去除无关代码

blind_watermark/__init__.py

@@ -1,5 +0,0 @@
-from .blind_watermark import WaterMark
-from .bwm_core import WaterMarkCore
-from .att import *
-from .recover import recover_crop
-from .version import __version__, bw_notes

blind_watermark/att.py

@@ -1,225 +0,0 @@
-# coding=utf-8
-
-# attack on the watermark
-import cv2
-import numpy as np
-import warnings
-
-
-def cut_att3(input_filename=None, input_img=None, output_file_name=None, loc_r=None, loc=None, scale=None):
-    # 剪切攻击 + 缩放攻击
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-
-    if loc is None:
-        h, w, _ = input_img.shape
-        x1, y1, x2, y2 = int(w * loc_r[0][0]), int(h * loc_r[0][1]), int(w * loc_r[1][0]), int(h * loc_r[1][1])
-    else:
-        x1, y1, x2, y2 = loc
-
-    # 剪切攻击
-    output_img = input_img[y1:y2, x1:x2].copy()
-
-    # 如果缩放攻击
-    if scale and scale != 1:
-        h, w, _ = output_img.shape
-        output_img = cv2.resize(output_img, dsize=(round(w * scale), round(h * scale)))
-    else:
-        output_img = output_img
-
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-cut_att2 = cut_att3
-
-
-def resize_att(input_filename=None, input_img=None, output_file_name=None, out_shape=(500, 500)):
-    # 缩放攻击：因为攻击和还原都是缩放，所以攻击和还原都调用这个函数
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    output_img = cv2.resize(input_img, dsize=out_shape)
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def bright_att(input_filename=None, input_img=None, output_file_name=None, ratio=0.8):
-    # 亮度调整攻击，ratio应当多于0
-    # ratio>1是调得更亮，ratio<1是亮度更暗
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    output_img = input_img * ratio
-    output_img[output_img > 255] = 255
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def shelter_att(input_filename=None, input_img=None, output_file_name=None, ratio=0.1, n=3):
-    # 遮挡攻击：遮挡图像中的一部分
-    # n个遮挡块
-    # 每个遮挡块所占比例为ratio
-    if input_filename:
-        output_img = cv2.imread(input_filename)
-    else:
-        output_img = input_img.copy()
-    input_img_shape = output_img.shape
-
-    for i in range(n):
-        tmp = np.random.rand() * (1 - ratio)  # 随机选择一个地方，1-ratio是为了防止溢出
-        start_height, end_height = int(tmp * input_img_shape[0]), int((tmp + ratio) * input_img_shape[0])
-        tmp = np.random.rand() * (1 - ratio)
-        start_width, end_width = int(tmp * input_img_shape[1]), int((tmp + ratio) * input_img_shape[1])
-
-        output_img[start_height:end_height, start_width:end_width, :] = 255
-
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def salt_pepper_att(input_filename=None, input_img=None, output_file_name=None, ratio=0.01):
-    # 椒盐攻击
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    input_img_shape = input_img.shape
-    output_img = input_img.copy()
-    for i in range(input_img_shape[0]):
-        for j in range(input_img_shape[1]):
-            if np.random.rand() < ratio:
-                output_img[i, j, :] = 255
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def rot_att(input_filename=None, input_img=None, output_file_name=None, angle=45):
-    # 旋转攻击
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    rows, cols, _ = input_img.shape
-    M = cv2.getRotationMatrix2D(center=(cols / 2, rows / 2), angle=angle, scale=1)
-    output_img = cv2.warpAffine(input_img, M, (cols, rows))
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def cut_att_height(input_filename=None, input_img=None, output_file_name=None, ratio=0.8):
-    warnings.warn('will be deprecated in the future, use att.cut_att2 instead')
-    # 纵向剪切攻击
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    input_img_shape = input_img.shape
-    height = int(input_img_shape[0] * ratio)
-
-    output_img = input_img[:height, :, :]
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def cut_att_width(input_filename=None, input_img=None, output_file_name=None, ratio=0.8):
-    warnings.warn('will be deprecated in the future, use att.cut_att2 instead')
