Merge branch 'develop' into ce-script

python/examples/ocr/README.md

@@ -4,18 +4,42 @@
 ```
 python -m paddle_serving_app.package --get_model ocr_rec
 tar -xzvf ocr_rec.tar.gz
+python -m paddle_serving_app.package --get_model ocr_det
+tar -xzvf ocr_det.tar.gz
 ```
 
 ## RPC Service
 
 ### Start Service
 
+For the following two code block, please check your devices and pick one  
+for GPU device
+```
+python -m paddle_serving_server_gpu.serve --model ocr_rec_model --port 9292 --gpu_id 0
+python -m paddle_serving_server_gpu.serve --model ocr_det_model --port 9293 --gpu_id 0
+```
+for CPU device
 ```
 python -m paddle_serving_server.serve --model ocr_rec_model --port 9292
+python -m paddle_serving_server.serve --model ocr_det_model --port 9293
 ```
 
 ### Client Prediction
 
 ```
-python test_ocr_rec_client.py
+python ocr_rpc_client.py
+```
+
+## Web Service
+
+### Start Service
+
+```
+python -m paddle_serving_server_gpu.serve --model ocr_det_model --port 9293 --gpu_id 0
+python ocr_web_server.py
+```
+
+### Client Prediction
+```
+sh ocr_web_client.sh
 ```

