Abstract: Systems and methods for continuous monitoring of the behavior of animals, such as small rodents, are provided. Monitoring can include video, audio, and other sensor modalities. In one embodiment, the system can include cameras, arena design, environmental sensors, and ultrasonic sensors. The system uniquely provides a continuous long-term monitoring system suitable for mouse behavioral study. Further provided is a neural network based tracker configured for use with video data acquired by the monitoring system. Three different neural network architectures have been tested to determine their performance on genetically diverse mice under varying environmental conditions. It has been observed that that an encoder-decoder segmentation neural network achieves high accuracy and speed with minimal training data.

Abstract: A photographic film is formed by combining panchromatic black and white emulsion with a color filter array to produce a full color image using only black and white film and processing.

Abstract: A battery pack includes an outer housing including a plurality of walls, at least one battery cell enclosed within the plurality of walls, a vent system disposed in at least one of the plurality of walls, and a disk provided between the cover and the valve. The vent system includes a carrier plate, an annular ring extending from the carrier plate and defining a lumen, a valve disposed in the lumen, and a cover attached to the carrier plate.

Abstract: A silver halide photosensitive material comprising at least one blue-sensitive layer, at least one green-sensitive layer and at least one red-sensitive layer on a transparent support, wherein a peak wavelength of spectral sensitivity of at least one of the green-sensitive layer is in the range of ?10 nm or more and +10 nm or less in comparison with a peak wavelength of a green light source for exposure.

Abstract: The invention provides a color photographic element comprising at least one light-sensitive silver halide emulsion layer or a non silver-containing light-insensitive layer, in which at least one of these layers contains a colorless imidazole compound of formula (I) that undergoes less than 10% chemical or redox reaction with oxidized developer and which enables the photographic speed of the element to be increased by at least 0.

Abstract: A silver halide color photosensitive material comprising a support and, superimposed thereon, at least one blue-sensitive silver halide emulsion layer, green-sensitive silver halide emulsion layer and red-sensitive silver halide emulsion layer, wherein (i) the specified speed of the photosensitive material is 350 or higher, (ii) the coating amount of silver in the photosensitive material is 7 g/m2 or less, and (iii) any of the color-sensitive silver halide emulsion layers is composed of two or more silver halide emulsion layers of different photographic speeds, of which the silver halide emulsion layer with the highest photographic speed contains tabular silver halide grains of 8 or greater aspect ratio in a ratio of 70% or more based on the total projected area and regular-crystal silver halide grains of 0.1 to 0.5 ?m equivalent sphere diameter in a ratio of 0.5 to 5% based on the total projected area.

Abstract: A radiographic imaging assembly comprises a symmetric radiographic silver halide film has an overall system speed of at least 200 but less than 800 to provide images with improved contrast and sharpness and reduced fog. The imaging assembly includes a symmetric radiographic silver halide film having a speed of at least 700 that includes two silver halide emulsions on both sides of the support that comprise tabular silver halide grains. The emulsions closer to the support comprise a suitable crossover control agent. The imaging assembly also includes a pair of phosphor intensifying screens that have a screen sharpness measurement (SSM) greater than reference Curve A of FIG. 4. The screens can have a support that includes a reflective substrate comprising a continuous polyester phase and microvoids containing inorganic particles dispersed within the polyester phase.

Abstract: A high-speed (over 700) radiographic silver halide film is useful for radiography to provide images with improved contrast and sharpness and reduced fog. The film includes at least one tabular grain silver halide emulsion layer on each side of a film support which grains are dispersed in a hydrophilic polymeric vehicle mixture comprising at least 0.05% of oxidized gelatin, based on the total dry weight of the hydrophilic polymeric vehicle mixture. Where multiple silver halide emulsion layers are disposed on each side of the film support, the emulsion layers closest to the support on each side can include crossover control agents to reduce crossover to less than 15%.

Abstract: An ultra-high-speed radiographic imaging assembly (at least 900 system speed) is useful especially for pediatric radiography to provide images with improved contrast and sharpness and reduced fog. The imaging assembly includes a symmetric film having a speed of at least 400 that includes at least two silver halide emulsion layers on each side of a film support that comprise tabular silver halide grains. The imaging assembly also includes two fluorescent intensifying screens wherein the pair of screens has a screen speed of at least 400 and the screens have an average screen sharpness measurement (SSM) value greater than reference Curve A of FIG. 4. The screens can have a support that includes a reflective substrate comprising a continuous polyester phase and microvoids containing inorganic particles dispersed within the polyester phase.

