Merge pull request #2 from PaddlePaddle/develop

mergepaddleocr

deploy/hubserving/ocr_rec/module.py

+# -*- coding:utf-8 -*-
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import argparse
+import ast
+import copy
+import math
+import os
+import time
+
+from paddle.fluid.core import AnalysisConfig, create_paddle_predictor, PaddleTensor
+from paddlehub.common.logger import logger
+from paddlehub.module.module import moduleinfo, runnable, serving
+from PIL import Image
+import cv2
+import numpy as np
+import paddle.fluid as fluid
+import paddlehub as hub
+
+from tools.infer.utility import base64_to_cv2
+from tools.infer.predict_rec import TextRecognizer
+
+
+@moduleinfo(
+    name="ocr_rec",
+    version="1.0.0",
+    summary="ocr recognition service",
+    author="paddle-dev",
+    author_email="paddle-dev@baidu.com",
+    type="cv/text_recognition")
+class OCRRec(hub.Module):
+    def _initialize(self, use_gpu=False, enable_mkldnn=False):
+        """
+        initialize with the necessary elements
+        """
+        from ocr_rec.params import read_params
+        cfg = read_params()
+
+        cfg.use_gpu = use_gpu
+        if use_gpu:
+            try:
+                _places = os.environ["CUDA_VISIBLE_DEVICES"]
+                int(_places[0])
+                print("use gpu: ", use_gpu)
+                print("CUDA_VISIBLE_DEVICES: ", _places)
+                cfg.gpu_mem = 8000
+            except:
+                raise RuntimeError(
+                    "Environment Variable CUDA_VISIBLE_DEVICES is not set correctly. If you wanna use gpu, please set CUDA_VISIBLE_DEVICES via export CUDA_VISIBLE_DEVICES=cuda_device_id."
+                )
+        cfg.ir_optim = True
+        cfg.enable_mkldnn = enable_mkldnn
+
+        self.text_recognizer = TextRecognizer(cfg)
+
+    def read_images(self, paths=[]):
+        images = []
+        for img_path in paths:
+            assert os.path.isfile(
+                img_path), "The {} isn't a valid file.".format(img_path)
+            img = cv2.imread(img_path)
+            if img is None:
+                logger.info("error in loading image:{}".format(img_path))
+                continue
+            images.append(img)
+        return images
+
+    def predict(self,
+                images=[],
+                paths=[]):
+        """
+        Get the text box in the predicted images.
+        Args:
+            images (list(numpy.ndarray)): images data, shape of each is [H, W, C]. If images not paths
+            paths (list[str]): The paths of images. If paths not images
+        Returns:
+            res (list): The result of text detection box and save path of images.
+        """
+
+        if images != [] and isinstance(images, list) and paths == []:
+            predicted_data = images
+        elif images == [] and isinstance(paths, list) and paths != []:
+            predicted_data = self.read_images(paths)
+        else:
+            raise TypeError("The input data is inconsistent with expectations.")
+
+        assert predicted_data != [], "There is not any image to be predicted. Please check the input data."
+        
+        img_list = []
+        for img in predicted_data:
+            if img is None:
+                continue
+            img_list.append(img)
+            
+        rec_res_final = []
+        try:
+            rec_res, predict_time = self.text_recognizer(img_list)
+            for dno in range(len(rec_res)):
+                text, score = rec_res[dno]
+                rec_res_final.append(
+                    {
+                        'text': text,
+                        'confidence': float(score),
+                    }
+                )
+        except Exception as e:
+            print(e)
+            return [[]]
+
+        return [rec_res_final]
+
+
+    @serving
+    def serving_method(self, images, **kwargs):
+        """
+        Run as a service.
+        """
+        images_decode = [base64_to_cv2(image) for image in images]
+        results = self.predict(images_decode, **kwargs)
+        return results
+
+   
+if __name__ == '__main__':
+    ocr = OCRRec()
+    image_path = [
+        './doc/imgs_words/ch/word_1.jpg',
+        './doc/imgs_words/ch/word_2.jpg',
+        './doc/imgs_words/ch/word_3.jpg',
+    ]
+    res = ocr.predict(paths=image_path)
+    print(res)
\ No newline at end of file

