Abstract: Systems and methods for determining the area of a sash opening in a fume hood formed by at least one movable sash panel. Fume hoods have sash panels mounted over a hood opening to an enclosure structure of the fume hood. The sash panels are moved to open or close the fume hood at the sash opening for access to a work surface. A camera is mounted in a fume hood enclosure space to capture an image of the sash opening. An area determining function is configured to receive a digital representation of the image. The image is analyzed by detecting edges in the image. The image edges corresponding to edges of the sash opening are identified. The area of the sash opening is determined by applying a scaling value to the area formed by the image edges corresponding to the area of the sash opening.

Abstract: A method, and an adjustment verification device, for determining adjustment deviations of an image data capture chip of an optical camera includes the steps of: aligning a laser beam of a laser source by an adjustment verification device to a camera image which is to be recorded by the optical camera and upon which a visible laser image is formed by the laser beam, the adjustment verification device including a camera holder for the positionally correct installation of the optical camera; recording the camera image by the positionally correctly installed optical camera; determining the coordinates of the laser image recorded in the camera image; and determining a deviation in the coordinates of the recorded laser image from a nominal position of the camera image and, on the basis thereof, deriving the adjustment deviations of the image data capture chip of the optical camera.

Abstract: A method and device for creating digital optical images of bindings of books or other items in order to determine whether the books are in the correct order, such as on a bookshelf. The digital images are analyzed by a computer to determine whether the unique identifier of the book indicates the books is out of order relative to one or more next adjacent books bearing unique identifiers. If a book is out of order, an augmented reality image is produced with the digital image on the display of the device to indicate which books is out of order, and which books are in order. The user of the system can correct the disorder and re-scan to confirm order. The system also retains information about which books were scanned, which books were adjacent each scanned book, and whether the books were in or out of order.

Abstract: System and method to provide contextual services, the method including: capturing a characteristic of a first person inside or within a predetermined distance of a monitored space; accessing a database of identifying characteristics of potential visitors to the monitored space; identifying the first person by use of the database, to produce an identified visitor; and providing to a second person an information related to the identified visitor. The system may include: a database of identifying characteristics of potential visitors to a monitored space; a surveillance device configured to capture a characteristic of a first person inside or within a predetermined distance of the monitored space; a processor configured to identify the first person by use of the database, to produce an identified visitor; and a communication interface configured to provide to a second person an information related to the identified visitor.

Abstract: A non-contact power receiving apparatus includes a power reception unit for receiving electric power in a non-contact manner from a power transmitting apparatus external to a vehicle, and a control device for controlling the transmitted power from the power transmitting apparatus. The control device controls the transmitted power based on a monitoring result obtained by monitoring the surroundings of the vehicle, and an occupant detection result obtained by detecting whether or not an occupant enters the vehicle. When the monitoring result indicates the approach of a moving object to the vehicle, the control device causes the power transmitting apparatus to reduce the transmitted power. The power transmitting apparatus and the power reception unit transmit and receive electric power in a non-contact manner by electromagnetic field resonance.

Abstract: An object search method, a search verification method, and apparatuses thereof, pertain to the field of video surveillance technologies. The object search method includes: acquiring an object image for search and a designated region of the object image for search, and calculating local feature points in the designated region of the object image for search; searching in a pre-constructed index set for indexes matching the local feature points in the designated region; and acquiring object images corresponding to the detected indexes, and using the acquired object images as detected object images in a video. In this way, object search is implemented by using local regions of an image, the application range of the object search is extended, and accuracy of the search result is improved.

Abstract: An interactive target video display system is disclosed. The system includes a camera located in conjunction with a shooting lane at a shooting range. The camera is connected to a display monitor in the shooting station of the shooting lane, which displays a video image of the target. A protective screen covers the display monitor, and the shooter may write on the cover using a writing implement.

Abstract: A gateway apparatus for monitoring whether something is wrong with electronic devices and a control method thereof are provided. The gateway apparatus includes at least one communication section which communicates with a plurality of electronic devices, a camera for taking an image of the plurality of electronic devices, and a user terminal or a management server, and a controller configured to determine whether there is something wrong with at least one of the plurality of electronic devices based on energy information received from the plurality of electronic devices, to receive a taken image of the at least one electronic device with which something is wrong from the camera by transmitting position information of the at least one electronic device with which something is wrong to the camera, and to transmit a monitoring image based on the received taken image of the at least one electronic device with which something is wrong to the user terminal or to the management server.