Abstract: A method of mammography imaging includes exposing a patient to a peak voltage greater than 29 kVp. The film used in this method comprises a cubic grain silver halide emulsion layer on one side of the support and a tabular grain silver halide emulsion layer on the other side. The cubic grain silver halide emulsion layer comprises a combination of first and second spectral sensitizing dyes that provides a combined maximum J-aggregate absorption on the cubic silver halide grains of from about 540 to about 560 nm. The first spectral sensitizing dye is an anionic benzimidazole-benzoxazole carbocyanine, the second spectral sensitizing dye is an anionic oxycarbocyanine. The cubic grain silver halide emulsion layer also includes a mixture of gelatin or a gelatin derivative and a second hydrophilic binder other than gelatin or a gelatin derivative. The cubic silver halide grains comprise from about 1 to about 20 mol % chloride and from about 0.25 to about 1.

Abstract: This invention relates to a silver halide photographic element comprising a support bearing a cyan dye image-forming unit comprised of at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, and a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of the dye image forming units contains layers of differing sensitivities, and the layer of highest sensitivity contains a development promoting agent or a specific coupler as described herein, or a combination thereof, and a silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver ha

Abstract: A radiographic silver halide film useful for mammography comprises a support having a cubic grain silver halide emulsion on one side. The cubic grains are spectrally sensitized with a combination of first and second spectral sensitizing dyes that provides a combined maximum J-aggregate absorption of from about 540 to about 560 nm. The first spectral sensitizing dye is an anionic benzimidazole-benzoxazole carbocyanine and the second spectral sensitizing dye is an anionic oxycarbocyanine. The first and second spectral sensitizing dyes are present in a molar ratio of from about 0.25:1 to about 4:1.

Abstract: A radiographic imaging assembly comprises a radiographic silver halide film having a film speed of at least 100 and a single fluorescent intensifying screen that has a screen speed of at least 200. This imaging assembly is particularly useful for mammography or imaging or other soft tissues.

Abstract: This invention relates to a silver halide photographic element comprising a support bearing a cyan dye image-forming unit comprised of at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, and a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of the dye image forming units contains layers of differing sensitivities, and the layer of highest sensitivity contains a development promoting agent or a specific coupler as described herein, or a combination thereof, and a silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver ha

Abstract: A radiographic silver halide film is designed for improved imaging of dense soft tissue as in mammography. The film includes a silver halide emulsion on each side of the support and at least one silver halide emulsion contains cubic silver halide grains that are doped with a metal hexacoordination complex compound such as a ruthenium hexacoordination complex compound.

Abstract: This invention relates to a silver halide photographic element comprising a support bearing a cyan dye image-forming unit comprised of at least one red-sensitive silver halide emulsion layer having associated therewith at least one cyan dye-forming coupler, a magenta dye image-forming unit comprising at least one green-sensitive silver halide emulsion layer having associated therewith at least one magenta dye-forming coupler, and a yellow dye image-forming unit comprising at least one blue-sensitive silver halide emulsion layer having associated therewith at least one yellow dye-forming coupler, wherein at least one of the dye image forming units contains layers of differing sensitivities, and the layer of highest sensitivity contains a development promoting agent or a specific coupler as described herein, or a combination thereof, and a silver halide emulsion comprising tabular silver halide grains having associated therewith at least two dye layers comprising (a) an inner dye layer adjacent to the silver ha

Abstract: An asymmetric radiographic silver halide film has two cubic grain silver halide emulsion layers on the frontside and a tabular grain silver halide emulsion layer on the backside. The cubic grain silver halide emulsion layer closer to the support also includes a crossover control agent to reduce crossover to the backside to less than 10% and is thinner than the outermost cubic grain silver halide emulsion layer. The backside of the support also includes an antihalation layer. These films are useful for imaging soft tissue as in mammography.

Abstract: A radiographic silver halide film has improved processability because it includes a silver halide emulsion composed of cubic grains having a critical molar ratio of chloride, iodide, and bromide. In particular, the cubic grains comprise from about 1 to about 20 mol % of chloride and from about 0.25 to about 1.5 mol % of iodide, with the remainder being bromide. The cubic grains also have an ECD of from about 0.65 to about 0.8 &mgr;m. This film is particularly useful in mammography for imaging dense soft tissue.

