1. An exterior rear view mirror assembly for mounting on a motor vehicle, said mirror assembly comprising:
a housing having an upper wall portion, a lower wall portion, a forwardly facing wall portion and inner and outer wall portion cooperating to define a generally enclosed area open at a rearwardly facing portion thereof;
a mirror movably positioned within said open rearwardly facing portion thereof;
a recessed portion provided in said housing, said housing, said recessed portion extending over at least a part of said upper, forwardly facing and outer wall portions;
a wiring harness including a connector disposed is part within said housing, said wiring harness being adapted to be connected to a turn signal circuit of said motor vehicle;
an opening provided in said recessed portion of said outer wall portion, said connector being accessible through said opening;
a decorative cover member received within said substantially covering said recessed portion, said cover member including:
a light housing, said light housing including a lens forming a continuation of the outer surface of said decorative cover member,
a light source supported within said light housing, said light source being coupled to said connector whereby said light may be actuated in response to actuation of said turn signal circuit of said motor vehicle.
2. An exterior rear view mirror assembly as set forth in claim 1 wherein said light source includes a pair of electrically conductive prongs projecting outwardly of said light housing, said prongs being connectable to said connector upon assembly of said decorative cover member to said housing.
3. An exterior rear view mirror assembly as set forth in claim 1 wherein said tight housing is fixedly secured to a portion of said decorative cover member overlying said outer wall portion.
4. An exterior rear view mirror assembly as set forth in claim 1 wherein said light housing includes a surface operative to direct light from said light source to said lens.
5. An exterior rear view mirror assembly as set forth in claim 1 wherein said lens is operative to direct light outwardly from said outer wall portion in a direction to be visible by other motor vehicles following and traveling alongside side motor vehicle.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of artifact correction in a data set of an object of interest, the method comprising the step of: reconstructing an image of the object of interest on the basis of the data set; wherein a statistical weighing is performed during reconstruction of the image.
2. The method according to claim 1, wherein the data set is a projection data set acquired by means of a source of electromagnetic radiation generating a beam and by means of a radiation detector detecting the beam.
3. The method according to claim 2, wherein the source of electromagnetic radiation is a polychromatic x-ray source; wherein the source moves along a helical path around the object of interest; and wherein the beam has one of a cone beam geometry and a fan beam geometry.
4. The method according to claim 1, wherein the reconstruction of the image is performed on the basis of an iterative algorithm comprising a plurality of update steps until an end criterion has been fulfilled.
5. The method according to claim 4, wherein the iterative algorithm is a maximum likelihood algorithm; wherein the reconstructed image has the highest likelihood; and wherein the weighing is performed in each update step of the plurality of update steps.
6. The method according to claim 2, further comprising the step of: determining a number of detected photons during acquisition of the data set; wherein the weighing is based on a statistical error of the number of detected photons.
7. The method according to claim 5, further comprising the step of: determining a number of detected photons Yi during acquisition of the data set; wherein the weighing is based on a statistical error \u03c3Yi of the number of detected photons Yi; wherein an update of an attenuation parameter \u03bcjn+1 is calculated from the attenuation parameter \u03bbjn by
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wherein di is a number of photons emitted by the source of radiation;
wherein lij is a basis function of an i-th projection;
wherein li is a vector of basis functions lij of the i-th projection; and
wherein <li,\u03bc>=\u03a3jlij\u03bcj is an inner product.
8. The method according to claim 2, wherein the reconstruction of the image is based on a sub-set of at least two projections of all acquired projections of the projection data set.
9. A data processing device, comprising: a memory for storing a data set of an object of interest; a data processor for performing artifact correction in the data set of the object of interest, wherein the data processor is adapted for performing the following operation: loading the data set; reconstructing an image of the object of interest on the basis of the data set; wherein a statistical weighing is performed during reconstruction of the image.
10. The data processing device according to claim 9, wherein the reconstruction of the image is performed on the basis of an iterative algorithm comprising a plurality of update steps until an end criterion has been fulfilled; wherein the iterative algorithm is a maximum likelihood algorithm; wherein the reconstructed image has the highest likelihood; and wherein the weighing is performed in each update step of the plurality of update steps.
11. A CT scanner system, comprising: a memory for storing a data set of an object of interest; a data processor for performing artifact correction in the data set of the object of interest, wherein the data processor is adapted for performing the following operation: loading the data set; reconstructing an image of the object of interest on the basis of the data set; wherein a statistical weighing is performed during reconstruction of the image.
12. A computer program for performing artifact correction in a data set of an object of interest, wherein the computer program causes a processor to perform the following operation when the computer program is executed on the processor: loading the data set; reconstructing an image of the object of interest on the basis of the data set; wherein a statistical weighing is performed during reconstruction of the image.