我还是OpenCV的初学者.
目前,我正在尝试使用OpenCV检测下面链接中图像中的特定形状.

我已经阅读了许多关于使用OpenCV检测形状的博客和文章,但我没有发现任何与我正在处理的内容有关的内容.
另外,我不能使用像cvHistogram这样的方法,因为我不想在两个几乎相同的图片中找到匹配,而是想要检测特定的形状,而不是像矩形,圆形等一些几何形状.
你知道办法吗?
先感谢您.
在尝试构建OpenJDK时,我在执行make all以下操作时遇到一系列错误:
/usr/bin/make: invalid option -- '8'
/usr/bin/make: invalid option -- '/'
/usr/bin/make: invalid option -- 'a'
/usr/bin/make: invalid option -- '/'
/usr/bin/make: invalid option -- 'c'
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跑步make all LOG=trace JOBS=1给
+ /usr/bin/make VERBOSE= LOG_LEVEL=trace -R -I /home/ft/openjdk8/make/common -f adlc.make -r -rRw -I/home/ft/open -j1 -dk8/make/common -I/home/ft/openjdk8/make/common -I/home/ft/openjdk8/make/common -I/home/ft/openjdk8/make/common -I/home/ft/openjdk8/make/common
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作为不好的论点.相关部分是-I/home/ft/open -j1 -dk8/make/common.grep -R 'I/home/ft/open -j1 -dk8/make/common'只出现在日志中../configure --enable-debug无论有没有这种情况.
编辑:搜索-ji,make/HotspotWrapper.gmk:@($(CD) $(HOTSPOT_TOPDIR)/make …
我使用 Spring Boot、Spring Security、Spring websockets、stomp 和 sockjs 开发了一个移动聊天应用程序。服务器运行在 8082 端口,客户端运行在 8100 端口。
我正在使用 Angular 和 sockjs 客户端发送请求。当我尝试连接到 STOMP 端点时,它在开发人员控制台(前端)和后端控制台处给出错误。下面是轨迹,
Opening Web Socket...
stomp.min.js (line 8)
GET http://localhost:8082/ws/info?t=1451547968350
200 OK
565ms
sockjs-1.0.1.js (line 1610)
Web Socket Opened...
stomp.min.js (line 8)
CONNECT
login:test
passcode:test
accept-version:1.1,1.0
heart-beat:10000,10000
**<<< ERROR message:Failed to send message to ExecutorSubscribableChannel[clientInboundChannel]; nested exception is org.springframework.security.access.AccessDeniedException\c Access is denied
content-length:0*
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2015-12-31 13:16:09.080 DEBUG 8116 --- [0.0-8082-exec-1] o.s.s.w.u.matcher.AntPathRequestMatcher : Checking match of request : '/ws/info'; against '/css/'
2015-12-31 13:16:09.081 …Run Code Online (Sandbox Code Playgroud) 当我在CI中运行测试时,出现以下错误:
ImportError while importing test module '/home/tests/test_process.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
...
.tox/py27/lib/python2.7/site-packages/matplotlib/pyplot.py:31: in <module>
import matplotlib.colorbar
.tox/py27/lib/python2.7/site-packages/matplotlib/colorbar.py:36: in <module>
import matplotlib.contour as contour
.tox/py27/lib/python2.7/site-packages/matplotlib/contour.py:14: in <module>
import matplotlib._contour as _contour
E ImportError: numpy.core.multiarray failed to import
----- Captured stderr -----
ImportError: No module named _multiarray_umath
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这里发生了什么?我没有对我的代码进行任何更改,但突然间我的构建开始失败.
当我修补这样的依赖项时:
\npackage.json:
"dependencies": \n "react-native-webview": "patch:react-native-webview@11.0.3#scripts/patches/react-native-webview+11.0.3.patch",\n ...\nRun Code Online (Sandbox Code Playgroud)\npatches/react-native-webview+11.0.3.patch:
diff --git a/apple/RNCWebView.m b/apple/RNCWebView.m\nindex ff9ff9e0..dfea91a8 100644\n--- a/apple/RNCWebView.m\n+++ b/apple/RNCWebView.m\n@@ -194,12 +194,18 @@ - (void)dealloc\n...\nRun Code Online (Sandbox Code Playgroud)\nyarn当我使用或在本地安装东西时,一切正常yarn install。补丁已应用,并且没有错误。
然而,当事情进入 CI 时,我收到如下错误:
\n**ERROR** Failed to apply patch for package react-native-webview at path\n \n node_modules/react-native-webview\n\n This error was caused because patch-package cannot apply the following patch file:\n\n patches/react-native-webview+11.0.3.patch\n\n Try removing node_modules and trying again. If that doesn\'t work, maybe there was\n an accidental change made …Run Code Online (Sandbox Code Playgroud) 我有一个不可变的结构,并希望保持不变,但也允许原理图var p2 = p1.v = 3.我认为以下可能有效,但似乎不是:
public struct Number {
readonly int n;
public int N {
get{ return n; }
set{ return new Number(value); }
}
public Number(int newN) {
n = newN;
}
}
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有没有办法去上班var p2 = p1.v = 3或var p2 = (p1.v = 3)上班?
我需要将Map传递给需要对象的某些代码。我怎么去
new Map([["a", 1], ["b", 2]])
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至
{a: 1, b: 2}
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?
我一直在使用GET /repos/:owner/:repo/stargazers端点,但我注意到它只提供 30 个观星者,这不足以满足我现在的目的。我已切换到搜索 API GET /search/repositories?q=:repo( items[0].stargazers_count),但如果有人创建 20 个同名存储库怎么办?我必须提出不止一个请求。有没有更好的办法?
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