Abstract: Various embodiments concern a system for monitoring a patient in a bed, the system comprising a camera, a user interface comprising a screen, and a computing system. The computing system can be configured to monitor, with the camera, for motion within each of a plurality of zones, the plurality of zones comprising a one or more inner zones extending adjacent along the bed, one or more outer zones extending adjacent along the one or more inner zones, and one or more end zones. Motion within the inner zones can trigger a fall alert while motion within the outer or end zones can suspend one or more functions to prevent the fall alert from being issued. The end zones can comprise a bottom zone and one or more top zones.

Abstract: A front aid camera license plate holder comprising of a camera combination, for the purposes of viewing traffic, maximizing vision, minimizing hazards and blind zones.

Abstract: A perimeter detection system for a vehicle has a plurality of sensors provided on an exterior of the vehicle for sensing an object in a peripheral field of view during motion of the vehicle. The plurality of sensors includes a front sensor configured for sensing substantially forward the vehicle, a rear sensor configured for sensing substantially rearward the vehicle; and a side sensor configured for sensing substantially laterally adjacent the vehicle. The perimeter detection system also has a controller for processing the plurality of sensors to detect the object in the peripheral field of view when the vehicle is stopped, such as when a transmission of the vehicle is in park. An output signal is generated that is indicative of the object detected in the peripheral field of view. The output signal may be audible and visual and may include a door lock signal and a window raising signal.

Abstract: A visual guidance system includes an image display to present an image overlaid on a windshield in front of a driver of a vehicle and a processor to output image information on the image display. The processor outputs image information for presenting a virtual line extending from an upper side of the driver to a visual guidance target seen within the windshield in such a manner that the virtual line is overlaid on the windshield.

Abstract: An all-weather non-enclosed-vehicle mounted system for recording video and audio. The weatherproof system comprises an interface for connecting various system components and external devices, a display monitor integrated into the same housing as an electronics module operable to receive the video and audio, and a memory operable to receive and store the video and audio.

Abstract: A method of providing test data for a vehicle may use the test data to verify the performance of a system in the vehicle under different environmental conditions (such as at night, while it is raining, during high glare conditions, during fog and/or the like). The method entails driving a test vehicle through a selected set of environmental conditions. Environment data, such as, for example, images, are captured while driving the test vehicle. The environment data relates to the environment outside the test vehicle. The environment data may be recorded to a memory. Additionally, environmental condition data relating to the environmental conditions outside the vehicle while it is being driven may be recorded to the memory.

Abstract: Methods and apparatus related to improving player performance for trajectory-based sports are described. In particular, sporting devices are described that can be utilized to improve player performance in basketball. The sporting devices can include a camera-based system configured to capture and analyze the trajectory of a shot taken by a player. The camera-based system can be configured to provide feedback that allows a player to optimize the trajectory mechanics associated with shooting a basketball. In one embodiment, the camera-based system can be used in conjunction with a training aid that is attached to a basketball rim. The training aid can be configured to improve the trajectory mechanics of individuals utilizing the modified basketball rim to practice their shooting.

Abstract: According to embodiments, there is provided a method, a mobile video mixing system and a non-transitory computer readable memory for mixing of image frame sequences depicting a scene or an event, by receiving an image frame sequence from a first video source; receiving an image frame sequence from a second video source; mixing the received video frame sequences by, at each time instance: receive or retrieve a parameter representing the context of the use of the mobile video mixing system; select a video mixing mode, from a selection of at least two different video mixing modes, dependent on the context parameter; and mix the received video frame sequences according to the selected video mixing mode.

Abstract: A method for correlating an image to align two sensors comprising the steps of centering an imaging unit on a landmark that provides good contrast and distinct edges so as to provide a scene, taking a snapshot of the scene from both sensors, applying a Sobel edge filter to the image from both sensors to create two strong edge maps, cropping a small block of one image centered about the landmark and cross-correlating it on a larger region centered on an expected position of the landmark in the other image, and from the position of the strongest correlation peak determining the position of the center of the block from the first image, providing the difference in the alignment of the two sensors.