deploy/hubserving/ocr_rec/params.py

+# -*- coding:utf-8 -*-
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+
+class Config(object):
+    pass
+
+
+def read_params():
+    cfg = Config()
+    
+    # #params for text detector
+    # cfg.det_algorithm = "DB"
+    # cfg.det_model_dir = "./inference/ch_det_mv3_db/"
+    # cfg.det_max_side_len = 960
+
+    # #DB parmas
+    # cfg.det_db_thresh =0.3
+    # cfg.det_db_box_thresh =0.5
+    # cfg.det_db_unclip_ratio =2.0
+
+    # #EAST parmas
+    # cfg.det_east_score_thresh = 0.8
+    # cfg.det_east_cover_thresh = 0.1
+    # cfg.det_east_nms_thresh = 0.2
+
+    #params for text recognizer
+    cfg.rec_algorithm = "CRNN"
+    cfg.rec_model_dir = "./inference/ch_rec_mv3_crnn/"
+
+    cfg.rec_image_shape = "3, 32, 320"
+    cfg.rec_char_type = 'ch'
+    cfg.rec_batch_num = 30
+    cfg.rec_char_dict_path = "./ppocr/utils/ppocr_keys_v1.txt"
+    cfg.use_space_char = True
+
+    return cfg
\ No newline at end of file

deploy/hubserving/ocr_system/config.json

+{
+    "modules_info": {
+        "ocr_system": {
+            "init_args": {
+                "version": "1.0.0",
+                "use_gpu": true
+            },
+            "predict_args": {
+            }
+        }
+    },
+    "port": 8868,
+    "use_multiprocess": false,
+    "workers": 2
+}
+

deploy/hubserving/ocr_system/module.py

+# -*- coding:utf-8 -*-
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import argparse
+import ast
+import copy
+import math
+import os
+import time
+
+from paddle.fluid.core import AnalysisConfig, create_paddle_predictor, PaddleTensor
+from paddlehub.common.logger import logger
+from paddlehub.module.module import moduleinfo, runnable, serving
+from PIL import Image
+import cv2
+import numpy as np
+import paddle.fluid as fluid
+import paddlehub as hub
+
+from tools.infer.utility import base64_to_cv2
+from tools.infer.predict_system import TextSystem
+
+
+@moduleinfo(
+    name="ocr_system",
+    version="1.0.0",
+    summary="ocr system service",
+    author="paddle-dev",
+    author_email="paddle-dev@baidu.com",
+    type="cv/text_recognition")
+class OCRSystem(hub.Module):
+    def _initialize(self, use_gpu=False, enable_mkldnn=False):
+        """
+        initialize with the necessary elements
+        """
+        from ocr_system.params import read_params
+        cfg = read_params()
+
+        cfg.use_gpu = use_gpu
+        if use_gpu:
+            try:
+                _places = os.environ["CUDA_VISIBLE_DEVICES"]
+                int(_places[0])
+                print("use gpu: ", use_gpu)
+                print("CUDA_VISIBLE_DEVICES: ", _places)
+                cfg.gpu_mem = 8000
+            except:
+                raise RuntimeError(
+                    "Environment Variable CUDA_VISIBLE_DEVICES is not set correctly. If you wanna use gpu, please set CUDA_VISIBLE_DEVICES via export CUDA_VISIBLE_DEVICES=cuda_device_id."
+                )
+        cfg.ir_optim = True
+        cfg.enable_mkldnn = enable_mkldnn
+        
+        self.text_sys = TextSystem(cfg)
+
+    def read_images(self, paths=[]):
+        images = []
+        for img_path in paths:
+            assert os.path.isfile(
+                img_path), "The {} isn't a valid file.".format(img_path)
+            img = cv2.imread(img_path)
+            if img is None:
+                logger.info("error in loading image:{}".format(img_path))
+                continue
+            images.append(img)
+        return images
+
+    def predict(self,
+                       images=[],
+                       paths=[]):
+        """
+        Get the chinese texts in the predicted images.
+        Args:
+            images (list(numpy.ndarray)): images data, shape of each is [H, W, C]. If images not paths
+            paths (list[str]): The paths of images. If paths not images
+        Returns:
+            res (list): The result of chinese texts and save path of images.
+        """
+
+        if images != [] and isinstance(images, list) and paths == []:
+            predicted_data = images
+        elif images == [] and isinstance(paths, list) and paths != []:
+            predicted_data = self.read_images(paths)
+        else:
+            raise TypeError("The input data is inconsistent with expectations.")
+
+        assert predicted_data != [], "There is not any image to be predicted. Please check the input data."
+
+        all_results = []
+        for img in predicted_data:
+            if img is None:
+                logger.info("error in loading image")
+                all_results.append([])
+                continue
+            starttime = time.time()
+            dt_boxes, rec_res = self.text_sys(img)
+            elapse = time.time() - starttime
+            logger.info("Predict time: {}".format(elapse))
+
+            dt_num = len(dt_boxes)
+            rec_res_final = []
+
+            for dno in range(dt_num):
+                text, score = rec_res[dno]
+                rec_res_final.append(
+                    {
+                        'text': text,
+                        'confidence': float(score),
+                        'text_region': dt_boxes[dno].astype(np.int).tolist()
+                    }
+                )
+            all_results.append(rec_res_final)
+        return all_results
+
+    @serving
+    def serving_method(self, images, **kwargs):
+        """
+        Run as a service.
+        """
+        images_decode = [base64_to_cv2(image) for image in images]
+        results = self.predict(images_decode, **kwargs)
+        return results
+
+   
+if __name__ == '__main__':
+    ocr = OCRSystem()
+    image_path = [
+        './doc/imgs/11.jpg',
+        './doc/imgs/12.jpg',
+    ]
+    res = ocr.predict(paths=image_path)
+    print(res)
\ No newline at end of file