-    # 横向裁剪攻击
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    input_img_shape = input_img.shape
-    width = int(input_img_shape[1] * ratio)
-
-    output_img = input_img[:, :width, :]
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-def cut_att(input_filename=None, output_file_name=None, input_img=None, loc=((0.3, 0.1), (0.7, 0.9)), resize=0.6):
-    warnings.warn('will be deprecated in the future, use att.cut_att2 instead')
-    # 截屏攻击 = 裁剪攻击 + 缩放攻击 + 知道攻击参数（按照参数还原）
-    # 裁剪攻击：其它部分都补0
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-
-    output_img = input_img.copy()
-    shape = output_img.shape
-    x1, y1, x2, y2 = shape[0] * loc[0][0], shape[1] * loc[0][1], shape[0] * loc[1][0], shape[1] * loc[1][1]
-    output_img[:int(x1), :] = 255
-    output_img[int(x2):, :] = 255
-    output_img[:, :int(y1)] = 255
-    output_img[:, int(y2):] = 255
-
-    if resize is not None:
-        # 缩放一次，然后还原
-        output_img = cv2.resize(output_img,
-                                dsize=(int(shape[1] * resize), int(shape[0] * resize))
-                                )
-
-        output_img = cv2.resize(output_img, dsize=(int(shape[1]), int(shape[0])))
-
-    if output_file_name is not None:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img
-
-
-# def cut_att2(input_filename=None, input_img=None, output_file_name=None, loc_r=((0.3, 0.1), (0.9, 0.9)), scale=1.1):
-#     # 截屏攻击 = 剪切攻击 + 缩放攻击 + 不知道攻击参数
-#     if input_filename:
-#         input_img = cv2.imread(input_filename)
-#     h, w, _ = input_img.shape
-#     x1, y1, x2, y2 = int(w * loc_r[0][0]), int(h * loc_r[0][1]), int(w * loc_r[1][0]), int(h * loc_r[1][1])
-#
-#     output_img = cut_att3(input_img=input_img, output_file_name=output_file_name,
-#                           loc=(x1, y1, x2, y2), scale=scale)
-#     return output_img, (x1, y1, x2, y2)
-
-def anti_cut_att_old(input_filename, output_file_name, origin_shape):
-    warnings.warn('will be deprecated in the future')
-    # 反裁剪攻击：复制一块范围，然后补全
-    # origin_shape 分辨率与约定理解的是颠倒的，约定的是列数*行数
-    input_img = cv2.imread(input_filename)
-    output_img = input_img.copy()
-    output_img_shape = output_img.shape
-    if output_img_shape[0] > origin_shape[0] or output_img_shape[0] > origin_shape[0]:
-        print('裁剪打击后的图片，不可能比原始图片大，检查一下')
-        return
-
-    # 还原纵向打击
-    while output_img_shape[0] < origin_shape[0]:
-        output_img = np.concatenate([output_img, output_img[:origin_shape[0] - output_img_shape[0], :, :]], axis=0)
-        output_img_shape = output_img.shape
-    while output_img_shape[1] < origin_shape[1]:
-        output_img = np.concatenate([output_img, output_img[:, :origin_shape[1] - output_img_shape[1], :]], axis=1)
-        output_img_shape = output_img.shape
-
-    cv2.imwrite(output_file_name, output_img)
-
-
-def anti_cut_att(input_filename=None, input_img=None, output_file_name=None, origin_shape=None):
-    warnings.warn('will be deprecated in the future, use att.cut_att2 instead')
-    # 反裁剪攻击：补0
-    # origin_shape 分辨率与约定理解的是颠倒的，约定的是列数*行数
-    if input_filename:
-        input_img = cv2.imread(input_filename)
-    output_img = input_img.copy()
-    output_img_shape = output_img.shape
-    if output_img_shape[0] > origin_shape[0] or output_img_shape[0] > origin_shape[0]:
-        print('裁剪打击后的图片，不可能比原始图片大，检查一下')
-        return
-
-    # 还原纵向打击
-    if output_img_shape[0] < origin_shape[0]:
-        output_img = np.concatenate(
-            [output_img, 255 * np.ones((origin_shape[0] - output_img_shape[0], output_img_shape[1], 3))]
-            , axis=0)
-        output_img_shape = output_img.shape
-
-    if output_img_shape[1] < origin_shape[1]:
-        output_img = np.concatenate(
-            [output_img, 255 * np.ones((output_img_shape[0], origin_shape[1] - output_img_shape[1], 3))]
-            , axis=1)
-
-    if output_file_name:
-        cv2.imwrite(output_file_name, output_img)
-    return output_img