python/examples/ocr/ocr_rpc_client.py

+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle_serving_client import Client
+from paddle_serving_app.reader import OCRReader
+import cv2
+import sys
+import numpy as np
+import os
+from paddle_serving_client import Client
+from paddle_serving_app.reader import Sequential, File2Image, ResizeByFactor
+from paddle_serving_app.reader import Div, Normalize, Transpose
+from paddle_serving_app.reader import DBPostProcess, FilterBoxes
+import time
+import re
+
+
+def sorted_boxes(dt_boxes):
+    """
+    Sort text boxes in order from top to bottom, left to right
+    args:
+        dt_boxes(array):detected text boxes with shape [4, 2]
+    return:
+        sorted boxes(array) with shape [4, 2]
+    """
+    num_boxes = dt_boxes.shape[0]
+    sorted_boxes = sorted(dt_boxes, key=lambda x: (x[0][1], x[0][0]))
+    _boxes = list(sorted_boxes)
+
+    for i in range(num_boxes - 1):
+        if abs(_boxes[i+1][0][1] - _boxes[i][0][1]) < 10 and \
+            (_boxes[i + 1][0][0] < _boxes[i][0][0]):
+            tmp = _boxes[i]
+            _boxes[i] = _boxes[i + 1]
+            _boxes[i + 1] = tmp
+    return _boxes
+
+
+def get_rotate_crop_image(img, points):
+    #img = cv2.imread(img)
+    img_height, img_width = img.shape[0:2]
+    left = int(np.min(points[:, 0]))
+    right = int(np.max(points[:, 0]))
+    top = int(np.min(points[:, 1]))
+    bottom = int(np.max(points[:, 1]))
+    img_crop = img[top:bottom, left:right, :].copy()
+    points[:, 0] = points[:, 0] - left
+    points[:, 1] = points[:, 1] - top
+    img_crop_width = int(np.linalg.norm(points[0] - points[1]))
+    img_crop_height = int(np.linalg.norm(points[0] - points[3]))
+    pts_std = np.float32([[0, 0], [img_crop_width, 0], \
+                          [img_crop_width, img_crop_height], [0, img_crop_height]])
+    M = cv2.getPerspectiveTransform(points, pts_std)
+    dst_img = cv2.warpPerspective(
+        img_crop,
+        M, (img_crop_width, img_crop_height),
+        borderMode=cv2.BORDER_REPLICATE)
+    dst_img_height, dst_img_width = dst_img.shape[0:2]
+    if dst_img_height * 1.0 / dst_img_width >= 1.5:
+        dst_img = np.rot90(dst_img)
+    return dst_img
+
+
+def read_det_box_file(filename):
+    with open(filename, 'r') as f:
+        line = f.readline()
+        a, b, c = int(line.split(' ')[0]), int(line.split(' ')[1]), int(
+            line.split(' ')[2])
+        dt_boxes = np.zeros((a, b, c)).astype(np.float32)
+        line = f.readline()
+        for i in range(a):
+            for j in range(b):
+                line = f.readline()
+                dt_boxes[i, j, 0], dt_boxes[i, j, 1] = float(
+                    line.split(' ')[0]), float(line.split(' ')[1])
+            line = f.readline()
+
+
+def resize_norm_img(img, max_wh_ratio):
+    import math
+    imgC, imgH, imgW = 3, 32, 320
+    imgW = int(32 * max_wh_ratio)
+    h = img.shape[0]
+    w = img.shape[1]
+    ratio = w / float(h)
+    if math.ceil(imgH * ratio) > imgW:
+        resized_w = imgW
+    else:
+        resized_w = int(math.ceil(imgH * ratio))
+    resized_image = cv2.resize(img, (resized_w, imgH))
+    resized_image = resized_image.astype('float32')
+    resized_image = resized_image.transpose((2, 0, 1)) / 255
+    resized_image -= 0.5
+    resized_image /= 0.5
+    padding_im = np.zeros((imgC, imgH, imgW), dtype=np.float32)
+    padding_im[:, :, 0:resized_w] = resized_image
+    return padding_im
+
+
+def main():
+    client1 = Client()
+    client1.load_client_config("ocr_det_client/serving_client_conf.prototxt")
+    client1.connect(["127.0.0.1:9293"])
+
+    client2 = Client()
+    client2.load_client_config("ocr_rec_client/serving_client_conf.prototxt")
+    client2.connect(["127.0.0.1:9292"])
+
+    read_image_file = File2Image()
+    preprocess = Sequential([
+        ResizeByFactor(32, 960), Div(255),
+        Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]), Transpose(
+            (2, 0, 1))
+    ])
+    post_func = DBPostProcess({
+        "thresh": 0.3,
+        "box_thresh": 0.5,
+        "max_candidates": 1000,
+        "unclip_ratio": 1.5,
+        "min_size": 3
+    })
+
+    filter_func = FilterBoxes(10, 10)
+    ocr_reader = OCRReader()
+    files = [
+        "./imgs/{}".format(f) for f in os.listdir('./imgs')
+        if re.match(r'[0-9]+.*\.jpg|[0-9]+.*\.png', f)
+    ]
+    #files = ["2.jpg"]*30
+    #files = ["rctw/rctw/train/images/image_{}.jpg".format(i) for i in range(500)]
+    time_all = 0
+    time_det_all = 0
+    time_rec_all = 0
+    for name in files:
+        #print(name)
+        im = read_image_file(name)
+        ori_h, ori_w, _ = im.shape
+        time1 = time.time()
+        img = preprocess(im)
+        _, new_h, new_w = img.shape
+        ratio_list = [float(new_h) / ori_h, float(new_w) / ori_w]
+        #print(new_h, new_w, ori_h, ori_w)
+        time_before_det = time.time()
+        outputs = client1.predict(feed={"image": img}, fetch=["concat_1.tmp_0"])
+        time_after_det = time.time()
+        time_det_all += (time_after_det - time_before_det)
+        #print(outputs)
+        dt_boxes_list = post_func(outputs["concat_1.tmp_0"], [ratio_list])
+        dt_boxes = filter_func(dt_boxes_list[0], [ori_h, ori_w])
+        dt_boxes = sorted_boxes(dt_boxes)
+        feed_list = []
+        img_list = []
+        max_wh_ratio = 0
+        for i, dtbox in enumerate(dt_boxes):
+            boximg = get_rotate_crop_image(im, dt_boxes[i])
+            img_list.append(boximg)
+            h, w = boximg.shape[0:2]
+            wh_ratio = w * 1.0 / h
+            max_wh_ratio = max(max_wh_ratio, wh_ratio)
+        for img in img_list:
+            norm_img = resize_norm_img(img, max_wh_ratio)
+            #norm_img = norm_img[np.newaxis, :]
+            feed = {"image": norm_img}
+            feed_list.append(feed)
+        #fetch = ["ctc_greedy_decoder_0.tmp_0", "softmax_0.tmp_0"]
+        fetch = ["ctc_greedy_decoder_0.tmp_0"]
+        time_before_rec = time.time()
+        if len(feed_list) == 0:
+            continue
+        fetch_map = client2.predict(feed=feed_list, fetch=fetch)
+        time_after_rec = time.time()
+        time_rec_all += (time_after_rec - time_before_rec)
+        rec_res = ocr_reader.postprocess(fetch_map)
+        #for res in rec_res:
+        #    print(res[0].encode("utf-8"))
+        time2 = time.time()
+        time_all += (time2 - time1)
+    print("rpc+det time: {}".format(time_all / len(files)))
+
+
+if __name__ == '__main__':
+    main()

python/examples/ocr/ocr_web_client.sh

+ curl -H "Content-Type:application/json" -X POST -d '{"feed":[{"image": "https://paddle-serving.bj.bcebos.com/others/1.jpg"}], "fetch": ["res"]}' http://127.0.0.1:9292/ocr/prediction

