1 /*
2  * cv_image_process_helper.h - OpenCV image processing helpers functions
3  *
4  *  Copyright (c) 2016-2017 Intel Corporation
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *   http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  * Author: Andrey Parfenov <a1994ndrey@gmail.com>
19  * Author: Wind Yuan <feng.yuan@intel.com>
20  */
21 
22 #ifndef XCAM_CV_IMAGE_PROCESS_HELPER_H
23 #define XCAM_CV_IMAGE_PROCESS_HELPER_H
24 
25 #include <xcam_std.h>
26 #include <video_buffer.h>
27 #include <ocl/cv_base_class.h>
28 
29 namespace XCam {
30 
31 
32 class CVImageProcessHelper : public CVBaseClass
33 {
34 
35 public:
36     explicit CVImageProcessHelper ();
37 
38     void compute_dft (const cv::Mat &image, cv::Mat &result);
39     void compute_idft (cv::Mat *input, cv::Mat &result);
40     void apply_constraints (cv::Mat &image, float threshold_min_value = 0.0f, float threshold_max_value = 255.0f, float min_value = 0.0f, float max_value = 255.0f);
41     float get_snr (const cv::Mat &noisy, const cv::Mat &noiseless);
42     cv::Mat erosion (const cv::Mat &image, int erosion_size, int erosion_type);
43     void normalize_weights (cv::Mat &weights);
44 
45     XCAM_DEAD_COPY (CVImageProcessHelper);
46 };
47 
48 }
49 
50 #endif // XCAM_CV_IMAGE_PROCESS_HELPER_H
51