Best Python code snippet using Airtest
keypoint_base.py
Source:keypoint_base.py
...139 pts_sch1 = int(kp_sch[good[0].queryIdx].pt[0]), int(kp_sch[good[0].queryIdx].pt[1])140 pts_sch2 = int(kp_sch[good[1].queryIdx].pt[0]), int(kp_sch[good[1].queryIdx].pt[1])141 pts_src1 = int(kp_src[good[0].trainIdx].pt[0]), int(kp_src[good[0].trainIdx].pt[1])142 pts_src2 = int(kp_src[good[1].trainIdx].pt[0]), int(kp_src[good[1].trainIdx].pt[1])143 return self._get_origin_result_with_two_points(pts_sch1, pts_sch2, pts_src1, pts_src2)144 def _handle_three_good_points(self, kp_sch, kp_src, good):145 """å¤çä¸å¯¹ç¹å¾ç¹çæ
åµ."""146 # æ¿åºschåsrcç两个ç¹(ç¹1)å(ç¹2ç¹3çä¸ç¹)ï¼147 # ç¶åæ ¹æ®ä¸¤ä¸ªç¹ååè¿è¡åå¤ç(注æke_schåkp_src以åqueryIdxåtrainIdx):148 pts_sch1 = int(kp_sch[good[0].queryIdx].pt[0]), int(kp_sch[good[0].queryIdx].pt[1])149 pts_sch2 = int((kp_sch[good[1].queryIdx].pt[0] + kp_sch[good[2].queryIdx].pt[0]) / 2), int(150 (kp_sch[good[1].queryIdx].pt[1] + kp_sch[good[2].queryIdx].pt[1]) / 2)151 pts_src1 = int(kp_src[good[0].trainIdx].pt[0]), int(kp_src[good[0].trainIdx].pt[1])152 pts_src2 = int((kp_src[good[1].trainIdx].pt[0] + kp_src[good[2].trainIdx].pt[0]) / 2), int(153 (kp_src[good[1].trainIdx].pt[1] + kp_src[good[2].trainIdx].pt[1]) / 2)154 return self._get_origin_result_with_two_points(pts_sch1, pts_sch2, pts_src1, pts_src2)155 def _many_good_pts(self, kp_sch, kp_src, good):156 """ç¹å¾ç¹å¹é
ç¹å¯¹æ°ç®>=4个ï¼å¯ä½¿ç¨åç©éµæ å°,æ±åºè¯å«çç®æ åºå."""157 sch_pts, img_pts = np.float32([kp_sch[m.queryIdx].pt for m in good]).reshape(158 -1, 1, 2), np.float32([kp_src[m.trainIdx].pt for m in good]).reshape(-1, 1, 2)159 # Mæ¯è½¬åç©éµ160 M, mask = self._find_homography(sch_pts, img_pts)161 matches_mask = mask.ravel().tolist()162 # ä»goodä¸é´çéåºæ´ç²¾ç¡®çç¹(å设goodä¸å¤§é¨åç¹ä¸ºæ£ç¡®çï¼ç±ratio=0.7ä¿é)163 selected = [v for k, v in enumerate(good) if matches_mask[k]]164 # é对ææçselectedç¹å次计ç®åºæ´ç²¾ç¡®ç转åç©éµMæ¥165 sch_pts, img_pts = np.float32([kp_sch[m.queryIdx].pt for m in selected]).reshape(166 -1, 1, 2), np.float32([kp_src[m.trainIdx].pt for m in selected]).reshape(-1, 1, 2)167 M, mask = self._find_homography(sch_pts, img_pts)168 # 计ç®å个è§ç©éµåæ¢åçåæ ï¼ä¹å°±æ¯å¨å¤§å¾ä¸çç®æ åºåç顶ç¹åæ :169 h, w = self.im_search.shape[:2]170 h_s, w_s = self.im_source.shape[:2]171 pts = np.float32([[0, 0], [0, h - 1], [w - 1, h - 1], [w - 1, 0]]).reshape(-1, 1, 2)172 dst = cv2.perspectiveTransform(pts, M)173 # trans numpy arrary to python list: [(a, b), (a1, b1), ...]174 def cal_rect_pts(dst):175 return [tuple(npt[0]) for npt in dst.astype(int).tolist()]176 pypts = cal_rect_pts(dst)177 # 注æï¼è½ç¶4个è§ç¹æå¯è½è¶åºsourceå¾è¾¹çï¼ä½æ¯(æ ¹æ®ç²¾ç¡®åæ å°åæ å°ç©éµM线æ§æºå¶)ä¸ç¹ä¸ä¼è¶åºè¾¹ç178 lt, br = pypts[0], pypts[2]179 middle_point = int((lt[0] + br[0]) / 2), int((lt[1] + br[1]) / 2)180 # èèå°ç®åºçç®æ ç©éµæå¯è½æ¯ç¿»è½¬çæ