Abstract: Radiographic films containing cubic grain, high silver chloride emulsions can be used in radiographic imaging assemblies comprising intensifying screens for therapy portal localization imaging. The average silver halide grain size is from about 0.1 to about 0.18 &mgr;m and the silver halide is free of silver halide dopant compounds. These films provide excellent contrast with improved exposure latitude (at least 4:1 when measured at a gamma value of 1.5) for use in various exposure conditions and equipment.

Abstract: A radiographic imaging assembly has two different (“asymmetric”) fluorescent intensifying screens on either side of two radiographic silver halide films. The two fluorescent intensifying screens differ in speed by at least 0.1 logE. This imaging assembly provides high contrast images and improved exposure latitude for use in various exposure conditions and equipment. The two films can be the same or different (for example, providing images of different contrast).

Abstract: A radiographic imaging assembly has first and second radiographic silver halide films in association with two fluorescent intensifying screens. Between one set of screen and film is a magenta filter having a density of at least 0.3 to provide improved exposure latitude for use in various exposure conditions and equipment. The magenta filter comprises a transparent support having a hydrophilic layer disposed thereon, which layer includes sufficient dyes or pigments that absorb in the range of from about 500 to about 600 nm. These dyes or pigments are dispersed in a hydrophilic binder to provide the desired density. The magenta filter is laminated to one of the screens with its hydrophilic layer in contact with the screen.

Abstract: A radiographic imaging assembly has a first radiographic silver halide film that provides high contrast images in association with a second radiographic silver halide film that provides lower contrast images. The combination of two films, with or without one or more fluorescent intensifying screens, provides images with excellent contrast and improved exposure latitude for use in various exposure conditions and equipment. The ratio of contrast of images provided by the first and second radiographic silver halide films is at least 1.25.

Abstract: A radiographic imaging assembly has a first radiographic silver halide film in association with a second radiographic silver halide film wherein the ratio of photographic speed of the two films is greater than 0.15 logE. The combination of two films, with or without one or more fluorescent intensifying screens, provides images with excellent contrast and improved exposure latitude for use in various exposure conditions and equipment.

Abstract: A radiographic imaging assembly has a first radiographic silver halide film in association with a second radiographic silver halide film wherein the ratio of photographic speed of the two films is greater than 0.15 logE. The combination of two films is used with two fluorescent intensifying screens that also have photographic speeds that differ by at least 0.1 log E. This imaging assembly provides images with excellent contrast and improved exposure latitude for use in various exposure conditions and equipment.

Abstract: A radiographic imaging assembly has first and second radiographic silver halide films in association with two fluorescent intensifying screens. Between one set of screen and film is a neutral density filter having a density of at least 0.3 to provide with improved exposure latitude for use in various exposure conditions and equipment. The neutral density filter comprises a transparent support having a hydrophilic neutral density filter layer disposed thereon, which layer includes sufficient silver metal, colloidal carbon, or exposed and processed silver halide in a hydrophilic binder to provide the desired density. The neutral density filter is laminated to one of the screens with its hydrophilic layer in contact with the screen.

Abstract: A radiographic imaging assembly has first and second radiographic silver halide films in association with two fluorescent intensifying screens. Disposed between one set of screen and film is a neutral density filter having a density of at least 0.3 to provide improved exposure latitude for use in various exposure conditions and equipment.

Abstract: Radiographic films containing cubic grain, high silver chloride emulsions can be used in radiographic imaging assemblies comprising intensifying screens for therapy portal localization imaging. The average silver halide grain size is from about 0.1 to about 0.18 &mgr;m and the silver halide is free of silver halide dopant compounds. These films provide excellent contrast with improved exposure latitude for use in various exposure conditions and equipment.

Abstract: A multilayer light-sensitive silver halide photographic negative image type material and a method to prepare said material has been described, said material comprising on at least one side of a support a multilayer composition of at least two layers of negative image type silver halide emulsions adjacent to each other, wherein the emulsion layer closest to the said support comprises tabular emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {111} crystal habit and silver chloride, silver chlorobromide, silver chloroiodide and silver chlorobromoiodide having a {100} crystal habit and wherein the adjacent layer(s) farther from the said support comprise(s) essentially cubic emulsion crystals selected from the group consisting of silver chloride, silver chlorobromide and silver bromide, wherein the essentially cubic grains are less sensitive than the tabular grains and wherein the said tabular

Abstract: Radiographic films containing cubic grain, high silver chloride emulsions can be used in radiographic imaging assemblies comprising intensifying screens for therapy portal imaging. The average silver halide grain size is from about 0.1 to about 0.18 &mgr;m. These films provide excellent contrast with improved exposure latitude for use in various exposure conditions and equipment.