Abstract: Various techniques are provided for implementing, operating, and manufacturing infrared imaging devices using integrated circuits. In one example, a system includes a focal plane array (FPA) integrated circuit comprising an array of infrared sensors adapted to image a scene, a plurality of active circuit components, a first metal layer disposed above and connected to the circuit components, a second metal layer disposed above the first metal layer and connected to the first metal layer, and a third metal layer disposed above the second metal layer and below the infrared sensors. The third metal layer is connected to the second metal layer and the infrared sensors. The first, second, and third metal layers are the only metal layers of the FPA between the infrared sensors and the circuit components. The first, second, and third metal layers are adapted to route signals between the circuit components and the infrared sensors.

Abstract: Various techniques are disclosed for performing non-uniformity correction (NUC) for infrared imaging devices. Intentionally blurred image frames may be obtained and processed to correct for FPN (e.g., random spatially uncorrelated FPN in one embodiment) associated with infrared sensors of the infrared imaging device. Intentionally blurred image frames may be used to distinguish between FPN associated with the infrared sensors and desired scene information. Advantageously, such techniques may be implemented without requiring the use of a shutter to perform flat field correction for the infrared imaging device.

Abstract: Techniques are provided to implement line based processing of thermal images and a flexible memory system. In one example, individual lines of a thermal image frame may be provided to an image processing pipeline. Image processing operations may be performed on the individual lines in stages of the image processing pipeline. A memory system may be used to buffer the individual lines in the pipeline stages. In another example, a memory system may be used to send and receive data between various components without relying on a single shared bus. Data transfers may be performed between different components and different memories of the memory system using a switch fabric to route data over different buses. In another example, a memory system may support data transfers using different clocks of various components, without requiring the components and the memory system to all be synchronized to the same clock source.

Abstract: Techniques for presenting content provided by a mobile device on a second communication device are presented. A content enhancer component (CEC) connects via a wired or wireless communication connection to the second communication device to communicate content to the second communication device, which has a larger display than or superior audio to the mobile device. The CEC captures content and interaction between the user and mobile device in a capture region of the CEC. The CEC reconstructs the content and the user-related interaction for presentation on the second communication device. The second communication device can have a 2-D or 3-D display. If a 3-D display, the CEC can convert captured video content into a 3-D format to provide 3-D perception when content is displayed on the second communication device. The captured audio signal can be processed to provide an enhanced stereo or 3-D sound effect.

Abstract: A method including initiating video functionality of an optical image capture device, using the video functionality to capture a plurality of still images at video speed, saving the plurality of still images as a cached timeline from which a user may select a desired still image, and providing a user interface on a display screen to allow the user to select a desired still image.

Abstract: Techniques are disclosed for generating an electronic shopping list based on a digital photograph of a handwritten shopping list. The techniques include obtaining a digital photograph of a handwritten shopping list and identifying a handwritten text portion in the digital photograph. The techniques further include determining a set of candidate items corresponding to the handwritten text portion, each candidate item of the set of candidate items representing a different item that may have written in the handwritten text portion of the handwritten shopping list and being indicative of a product sold by a retailer. The techniques further include selecting one of the set of candidate items for inclusion in the electronic shopping list. The techniques can be performed by a mobile computing device or by a shopping list server.

Abstract: A transmission unit of the imaging device transmits a captured image via a network. A reception unit receives instructions to change a view angle from another device via the network. A view angle changing unit changes the view angle on the basis of the instructions to change a view angle which are received from the reception unit. A view angle changing instruction information storage unit stores view angle changing instruction information. A failure monitoring unit detects that a failure occurred in communication with the another device. A control unit instructs the view angle changing unit to change the view angle on the basis of the view angle changing instruction information stored in the view angle changing instruction information storage unit, according to the detection of the failure monitoring unit. An image storage unit stores the captured image.

Abstract: A system and method for efficiently performing image processing operations includes a camera device that is configured to automatically capture an image sequence of related offset images that correspond to a particular selected photographic target. The camera device then transmits the captured image sequence to an image processing server through an electronic network. The image processing server perform one or more processing-intensive operations upon the received image sequence to thereby produce an enhanced image that may then be transmitted to any appropriate image destination.

Abstract: A method for controlling a camera in a mobile device including a camera is provided. The method includes executing a first application related to the camera, turning the camera on in response to an execution of the first application, detecting a user's input related to a termination of the first application, determining whether the user's input is an Application (App) conversion event requesting an execution of a second application related to the camera, terminating the execution of the first application when the user's input is the App conversion event, and executing the second application, and terminating the execution of the first application when the user's input is not the App conversion event, and turning the camera off.

