feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake

1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试
2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程
3.重整权利声明文件，重整代码工程，确保最小化侵权风险

Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake
Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c

3rdparty/opencv-4.5.4/modules/imgproc/misc/objc/common/Moments.h

@@ -0,0 +1,68 @@
+//
+//  Moments.h
+//
+//  Created by Giles Payne on 2019/10/06.
+//
+
+#pragma once
+
+#ifdef __cplusplus
+#import "opencv2/core.hpp"
+#else
+#define CV_EXPORTS
+#endif
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+CV_EXPORTS @interface Moments : NSObject
+
+@property double m00;
+@property double m10;
+@property double m01;
+@property double m20;
+@property double m11;
+@property double m02;
+@property double m30;
+@property double m21;
+@property double m12;
+@property double m03;
+
+@property double mu20;
+@property double mu11;
+@property double mu02;
+@property double mu30;
+@property double mu21;
+@property double mu12;
+@property double mu03;
+
+@property double nu20;
+@property double nu11;
+@property double nu02;
+@property double nu30;
+@property double nu21;
+@property double nu12;
+@property double nu03;
+
+#ifdef __cplusplus
+@property(readonly) cv::Moments& nativeRef;
+#endif
+
+-(instancetype)initWithM00:(double)m00 m10:(double)m10 m01:(double)m01 m20:(double)m20 m11:(double)m11 m02:(double)m02 m30:(double)m30 m21:(double)m21 m12:(double)m12 m03:(double)m03;
+
+-(instancetype)init;
+
+-(instancetype)initWithVals:(NSArray<NSNumber*>*)vals;
+
+#ifdef __cplusplus
++(instancetype)fromNative:(cv::Moments&)moments;
+#endif
+
+-(void)set:(NSArray<NSNumber*>*)vals;
+-(void)completeState;
+-(NSString *)description;
+
+@end
+
+NS_ASSUME_NONNULL_END