Abstract: Disclosed is a color photographic element comprising a multilayered blue light sensitive record, a multilayered green light sensitive record, and a multilayered red light sensitive record, the red record comprising two or more layers of differing light sensitivity, the most light sensitive layer of the red record containing a red light sensitized first emulsion having at least one wavelength of peak absorption, and at least one of the two most light sensitive layers of the red record containing a red sensitized second emulsion, wherein the first emulsion exhibits, as measured at 0.2 density units above Dmin, at least one wavelength of peak absorption that is longer than the shortest wavelength of peak absorption of the second emulsion. The element provides an advantageous combination of speed and color rendition.

Abstract: The invention relates to a photographic element comprising a base material, at least one exposure side photosensitive silver halide layer, and at least one backside photosensitive silver halide layer, wherein said face side photosensitive layer has lower speed than said backside photosensitive layer, and wherein said base material has a percent transmission of between 35 and 60%.

Abstract: Localization radiographic films containing rhodium-doped, cubic grain, high silver chloride emulsions can be used in radiographic imaging assemblies comprising intensifying screens for therapy imaging. The average silver halide grain size is from 0.20 to about 0.30 &mgr;m, and they comprise at least 80 mol % chloride based on total silver. These films provide colder image tones and reduced processing non-uniformities.

Abstract: High performance, very high contrast radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising intensifying screens. These films having at least two tabular silver halide emulsions on each side of a film support, and the emulsion closest to the film support on each side includes chemistry to control crossover and a rhodium dopant and has higher photographic speeds than the other emulsions. In addition, the films can be rapidly processed to provide images having visually adaptive contrast wherein the upper scale contrast is at least 1.7 times the lower scale contrast. These films are particularly useful for orthopedic imaging.

Abstract: Disclosed is a color silver halide photographic element comprising a support bearing: (1) a light sensitive silver halide emulsion layer; (2) a nitrogen heterocycle with a minimum of three heteroatoms that does not react with oxidized developer, does not contain free thiol substituents, and has a ClogP sufficient to increase the photographic speed of said element compared to the same element without the compound, said heterocycle compound located either in said light sensitive layer or in a layer adjacent to it; and (3) a light reflecting silver halide material; provided that the heterocycle compound and the light reflecting material are located either (a) in different layers of the element located close enough to each other so that a super-additive speed increase is realized or (b) in the same light sensitive layer. The invention provides improved light sensitivity.

Abstract: A silver halide color light-sensitive material contains at least one light-sensitive silver halide emulsion layer and at least one non-light-sensitive layer on a support, wherein at least one of the non-light-sensitive layers contains a silver halide emulsion having a previously fogged surface, and the non-light-sensitive layer containing the previously fogged emulsion and/or its adjacent layer contains a compound capable of releasing a photographically useful group or its precursor by a coupling reaction with the oxidized form of a developing agent, wherein the previously fogged emulsion is developed during color development to evenly form the oxidized form of a color developing agent, and the photographically useful group or its precursor is released non-imagewise by the coupling reaction.

Abstract: High performance radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising an intensifying screen on both sides. These films have at least two silver halide emulsions (preferably tabular grains) on each side of a film support, and the emulsion closest to the film support on each side includes chemistry to control crossover. In addition, the films can be rapidly processed to provide the desired image whereby the upper scale contrast is at least 1.2 times the lower scale contrast. Thus, dense objects can be better seen at the higher densities of the radiographic image without any adverse sensitometric changes in the lower scale densities.

Abstract: High performance, high contrast radiographic films exhibit visually adaptive contrast when imaged in radiographic imaging assemblies comprising an intensifying screen on both sides. These films having at least two silver halide emulsions on each side of a film support, and the emulsion closest to the film support on each side includes chemistry to control crossover and has higher photographic speeds than the other emulsions. In addition, the films can be rapidly processed to provide the desired image having visually adaptive contrast, i.e. the upper scale contrast is at least 1.7 times the lower scale contrast. Thus, dense objects can be better seen at the higher densities of the radiographic image without any adverse sensitometric changes in the lower scale densities. These films are useful for general purpose, high contrast radiographic imaging.

