Beispiel #1
0
def detect_box(image, scale=600, maxScale=900):
    H, W = image.shape[:2]
    image, rate = resize_img(image, scale, maxScale=maxScale)
    h, w = image.shape[:2]
    if GPU:
        im = array_to_image(image)
        res = predict_image(textNet, im)
        scale = 16
        iw = int(np.ceil(im.w / scale))
        ih = int(np.ceil(im.h / scale))
        h, w = image.shape[:2]
        out = [res[i] for i in range(40 * ih * iw)]
        out = np.array(out).reshape((1, 40, ih, iw))
    else:
        inputBlob = cv2.dnn.blobFromImage(image,
                                          scalefactor=1.0,
                                          size=(w, h),
                                          swapRB=False,
                                          crop=False)
        outputName = textNet.getUnconnectedOutLayersNames()
        textNet.setInput(inputBlob)
        out = textNet.forward(outputName)[0]
    clsOut = reshape(out[:, :20, ...])
    boxOut = reshape(out[:, 20:, ...])
    boxes = get_origin_box((w, h), anchors, boxOut[0])
    scores = soft_max(clsOut[0])
    boxes[:, 0:4][boxes[:, 0:4] < 0] = 0
    boxes[:, 0][boxes[:, 0] >= w] = w - 1
    boxes[:, 1][boxes[:, 1] >= h] = h - 1
    boxes[:, 2][boxes[:, 2] >= w] = w - 1
    boxes[:, 3][boxes[:, 3] >= h] = h - 1
    # print (boxes)

    return scores, boxes, rate, w, h
Beispiel #2
0
def detect_box(image, scale=600, maxScale=900):
    H, W = image.shape[:2]
    image, rate = resize_img(image, scale, maxScale=maxScale)
    h, w = image.shape[:2]
    inputBlob = cv2.dnn.blobFromImage(image,
                                      scalefactor=1.0,
                                      size=(w, h),
                                      swapRB=False,
                                      crop=False)
    outputName = textNet.getUnconnectedOutLayersNames()
    textNet.setInput(inputBlob)
    out = textNet.forward(outputName)[0]
    clsOut = reshape(out[:, :20, ...])
    boxOut = reshape(out[:, 20:, ...])
    boxes = get_origin_box((w, h), anchors, boxOut[0])
    scores = soft_max(clsOut[0])
    boxes[:, 0:4][boxes[:, 0:4] < 0] = 0
    boxes[:, 0][boxes[:, 0] >= w] = w - 1
    boxes[:, 1][boxes[:, 1] >= h] = h - 1
    boxes[:, 2][boxes[:, 2] >= w] = w - 1
    boxes[:, 3][boxes[:, 3] >= h] = h - 1

    return scores, boxes, rate, w, h