <span class="icon-bar"></span>
48          </a>
49          <a class="brand" href="#">CarrierwaveFfmpegSample</a>
50          <div class="container nav-collapse">
51            <ul class="nav">
52              <li><%= link_to "Link1", "/path1"  %></li>
53              <li><%= link_to "Link2", "/path2"  %></li>
54              <li><%= link_to "Link3", "/path3"  %></li>
55            </ul>
56          </div><!--/.nav-collapse -->
57        </div>
58      </div>
59    </div>
60
61    <div class="container">
62        <div class="row">
63          <div class="span9">
64            <%= bootstrap_flash %>
65            <%= yield %>
66          </div>
67        </div><!--/row-->
68
69      <footer>
70        <p>&copy; Company 2014</p>
71      </footer>
72
73    </div> <!-- /container -->
74
75  </body>
76</html>
77