blind_watermark/blind_watermark.py

@@ -1,109 +0,0 @@
-#!/usr/bin/env python3
-# coding=utf-8
-# @Time    : 2020/8/13
-# @Author  : github.com/guofei9987
-import warnings
-
-import numpy as np
-import cv2
-
-from .bwm_core import WaterMarkCore
-from .version import bw_notes
-
-
-class WaterMark:
-    def __init__(self, password_wm=1, password_img=1, block_shape=(4, 4), mode='common', processes=None):
-        bw_notes.print_notes()
-
-        self.bwm_core = WaterMarkCore(password_img=password_img, mode=mode, processes=processes)
-
-        self.password_wm = password_wm
-
-        self.wm_bit = None
-        self.wm_size = 0
-
-    def read_img(self, filename=None, img=None):
-        if img is None:
-            # 从文件读入图片
-            img = cv2.imread(filename, flags=cv2.IMREAD_UNCHANGED)
-            assert img is not None, "image file '{filename}' not read".format(filename=filename)
-
-        self.bwm_core.read_img_arr(img=img)
-        return img
-
-    def read_wm(self, wm_content, mode='img'):
-        assert mode in ('img', 'str', 'bit'), "mode in ('img','str','bit')"
-        if mode == 'img':
-            wm = cv2.imread(filename=wm_content, flags=cv2.IMREAD_GRAYSCALE)
-            assert wm is not None, 'file "{filename}" not read'.format(filename=wm_content)
-
-            # 读入图片格式的水印，并转为一维 bit 格式，抛弃灰度级别
-            self.wm_bit = wm.flatten() > 128
-
-        elif mode == 'str':
-            byte = bin(int(wm_content.encode('utf-8').hex(), base=16))[2:]
-            self.wm_bit = (np.array(list(byte)) == '1')
-        else:
-            self.wm_bit = np.array(wm_content)
-
-        self.wm_size = self.wm_bit.size
-
-        # 水印加密:
-        np.random.RandomState(self.password_wm).shuffle(self.wm_bit)
-
-        self.bwm_core.read_wm(self.wm_bit)
-
-    def embed(self, filename=None, compression_ratio=None):
-        '''
-        :param filename: string
-            Save the image file as filename
-        :param compression_ratio: int or None
-            If compression_ratio = None, do not compression,
-            If compression_ratio is integer between 0 and 100, the smaller, the output file is smaller.
-        :return:
-        '''
-        embed_img = self.bwm_core.embed()
-        if filename is not None:
-            if compression_ratio is None:
-                cv2.imwrite(filename=filename, img=embed_img)
-            elif filename.endswith('.jpg'):
-                cv2.imwrite(filename=filename, img=embed_img, params=[cv2.IMWRITE_JPEG_QUALITY, compression_ratio])
-            elif filename.endswith('.png'):
-                cv2.imwrite(filename=filename, img=embed_img, params=[cv2.IMWRITE_PNG_COMPRESSION, compression_ratio])
-            else:
-                cv2.imwrite(filename=filename, img=embed_img)
-        return embed_img
-
-    def extract_decrypt(self, wm_avg):
-        wm_index = np.arange(self.wm_size)
-        np.random.RandomState(self.password_wm).shuffle(wm_index)
-        wm_avg[wm_index] = wm_avg.copy()
-        return wm_avg
-
-    def extract(self, filename=None, embed_img=None, wm_shape=None, out_wm_name=None, mode='img'):
-        assert wm_shape is not None, 'wm_shape needed'
-
-        if filename is not None:
-            embed_img = cv2.imread(filename, flags=cv2.IMREAD_COLOR)
-            assert embed_img is not None, "{filename} not read".format(filename=filename)
-
-        self.wm_size = np.array(wm_shape).prod()
-
-        if mode in ('str', 'bit'):
-            wm_avg = self.bwm_core.extract_with_kmeans(img=embed_img, wm_shape=wm_shape)
-        else:
-            wm_avg = self.bwm_core.extract(img=embed_img, wm_shape=wm_shape)
-
-        # 解密：
-        wm = self.extract_decrypt(wm_avg=wm_avg)
-
-        # 转化为指定格式：
-        if mode == 'img':
-            wm = 255 * wm.reshape(wm_shape[0], wm_shape[1])
-            cv2.imwrite(out_wm_name, wm)
-        elif mode == 'str':
-            byte = ''.join(str((i >= 0.5) * 1) for i in wm)
-            print("Byte value:", byte)
-            wm = bytes.fromhex(hex(int(byte, base=2))[2:]).decode('utf-8', errors='replace')
-
-        return wm

