Esempio n. 1
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    def warp_patch(self, ng_path, z, bbox, res_mip_range, mip):
        influence_bbox = deepcopy(bbox)
        influence_bbox.uncrop(self.max_displacement, mip=0)

        agg_flow = influence_bbox.identity(mip=mip)
        agg_flow = np.expand_dims(agg_flow, axis=0)
        agg_res = data_handler.get_aggregate_rel_flow(
            z, influence_bbox, res_mip_range, mip, self.process_low_mip,
            self.process_high_mip, self.x_res_ng_paths, self.y_res_ng_paths)
        agg_flow += agg_res

        raw_data = data_handler.get_image_data(ng_path, z, influence_bbox, mip)
        #no need to warp if flow is identity
        #warp introduces noise
        if not influence_bbox.is_identity_flow(agg_flow, mip=mip):
            warped = warp(raw_data, agg_flow)
        else:
            #print ("not warping")
            warped = raw_data[0]

        mip_disp = int(self.max_displacement / 2**mip)
        cropped = crop(warped, mip_disp)
        result = data_handler.preprocess_data(cropped * 256)
        #preprocess divides by 256 and puts it into right dimensions
        #this data range is good already, so mult by 256
        data_handler.save_image_patch(self.dst_ng_path, result, z, bbox, mip)
Esempio n. 2
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 def chunkwise(patch_bbox):
     print("Downsampling {} to mip {}".format(
         patch_bbox.__str__(mip=0), m))
     downsampled_patch = self.downsample_patch(
         self.dst_ng_path, z, patch_bbox, m)
     data_handler.save_image_patch(self.dst_ng_path,
                                   downsampled_patch, z,
                                   patch_bbox, m)
Esempio n. 3
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 def chunkwise(patch_bbox):
     downsampled_patch = self.downsample_patch(self.dst_ng_path, z,
                                               patch_bbox, mip)
     data_handler.save_image_patch(self.dst_ng_path, downsampled_patch,
                                   z, patch_bbox, mip)
Esempio n. 4
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 def chunkwise(patch_bbox):
     raw_patch = data_handler.get_image_data(source, z, patch_bbox, mip)
     data_handler.save_image_patch(dest, raw_patch, z, patch_bbox, mip)