Abstract: A heat developable color photographic material for use in an image-forming process comprising: (a) superposing a heat developable color photographic material onto an image-receiving material that is formed on a separate support from a support of the heat developable color photographic material; and (b) heat-developing the heat developable color photographic material superposed on the image-receiving material to form or release a diffusible dye, so that the diffusible dye is transferred to the image-receiving material to thereby form an image: wherein the heat developable color photographic material contains at least a light-sensitive silver halide and yellow, magenta and cyan dye-donating compounds, which form or release diffusible yellow, magenta and cyan dyes, respectively, by heat development corresponding to silver development, wherein the yellow, magenta and cyan dyes, respectively, has a maximum absorption intensity of spectral absorption at a wavelength of from 440 nm to 460 nm, from 525 nm to 545 nm,

Abstract: Photographic elements capable of forming a reversal image are disclosed comprising a support and, coated on said support, at least one image recording emulsion layer comprised of a dispensing medium and radiation sensitive silver halide grains and at least one substantially non-image forming layer. In one embodiment, the substantially non-image forming layer comprises: a) a light sensitive silver halide imaging emulsion which is less than 10 percent of the mass of the total imaging emulsion in the element; b) a first non-image forming silver salt emulsion having an average grain size less than 0.15 .mu.m; and c) a second non-image forming silver salt emulsion comprising iodide having an average grain size greater than that of the first non-image forming emulsion.

Abstract: There is disclosed a silver halide emulsion that comprises at least a dispersion medium and silver halide grains, wherein 60% or more of the total projected area of the silver halide grains is occupied by tabular grains having an epitaxial junction, which grains each have a {100} face as a main plane and an aspect ratio (diameter/thickness ratio) of from 2.

Abstract: A mammographic silver halide photosensitive material has at least one photosensitive emulsion layer on either one surface of a support. The emulsion layer is formed of a silver halide emulsion having an iodide content of less than 0.9 mol % based on silver. The photosensitive material exhibits a contrast of 3.7-4.8 as determined by processing the material by specific Developing Process (1). The photosensitive material is combined with a radiographic intensifying screen of Gd.sub.2 O.sub.2 S:Tb phosphor having a CTF of 0.40-1.00 at a spatial frequency of 5 lp/mm to construct a photographic combination.

Abstract: A color photographic silver halide material having at least two red-sensitive, cyan-coupling silver halide emulsion layers of different photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsion layers of different photographic sensitivity and at least one blue-sensitive, yellow-coupling silver halide emulsion layer, and having intermediate layers at least between silver halide emulsion layers of different color sensitivity, wherein at least one color coupler is provided in an intermediate layer which is directly adjacent to a lowest-sensitivity silver halide emulsion layer which is sensitive to a defined spectral region and which couples to the complementary color, which color coupler couples in a non-complementary manner with respect to the aforementioned lowest-sensitivity silver halide emulsion layer, is distinguished by its improved reproduction of yellow color shades.

Abstract: A radiation-sensitive medical diagnostic film for soft tissue imaging, particularly mammography, is disclosed. The film allows more rapid processing than films currently available for mammographic imaging and maintains acceptably high levels of image sharpness and low levels of mottle. The radiographic film records medical diagnostic images of soft tissue through (a) exposure by a single intensifying screen located to receive an image bearing source of X-radiation and (b) processing, including development, fixing and drying, in 90 seconds or less comprised of a film support transparent to radiation emitted by the intensifying screen and having opposed front and back major faces and an image-forming portion for providing, when imagewise exposed by the intensifying screen and processed, an average contrast in the range of from 2.5 to 3.5, measured over a density above fog of from 0.25 to 2.0.

Abstract: Multilayer color photographic element having on a support base blue-, green- and red-sensitive silver halide emulsion layers respectively associated with non-diffusing yellow, magenta and cyan dye-forming couplers, wherein (a) the green-sensitive silver halide emulsion layer comprises three green-sensitive silver halide emulsion layers, respectively uppermost, intermediate and lowermost, sensitive to the same spectral region of visible light, in which the sensitivity of the three green-sensitive silver halide emulsion layers decreases in order from the uppermost silver halide emulsion layer to the lowermost silver halide emulsion layer, (b) each of the three green-sensitive silver halide emulsion layers contains an 1-phenyl-3-anilino-4-phenylthio-5-pyrazolone magenta dye-forming coupler, (c) the weight ratio of the coupler to silver halide (expressed as silver) in the highest sensitivity uppermost green-sensitive silver halide emulsion layer is higher than the weight ratio of the coupler to silver halide (exp