deploy/hubserving/ocr_system/params.py

+# -*- coding:utf-8 -*-
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+
+class Config(object):
+    pass
+
+
+def read_params():
+    cfg = Config()
+    
+    #params for text detector
+    cfg.det_algorithm = "DB"
+    cfg.det_model_dir = "./inference/ch_det_mv3_db/"
+    cfg.det_max_side_len = 960
+
+    #DB parmas
+    cfg.det_db_thresh =0.3
+    cfg.det_db_box_thresh =0.5
+    cfg.det_db_unclip_ratio =2.0
+
+    #EAST parmas
+    cfg.det_east_score_thresh = 0.8
+    cfg.det_east_cover_thresh = 0.1
+    cfg.det_east_nms_thresh = 0.2
+
+    #params for text recognizer
+    cfg.rec_algorithm = "CRNN"
+    cfg.rec_model_dir = "./inference/ch_rec_mv3_crnn/"
+
+    cfg.rec_image_shape = "3, 32, 320"
+    cfg.rec_char_type = 'ch'
+    cfg.rec_batch_num = 30
+    cfg.rec_char_dict_path = "./ppocr/utils/ppocr_keys_v1.txt"
+    cfg.use_space_char = True
+
+    return cfg
\ No newline at end of file

deploy/ios_demo/download_dependencies.sh

+#!/bin/bash
+set -e
+
+OCR_MODEL_URL="https://paddleocr.bj.bcebos.com/deploy/lite/ocr_v1_for_cpu.tar.gz"
+PADDLE_LITE_LIB_URL="https://paddlelite-demo.bj.bcebos.com/libs/ios/paddle_lite_libs_v2_6_0.tar.gz"
+OPENCV3_FRAMEWORK_URL="https://paddlelite-demo.bj.bcebos.com/libs/ios/opencv3.framework.tar.gz"
+
+download_and_extract() {
+    local url="$1"
+    local dst_dir="$2"
+    local tempdir=$(mktemp -d)
+
+    echo "Downloading ${url} ..."
+    curl -L ${url} > ${tempdir}/temp.tar.gz
+    echo "Download ${url} done "
+
+    if [ ! -d ${dst_dir} ];then
+        mkdir -p ${dst_dir}
+    fi
+
+    echo "Extracting ..."
+    tar -zxvf ${tempdir}/temp.tar.gz -C ${dst_dir}
+    echo "Extract done "
+
+    rm -rf ${tempdir}
+}
+
+echo -e "[Download ios ocr demo denpendancy]\n"
+download_and_extract "${OCR_MODEL_URL}" "./ios-demo/ocr_demo/models"
+download_and_extract "${PADDLE_LITE_LIB_URL}" "./ios-demo/ocr_demo"
+download_and_extract "${OPENCV3_FRAMEWORK_URL}" "./ios-demo/ocr_demo"
+echo -e "[done]\n"

