To implement a single-chip ultrasonic imaging solution, on-chip signal processing may be employed in the receive signal path to reduce data bandwidth and an output data module may be used to move data for all received channels off-chip as a digital data stream. The digitization of received signals on-chip allows advanced digital signal processing to be performed on-chip, and thus permits the full integration of an entire ultrasonic imaging system on a single semiconductor substrate. The on-chip digitization of received signals also enables the on-chip integration of ultrasound processing and/or pre-processing to reduce the burden on off-chip computing. Data compression architectures are disclosed to facilitate the transfer of data off-chip as a digital data stream in accordance with the bandwidth requirements of standard commercially-available output interfaces.

A sensor system may be used to measure characteristics of an object in a wellbore. The sensor system may include an ultrasonic transducer that generates an ultrasonic wave in a medium of the wellbore and detects a reflection signal of the ultrasonic wave off the object in the wellbore. The sensor system may also include a processing device and a memory device in which instructions are stored. The memory may include instructions that cause the processing device to receive the reflection signal from the ultrasonic transducer, and to truncate and preprocess the reflection signal to generate a truncated reflection signal. The instructions may also cause the processing device to apply time gain compensation to the truncated reflection signal and determine an echo wavelet from the time gain compensated signal representing an echo of the ultrasonic wave off of a wall of the wellbore.

An ultrasound imaging system according to the present disclosure may include an ultrasound probe, a display unit, and a processor configured to receive source image data having a first dynamic range, wherein the source image data comprises log compressed echo intensity values based on the ultrasound echoes detected by the ultrasound probe, generate a histogram of at least a portion of source image data, generate a cumulative density function for the histogram, receive an indication of at least two points on the cumulative density function (CDF), and cause the display unit to display an ultrasound image representative of the source image data displayed in accordance with the second dynamic range.

Systems and methods are disclosed for an ultrasound system. In various embodiments, a system is configured to receive echo data corresponding to a detection of an echo of a pulse signal, generate a set of transformations based on the echo data, and generate a set of point estimates for a frequency dependent filtering coefficient of a spectral response. The system is further configured to extract a set of attenuation coefficients based on the set of point estimates for the frequency dependent filtering coefficient and generate image data for the material of interest based on the set of attenuation coefficients.

A medical diagnostic imaging system and method for adjusting image gain compensation when changing from a first imaging state to a second imaging state, where a first image power value is determined from an image acquired in a first imaging state with a first image gain compensation, a second image power value is determined from an image acquired in a second imaging state with an initial second image gain compensation, an image power change value is determined from the first image power value and the second image power value, and an adjusted second image gain compensation calculated from the initial second image gain compensation and the image power change value.

An ultrasound circuit comprising a trans-impedance amplifier (TIA) with built-in time gain compensation functionality is described. The TIA is coupled to an ultrasonic transducer to amplify an electrical signal generated by the ultrasonic transducer in response to receiving an ultrasound signal. The TIA is, in some cases, followed by further analog and digital processing circuitry.

Certain embodiments include an apparatus, system, or method for time-gain compensation control of an ultrasound system. A computer-implemented method can include providing a tactile gain control comprising a near, middle, and far gain control. The middle gain control can be configured for two-dimensional range adjustment of depth and gain. The computer-implemented method can also include adjust at least one of the near, middle, or far gain control. In addition, the computer-implemented method can include displaying an ultrasound image based on at least one of the adjusted near, middle, or far gain control.

To provide a probe including a TGC circuit therein. The probe includes a plurality of receive circuits. Each receive circuit includes: an ultrasound transducer; a transmit/receive switch; a variable attenuator; a first capacitor; and an amplifier. The ultrasound transducer converts the receive signal into a ground level electric signal and outputs the ground level electric signal as a first output signal. The transmit/receive switch is connected to a first signal line, and switches depending on whether to output the first output signal output from the ultrasound transducer to the first signal line. The variable attenuator includes a control terminal and two terminals, and changes a resistance value between the two terminals other than the control terminal based on a control signal input to the control terminal. The amplifier has an input terminal connected to the first capacitor and includes at least an amplifier circuit configured to amplify an electric signal of the first signal line and output the amplified electric signal to a second signal line. In the variable attenuator, one of the two terminals other than the control terminal is connected to the first signal line, and the other terminal is connected to the ground via a second capacitor different from the first capacitor.

An ultrasound device, including a profile generator, an encoder configured to receive a profile signal from the profile generator, and an attenuator configured to receive a signal representing an output of an ultrasound sensor and coupled to the encoder to receive a control signal from the encoder, the attenuator including a plurality of attenuator stages, the attenuator configured to produce an output signal that is an attenuated version of the input signal.

An ultrasound diagnosis apparatus includes: a hardware processor which performs control of causing a display to display an ultrasound image subjected to attenuation correction, based on a received signal and setting of the attenuation correction, the attenuation correction correcting strength of the received signal lowered due to attenuation of ultrasound waves inside a subject based on a correction amount according to a reflection depth of the ultrasound waves inside the subject; and an input receiver which receives an input operation that designates an adjustment amount, wherein the hardware processor changes the setting of the attenuation correction based on the adjustment amount, and in the changing the setting of the attenuation correction, sets the correction amount, for each of different reflection depths, to an amount according to a product of the adjustment amount and a predetermined weighting factor, the predetermined weighting factor being set correspondingly to each of the reflection depths.