Abstract: An integrated substrate for an anti-shake apparatus defined with an optical axis includes: a substrate, a lens module, an anti-shake apparatus and an image-sensing module. The substrate includes a frame having a predetermined thickness. The frame includes a first surface, a second surface, a first circuit layout, and a second circuit layout. The lens module is located above the substrate on the optical axis. The anti-shake apparatus is furnished between the lens module and the substrate. The image-sensing module has an active side and an inactive side, and the inactive side is furnished onto the second surface. The active side is located on the optical axis in a manner of facing the lens module. The anti-shake apparatus is coupled to the first circuit layout, while the image-sensing module is coupled to the second circuit layout. The first and second circuit layouts comprise a plurality of first and second metal leads, respectively.

Abstract: A photographing system of the present invention includes a light emitting apparatus which emits visible light including arbitrary information and a photographing apparatus which has a plurality of photographing functions, in which the light emitting apparatus includes a light emitting section which emits visible light including command information respectively corresponding to the plurality of photographing functions of the photographing apparatus, and the photographing apparatus includes a photographing section, a visible light information acquisition section which receives the visible light emitted by the light emitting section by the photographing section, and acquires the command information included in the visible light, and a photographing instruction section which instructs to perform at least one of the plurality of photographing functions based on the command information acquired by the visible light information acquisition section.

Abstract: A torch casing 10 with a reflector 46 and a bulb 44 incorporates camera 48 50 52 taking pictures through front face 64 and employs flash tube 58 behind the camera chip 50 reflecting off reflector 46 and reflected onto reflector 46 by mirrored surface 60 on the back of camera chip 50. Captured images, still or video, are exported by radio frequency unit 22 to, for example, secure and supervised store 124. Ultraviolet unit 65 causes fluorescence which is photographed by camera 48 50 52. Display screen 70 shows camera 48 50 52 images or received images. The apparatus continuously sends its position determined by GPS navigation. Sounds can be recorded, sent and received. Iris patterns and fingerprints can be recognised from an updated store.

Abstract: A setting of a video camera is remotely controlled. Video from a video camera is displayed to a user using a video display. At least one eye of the user is imaged as the user is observing the video display, a change in an image of at least one eye of the user is measured over time, and an eye/head activity variable is calculated from the measured change in the image using an eyetracker. The eye/head activity variable is translated into a camera control setting, and an actuator connected to the video camera is instructed to apply the camera control setting to the video camera using a processor.

Abstract: A camera system includes an interchangeable lens and a camera body. The camera body includes a first detecting unit for detecting an autofocus evaluation value, a second detecting unit for detecting that a position of a focus lens comes close to a focus position before running past the focus position, and a signal generating unit. In an autofocus control, the signal generating unit generates a control signal for controlling a driving unit to drive the focus lens at a first speed before the second detecting unit detects that the position of the focus lens comes close to the focus position, and to drive the focus lens at a second speed lower than the first speed based on a change rate of the autofocus evaluation value after the second detecting unit detects that the position of the focus lens comes close to the focus position.

Abstract: A method and electronic device reproducing a multiple shutter sound that reproduces a same shutter sound or a series of different shutter sounds during the period where an image is being processed by transmitting two or more interrupts to a controller by an image signal processor and an electronic device thereof. The repetitive shutter sounds can indicate to a user that the image is still being processed, so that the user does not move the camera and affect the capture of the image. The method of reproducing a multiple shutter sound includes: receiving a command for shooting a photograph; processing an image in response to the command; and transmitting at least two interrupt to a controller such that the shutter sound is reproduced at least twice while processing the image.

Abstract: An imaging lens satisfies the following conditional expression (1) and is configured by disposing a first lens group that has a positive refractive power, an aperture stop, and a second lens group that has a positive refractive power in order from an object side to an image side. The first and second lens groups are moved from the image side to the object side in a state in which a gap between the lens groups is constant on an optical axis when a subject distance changes from infinity to approach, and the second lens group is configured by at least two negative lenses and at least three positive lenses. 0.01<f2/f1<0.