deploy/ios_demo/ocr_demo.xcodeproj/project.pbxproj

+// !$*UTF8*$!
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+}

deploy/ios_demo/ocr_demo/AppDelegate.h

+//
+//  AppDelegate.h
+//  seg_demo
+//
+//  Created by Li,Xiaoyang(SYS) on 2018/11/13.
+//  Copyright © 2018年 Li,Xiaoyang(SYS). All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+
+@end
+

deploy/ios_demo/ocr_demo/AppDelegate.m

+//
+//  AppDelegate.m
+//  seg_demo
+//
+//  Created by Li,Xiaoyang(SYS) on 2018/11/13.
+//  Copyright © 2018年 Li,Xiaoyang(SYS). All rights reserved.
+//
+
+#import "AppDelegate.h"
+
+@interface AppDelegate ()
+
+@end
+
+@implementation AppDelegate
+
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // Override point for customization after application launch.
+    return YES;
+}
+
+
+- (void)applicationWillResignActive:(UIApplication *)application {
+    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+    // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
+}
+
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
+    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+}
+
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+    // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
+}
+
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+}
+
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+}
+
+
+@end

deploy/ios_demo/ocr_demo/Assets.xcassets/AppIcon.appiconset/Contents.json

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+    },
+    {
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+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

deploy/ios_demo/ocr_demo/Assets.xcassets/Contents.json

+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

deploy/ios_demo/ocr_demo/Base.lproj/LaunchScreen.storyboard

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

deploy/ios_demo/ocr_demo/Base.lproj/Main.storyboard

+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="16097" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+    <device id="retina4_7" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="16087"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="yZw-YR-x44">
+                                <rect key="frame" x="114.5" y="624" width="51" height="31"/>
+                            </switch>
+                            <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="wN7-2M-FdP">
+                                <rect key="frame" x="16" y="624" width="56" height="31"/>
+                            </switch>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="前/后摄像头" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="lu6-Fq-OIg">
+                                <rect key="frame" x="93" y="594" width="92" height="21"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" horizontalCompressionResistancePriority="751" text="开启相机" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="VfD-z1-Okj">
+                                <rect key="frame" x="8" y="594" width="70" height="21"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="ptx-ND-Ywq">
+                                <rect key="frame" x="0.0" y="0.0" width="375" height="564"/>
+                            </imageView>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="T9y-OT-OQS">
+                                <rect key="frame" x="33" y="574" width="309" height="10"/>
+                                <constraints>
+                                    <constraint firstAttribute="height" constant="10" id="pMg-XK-d3N"/>
+                                </constraints>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="HJ5-UE-PrR">
+                                <rect key="frame" x="302" y="620.5" width="43" height="38"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="21"/>
+                                <state key="normal" title="拍照"/>
+                                <connections>
+                                    <action selector="cap_photo:" destination="BYZ-38-t0r" eventType="touchUpInside" id="PbV-pB-BRY"/>
+                                </connections>
+                            </button>
+                            <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="rc6-ZX-igF">
+                                <rect key="frame" x="208" y="624" width="51" height="31"/>
+                                <connections>
+                                    <action selector="swith_video_photo:" destination="BYZ-38-t0r" eventType="valueChanged" id="I05-92-4FW"/>
+                                </connections>
+                            </switch>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="视频/拍照" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="0tm-fo-hjF">