blind_watermark/bwm_core.py

@@ -1,232 +0,0 @@
-#!/usr/bin/env python3
-# coding=utf-8
-# @Time    : 2021/12/17
-# @Author  : github.com/guofei9987
-import numpy as np
-from numpy.linalg import svd
-import copy
-import cv2
-from cv2 import dct, idct
-from pywt import dwt2, idwt2
-from .pool import AutoPool
-
-
-class WaterMarkCore:
-    def __init__(self, password_img=1, mode='common', processes=None):
-        self.block_shape = np.array([4, 4])
-        self.password_img = password_img
-        self.d1, self.d2 = 36, 20  # d1/d2 越大鲁棒性越强,但输出图片的失真越大
-
-        # init data
-        self.img, self.img_YUV = None, None  # self.img 是原图，self.img_YUV 对像素做了加白偶数化
-        self.ca, self.hvd, = [np.array([])] * 3, [np.array([])] * 3  # 每个通道 dct 的结果
-        self.ca_block = [np.array([])] * 3  # 每个 channel 存一个四维 array，代表四维分块后的结果
-        self.ca_part = [np.array([])] * 3  # 四维分块后，有时因不整除而少一部分，self.ca_part 是少这一部分的 self.ca
-
-        self.wm_size, self.block_num = 0, 0  # 水印的长度，原图片可插入信息的个数
-        self.pool = AutoPool(mode=mode, processes=processes)
-
-        self.fast_mode = False
-        self.alpha = None  # 用于处理透明图
-
-    def init_block_index(self):
-        self.block_num = self.ca_block_shape[0] * self.ca_block_shape[1]
-        assert self.wm_size < self.block_num, IndexError(
-            '最多可嵌入{}kb信息，多于水印的{}kb信息，溢出'.format(self.block_num / 1000, self.wm_size / 1000))
-        # self.part_shape 是取整后的ca二维大小,用于嵌入时忽略右边和下面对不齐的细条部分。
-        self.part_shape = self.ca_block_shape[:2] * self.block_shape
-        self.block_index = [(i, j) for i in range(self.ca_block_shape[0]) for j in range(self.ca_block_shape[1])]
-
-    def read_img_arr(self, img):
-        # 处理透明图
-        self.alpha = None
-        if img.shape[2] == 4:
-            if img[:, :, 3].min() < 255:
-                self.alpha = img[:, :, 3]
-                img = img[:, :, :3]
-
-        # 读入图片->YUV化->加白边使像素变偶数->四维分块
-        self.img = img.astype(np.float32)
-        self.img_shape = self.img.shape[:2]
-
-        # 如果不是偶数，那么补上白边，Y（明亮度）UV（颜色）
-        self.img_YUV = cv2.copyMakeBorder(cv2.cvtColor(self.img, cv2.COLOR_BGR2YUV),
-                                          0, self.img.shape[0] % 2, 0, self.img.shape[1] % 2,
-                                          cv2.BORDER_CONSTANT, value=(0, 0, 0))
-
-        self.ca_shape = [(i + 1) // 2 for i in self.img_shape]
-
-        self.ca_block_shape = (self.ca_shape[0] // self.block_shape[0], self.ca_shape[1] // self.block_shape[1],
-                               self.block_shape[0], self.block_shape[1])
-        strides = 4 * np.array([self.ca_shape[1] * self.block_shape[0], self.block_shape[1], self.ca_shape[1], 1])
-
-        for channel in range(3):
-            self.ca[channel], self.hvd[channel] = dwt2(self.img_YUV[:, :, channel], 'haar')
-            # 转为4维度
-            self.ca_block[channel] = np.lib.stride_tricks.as_strided(self.ca[channel].astype(np.float32),
-                                                                     self.ca_block_shape, strides)
-
-    def read_wm(self, wm_bit):
