acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...
acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ... acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...
ANSI/NIST-ITL 1-2011 - UPDATE 2013 DRAFT VERSION99,999 for other record types. The minimum value is 10 pixels. 36 The total image size(HLL times VLL) must be able to be accommodated in Field xx.001 for Traditionalencoding. See Section 7.1.These are the HLL fields.Field 4.006: Horizontal line length / HLLField 8.006: Horizontal line length / HLLField 9.128: M1 horizontal line length /HLLField 10.006: Horizontal line length / HLLField 13.006: Horizontal line length / HLLField 14.006: Horizontal line length / HLLField 15.006: Horizontal line length / HLLField 16.006: Horizontal line length / HLLField 17.006: Horizontal line length / HLLField 19.006: Horizontal line length / HLLField 20.006: Horizontal line length / HLL7.7.8.2 Vertical line length / VLLVLL defines the number of [2013>e] vertical [
ANSI/NIST-ITL 1-2011 - UPDATE 2013 DRAFT VERSIONof 1 or 2, the transmitted horizontal and vertical scales shall be the same. A value of 1 or 2shall also be specified for latent friction ridge prints if the lifted latent print is transmitteddirectly from a scanner. If the latent print is contained in a photograph, a value of 1 or 2shall be entered only if the image of the latent was captured with a scale measurementvisible in the image and the pixels across an inch or centimeter can be calculated – given theknown characteristics of the camera and its distance from the latent print. A value of 0 for alatent print indicates that the true ppi value of the image is not known.For non-contact images of body parts, SLC shall be set to 0 unless the object being imagedis a fixed distance from the capture device and the ppi or ppmm values for the capturedevice are accurately known at that fixed distance. (An example might be an iris capturedevice with a very small effective capture zone).These are the SLC fields.Field 9.130: M1 scale units / SLCField 10.008: Scale units / SLCField 13.008: Scale units / SLCField 14.008: Scale units / SLCField 15.008: Scale units / SLCField 16.008: Scale units / SLCField 17.008: Scale units / SLCField 19.008: Scale units / SLCField 20.008: Scale units / SLC7.7.8.4 Transmitted horizontal pixel scale / THPSThis is the integer pixel density used in the horizontal direction of the image if SLC has avalue of “1” or “2”. If SLC has a value of “0”, this [2013e>] field [] When using certain formats, such as PNG, conversion from ppm (or or otherscales) may result in a decimal value. Since these fields require integer values, roundingup should be used. For example with the values 1.3, 1.5 and 1.8 the resulting THPSvalues would be 1, 2, and 2. [
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ANSI/<strong>NIST</strong>-ITL 1-<strong>2011</strong> - UPDATE 2013 DRAFT VERSION99,999 <strong>for</strong> other record types. The minimum value is 10 pixels. 36 The total image size(HLL times VLL) must be able to be accommodated in Field xx.001 <strong>for</strong> Traditionalencoding. See Section 7.1.These are the HLL fields.Field 4.006: Horizontal line length / HLLField 8.006: Horizontal line length / HLLField 9.128: M1 horizontal line length /HLLField 10.006: Horizontal line length / HLLField 13.006: Horizontal line length / HLLField 14.006: Horizontal line length / HLLField 15.006: Horizontal line length / HLLField 16.006: Horizontal line length / HLLField 17.006: Horizontal line length / HLLField 19.006: Horizontal line length / HLLField 20.006: Horizontal line length / HLL7.7.8.2 Vertical line length / VLLVLL defines the number of [2013>e] vertical [
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