+                                <rect key="frame" x="195" y="595" width="75" height="21"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <nil key="textColor"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="VfD-z1-Okj" firstAttribute="top" secondItem="T9y-OT-OQS" secondAttribute="bottom" constant="10" id="BZ1-F0-re1"/>
+                            <constraint firstItem="wN7-2M-FdP" firstAttribute="top" secondItem="rc6-ZX-igF" secondAttribute="top" id="Gzf-hC-X6O"/>
+                            <constraint firstItem="wN7-2M-FdP" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leadingMargin" id="JB8-MT-bdB"/>
+                            <constraint firstItem="lu6-Fq-OIg" firstAttribute="leading" secondItem="VfD-z1-Okj" secondAttribute="trailing" constant="15" id="JbA-wd-hE8"/>
+                            <constraint firstItem="wN7-2M-FdP" firstAttribute="centerX" secondItem="VfD-z1-Okj" secondAttribute="centerX" id="LW4-R4-nh2"/>
+                            <constraint firstItem="0tm-fo-hjF" firstAttribute="leading" secondItem="lu6-Fq-OIg" secondAttribute="trailing" constant="10" id="NDI-W8-717"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="ptx-ND-Ywq" secondAttribute="trailing" id="V5z-FH-SFs"/>
+                            <constraint firstItem="ptx-ND-Ywq" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" id="dET-yr-Mon"/>
+                            <constraint firstItem="ptx-ND-Ywq" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" id="fn8-6Z-tv4"/>
+                            <constraint firstItem="T9y-OT-OQS" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="33" id="iMB-Zg-Hsa"/>
+                            <constraint firstItem="VfD-z1-Okj" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="8" id="izE-la-Fhu"/>
+                            <constraint firstItem="wN7-2M-FdP" firstAttribute="top" secondItem="VfD-z1-Okj" secondAttribute="bottom" constant="9" id="jcU-7c-FNS"/>
+                            <constraint firstItem="HJ5-UE-PrR" firstAttribute="centerY" secondItem="rc6-ZX-igF" secondAttribute="centerY" id="lpA-wq-cXI"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="T9y-OT-OQS" secondAttribute="trailing" constant="33" id="mD1-P0-mgB"/>
+                            <constraint firstItem="rc6-ZX-igF" firstAttribute="centerX" secondItem="0tm-fo-hjF" secondAttribute="centerX" id="p5w-6o-OqW"/>
+                            <constraint firstItem="rc6-ZX-igF" firstAttribute="top" secondItem="0tm-fo-hjF" secondAttribute="bottom" constant="8" id="rzr-oM-f7f"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="HJ5-UE-PrR" secondAttribute="trailing" constant="30" id="tYA-x1-MRj"/>
+                            <constraint firstItem="T9y-OT-OQS" firstAttribute="top" secondItem="ptx-ND-Ywq" secondAttribute="bottom" constant="10" id="vNp-h8-QF9"/>
+                            <constraint firstItem="VfD-z1-Okj" firstAttribute="baseline" secondItem="lu6-Fq-OIg" secondAttribute="baseline" id="wcZ-9g-OTX"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="wN7-2M-FdP" secondAttribute="bottom" constant="12" id="xm2-Eb-dxp"/>
+                            <constraint firstItem="wN7-2M-FdP" firstAttribute="top" secondItem="yZw-YR-x44" secondAttribute="top" id="yHi-Fb-V4o"/>
+                            <constraint firstItem="yZw-YR-x44" firstAttribute="centerX" secondItem="lu6-Fq-OIg" secondAttribute="centerX" id="yXW-Ap-sa7"/>
+                            <constraint firstItem="VfD-z1-Okj" firstAttribute="centerY" secondItem="lu6-Fq-OIg" secondAttribute="centerY" id="zQ1-gg-Rnh"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                    <connections>
+                        <outlet property="flag_back_cam" destination="yZw-YR-x44" id="z5O-BW-sm7"/>
+                        <outlet property="flag_process" destination="wN7-2M-FdP" id="i8h-CM-ida"/>
+                        <outlet property="flag_video" destination="rc6-ZX-igF" id="Uch-KB-gwF"/>
+                        <outlet property="imageView" destination="ptx-ND-Ywq" id="XjA-C2-hvm"/>
+                        <outlet property="result" destination="T9y-OT-OQS" id="6kB-Ha-dfo"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53.600000000000001" y="62.518740629685162"/>
+        </scene>
+    </scenes>
+</document>

deploy/ios_demo/ocr_demo/BoxLayer.h

+//
+// Created by chenxiaoyu on 2018/5/5.
+// Copyright (c) 2018 baidu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import "OcrData.h"
+
+
+@interface BoxLayer : CAShapeLayer
+
+/**
+ * 绘制OCR的结果
+ */
+-(void) renderOcrPolygon: (OcrData *)data withHeight:(CGFloat)originHeight withWidth:(CGFloat)originWidth withLabel:(bool) withLabel;
+
+
+
+@end