-        self.wm_bit = wm_bit
-        self.wm_size = wm_bit.size
-
-    def block_add_wm(self, arg):
-        if self.fast_mode:
-            return self.block_add_wm_fast(arg)
-        else:
-            return self.block_add_wm_slow(arg)
-
-    def block_add_wm_slow(self, arg):
-        block, shuffler, i = arg
-        # dct->(flatten->加密->逆flatten)->svd->打水印->逆svd->(flatten->解密->逆flatten)->逆dct
-        wm_1 = self.wm_bit[i % self.wm_size]
-        block_dct = dct(block)
-
-        # 加密（打乱顺序）
-        block_dct_shuffled = block_dct.flatten()[shuffler].reshape(self.block_shape)
-        u, s, v = svd(block_dct_shuffled)
-        s[0] = (s[0] // self.d1 + 1 / 4 + 1 / 2 * wm_1) * self.d1
-        if self.d2:
-            s[1] = (s[1] // self.d2 + 1 / 4 + 1 / 2 * wm_1) * self.d2
-
-        block_dct_flatten = np.dot(u, np.dot(np.diag(s), v)).flatten()
-        block_dct_flatten[shuffler] = block_dct_flatten.copy()
-        return idct(block_dct_flatten.reshape(self.block_shape))
-
-    def block_add_wm_fast(self, arg):
-        # dct->svd->打水印->逆svd->逆dct
-        block, shuffler, i = arg
-        wm_1 = self.wm_bit[i % self.wm_size]
-
-        u, s, v = svd(dct(block))
-        s[0] = (s[0] // self.d1 + 1 / 4 + 1 / 2 * wm_1) * self.d1
-
-        return idct(np.dot(u, np.dot(np.diag(s), v)))
-
-    def embed(self):
-        self.init_block_index()
-
-        embed_ca = copy.deepcopy(self.ca)
-        embed_YUV = [np.array([])] * 3
-
-        self.idx_shuffle = random_strategy1(self.password_img, self.block_num,
-                                            self.block_shape[0] * self.block_shape[1])
-        for channel in range(3):
-            tmp = self.pool.map(self.block_add_wm,
-                                [(self.ca_block[channel][self.block_index[i]], self.idx_shuffle[i], i)
-                                 for i in range(self.block_num)])
-
-            for i in range(self.block_num):
-                self.ca_block[channel][self.block_index[i]] = tmp[i]
-
-            # 4维分块变回2维
-            self.ca_part[channel] = np.concatenate(np.concatenate(self.ca_block[channel], 1), 1)
-            # 4维分块时右边和下边不能整除的长条保留，其余是主体部分，换成 embed 之后的频域的数据
-            embed_ca[channel][:self.part_shape[0], :self.part_shape[1]] = self.ca_part[channel]
-            # 逆变换回去
-            embed_YUV[channel] = idwt2((embed_ca[channel], self.hvd[channel]), "haar")
-
-        # 合并3通道
-        embed_img_YUV = np.stack(embed_YUV, axis=2)
-        # 之前如果不是2的整数，增加了白边，这里去除掉
-        embed_img_YUV = embed_img_YUV[:self.img_shape[0], :self.img_shape[1]]
-        embed_img = cv2.cvtColor(embed_img_YUV, cv2.COLOR_YUV2BGR)
-        embed_img = np.clip(embed_img, a_min=0, a_max=255)
-
-        if self.alpha is not None:
-            embed_img = cv2.merge([embed_img.astype(np.uint8), self.alpha])
-        return embed_img
-
-    def block_get_wm(self, args):
-        if self.fast_mode:
-            return self.block_get_wm_fast(args)
-        else:
-            return self.block_get_wm_slow(args)
-
-    def block_get_wm_slow(self, args):
-        block, shuffler = args