3rdparty/opencv-4.5.4/modules/imgproc/misc/objc/common/Moments.mm

@@ -0,0 +1,304 @@
+//
+//  Moments.mm
+//
+//  Created by Giles Payne on 2019/10/09.
+//
+
+#import "Moments.h"
+
+@implementation Moments {
+    cv::Moments native;
+}
+
+-(cv::Moments&)nativeRef {
+    return native;
+}
+
+- (double)m00 {
+    return native.m00;
+}
+
+- (void)setM00:(double)val {
+    native.m00 = val;
+}
+
+- (double)m10 {
+    return native.m10;
+}
+
+- (void)setM10:(double)val {
+    native.m10 = val;
+}
+
+- (double)m01 {
+    return native.m01;
+}
+
+- (void)setM01:(double)val {
+    native.m01 = val;
+}
+
+- (double)m20 {
+    return native.m20;
+}
+
+- (void)setM20:(double)val {
+    native.m20 = val;
+}
+
+- (double)m11 {
+    return native.m11;
+}
+
+- (void)setM11:(double)val {
+    native.m11 = val;
+}
+
+- (double)m02 {
+    return native.m02;
+}
+
+- (void)setM02:(double)val {
+    native.m02 = val;
+}
+
+- (double)m30 {
+    return native.m30;
+}
+
+- (void)setM30:(double)val {
+    native.m30 = val;
+}
+
+- (double)m21 {
+    return native.m21;
+}
+
+- (void)setM21:(double)val {
+    native.m21 = val;
+}
+
+- (double)m12 {
+    return native.m12;
+}
+
+- (void)setM12:(double)val {
+    native.m12 = val;
+}
+
+- (double)m03 {
+    return native.m03;
+}
+
+- (void)setM03:(double)val {
+    native.m03 = val;
+}
+
+- (double)mu20 {
+    return native.mu20;
+}
+
+- (void)setMu20:(double)val {
+    native.mu20 = val;
+}
+
+- (double)mu11 {
+    return native.mu11;
+}
+
+- (void)setMu11:(double)val {
+    native.mu11 = val;
+}
+
+- (double)mu02 {
+    return native.mu02;
+}
+
+- (void)setMu02:(double)val {
+    native.mu02 = val;
+}
+
+- (double)mu30 {
+    return native.mu30;
+}
+
+- (void)setMu30:(double)val {
+    native.mu30 = val;
+}
+
+- (double)mu21 {
+    return native.mu21;
+}
+
+- (void)setMu21:(double)val {
+    native.mu21 = val;
+}
+- (double)mu12 {
+    return native.mu12;
+}
+
+- (void)setMu12:(double)val {
+    native.mu12 = val;
+}
+
+- (double)mu03 {
+    return native.mu03;
+}
+
+- (void)setMu03:(double)val {
+    native.mu03 = val;
+}
+
+- (double)nu20 {
+    return native.nu20;
+}
+
+- (void)setNu20:(double)val {
+    native.nu20 = val;
+}
+
+- (double)nu11 {
+    return native.nu11;
+}
+
+- (void)setNu11:(double)val {
+    native.nu11 = val;
+}
+
+- (double)nu02 {
+    return native.nu02;
+}
+
+- (void)setNu02:(double)val {
+    native.nu02 = val;
+}
+
+- (double)nu30 {
+    return native.nu30;
+}
+
+- (void)setNu30:(double)val {
+    native.nu30 = val;
+}
+
+- (double)nu21 {
+    return native.nu21;
+}
+
+- (void)setNu21:(double)val {
+    native.nu21 = val;
+}
+
+- (double)nu12 {
+    return native.nu12;
+}
+
+- (void)setNu12:(double)val {
+    native.nu12 = val;
+}
+
+- (double)nu03 {
+    return native.nu03;
+}
+
+- (void)setNu03:(double)val {
+    native.nu03 = val;
+}
+
+-(instancetype)initWithM00:(double)m00 m10:(double)m10 m01:(double)m01 m20:(double)m20 m11:(double)m11 m02:(double)m02 m30:(double)m30 m21:(double)m21 m12:(double)m12 m03:(double)m03 {
+    self = [super init];
+    if (self) {
+        self.m00 = m00;
+        self.m10 = m10;
+        self.m01 = m01;
+        self.m20 = m20;
+        self.m11 = m11;
+        self.m02 = m02;
+        self.m30 = m30;
+        self.m21 = m21;
+        self.m12 = m12;
+        self.m03 = m03;
+        [self completeState];
+    }
+    return self;
+}
+-(instancetype)init {
+    return [self initWithM00:0 m10:0 m01:0 m20:0 m11:0 m02:0 m30:0 m21:0 m12:0 m03:0];
+}
+
+-(instancetype)initWithVals:(NSArray<NSNumber*>*)vals {
+    self = [super init];
+    if (self) {
+        [self set:vals];
+    }
+    return self;
+}
+
++(instancetype)fromNative:(cv::Moments&)moments {
+    return [[Moments alloc] initWithM00:moments.m00 m10:moments.m10 m01:moments.m01 m20:moments.m20 m11:moments.m11 m02:moments.m02 m30:moments.m30 m21:moments.m21 m12:moments.m12 m03:moments.m03];
+}
+
+-(void)set:(NSArray<NSNumber*>*)vals {
+    self.m00 = (vals != nil && vals.count > 0) ? vals[0].doubleValue : 0;
+    self.m10 = (vals != nil && vals.count > 1) ? vals[1].doubleValue : 0;
+    self.m01 = (vals != nil && vals.count > 2) ? vals[2].doubleValue : 0;
+    self.m20 = (vals != nil && vals.count > 3) ? vals[3].doubleValue : 0;
+    self.m11 = (vals != nil && vals.count > 4) ? vals[4].doubleValue : 0;
+    self.m02 = (vals != nil && vals.count > 5) ? vals[5].doubleValue : 0;
+    self.m30 = (vals != nil && vals.count > 6) ? vals[6].doubleValue : 0;
+    self.m21 = (vals != nil && vals.count > 7) ? vals[7].doubleValue : 0;
+    self.m12 = (vals != nil && vals.count > 8) ? vals[8].doubleValue : 0;
+    self.m03 = (vals != nil && vals.count > 9) ? vals[9].doubleValue : 0;
+    [self completeState];
+}
+
+-(void)completeState {
+    double cx = 0, cy = 0;
+    double mu20, mu11, mu02;
+    double inv_m00 = 0.0;
+
+    if (abs(self.m00) > 0.00000001) {
+        inv_m00 = 1. / self.m00;
+        cx = self.m10 * inv_m00;
+        cy = self.m01 * inv_m00;
+    }
+
+    // mu20 = m20 - m10*cx
+    mu20 = self.m20 - self.m10 * cx;
+    // mu11 = m11 - m10*cy
+    mu11 = self.m11 - self.m10 * cy;
+    // mu02 = m02 - m01*cy
+    mu02 = self.m02 - self.m01 * cy;
+
+    self.mu20 = mu20;
+    self.mu11 = mu11;
+    self.mu02 = mu02;
+
+    // mu30 = m30 - cx*(3*mu20 + cx*m10)
+    self.mu30 = self.m30 - cx * (3 * mu20 + cx * self.m10);
+    mu11 += mu11;
+    // mu21 = m21 - cx*(2*mu11 + cx*m01) - cy*mu20
+    self.mu21 = self.m21 - cx * (mu11 + cx * self.m01) - cy * mu20;
+    // mu12 = m12 - cy*(2*mu11 + cy*m10) - cx*mu02
+    self.mu12 = self.m12 - cy * (mu11 + cy * self.m10) - cx * mu02;
+    // mu03 = m03 - cy*(3*mu02 + cy*m01)
+    self.mu03 = self.m03 - cy * (3 * mu02 + cy * self.m01);
+
+
+    double inv_sqrt_m00 = sqrt(abs(inv_m00));
+    double s2 = inv_m00*inv_m00, s3 = s2*inv_sqrt_m00;
+
+    self.nu20 = self.mu20*s2;
+    self.nu11 = self.mu11*s2;
+    self.nu02 = self.mu02*s2;
+    self.nu30 = self.mu30*s3;
+    self.nu21 = self.mu21*s3;
+    self.nu12 = self.mu12*s3;
+    self.nu03 = self.mu03*s3;
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"Moments [ \nm00=%lf, \nm10=%lf, m01=%lf, \nm20=%lf, m11=%lf, m02=%lf, \nm30=%lf, m21=%lf, m12=%lf, m03=%lf, \nmu20=%lf, mu11=%lf, mu02=%lf, \nmu30=%lf, mu21=%lf, mu12=%lf, mu03=%lf, \nnu20=%lf, nu11=%lf, nu02=%lf, \nnu30=%lf, nu21=%lf, nu12=%lf, nu03=%lf, \n]", self.m00, self.m10, self.m01, self.m20, self.m11, self.m02, self.m30, self.m21, self.m12, self.m03, self.mu20, self.mu11, self.mu02, self.mu30, self.mu21, self.mu12, self.mu03, self.nu20, self.nu11, self.nu02, self.nu30, self.nu21, self.nu12, self.nu03];
+}
+
+@end