deploy/ios_demo/ocr_demo/BoxLayer.m

+//
+// Created by chenxiaoyu on 2018/5/5.
+// Copyright (c) 2018 baidu. All rights reserved.
+//
+
+#include "BoxLayer.h"
+#import "Helpers.h"
+
+@implementation BoxLayer {
+
+}
+
+#define MAIN_COLOR UIColorFromRGB(0x3B85F5)
+- (void)renderOcrPolygon:(OcrData *)d withHeight:(CGFloat)originHeight withWidth:(CGFloat)originWidth withLabel:(bool)withLabel {
+
+    if ([d.polygonPoints count] != 4) {
+        NSLog(@"poloygonPoints size is not 4");
+        return;
+    }
+
+    CGPoint startPoint = [d.polygonPoints[0] CGPointValue];
+    NSString *text = d.label;
+
+    CGFloat x = startPoint.x * originWidth;
+    CGFloat y = startPoint.y * originHeight;
+    CGFloat width = originWidth - x;
+    CGFloat height = originHeight - y;
+
+
+    UIFont *font = [UIFont systemFontOfSize:16];
+    NSDictionary *attrs = @{
+//            NSStrokeColorAttributeName: [UIColor blackColor],
+            NSForegroundColorAttributeName: [UIColor whiteColor],
+//            NSStrokeWidthAttributeName : @((float) -6.0),
+            NSFontAttributeName: font
+    };
+
+
+    if (withLabel) {
+        NSAttributedString *displayStr = [[NSAttributedString alloc] initWithString:text attributes:attrs];
+        CATextLayer *textLayer = [[CATextLayer alloc] init];
+        textLayer.wrapped = YES;
+        textLayer.string = displayStr;
+        textLayer.frame = CGRectMake(x + 2, y + 2, width, height);
+        textLayer.contentsScale = [[UIScreen mainScreen] scale];
+
+        // 加阴影显得有点乱
+//    textLayer.shadowColor = [MAIN_COLOR CGColor];
+//    textLayer.shadowOffset = CGSizeMake(2.0, 2.0);
+//    textLayer.shadowOpacity = 0.8;
+//    textLayer.shadowRadius = 0.0;
+
+        [self addSublayer:textLayer];
+    }
+
+
+    UIBezierPath *path = [UIBezierPath new];
+
+
+    [path moveToPoint:CGPointMake(startPoint.x * originWidth, startPoint.y * originHeight)];
+    for (NSValue *val in d.polygonPoints) {
+        CGPoint p = [val CGPointValue];
+        [path addLineToPoint:CGPointMake(p.x * originWidth, p.y * originHeight)];
+    }
+    [path closePath];
+
+    self.path = path.CGPath;
+    self.strokeColor = MAIN_COLOR.CGColor;
+    self.lineWidth = 2.0;
+    self.fillColor = [MAIN_COLOR colorWithAlphaComponent:0.2].CGColor;
+    self.lineJoin = kCALineJoinBevel;
+
+}
+
+- (void)renderSingleBox:(OcrData *)data withHeight:(CGFloat)originHeight withWidth:(CGFloat)originWidth {
+    [self renderOcrPolygon:data withHeight:originHeight withWidth:originWidth withLabel:YES];
+}
+
+
+@end

deploy/ios_demo/ocr_demo/Helpers.h

+//
+//  Helpers.h
+//  EasyDLDemo
+//
+//  Created by chenxiaoyu on 2018/5/14.
+//  Copyright © 2018年 baidu. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIImage.h>
+
+#define UIColorFromRGB(rgbValue) \
+[UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
+green:((float)((rgbValue & 0x00FF00) >>  8))/255.0 \
+blue:((float)((rgbValue & 0x0000FF) >>  0))/255.0 \
+alpha:1.0]
+
+#define SCREEN_HEIGHT  [UIScreen mainScreen].bounds.size.height
+#define SCREEN_WIDTH  [UIScreen mainScreen].bounds.size.width
+
+#define HIGHLIGHT_COLOR UIColorFromRGB(0xF5A623)
+
+//#define BTN_HIGHTLIGH_TEXT_COLOR UIColorFromRGB(0xF5A623)
+
+
+@interface Helpers : NSObject {
+
+
+}
+
+@end

deploy/ios_demo/ocr_demo/Helpers.m

+//
+//  Helpers.m
+//  EasyDLDemo
+//
+//  Created by chenxiaoyu on 2018/5/14.
+//  Copyright © 2018年 baidu. All rights reserved.
+//
+
+#import "Helpers.h"
+
+
+
+@implementation Helpers
+
+
+
+@end