-        # dct->flatten->加密->逆flatten->svd->解水印
-        block_dct_shuffled = dct(block).flatten()[shuffler].reshape(self.block_shape)
-
-        u, s, v = svd(block_dct_shuffled)
-        wm = (s[0] % self.d1 > self.d1 / 2) * 1
-        if self.d2:
-            tmp = (s[1] % self.d2 > self.d2 / 2) * 1
-            wm = (wm * 3 + tmp * 1) / 4
-        return wm
-
-    def block_get_wm_fast(self, args):
-        block, shuffler = args
-        # dct->svd->解水印
-        u, s, v = svd(dct(block))
-        wm = (s[0] % self.d1 > self.d1 / 2) * 1
-
-        return wm
-
-    def extract_raw(self, img):
-        # 每个分块提取 1 bit 信息
-        self.read_img_arr(img=img)
-        self.init_block_index()
-
-        wm_block_bit = np.zeros(shape=(3, self.block_num))  # 3个channel，length 个分块提取的水印，全都记录下来
-
-        self.idx_shuffle = random_strategy1(seed=self.password_img,
-                                            size=self.block_num,
-                                            block_shape=self.block_shape[0] * self.block_shape[1],  # 16
-                                            )
-        for channel in range(3):
-            wm_block_bit[channel, :] = self.pool.map(self.block_get_wm,
-                                                     [(self.ca_block[channel][self.block_index[i]], self.idx_shuffle[i])
-                                                      for i in range(self.block_num)])
-        return wm_block_bit
-
-    def extract_avg(self, wm_block_bit):
-        # 对循环嵌入+3个 channel 求平均
-        wm_avg = np.zeros(shape=self.wm_size)
-        for i in range(self.wm_size):
-            wm_avg[i] = wm_block_bit[:, i::self.wm_size].mean()
-        return wm_avg
-
-    def extract(self, img, wm_shape):
-        self.wm_size = np.array(wm_shape).prod()
-
-        # 提取每个分块埋入的 bit：
-        wm_block_bit = self.extract_raw(img=img)
-        # 做平均：
-        wm_avg = self.extract_avg(wm_block_bit)
-        return wm_avg
-
-    def extract_with_kmeans(self, img, wm_shape):
-        wm_avg = self.extract(img=img, wm_shape=wm_shape)
-
-        return one_dim_kmeans(wm_avg)
-
-
-def one_dim_kmeans(inputs):
-    threshold = 0
-    e_tol = 10 ** (-6)
-    center = [inputs.min(), inputs.max()]  # 1. 初始化中心点
-    for i in range(300):
-        threshold = (center[0] + center[1]) / 2
-        is_class01 = inputs > threshold  # 2. 检查所有点与这k个点之间的距离，每个点归类到最近的中心
-        center = [inputs[~is_class01].mean(), inputs[is_class01].mean()]  # 3. 重新找中心点
-        if np.abs((center[0] + center[1]) / 2 - threshold) < e_tol:  # 4. 停止条件
-            threshold = (center[0] + center[1]) / 2
-            break
-
-    is_class01 = inputs > threshold
-    return is_class01
-
-
-def random_strategy1(seed, size, block_shape):
-    return np.random.RandomState(seed) \
-        .random(size=(size, block_shape)) \
-        .argsort(axis=1)
-
-
-def random_strategy2(seed, size, block_shape):
-    one_line = np.random.RandomState(seed) \
-        .random(size=(1, block_shape)) \
-        .argsort(axis=1)
-
-    return np.repeat(one_line, repeats=size, axis=0)

