コード例 #1
0
def fix_SOPReferencedMacro(ds: Dataset,
                           log: list,
                           suggested_SOPClassUID: dict = {}):
    kw = 'ReferencedStudySequence'
    tg = tag_for_keyword(kw)
    if tg not in ds:
        return
    val = ds[tg].value
    if len(val) == 0:
        del ds[tg]
        return
    i = 0

    while i < len(val):
        item = val[i]
        msg = ErrorInfo()
        if 'ReferencedSOPInstanceUID' not in item:
            msg.msg = 'General Fix - item {}/{} <ReferencedStudySequence>'\
                ' lacks <ReferencedSOPInstanceUID> attribute'.format(i + 1, len(val))
            msg.fix = 'fixed by removint the item'
            log.append(msg.getWholeMessage())
            val.pop(i)
            continue
        if item['ReferencedSOPInstanceUID'].is_empty:
            msg.msg = 'General Fix - item {}/{} <ReferencedStudySequence>'\
                ' holds an empty <ReferencedSOPInstanceUID> attribute'.format(i + 1, len(val))
            msg.fix = 'fixed by removint the item'
            log.append(msg.getWholeMessage())
            val.pop(i)
            continue
        if 'ReferencedSOPClassUID' not in item or\
                item['ReferencedSOPClassUID'].is_empty:
            uid = item['ReferencedSOPInstanceUID'].value
            msg.msg = 'General Fix - item {}/{} <ReferencedStudySequence>'\
                ' lacks <ReferencedSOPClassUID> attribute'.format(i + 1, len(val))
            if uid not in suggested_SOPClassUID:
                msg.fix = 'fixed by removint the item'
                log.append(msg.getWholeMessage())
                val.pop(i)
                continue
            else:
                msg.fix = 'fixed by querying the attribute '\
                    'ReferencedSOPClassUID filling it with {}'.format(
                        suggested_SOPClassUID[uid]
                    )
                log.append(msg.getWholeMessage())
                item['ReferencedSOPClassUID'].value = suggested_SOPClassUID[
                    uid]
        i += 1
    if len(val) == 0:
        msg = ErrorInfo()
        msg.msg = 'General Fix - Attribute <{}> is empty '.format(kw)
        msg.fix = 'fixed by removint the attribute'
        log.append(msg.getWholeMessage())
        del ds[tg]
    return
コード例 #2
0
def add_anatomy(ds: Dataset,
                BodyPartExamined_value: str,
                AnatomicRegionSequence_value: tuple,
                log: list,
                check_consistency: bool = True):
    bpe = tag_for_keyword('BodyPartExamined')
    ars = tag_for_keyword('AnatomicRegionSequence')
    old_bpe, old_ars = get_old_anatomy(ds)
    if old_bpe is None:
        if check_consistency:
            new_bpe, new_ars = \
                CorrectAnatomicInfo(
                    BodyPartExamined_value, AnatomicRegionSequence_value)
        else:
            new_bpe, new_ars = (BodyPartExamined_value,
                                AnatomicRegionSequence_value)
    else:
        new_bpe, new_ars = CorrectAnatomicInfo(old_bpe, old_ars)

    if old_bpe != new_bpe and new_bpe is not None:
        bpe_a = DataElementX(bpe, dictionary_VR(bpe), new_bpe)
        old_bpe_txt = old_bpe if bpe not in ds else ds[bpe].value
        ds[bpe] = bpe_a
        msg = ErrorInfo()
        msg.msg = 'General Fix - {}'.format("<BodyPartExamined> is absent")
        msg.fix = "fixed by setting the <BodyPartExamined>"\
            "from {} to '{}'".format(old_bpe_txt, new_bpe)
        log.append(msg.getWholeMessage())
    if is_accurate_code_seq(new_ars) and not is_code_equal(old_ars, new_ars):
        code_value, code_meaning, coding_scheme_designator = new_ars
        if ars in ds:
            old_item_text = subfix_CodeSeqItem2txt(ds[ars], 0)
        else:
            old_item_text = 'None'
        new_item = CodeSeqItemGenerator(str(code_value), code_meaning,
                                        coding_scheme_designator)
        ars_a = DataElementX(ars, 'SQ', DicomSequence([
            new_item,
        ]))
        ds[ars] = ars_a
        msg = ErrorInfo()
        msg.msg = 'General Fix - {}'.format(
            "<AnatomicRegionSequence> is absent")
        msg.fix = "fixed by setting the <AnatomicRegionSequence>"\
            "from {} to '{}'".format(
                old_item_text,
                subfix_CodeSeqItem2txt(ars_a, 0))
        log.append(msg.getWholeMessage())
    AddLaterality(ds, log)
コード例 #3
0
def AddLaterality(ds: Dataset, log: list):
    needlaterality = checkLaterality(ds, 0, ds)
    old_laterality = None if "Laterality" not in ds else ds['Laterality'].value
    AddImageLateralityForBoth = False
    if needlaterality:
        if old_laterality is None:
            AddImageLateralityForBoth = True
        if old_laterality is not None:
            if old_laterality not in ['L', 'R']:
                if old_laterality.lower() == 'left':
                    new_laterality = 'L'
                elif old_laterality.lower() == 'right':
                    new_laterality = 'R'
                else:
                    new_laterality = None
                if new_laterality is not None:
                    msg = ErrorInfo()
                    msg.msg = 'General Fix - {}'.format(
                        "<Laterality> holds wrong value")
                    msg.fix = "fixed by setting the <Laterality>"\
                        "from {} to '{}'".format(old_laterality, new_laterality)
                    log.append(msg.getWholeMessage())
                    ds['Laterlaity'].value = new_laterality
                    return
                else:
                    AddImageLateralityForBoth = True
            else:
                return
    elif 'Laterality' in ds:
        del ds['Laterality']
コード例 #4
0
def generalfix_AddPresentationLUTShape(ds: Dataset, log: list) -> bool:
    fixed = False
    photo_in_tg = tag_for_keyword('PhotometricInterpretation')
    if photo_in_tg not in ds:
        return fixed
    photo_in_v = ds[photo_in_tg].value
    pres_lut_shape_tg = tag_for_keyword('PresentationLUTShape')
    if pres_lut_shape_tg in ds:
        pres_lut_shape_a = ds[pres_lut_shape_tg]
    else:
        pres_lut_shape_a = DataElementX(pres_lut_shape_tg,
                                        dictionary_VR(pres_lut_shape_tg), '')
    old_pls = pres_lut_shape_a.value
    if photo_in_v == 'MONOCHROME2' and old_pls != 'IDENTITY':
        new_pls = 'IDENTITY'
        pres_lut_shape_a.value = new_pls
        fixed = True
    elif photo_in_v == 'MONOCHROME1' and old_pls != 'INVERSE':
        new_pls = 'INVERSE'
        pres_lut_shape_a.value = new_pls
        fixed = True
    if fixed:
        ds[pres_lut_shape_tg] = pres_lut_shape_a
        msg = ErrorInfo()
        msg.msg = 'General Fix - {}'.format(
            "<PresentationLUTShape> is wrong or absent")
        msg.fix = "fixed by setting the <PresentationLUTShape>"\
            " from '{}' to '{}'".format(old_pls, new_pls)
        log.append(msg.getWholeMessage())
    return fixed
コード例 #5
0
def generalfix_CheckAndFixModality(ds: Dataset, log: list) -> bool:
    fixed = False
    modality_sop = {
        CTImageStorageSOPClassUID: 'CT',
        MRImageStorageSOPClassUID: 'MR',
        PETImageStorageSOPClassUID: 'PT',
    }
    if 'SOPClassUID' in ds:
        sop_class = ds['SOPClassUID'].value
    else:
        return False
    if sop_class not in modality_sop:
        return False
    mod_tg = tag_for_keyword('Modality')
    if mod_tg in ds:
        modality = ds[mod_tg].value
    else:
        modality = ''
    if modality == '' or modality != modality_sop[sop_class]:
        ds[mod_tg] = DataElementX(mod_tg, dictionary_VR(mod_tg),
                                  modality_sop[sop_class])
        msg = ErrorInfo()
        msg.msg = 'General Fix - {}'.format("<Modality> is wrong or absent")
        msg.fix = "fixed by reading the <SOPClassUID> and setting <Modality>"\
            " from '{}' to '{}'".format(modality, modality_sop[sop_class])
        log.append(msg.getWholeMessage())
        fixed = True
    return fixed
コード例 #6
0
def generalfix_RemoveUnwanterPixelAspctRatio(ds: Dataset, log: list) -> bool:
    fixed = False
    kw = "PixelAspectRatio"
    is_one_to_one = False
    if kw in ds:
        elem = ds[kw]
        if type(elem) == MultiValue:
            if len(elem) == 2:
                is_one_to_one = (elem.value[0] == elem.value[2])
        if (Condition_UnwantedPixelAspectRatioWhenPixelSpacingPresent(
                ds, ds, ds
        ) or Condition_UnwantedPixelAspectRatioWhenImagerPixelSpacingPresent(
                ds, ds, ds
        ) or Condition_UnwantedPixelAspectRatioWhenNominalScannedPixelSpacingPresent(
                ds, ds, ds
        ) or Condition_UnwantedPixelAspectRatioWhenSharedPixelMeasuresMacro(
                ds, ds, ds
        ) or Condition_UnwantedPixelAspectRatioWhenPerFramePixelMeasuresMacro(
                ds, ds, ds) or
                Condition_UnwantedPixelAspectRatioWhenMPEG2MPHLTransferSyntax(
                    ds, ds, ds) or is_one_to_one):
            msg = ErrorInfo()
            msg.msg = '{} Error - {}'.format(
                ErrorType.BadValue.value,
                "<PixelAspectRatio> is 1:1 or redundant")
            msg.fix = "fixed by removing the attribute"
            log.append(msg.getWholeMessage())
            del ds["PixelAspectRatio"]
            fixed = True
    return fixed