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é¡»è¿è¡ä¸æ¬¡å¤çï¼ç¡®ä¿æ å°åçâå·¦ä¸è§âå¨å¾çä¸ä¹æ¯å·¦ä¸è§ç¹ï¼181 x_min, x_max = min(lt[0], br[0]), max(lt[0], br[0])182 y_min, y_max = min(lt[1], br[1]), max(lt[1], br[1])183 # æéåºç®æ ç©å½¢åºåå¯è½ä¼æè¶çæ
åµï¼è¶çæ¶ç´æ¥å°å
¶ç½®ä¸ºè¾¹çï¼184 # è¶
åºå·¦è¾¹çå0ï¼è¶
åºå³è¾¹çåw_s-1ï¼è¶
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åºä¸è¾¹çåh_s-1185 # å½x_minå°äº0æ¶ï¼å0ã x_maxå°äº0æ¶ï¼å0ã186 x_min, x_max = int(max(x_min, 0)), int(max(x_max, 0))187 # å½x_min大äºw_sæ¶ï¼åå¼w_s-1ã x_max大äºw_s-1æ¶ï¼åw_s-1ã188 x_min, x_max = int(min(x_min, w_s - 1)), int(min(x_max, w_s - 1))189 # å½y_minå°äº0æ¶ï¼å0ã y_maxå°äº0æ¶ï¼å0ã190 y_min, y_max = int(max(y_min, 0)), int(max(y_max, 0))191 # å½y_min大äºh_sæ¶ï¼åå¼h_s-1ã y_max大äºh_s-1æ¶ï¼åh_s-1ã192 y_min, y_max = int(min(y_min, h_s - 1)), int(min(y_max, h_s - 1))193 # ç®æ åºåçè§ç¹ï¼æå·¦ä¸ãå·¦ä¸ãå³ä¸ãå³ä¸ç¹åºï¼(x_min,y_min)(x_min,y_max)(x_max,y_max)(x_max,y_min)194 pts = np.float32([[x_min, y_min], [x_min, y_max], [195 x_max, y_max], [x_max, y_min]]).reshape(-1, 1, 2)196 pypts = cal_rect_pts(pts)197 return middle_point, pypts, [x_min, x_max, y_min, y_max, w, h]198 def _get_origin_result_with_two_points(self, pts_sch1, pts_sch2, pts_src1, pts_src2):199 """è¿å两对ææå¹é
ç¹å¾ç¹æ
å½¢ä¸çè¯å«ç»æ."""200 # å
ç®åºä¸å¿ç¹(å¨self.im_sourceä¸çåæ )ï¼201 middle_point = [int((pts_src1[0] + pts_src2[0]) / 2), int((pts_src1[1] + pts_src2[1]) / 2)]202 pypts = []203 # å¦æç¹å¾ç¹åxè½´æåyè½´(æ 论srcè¿æ¯schä¸)ï¼åä¸è½è®¡ç®åºç®æ ç©å½¢åºåæ¥ï¼æ¤æ¶è¿åå¼ågood=1æ
å½¢204 if pts_sch1[0] == pts_sch2[0] or pts_sch1[1] == pts_sch2[1] or pts_src1[0] == pts_src2[0] or pts_src1[1] == pts_src2[1]:205 return None206 # 计ç®x,yè½´ç缩æ¾æ¯ä¾ï¼x_scaleãy_scaleï¼ä»middleç¹æ©å¼ åºç®æ åºå:(注ææ´æ°è®¡ç®è¦è½¬ææµ®ç¹æ°ç»æ!)207 h, w = self.im_search.shape[:2]208 h_s, w_s = self.im_source.shape[:2]209 x_scale = abs(1.0 * (pts_src2[0] - pts_src1[0]) / (pts_sch2[0] - pts_sch1[0]))210 y_scale = abs(1.0 * (pts_src2[1] - pts_src1[1]) / (pts_sch2[1] - pts_sch1[1]))211 # å¾å°scaleåéè¦å¯¹middle_pointè¿è¡æ ¡æ£ï¼å¹¶éç¹å¾ç¹ä¸ç¹ï¼èæ¯æ å°ç©éµçä¸ç¹ã212 sch_middle_point = int((pts_sch1[0] + pts_sch2[0]) / 2), int((pts_sch1[1] + pts_sch2[1]) / 2)...
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