blind_watermark/cli_tools.py

@@ -1,53 +0,0 @@
-from optparse import OptionParser
-from .blind_watermark import WaterMark
-
-usage1 = 'blind_watermark --embed --pwd 1234 image.jpg "watermark text" embed.png'
-usage2 = 'blind_watermark --extract --pwd 1234 --wm_shape 111 embed.png'
-optParser = OptionParser(usage=usage1 + '\n' + usage2)
-
-optParser.add_option('--embed', dest='work_mode', action='store_const', const='embed'
-                     , help='Embed watermark into images')
-optParser.add_option('--extract', dest='work_mode', action='store_const', const='extract'
-                     , help='Extract watermark from images')
-
-optParser.add_option('-p', '--pwd', dest='password', help='password, like 1234')
-optParser.add_option('--wm_shape', dest='wm_shape', help='Watermark shape, like 120')
-
-(opts, args) = optParser.parse_args()
-
-
-def main():
-    bwm1 = WaterMark(password_img=int(opts.password))
-    if opts.work_mode == 'embed':
-        if not len(args) == 3:
-            print('Error! Usage: ')
-            print(usage1)
-            return
-        else:
-            bwm1.read_img(args[0])
-            bwm1.read_wm(args[1], mode='str')
-            bwm1.embed(args[2])
-            print('Embed succeed! to file ', args[2])
-            print('Put down watermark size:', len(bwm1.wm_bit))
-
-    if opts.work_mode == 'extract':
-        if not len(args) == 1:
-            print('Error! Usage: ')
-            print(usage2)
-            return
-
-        else:
-            wm_str = bwm1.extract(filename=args[0], wm_shape=int(opts.wm_shape), mode='str')
-            print('Extract succeed! watermark is:')
-            print(wm_str)
-
-
-'''
-python -m blind_watermark.cli_tools --embed --pwd 1234 examples/pic/ori_img.jpeg "watermark text" examples/output/embedded.png
-python -m blind_watermark.cli_tools --extract --pwd 1234 --wm_shape 111 examples/output/embedded.png
-
-
-cd examples
-blind_watermark --embed --pwd 1234 examples/pic/ori_img.jpeg "watermark text" examples/output/embedded.png
-blind_watermark --extract --pwd 1234 --wm_shape 111 examples/output/embedded.png
-'''

blind_watermark/pool.py

@@ -1,38 +0,0 @@
-import sys
-import multiprocessing
-import warnings
-
-if sys.platform != 'win32':
-    multiprocessing.set_start_method('fork')
-
-
-class CommonPool(object):
-    def map(self, func, args):
-        return list(map(func, args))
-
-
-class AutoPool(object):
-    def __init__(self, mode, processes):
-
-        if mode == 'multiprocessing' and sys.platform == 'win32':
-            warnings.warn('multiprocessing not support in windows, turning to multithreading')
-            mode = 'multithreading'
-
-        self.mode = mode
-        self.processes = processes
-
-        if mode == 'vectorization':
-            pass
-        elif mode == 'cached':
-            pass
-        elif mode == 'multithreading':
-            from multiprocessing.dummy import Pool as ThreadPool
-            self.pool = ThreadPool(processes=processes)
-        elif mode == 'multiprocessing':
-            from multiprocessing import Pool
-            self.pool = Pool(processes=processes)
-        else:  # common
-            self.pool = CommonPool()
-
-    def map(self, func, args):
-        return self.pool.map(func, args)