Abstract: A color photographic element is disclosed comprised of a transparent film support and, coated on the support, a red recording layer unit containing the latent image forming silver halide grains in a plurality of emulsion layers with the latent image forming silver halide grains of maximum sensitivity being the first red recording emulsion layer to receive exposing radiation and containing randomly oriented red light scattering silver halide grains free of adsorbed spectral sensitizing dye. An optional layer coated beneath first layer contains tabular silver halide grains to reflect red light. Improvements in imaging speed with improvements or relatively low losses in image sharpness are realized.

Abstract: A photographic element is disclosed that relies upon high bromide silver halide grains that are sulfur and/or gold sensitized for latent image formation. Coated to receive exposing radiation directly from a layer containing the latent image forming grains is a non-imaging layer containing (a) tabular silver halide grains (i) comprised of greater than 50 mole percent bromide, based on silver, (ii) having a thickness in the range of from 0.03 to 0.20 .mu.m, and (iii) having an average aspect ratio of greater than 20, and (b) silver halide epitaxy selectively positioned adjacent edges of said tabular grains in said non-imaging layer, said silver halide epitaxy (i) containing greater than 50 mole percent chloride, based on silver, and (ii) accounting for from 0.1 to 50 percent of the total silver in the composite grains.

Abstract: A color photographic element is disclosed comprised of a transparent film support and, coated on the support, a red recording layer unit containing the radiation-sensitive silver halide grains in a plurality of emulsion layers with each emulsion layer located to receive exposing radiation prior to an underlying emulsion layer containing silver halide grains of higher sensitivity than the silver halide grains located in the underlying emulsion layer. The red recording layer unit includes a red light reflective layer free of red absorbing dye and containing tabular silver halide grains having a thickness in the range of from 0.03 to 0.12 .mu.m, an average aspect ratio of greater than 20, and a coating coverage of 0.5 to 1.25 g/m.sup.2, and formed of greater than 50 mole percent bromide, based on silver, is located in the red recording layer unit interposed between two emulsion layers. Improvements in imaging speed and/or gamma with relatively low losses in image sharpness are realized.

Abstract: This invention contemplates a multilayer, multicolor photographic element comprising a support, a plurality of dye-forming hydrophilic colloid containing silver halide emulsion layers which are spectrally sensitized to different regions of the visible spectrum including at least one blue-sensitive emulsion layer, a green-sensitive emulsion layer, and a red-sensitive emulsion layer wherein the topmost silver halide emulsion layer has a water swell percentage which is greater than any other light-sensitive emulsion layer.

Abstract: A silver halide film for reproducing digitally stored medical diagnostic images through exposure and processing, including development, fixing and drying, in 90 seconds or less is disclosed in which onto a film support transparent to exposing radiation are coated (1) a processing solution permeable front layer unit coated on the front major face of the support capable of absorbing up to 60 percent of the exposing radiation and containing less than 30 mg/dm.sup.2 of hydrophilic colloid and less than 20 mg/dm.sup.2 silver in the form of radiation-sensitive silver halide grains and (2) a processing solution permeable back layer unit coated on the back major face of the support containing less than 40 mg/dm.sup.2 of hydrophilic colloid, silver in the form of radiation-sensitive silver halide grains accounting for from 40 to 60 percent of the total radiation-sensitive silver halide present in the film, and a dye capable of providing an optical density of at least 0.

Abstract: A color negative photographic element is disclosed comprising at least one light-sensitive image dye-forming unit containing a plural number of silver halide emulsion layers having different levels of photographic sensitivity which are spectrally sensitized to the same color region, wherein the silver halide emulsion layer having the highest level of photographic sensitivity of the unit comprises at least 40 wt %, with respect to total silver halide in the layer, of a first silver halide emulsion comprising silver halide grains with an average equivalent circular diameter represented by ECD.sub.1 and from 5 to 35 wt % of a second silver halide emulsion comprising silver halide grains with an average equivalent circular diameter represented by ECD.sub.2, and the silver halide emulsion layer having the second highest level of photographic sensitivity comprises at least 40 wt % of a third silver halide emulsion having an average equivalent circular diameter represented by ECD.sub.3, where the ratio of ECD.sub.