Abstract: The present disclosure relates to an apparatus and method for capturing a multi-focus image using continuous auto focus. The method for execution on a processor includes: providing a target including a plurality of target image areas; continuously auto-focusing an image capturing device to capture one or more temporary images of the plurality of target image areas; determining an Auto-Focus (AF) value for each target image area in the one or more temporary images; for the plurality of target image areas, selecting using the processor, a temporary image having a maximum AF value for the respective target image area; for the plurality of target image areas, linking using the processor, an image of the respective target image area from the selected temporary image associated with the respective target image area to obtain a multi-focus image.

Abstract: A clock signal generator that generates a second clock signal and clock information from a transfer first clock signal and based on a thinning rate, the number of horizontal pre-blank data pieces, the number of effective horizontal pixels, and the number of horizontal post-blank data pieces stored in a register. A thinning processor retrieves image data in accordance with the first clock signal and a horizontal synchronization signal. The thinning processor performs a thinning process on the image data to generate thinned image data and stores the thinned image data in a memory. A read controller sequentially reads the thinned image data from the memory in accordance with the second clock signal having a frequency lower than the first clock signal.

Abstract: A synthetic dynamic image is output by first transforming each frame of a first dynamic image based on a relative positional relationship between each frame of the first dynamic image to create a first transformed dynamic image. Next, each frame of a second dynamic image is transformed based on a relative positional relationship between at least one frame including the first dynamic image and at least one frame including the second dynamic image, and a relative positional relationship between each frame of the second dynamic image to create a second transformed dynamic image. Finally, the synthesized dynamic image is synthesized by aligning, for each frame of the first transformed dynamic image and the second transformed dynamic image, a position in the first transformed dynamic image with a position in the second transformed dynamic image.

Abstract: An imaging device determines an in-focus position by contrast autofocus. The device includes a first optical system including a first lens and a first image sensor, a second optical system including a second lens and a second image sensor, a signal processing unit to read an image signal from at least one of the first image sensor and the second image sensor and generate an image for display, and a display unit to display the generated image. In the contrast autofocus, the signal processing unit reads a part of the image signal from the first image sensor and calculates a contrast value based on the read part of the image signal, and generates the image for display from the image signal read from the second image sensor.

Abstract: Systems and methods are provided for calibrating a digital camera. First pixel values of a first calibration image illuminated by white light are captured using a color sensor. A color sensor adjustment matrix is determined based on a comparison of the first pixel values and baseline pixel values associated with the calibration image. Second pixel values of a second calibration image illuminated by a first color temperature light are captured. The second pixel values are adjusted based on the color sensor adjustment matrix, and a first color temperature balance factor is determined based on the adjusted second pixel values, where a white balance adjustment is performed on captured image data based on the first color temperature balance factor.

Abstract: An image acquisition device and a method for capturing image data is disclosed. The method comprises exposing an image sensor to light from a scene, selecting substantially all rows of sensor pixels in an image sensor in a substantially random order, starting an exposure period for each row of sensor pixels in the image sensor in the order the rows were selected, buffering the rows of sensor pixels comprised in an image frame until all rows of the image frame have registered image data for the presently captured image frame, and outputting image data representing the image frame by outputting image data from each row of sensor pixels.

Abstract: When an accepting section 102 accepts an order to acquire image data, an image data acquirer 104 acquires image data from a memory section 130 and compresses it in the JPEG format. An orientation identifier 122 identifies orientation information of an image processing device 10 by using a detection value of an acceleration sensor. A direction identifier 124 identifies the azimuthal angle of a lens optical axis by using a detection value of a geomagnetic sensor and orientation information identified by the orientation identifier 122. If it is determined by the orientation identifier 122 that the image processing device 10 is in a horizontal orientation, the direction identifier 124 identifies the azimuthal angle of the lens optical axis from a predetermined direction in the image processing device 10 and the detection value of the geomagnetic sensor without using the lens optical axis direction.

Abstract: Embodiments described herein may operate to image a scene with an imaging system using an image blurring technique. An image sensor array (ISA) element may be identified as a dark defect element if a first ratio of an average of a set of illuminance signal magnitudes from a set of surrounding ISA elements to a magnitude of an illuminance signal from the ISA element is greater than a threshold sharpness value. The image sensor array element may be identified as a bright defect element if a second ratio of the magnitude of the illuminance signal from the ISA element to the average of the set of illuminance signal magnitudes from the set of surrounding ISA elements is greater than the threshold sharpness value.