python/examples/ocr/ocr_web_server.py

+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from paddle_serving_client import Client
+from paddle_serving_app.reader import OCRReader
+import cv2
+import sys
+import numpy as np
+import os
+from paddle_serving_client import Client
+from paddle_serving_app.reader import Sequential, URL2Image, ResizeByFactor
+from paddle_serving_app.reader import Div, Normalize, Transpose
+from paddle_serving_app.reader import DBPostProcess, FilterBoxes
+from paddle_serving_server_gpu.web_service import WebService
+import time
+import re
+
+
+class OCRService(WebService):
+    def init_det_client(self, det_port, det_client_config):
+        self.det_preprocess = Sequential([
+            ResizeByFactor(32, 960), Div(255),
+            Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]), Transpose(
+                (2, 0, 1))
+        ])
+        self.det_client = Client()
+        self.det_client.load_client_config(det_client_config)
+        self.det_client.connect(["127.0.0.1:{}".format(det_port)])
+
+    def preprocess(self, feed=[], fetch=[]):
+        img_url = feed[0]["image"]
+        #print(feed, img_url)
+        read_from_url = URL2Image()
+        im = read_from_url(img_url)
+        ori_h, ori_w, _ = im.shape
+        det_img = self.det_preprocess(im)
+        #print("det_img", det_img, det_img.shape)
+        det_out = self.det_client.predict(
+            feed={"image": det_img}, fetch=["concat_1.tmp_0"])
+
+        #print("det_out", det_out)
+        def sorted_boxes(dt_boxes):
+            num_boxes = dt_boxes.shape[0]
+            sorted_boxes = sorted(dt_boxes, key=lambda x: (x[0][1], x[0][0]))
+            _boxes = list(sorted_boxes)
+            for i in range(num_boxes - 1):
+                if abs(_boxes[i+1][0][1] - _boxes[i][0][1]) < 10 and \
+                    (_boxes[i + 1][0][0] < _boxes[i][0][0]):
+                    tmp = _boxes[i]
+                    _boxes[i] = _boxes[i + 1]
+                    _boxes[i + 1] = tmp
+            return _boxes
+
+        def get_rotate_crop_image(img, points):
+            img_height, img_width = img.shape[0:2]
+            left = int(np.min(points[:, 0]))
+            right = int(np.max(points[:, 0]))
+            top = int(np.min(points[:, 1]))
+            bottom = int(np.max(points[:, 1]))
+            img_crop = img[top:bottom, left:right, :].copy()
+            points[:, 0] = points[:, 0] - left
+            points[:, 1] = points[:, 1] - top
+            img_crop_width = int(np.linalg.norm(points[0] - points[1]))
+            img_crop_height = int(np.linalg.norm(points[0] - points[3]))
+            pts_std = np.float32([[0, 0], [img_crop_width, 0], \
+                                  [img_crop_width, img_crop_height], [0, img_crop_height]])
+            M = cv2.getPerspectiveTransform(points, pts_std)
+            dst_img = cv2.warpPerspective(
+                img_crop,
+                M, (img_crop_width, img_crop_height),
+                borderMode=cv2.BORDER_REPLICATE)
+            dst_img_height, dst_img_width = dst_img.shape[0:2]
+            if dst_img_height * 1.0 / dst_img_width >= 1.5:
+                dst_img = np.rot90(dst_img)
+            return dst_img
+
+        def resize_norm_img(img, max_wh_ratio):
+            import math
+            imgC, imgH, imgW = 3, 32, 320
+            imgW = int(32 * max_wh_ratio)
+            h = img.shape[0]
+            w = img.shape[1]
+            ratio = w / float(h)
+            if math.ceil(imgH * ratio) > imgW:
+                resized_w = imgW
+            else:
+                resized_w = int(math.ceil(imgH * ratio))
+            resized_image = cv2.resize(img, (resized_w, imgH))
+            resized_image = resized_image.astype('float32')
+            resized_image = resized_image.transpose((2, 0, 1)) / 255
+            resized_image -= 0.5
+            resized_image /= 0.5
+            padding_im = np.zeros((imgC, imgH, imgW), dtype=np.float32)
+            padding_im[:, :, 0:resized_w] = resized_image
+            return padding_im
+
+        _, new_h, new_w = det_img.shape
+        filter_func = FilterBoxes(10, 10)
+        post_func = DBPostProcess({
+            "thresh": 0.3,
+            "box_thresh": 0.5,
+            "max_candidates": 1000,
+            "unclip_ratio": 1.5,
+            "min_size": 3
+        })
+        ratio_list = [float(new_h) / ori_h, float(new_w) / ori_w]
+        dt_boxes_list = post_func(det_out["concat_1.tmp_0"], [ratio_list])
+        dt_boxes = filter_func(dt_boxes_list[0], [ori_h, ori_w])
+        dt_boxes = sorted_boxes(dt_boxes)
+        feed_list = []
+        img_list = []
+        max_wh_ratio = 0
+        for i, dtbox in enumerate(dt_boxes):
+            boximg = get_rotate_crop_image(im, dt_boxes[i])
+            img_list.append(boximg)
+            h, w = boximg.shape[0:2]
+            wh_ratio = w * 1.0 / h
+            max_wh_ratio = max(max_wh_ratio, wh_ratio)
+        for img in img_list:
+            norm_img = resize_norm_img(img, max_wh_ratio)
+            feed = {"image": norm_img}
+            feed_list.append(feed)
+        fetch = ["ctc_greedy_decoder_0.tmp_0"]
+        #print("feed_list", feed_list)
+        return feed_list, fetch
+
+    def postprocess(self, feed={}, fetch=[], fetch_map=None):
+        #print(fetch_map)
+        ocr_reader = OCRReader()
+        rec_res = ocr_reader.postprocess(fetch_map)
+        res_lst = []
+        for res in rec_res:
+            res_lst.append(res[0])
+        fetch_map["res"] = res_lst
+        del fetch_map["ctc_greedy_decoder_0.tmp_0"]
+        del fetch_map["ctc_greedy_decoder_0.tmp_0.lod"]
+        return fetch_map
+
+
+ocr_service = OCRService(name="ocr")
+ocr_service.load_model_config("ocr_rec_model")
+ocr_service.prepare_server(workdir="workdir", port=9292)
+ocr_service.init_det_client(
+    det_port=9293,
+    det_client_config="ocr_det_client/serving_client_conf.prototxt")
+ocr_service.run_rpc_service()
+ocr_service.run_web_service()