blind_watermark/recover.py

@@ -1,100 +0,0 @@
-import cv2
-import numpy as np
-
-import functools
-
-
-# 一个帮助缓存化加速的类，引入事实上的全局变量
-class MyValues:
-    def __init__(self):
-        self.idx = 0
-        self.image, self.template = None, None
-
-    def set_val(self, image, template):
-        self.idx += 1
-        self.image, self.template = image, template
-
-
-my_value = MyValues()
-
-
-@functools.lru_cache(maxsize=None, typed=False)
-def match_template(w, h, idx):
-    image, template = my_value.image, my_value.template
-    resized = cv2.resize(template, dsize=(w, h))
-    scores = cv2.matchTemplate(image, resized, cv2.TM_CCOEFF_NORMED)
-    ind = np.unravel_index(np.argmax(scores, axis=None), scores.shape)
-    return ind, scores[ind]
-
-
-def match_template_by_scale(scale):
-    image, template = my_value.image, my_value.template
-    w, h = round(template.shape[1] * scale), round(template.shape[0] * scale)
-    ind, score = match_template(w, h, idx=my_value.idx)
-    return ind, score, scale
-
-
-def search_template(scale=(0.5, 2), search_num=200):
-    image, template = my_value.image, my_value.template
-    # 局部暴力搜索算法，寻找最优的scale
-    tmp = []
-    min_scale, max_scale = scale
-
-    max_scale = min(max_scale, image.shape[0] / template.shape[0], image.shape[1] / template.shape[1])
-
-    max_idx = 0
-
-    for i in range(2):
-        for scale in np.linspace(min_scale, max_scale, search_num):
-            ind, score, scale = match_template_by_scale(scale)
-            tmp.append([ind, score, scale])
-
-        # 寻找最佳
-        max_idx = 0
-        max_score = 0
-        for idx, (ind, score, scale) in enumerate(tmp):
-            if score > max_score:
-                max_idx, max_score = idx, score
-
-        min_scale, max_scale = tmp[max(0, max_idx - 1)][2], tmp[min(len(tmp) - 1, max_idx + 1)][2]
-
-        search_num = 2 * int((max_scale - min_scale) * max(template.shape[1], template.shape[0])) + 1
-
-    return tmp[max_idx]
-
-
-def estimate_crop_parameters(original_file=None, template_file=None, ori_img=None, tem_img=None
-                             , scale=(0.5, 2), search_num=200):
-    # 推测攻击后的图片，在原图片中的位置、大小
-    if template_file:
-        tem_img = cv2.imread(template_file, cv2.IMREAD_GRAYSCALE)  # template image
-    if original_file:
-        ori_img = cv2.imread(original_file, cv2.IMREAD_GRAYSCALE)  # image
-
-    if scale[0] == scale[1] == 1:
-        # 不缩放
-        scale_infer = 1
-        scores = cv2.matchTemplate(ori_img, tem_img, cv2.TM_CCOEFF_NORMED)
-        ind = np.unravel_index(np.argmax(scores, axis=None), scores.shape)
-        ind, score = ind, scores[ind]
-    else:
-        my_value.set_val(image=ori_img, template=tem_img)
-        ind, score, scale_infer = search_template(scale=scale, search_num=search_num)
-    w, h = int(tem_img.shape[1] * scale_infer), int(tem_img.shape[0] * scale_infer)
-    x1, y1, x2, y2 = ind[1], ind[0], ind[1] + w, ind[0] + h
-    return (x1, y1, x2, y2), ori_img.shape, score, scale_infer
-
-
-def recover_crop(template_file=None, tem_img=None, output_file_name=None, loc=None, image_o_shape=None):
-    if template_file:
-        tem_img = cv2.imread(template_file)  # template image
-
-    (x1, y1, x2, y2) = loc
-
-    img_recovered = np.zeros((image_o_shape[0], image_o_shape[1], 3))
-
-    img_recovered[y1:y2, x1:x2, :] = cv2.resize(tem_img, dsize=(x2 - x1, y2 - y1))
-
-    if output_file_name:
-        cv2.imwrite(output_file_name, img_recovered)
-    return img_recovered

blind_watermark/version.py

@@ -1,22 +0,0 @@
-__version__ = '0.4.4'
-
-
-class Notes:
-    def __init__(self):
-        self.show = True
-
-    def print_notes(self):
-        if self.show:
-            print(f'''
-Welcome to use blind-watermark, version = {__version__}
-Make sure the version is the same when encode and decode
-Your star means a lot: https://github.com/guofei9987/blind_watermark
-This message only show once. To close it: `blind_watermark.bw_notes.close()`
-            ''')
-            self.close()
-
-    def close(self):
-        self.show = False
-
-
-bw_notes = Notes()