带有CRF的OpenCV v3.1.0

Question

我正在构建CRFasRNN，它本身是基于caffe的)，它将openCV升级到3.1.0版本(我认为前一个版本是2.4 )。我总是犯这样的错误

io.cpp:(.text+0x11f8): undefined reference to `cv::imdecode(cv::_InputArray const&, int)'

在编译过程中，特别是在编译过程中。上一次我安装它时，没有发生这种情况。我构建了caffe和pycaffe (版本1.0.0)。没有太多的复杂，但crf所需要的显然是opencv 3.1.0的一个问题。仅为crf安装pycaffe也不起作用。所有通向库的途径似乎都很好，我不知道我做错了什么。

我尝试使用opencv的依赖项解决一些问题，但是我一直收到这样的消息：

The following packages have unmet dependencies.
 libopencv-dev : Depends: libopencv-objdetect-dev (= 2.3.1-7) but it is not going to be installed
                 Depends: libopencv-highgui-dev (= 2.3.1-7) but it is not going to be installed
                 Depends: libopencv-calib3d-dev (= 2.3.1-7) but it is not going to be installed
                 Depends: libopencv-features2d-dev (= 2.3.1-7) but it is not going to be installed
                 Depends: libopencv-legacy-dev (= 2.3.1-7) but it is not going to be installed
                 Depends: libopencv-contrib-dev (= 2.3.1-7) but it is not going to be installed

仅OpenCV就能正常工作。在安装之前，我没有遇到任何问题。

有什么建议吗？

Answer 1

好的，我通过将Caffe安装中的Makefile中的代码复制到Makefile进行crfrnn来解决这个问题。我所说的“代码”是指与opencv相关的比特。除了OPENCV_VERSION := 3在Makefile.config之外，我还添加了

USE_OPENCV ?= 1

ifeq ($(USE_OPENCV), 1)
        LIBRARIES += opencv_core opencv_highgui opencv_imgproc

        ifeq ($(OPENCV_VERSION), 3)
                LIBRARIES += opencv_imgcodecs
        endif
endif

# OpenCV
ifeq ($(USE_OPENCV), 1)
        COMMON_FLAGS += -DUSE_OPENCV
endif

它起作用了！