python/examples/ocr/test_ocr_rec_client.py

-# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-from paddle_serving_client import Client
-from paddle_serving_app.reader import OCRReader
-import cv2
-
-client = Client()
-client.load_client_config("ocr_rec_client/serving_client_conf.prototxt")
-client.connect(["127.0.0.1:9292"])
-
-image_file_list = ["./test_rec.jpg"]
-img = cv2.imread(image_file_list[0])
-ocr_reader = OCRReader()
-feed = {"image": ocr_reader.preprocess([img])}
-fetch = ["ctc_greedy_decoder_0.tmp_0", "softmax_0.tmp_0"]
-fetch_map = client.predict(feed=feed, fetch=fetch)
-rec_res = ocr_reader.postprocess(fetch_map)
-print(image_file_list[0])
-print(rec_res[0][0])

python/paddle_serving_app/models/model_list.py

@@ -32,7 +32,7 @@ class ServingModels(object):
         self.model_dict["ImageClassification"] = [
             "resnet_v2_50_imagenet", "mobilenet_v2_imagenet"
         ]
-        self.model_dict["TextDetection"] = ["ocr_detection"]
+        self.model_dict["TextDetection"] = ["ocr_det"]
         self.model_dict["OCR"] = ["ocr_rec"]
 
         image_class_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/image/ImageClassification/"

python/paddle_serving_app/reader/ocr_reader.py

@@ -182,22 +182,26 @@ class OCRReader(object):
 
         return norm_img_batch[0]
 
-    def postprocess(self, outputs):
+    def postprocess(self, outputs, with_score=False):
         rec_res = []
         rec_idx_lod = outputs["ctc_greedy_decoder_0.tmp_0.lod"]
-        predict_lod = outputs["softmax_0.tmp_0.lod"]
         rec_idx_batch = outputs["ctc_greedy_decoder_0.tmp_0"]
+        if with_score:
+            predict_lod = outputs["softmax_0.tmp_0.lod"]
         for rno in range(len(rec_idx_lod) - 1):
             beg = rec_idx_lod[rno]
             end = rec_idx_lod[rno + 1]
             rec_idx_tmp = rec_idx_batch[beg:end, 0]
             preds_text = self.char_ops.decode(rec_idx_tmp)
-            beg = predict_lod[rno]
-            end = predict_lod[rno + 1]
-            probs = outputs["softmax_0.tmp_0"][beg:end, :]
-            ind = np.argmax(probs, axis=1)
-            blank = probs.shape[1]
-            valid_ind = np.where(ind != (blank - 1))[0]
-            score = np.mean(probs[valid_ind, ind[valid_ind]])
-            rec_res.append([preds_text, score])
+            if with_score:
+                beg = predict_lod[rno]
+                end = predict_lod[rno + 1]
+                probs = outputs["softmax_0.tmp_0"][beg:end, :]
+                ind = np.argmax(probs, axis=1)
+                blank = probs.shape[1]
+                valid_ind = np.where(ind != (blank - 1))[0]
+                score = np.mean(probs[valid_ind, ind[valid_ind]])
+                rec_res.append([preds_text, score])
+            else:
+                rec_res.append([preds_text])
         return rec_res