Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | 40x 40x 8x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x | import { getFirstNumberValue } from './getFirstNumberValue';
import getSequenceItems from './getSequenceItems';
/**
* This function retrieves the ultrasound regions from the provided metadata.
* @param metadata - The metadata from which to retrieve the ultrasound regions.
* @returns An array of ultrasound regions, or null if no regions are found.
*/
function getUSEnhancedRegions(metadata) {
const sequenceOfUltrasoundRegions = getSequenceItems(metadata['00186011']);
if (!sequenceOfUltrasoundRegions || !sequenceOfUltrasoundRegions.length) {
return null;
}
const regions = sequenceOfUltrasoundRegions.map((sequence) => {
const physicalDeltaX = getFirstNumberValue(sequence, '0018602C');
const physicalDeltaY = getFirstNumberValue(sequence, '0018602E');
const physicalUnitsXDirection = getFirstNumberValue(sequence, '00186024');
const physicalUnitsYDirection = getFirstNumberValue(sequence, '00186026');
const regionLocationMinY0 = getFirstNumberValue(sequence, '0018601A');
const regionLocationMaxY1 = getFirstNumberValue(sequence, '0018601E');
const regionLocationMinX0 = getFirstNumberValue(sequence, '00186018');
const regionLocationMaxX1 = getFirstNumberValue(sequence, '0018601C');
const referencePixelX0 = getFirstNumberValue(sequence, '00186020');
const referencePixelY0 = getFirstNumberValue(sequence, '00186022');
const referencePhysicalPixelValueY = getFirstNumberValue(
sequence,
'0018602A'
);
const referencePhysicalPixelValueX = getFirstNumberValue(
sequence,
'00186028'
);
const regionSpatialFormat = getFirstNumberValue(sequence, '00186012');
const regionDataType = getFirstNumberValue(sequence, '00186014');
const regionFlags = getFirstNumberValue(sequence, '00186016');
const transducerFrequency = getFirstNumberValue(sequence, '00186030');
return {
regionLocationMinY0,
regionLocationMaxY1,
regionLocationMinX0,
regionLocationMaxX1,
referencePixelX0,
referencePixelY0,
physicalDeltaX,
physicalDeltaY,
physicalUnitsXDirection,
physicalUnitsYDirection,
referencePhysicalPixelValueY,
referencePhysicalPixelValueX,
regionSpatialFormat,
regionDataType,
regionFlags,
transducerFrequency,
};
});
return regions;
}
export { getUSEnhancedRegions };
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