Abstract: An image processing apparatus that processes image data output from an image sensing device including a plurality of pixels, comprises: a storage unit that stores defect data at least including first information showing grades of defective pixels that are subject to correction and, with respect to each defective pixel among the plurality of pixels, address information, second information showing a grade of the defective pixel; an acquisition unit that acquires an imaging condition and an imaging environment at a time of image sensing; a determination unit that compares the first information and the second information, and determines whether defect correction of each defective pixel is necessary or not based on a comparison result; and a correction unit that performs the defect correction on image data output from a defective pixel for which the determination unit determines that defect correction is necessary.

Abstract: Systems and methods for the synthesis of light field images from virtual viewpoints in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a system includes a processor and a memory configured to store captured light field image data and an image manipulation application, wherein the captured light field image data includes image data, pixel position data, and a depth map, and wherein the image manipulation application configures the processor to obtain captured light field image data, determine a virtual viewpoint for the captured light field image data, where the virtual viewpoint includes a virtual location and virtual depth information, compute a virtual depth map based on the captured light field image data and the virtual viewpoint, and generate an image from the perspective of the virtual viewpoint based on the captured light field image data and the virtual depth map.

Abstract: A spectral imaging apparatus includes a variable wavelength spectroscopic element changing a distance between surfaces of a pair of optical substrates opposite to each other to change a peak wavelength, a light splitting unit which splits light transmitted by the variable wavelength spectroscopic element into components in each of the predetermined wavelength ranges, and image-capturing units each of which captures only a spectral image formed by the components in each of the wavelength ranges into which the transmitted light is split by the light splitting unit, the wavelength ranges including the peak wavelengths respectively.

Abstract: An electronic device may be provided with a display mounted in a housing. The display may have an array of display pixels that provide light to a user. The array of display pixels may form active display structures with a rectangular shape. The rectangular active display structures may be surrounded by an inactive border region. Reflector structures may be used to reflect light that is emitted from peripheral portions of the active display structures to a portion of the display overlapping the inactive border region, thereby providing the display with an effective active area that is larger than the area of the active display structures. The reflector structures may include rotatable reflectors. Control circuitry may use a rotatable positioner to rotate rotatable reflector structures in synchronization with controlling which pixel data is displayed by the display pixels in the peripheral portions of the active display structures.

Abstract: A light blocking ink includes a light blocking material, a blue coloring material, and an ultraviolet-curable material. The light blocking ink may be employed in a microlens array unit to block stray light. The microlens array unit includes a substrate, a microlens array, and a light blocking film formed with the light blocking ink. The microlens array unit may be employed in an image processing apparatus.

Abstract: A solid-state imaging device and method of driving a pixel array section are described herein. By way of example, the solid-state imaging device includes a pixel array section including a sharing pixel block, the sharing pixel block including a plurality of pixels, each of the plurality of pixels including a photoelectric conversion region, and each of the plurality of pixels of the sharing pixel block sharing a floating diffusion region, and a driver section configured to drive the pixel array section such that electric charges accumulated in one or more but less than all of the photoelectric conversion regions of the sharing pixel block undergo pixel addition and are read out.

Abstract: A photoelectric conversion device includes a pixel array including a plurality of pixels arranged in a matrix, a plurality of blocks including a plurality of pairs, each of the pairs including a comparator provided correspondingly with a column in the pixel array and a memory provided correspondingly with the comparator, and a block information supply unit configured to supply block information which indicates a location of a block, to the plurality of memories included in the blocks.

Abstract: The image sensor includes a pixel array including a plurality of unit pixels each including a single transistor and a photodiode connected to a body of the single transistor, a row driver block configured to enable one of a plurality of rows in the pixel array to enter a readout mode, and a readout block configured to sense and amplify a pixel signal output from each of a plurality of unit pixels included in the row that has entered the readout mode.

Abstract: A method for evaluation of target media parameters using visible through near infrared light is disclosed. The apparatus comprises a light source, illuminator/collector, optional illumination wavelength selector, optional light gating processor, imager, detected wavelength selector, controller, analyzer and display unit. The apparatus illuminates an in situ target. The sample absorbs some light while a large fraction of the light is diffusely scattered within the sample and some light exits the sample and may be detected in an imaging fashion using wavelength selection and an optical imaging system. The method extends the dynamic range of the optical imager by extracting additional information from the detected light that is used to provide reconstructed contrast of smaller concentrations of chromophore.